CN203685687U - Cooling fan and electronic device - Google Patents

Cooling fan and electronic device Download PDF

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Publication number
CN203685687U
CN203685687U CN201320851249.4U CN201320851249U CN203685687U CN 203685687 U CN203685687 U CN 203685687U CN 201320851249 U CN201320851249 U CN 201320851249U CN 203685687 U CN203685687 U CN 203685687U
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CN
China
Prior art keywords
dust
radiation fan
storage chamber
dirt hole
cooling fan
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CN201320851249.4U
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Chinese (zh)
Inventor
贾自周
那志刚
孙英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lenovo Beijing Ltd
Original Assignee
Lenovo Beijing Ltd
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 Lenovo Beijing Ltd filed Critical Lenovo Beijing Ltd
Priority to CN201320851249.4U priority Critical patent/CN203685687U/en
Application granted granted Critical
Publication of CN203685687U publication Critical patent/CN203685687U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model discloses a cooling fan and an electronic device. The cooling fan is used in the electronic device. The cooling fan comprises blades and an outer casing which packages the blades; the outer casing comprises a base plate, lateral wall and a dust storage chamber; the lateral wall which is in a cylinder shape or a partial cylinder shape surrounds the blades and is connected to the base plate; dust passing holes are formed in the lateral wall; the dust storage chamber which is formed in the external surface of the lateral wall covers the dust passing holes of the lateral wall; the dust storage chamber is communicated with the interior of the outer casing through the dust passing holes. According to the cooling fan, dust generated from the cooling fan is stored inside the dust storage chamber which is used for storing dust, dust accumulated on the cooling blades is reduced, and accordingly the cooling efficiency is improved and further the cleaning frequency of the cooling fan is reduced and user convenience for using is improved due to the fact that the dust accumulated on the cooling blades is reduced.

Description

Radiation fan and electronic equipment
Technical field
The utility model relates to a kind of radiation fan, particularly relates to a kind of radiation fan and electronic equipment.
Background technique
The electronic parts and components of computer inside conventionally can produce a large amount of heats in the time of work, electronic parts and components temperature are raise, the normal work of temperatures involved electronic parts and components.Therefore, heat dissipation equipment must be installed, to guarantee that electronic parts and components normally work at suitable temperature.
Prior art provides a kind of radiation fan, is used to the cooling electronic component of computer inside.As shown in Figure 1, the runner of this radiation fan adopts and gradually opens runner, and the radiating fin of fan, at middle part, does not have special processing on whirlpool tongue and runner.The inwall of shell 1 is level and smooth, easily makes dust dirt amass on radiator shutter, causes the accumulation of dust, thereby affects radiating efficiency.
As can be seen here, above-mentioned existing radiation fan, in structure and use, obviously still exists because dust is accumulated in the low defect of radiating efficiency causing on radiator shutter, and is urgently further improved.Actively research and innovation in addition of the design people, to founding a kind of radiation fan and shell thereof of new structure, makes it have more practicability.
Model utility content
Main purpose of the present utility model is, a kind of radiation fan of new structure is provided, and technical problem to be solved is that the dust-storage chamber that holds dust is provided on housing, thereby reduces the laying dust on radiator shutter, improve the radiating efficiency of radiation fan, thereby be more suitable for practicality.
Another object of the present utility model is, a kind of electronic equipment is provided, and technical problem to be solved is the laying dust reducing on radiator shutter, improves the radiating efficiency of radiation fan, thereby is more suitable for practicality.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.
According to a kind of radiation fan that the utility model proposes, for electronic equipment, described radiation fan comprises: blade and encapsulate the shell of described blade, and state shell and comprise:
Base plate;
Sidewall, is cylinder or part is cylindric, is surrounded on described blade, and is connected in described base plate, offers logical dirt hole on described sidewall; And
Dust-storage chamber, is arranged on the outer surface of described sidewall, and covers on the logical dirt hole being located on described sidewall; This dust-storage chamber keeps being communicated with by logical dirt hole with the inside of described shell.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Preferably, aforesaid radiation fan, the base area of described dust-storage chamber is greater than the area in described logical dirt hole.
Preferably, aforesaid radiation fan, described logical dirt hole be shaped as rectangle.
Preferably, aforesaid radiation fan, described shell is formed in one.
Preferably, aforesaid radiation fan, the quantity in described logical dirt hole is two or more, the quantity of described dust-storage chamber is identical with the quantity in described logical dirt hole, and corresponding lid is located on each logical dirt hole respectively, preferably described logical dirt hole is evenly arranged in described sidewall.
Preferably, aforesaid radiation fan, the material of described shell is metallic material or macromolecular material.
The utility model also proposes a kind of electronic equipment, and it comprises the radiation fan that at least one is above-mentioned.Preferably, described electronic equipment is desktop computer, notebook computer, server, display device, router or television set.
By technique scheme, the utility model radiation fan and electronic equipment at least have following advantages:
Owing to being provided with logical dirt hole on the side plate of radiation fan; and be covered with dust-storage chamber outside logical dirt hole; the dust granule being carried in the blade rotary process of fan; can be due to the effect of centrifugal force outwards motion gradually; in the time moving to position, logical dirt hole; dust granule can enter into dust-storage chamber; and in dust-storage chamber, there is no strong air-flow; dust granule can be deposited in dust-storage chamber; thereby can reduce the dust in fan runner; and then dust accretion on reduction blade, and then improve the radiating efficiency of radiation fan.Meanwhile, can also reduce the amount of dust of radiation fan output, be conducive to the spatter property of the electronic equipment that keeps radiation fan and this radiation fan is installed, also improve the radiating efficiency of this electronic equipment simultaneously.Further, because the laying dust on radiator shutter reduces, reduced the frequency of cleaning radiation fan, also for user provides easy-to-use.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and coordinate accompanying drawing to be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of the shell of prior art radiation fan;
Fig. 2 is the structural representation of the utility model embodiment radiation fan;
Fig. 3 is the structural representation of another embodiment's radiation fan of the utility model;
Fig. 4 is the structural representation of the another embodiment's radiation fan of the utility model.
Embodiment
Technological means and effect of taking for reaching predetermined model utility object for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to portable equipment and its embodiment of shell, structure, feature and effect thereof according to the utility model proposes, be described in detail as follows.In following explanation, the not necessarily same embodiment that different " embodiments " or " embodiment " refer to.In addition, special characteristic, structure or the feature in one or more embodiment can be combined by any suitable form.
As shown in Figure 2, a kind of radiation fan that embodiment of the present utility model proposes, for electronic equipment, described radiation fan comprises: blade and encapsulate the shell of described blade.Described shell 1 provides installing space for blade (not shown), and blade is provided support and protective action.Described shell 1 comprises and at least comprises base plate 11, sidewall 12 and dust-storage chamber 2.
Described base plate 11 is tabular, offers one or more through hole, for circulation of air on it.Described base plate can adopt corresponding scheme of the prior art to realize.
Described sidewall 12, for being cylinder or part is cylindric, being surrounded on described blade, and being connected in described base plate 11, offers logical dirt hole 13 on described sidewall.Described logical dirt hole 13 is preferably arranged on the larger position, fan runner interior turbulent flow place of the sidewall 12 of shell 1, and in the time that radiation fan is worked, the dust carrying in the wind that blade rotary forms can move to described position, logical dirt hole more.The shape in described logical dirt hole 13 can polygonal, circle, ellipse can be also triangle.
Described dust-storage chamber 2, is arranged on the outer surface of described sidewall 12, and covers on the logical dirt hole 13 being located on described sidewall; This dust-storage chamber 2 keeps being communicated with by logical dirt hole 13 with the inside of described shell 1.Due to when the fan work, the dust granule carrying in wind can move to described logical dirt hole and also enters in described dust-storage chamber and be deposited in described dust-storage chamber 2.Smooth outer casing inner wall cannot accumulate dust compared to existing technology, and dust major part is all deposited on radiator shutter, and the radiation fan that the present embodiment provides can effectively reduce the accumulation of dust on radiator shutter, thereby entirety improves heat dispersion.Preferably, the overall structure of described dust-storage chamber 2 is similar to the structure of snail tongue (effect of snail tongue is to prevent that portion gas from circulating in the enclosure), is similar to the structure of cuboid.
Preferably, the base area of described dust-storage chamber is greater than the area in described logical dirt hole, and namely, described dust-storage chamber presents the shape of the large tripe of osculum in shape, such one is to hold more dust, the 2nd, can prevent that the dust in dust-storage chamber from getting back to the inside of described shell again.Preferably, described logical dirt hole be shaped as rectangle, present rectangular shape and can make full use of the shape of sidewall 12, on the sidewall circumference of trying one's best short, obtain the logical dirt hole 13 of trying one's best large, be conducive to dust and enter in dust-storage chamber 2.Described shell adopts one-body molded mode to make, for example, adopt sheetmetal to be stamped to form, or adopts the macromolecular materials such as plastics injection molded.
Further, the position of described dust-storage chamber 2 does not limit in the present embodiment, and the setting that can as the case may be and match with the position of other devices in computer, as shown in Figure 3, is the another kind of set-up mode of this dust-storage chamber 2.Usually, the selection principle of the setting position of this dust-storage chamber 2 is: utilize the larger region of turbulent flow in fan runner, by these region releases of pressure, the dust that radiator shutter brings is focused in the dust-storage chamber 2 expanding at turbulent flow place.
Further, as shown in Figure 4, in order to increase storage dirt effect, thereby further improve radiating efficiency, can increase the quantity of the dust-storage chamber 2 of setting.Be that described dust-storage chamber 2 is at least two, and described dust-storage chamber 2 along the inwall of described shell 1 even or non-homogeneous arranging.
In sum, the radiation fan that the present embodiment provides and shell thereof, the dust that radiation fan is produced is accumulated in the dust-storage chamber for storing up dirt more, has reduced the laying dust on radiator shutter, thereby has improved radiating efficiency; Further, because the laying dust on radiator shutter reduces, reduced the frequency of cleaning radiation fan, also for user provides easy-to-use.
Another embodiment of the present utility model also proposes a kind of electronic equipment, and it at least comprises an above-mentioned radiation fan.Preferably, described electronic equipment is desktop computer, notebook computer, server, display device, router or television set.Preferably, described electronic equipment can also comprise the radiation fan described in two or more above-described embodiment, take desktop computer as example, in its main frame, a radiation fan described in above-described embodiment can be installed on cabinet, a radiation fan described in above-described embodiment can also be installed on power supply, a radiation fan described in above-described embodiment is set on central processing unit (CPU), a radiation fan described in above-described embodiment even can also be set on display card, thereby can provide good heat dispersion for this desktop computer.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (8)

1. a radiation fan, for electronic equipment, described radiation fan comprises: blade and encapsulate the shell of described blade, is characterized in that: described shell comprises:
Base plate;
Sidewall, is cylinder or part is cylindric, is surrounded on described blade, and is connected in described base plate, offers logical dirt hole on described sidewall; And
Dust-storage chamber, is arranged on the outer surface of described sidewall, and covers on the logical dirt hole being located on described sidewall; This dust-storage chamber keeps being communicated with by logical dirt hole with the inside of described shell.
2. radiation fan according to claim 1, is characterized in that, the base area of described dust-storage chamber is greater than the area in described logical dirt hole.
3. radiation fan according to claim 2, is characterized in that, described logical dirt hole be shaped as rectangle.
4. according to the radiation fan described in claim 1-3 any one, it is characterized in that, described shell is formed in one.
5. radiation fan according to claim 4, is characterized in that, the quantity in described logical dirt hole is two or more, and the quantity of described dust-storage chamber is identical with the quantity in described logical dirt hole, and corresponding lid is located on each logical dirt hole respectively.
6. radiation fan according to claim 5, is characterized in that, the material of described shell is metallic material or macromolecular material.
7. an electronic equipment, is characterized in that, comprises at least one radiation fan as described in claim 1-6 any one.
8. electronic equipment according to claim 7, is characterized in that, described electronic equipment is desktop computer, notebook computer, server, display device, router or television set.
CN201320851249.4U 2013-12-20 2013-12-20 Cooling fan and electronic device Expired - Lifetime CN203685687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320851249.4U CN203685687U (en) 2013-12-20 2013-12-20 Cooling fan and electronic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320851249.4U CN203685687U (en) 2013-12-20 2013-12-20 Cooling fan and electronic device

Publications (1)

Publication Number Publication Date
CN203685687U true CN203685687U (en) 2014-07-02

Family

ID=51007595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320851249.4U Expired - Lifetime CN203685687U (en) 2013-12-20 2013-12-20 Cooling fan and electronic device

Country Status (1)

Country Link
CN (1) CN203685687U (en)

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CX01 Expiry of patent term

Granted publication date: 20140702

CX01 Expiry of patent term