CN103790864A - Fan - Google Patents

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Publication number
CN103790864A
CN103790864A CN201210427485.3A CN201210427485A CN103790864A CN 103790864 A CN103790864 A CN 103790864A CN 201210427485 A CN201210427485 A CN 201210427485A CN 103790864 A CN103790864 A CN 103790864A
Authority
CN
China
Prior art keywords
shell
fan
flabellum
distinguished
admirable
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.)
Pending
Application number
CN201210427485.3A
Other languages
Chinese (zh)
Inventor
林玮义
王信义
郑懿伦
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.)
Inventec Pudong Technology Corp
Inventec Corp
Original Assignee
Inventec Pudong Technology Corp
Inventec Corp
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 Inventec Pudong Technology Corp, Inventec Corp filed Critical Inventec Pudong Technology Corp
Priority to CN201210427485.3A priority Critical patent/CN103790864A/en
Priority to US13/844,912 priority patent/US20140119906A1/en
Publication of CN103790864A publication Critical patent/CN103790864A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/424—Double entry casings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A fan comprises a housing and blades. The housing is provided with at least one air inlet and an air outlet. The blades are arranged in the housing, an air flow compression region is arranged in the housing, the housing located in the air flow compression region is provided with an auxiliary air inlet. Therefore, air flows of the fan are increased.

Description

Fan
Technical field
The present invention relates to a kind of fan, particularly a kind of fan that increases exhaust air rate.
Background technique
Along with the continuous progress of science and technology, modern's daily living article, all towards digitizing and Informatization Development.Take mobile operation device as example, as mobile computer, Tablet PC etc., have advantages of that person easy to use carries, to make user can not limit freely using of occasion.
In addition, inner can the utilization of general mobile operation device arranges a radiating fin group and a fan, so that the heat energy that mobile operation device was produced is removed.But because the usefulness of mobile operation device constantly promotes, therefore the heat energy that therefore mobile operation device produces in calculation process process also increase.To this, be generally to utilize the power that increases the heat diffusion area of radiating fin and increase fan, to promote the speed of the heat energy that removes mobile operation device.
And for the slimming development in response to mobile operation device, the inner set fan of mobile operation device is generally to adopt the thinner fan of volume.The housing of general fan comprises a relative upper shell and a lower shell body, and is connected the side body between upper shell and lower shell body.One exhaust outlet of fan is to be positioned at its side body, and a wind inlet of fan is located thereon housing or lower shell body.
But, because mobile operation device is because of the event of slimming, make the gap relative decrease between the shell of mobile operation device and the upper shell of fan and lower shell body.Thus, will reduce the distinguished and admirable flow of the wind inlet that flows into fan, and then the exhaust air rate of fan is reduced relatively, make the system radiating Efficiency Decreasing of mobile operation device.
Summary of the invention
The object of the present invention is to provide a kind of fan, use the exhaust air rate that increases fan, with the system radiating efficiency of lifting mobile arithmetic unit.
The disclosed fan of the present invention, comprises a shell and a flabellum.Shell has at least one wind inlet and an exhaust outlet.Flabellum is arranged in shell, has a distinguished and admirable compressing area in its housing, and the distinguished and admirable pressure in distinguished and admirable compressing area is less than the atmospheric pressure outside shell, and the shell that is positioned at distinguished and admirable compressing area is provided with an auxiliary intake grill.
The disclosed fan of the present invention, comprises a shell and a flabellum.Shell comprises a upper shell, a lower shell body and the side body between upper shell and lower shell body.Upper shell or lower shell body have at least one wind inlet, and side body has an exhaust outlet.Flabellum is arranged in shell.The axle center part definition that wherein side body approaches flabellum most has one first point, and side body has a second point away from the definition of exhaust outlet part.First line to the axle center of flabellum and second point to the line structure in the axle center of flabellum have angle, and the inner space that is positioned at the shell of angular range is defined as a distinguished and admirable compressing area, and the shell that is positioned at distinguished and admirable compressing area is provided with an auxiliary intake grill.
According to the disclosed fan of the invention described above, the gap between the shell of mobile operation device and the upper shell of fan and lower shell body is little, auxiliary intake grill is set to have the characteristic of drainage in the shell of distinguished and admirable compressing area.So, in the time that flabellum turns round, ambient air just can be via auxiliary intake grill in directed inflow fan, to promote the overall exhaust air rate of fan.By this, to promote the system radiating efficiency of the mobile operation device that uses this fan.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the structural perspective of fan according to an embodiment of the invention;
Fig. 2 is the structure plan view of fan according to an embodiment of the invention;
Fig. 3 is the structural perspective of fan according to another embodiment of the present invention;
Fig. 4 is the structural perspective of fan according to yet another embodiment of the invention.
Wherein, reference character
10 fans
10a fan
10b fan
11 shells
111 upper shells
1111 wind inlets
112 lower shell bodys
1121 wind inlets
113 side bodies
1131 exhaust outlets
1132 recesses
1133 arcs
1134 straightways
1135 straightways
114 containing spaces
1141 distinguished and admirable compressing areas
115 auxiliary intake grills
12 flabellums
121 axle center
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and working principle are described in detail:
Please refer to Fig. 1 and the Fig. 2 that arranges in pairs or groups, Fig. 1 is the structural perspective of fan according to an embodiment of the invention, and Fig. 2 is the structure plan view of fan according to an embodiment of the invention.
The fan 10 of the present embodiment is the radiation system that can apply to a mobile operation device, to promote the system radiating efficiency of moving arithmetic unit.Wherein, mobile operation device can be but be not limited to a mobile computer or a tablet PC.Fan 10 is for example centrifugal fan or other suitable fans, does not impose any restrictions herein at this.
Fan 10 comprises a shell 11 and a flabellum 12.
Shell 11 comprises a upper shell 111, a lower shell body 112 and the side body 113 between upper shell 111 and lower shell body 112.Furthermore, upper shell 111 and lower shell body 112 are that opposition arranges and keeps a distance, and side body 113 is to be connected between upper shell 111 and lower shell body 112.Upper shell 111, lower shell body 112 and side body 113 common formation one containing spaces 114.In addition, in the present embodiment, upper shell 111 has a wind inlet 1111, and lower shell body 112 has a wind inlet 1121, and side body 113 has an exhaust outlet 1131.Should be noted, the quantity of above-mentioned wind inlet 1111,1121 is non-in order to limit the present invention.For instance, in other embodiments, also only upper shell 111 has wind inlet 1111 and lower shell body 112 is not had a wind inlet 1121, or only lower shell body 112 has wind inlet 1121 and upper shell 111 is not had a wind inlet 1111.
Flabellum 12 is rotatably arranged in shell 11.Furthermore, flabellum 12 is rotatably arranged in the containing space 114 being jointly made up of upper shell 111, lower shell body 112 and side body 113.
In addition, in the present embodiment, side body 113 more comprises an arc 1133 and is connected in two straightways 1134,1135 of arc 1133 opposite ends, and exhaust outlet 1131 is between two straightways 1134,1135.Specifically, arc 1133 is around flabellum 12, and arc 1133 to the distance in axle center 121 is to increase gradually along clockwise direction.Straightway 1135 is connected in one end of arc 1133 (diagram right-hand member), and straightway 1135 is tangent direction extensions of the one end (diagram right-hand member) along arc 1133.In addition, straightway 1134 is to be extended by the other end of arc 1133 (diagram left end), and straightway 1134 and arc 1133 are to cave inward and press from both sides an angle, make straightway 1134 and arc 1133 joining places jointly form a recess 1132 of side body 113.
Wherein, the axle center 121 places definition that side body 113 approaches flabellum 12 most has one first P1, and first P1 is positioned at recess 1132.Side body 113 has a second point P2 away from exhaust outlet 1131 part definition, and second point P2 is positioned at the stage casing of arc 1133.In addition, first P1 forms an angle theta to line L1 and the second point P2 in the axle center 121 of flabellum 12 to the line L2 in the axle center 121 of flabellum 12, and angle theta can be but be not limited to an obtuse angle.The inner space that is positioned at the shell 11 of angle theta scope is defined as a distinguished and admirable compressing area 1141.In more detail, shell 11 inner spaces in the scope being contained along line L1 and the outward extending fan type of line L2 region by point centered by axle center 121 are distinguished and admirable compressing areas 1141.
In addition, position is provided with an auxiliary intake grill 115 on the shell 11 of distinguished and admirable compressing area 1141.In the present embodiment, auxiliary intake grill 115 is that position is on side body 113 (as shown in Figure 1).
Gap in fan 10 is arranged at the frame (not illustrating) of mobile operation device and between the frame (not illustrating) of mobile operation device and upper shell 111 and the lower shell body 112 of fan 10 hour, because air-flow has by the larger region of air pressure towards the air pressure trend mobile compared with zonule, make the set auxiliary intake grill 115 of shell 11 in distinguished and admirable compressing area 1141 there is the characteristic of drainage.Therefore in the time that flabellum 12 turns round, ambient air just can be via the auxiliary intake grill 115 at side body 113 places in directed inflow fan 10, to promote the overall exhaust air rate of fan 10.By this, to promote the system radiating efficiency of the mobile operation device that uses this fan 10.
In addition, measure according to actual experiment, if it is 2.03CFM (Cubic Feet Per Minute that the exhaust air rate of the existing fan of auxiliary intake grill is not set, be per minutely can pass through the volume of how many cubic feet of fluids), the exhaust air rate of setting up the fan after auxiliary intake grill 115 is 2.41CFM.From upper data, the distinguished and admirable flow of the more existing fan of distinguished and admirable flow of the fan 10 that auxiliary intake grill 115 is set of the present embodiment increases by 18.7%, the system radiating efficiency that therefore fan 10 of the present embodiment really can lifting mobile arithmetic unit.
Please then with reference to Fig. 3, Fig. 3 is the structural perspective of fan according to another embodiment of the present invention.The present embodiment is similar to Fig. 1 embodiment, therefore only for the explanation of difference place.
The auxiliary intake grill 115 of the fan 10a of the present embodiment is upper shell 111 places that are positioned at the shell 11 of distinguished and admirable compressing area 1141.Therefore,, in the time that flabellum 12 turns round, ambient air can be via the auxiliary intake grill 115 at upper shell 111 places in directed inflow fan 10a, to promote the overall exhaust air rate of fan 10a.
Please, then with reference to Fig. 4, Fig. 4 is the structural perspective of fan according to yet another embodiment of the invention.The present embodiment is similar to Fig. 1 embodiment, therefore only for the explanation of difference place.
The auxiliary intake grill 115 of the fan 10b of the present embodiment is lower shell body 112 places that are positioned at the shell 11 of distinguished and admirable compressing area 1141.Therefore,, in the time that flabellum 12 turns round, ambient air can be via the auxiliary intake grill 115 at upper shell 111 places in directed inflow fan 10b, to promote the overall exhaust air rate of fan 10b.
According to the fan of above-described embodiment, be that the gap between the shell of mobile operation device and the upper shell of fan and lower shell body is little, auxiliary intake grill is set to there is the characteristic of drainage in the shell of distinguished and admirable compressing area.So, in the time that flabellum turns round, ambient air just can be via auxiliary intake grill in directed inflow fan, to promote the overall exhaust air rate of fan.By this, to promote the system radiating efficiency of the mobile operation device that uses this fan.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims (10)

1. a fan, is characterized in that, comprises:
One shell, has at least one wind inlet and an exhaust outlet; And
One flabellum, is arranged in this shell, wherein in this shell, has a distinguished and admirable compressing area, and the distinguished and admirable pressure in this distinguished and admirable compressing area is less than the atmospheric pressure outside this shell, and this shell that is positioned at this distinguished and admirable compressing area is provided with an auxiliary intake grill.
2. fan according to claim 1, it is characterized in that, this shell comprises a upper shell, a lower shell body and the side body between this upper shell and this lower shell body, and this upper shell and this lower shell body have respectively this wind inlet, and this exhaust outlet is positioned at this side body.
3. fan according to claim 1, it is characterized in that, this shell comprises a upper shell, a lower shell body and the side body between this upper shell and this lower shell body, the axle center part definition that this side body approaches this flabellum most has one first point, this side body has a second point away from this exhaust outlet part definition, this first line to the axle center of this flabellum and this second point to the line structure in the axle center of this flabellum has angle, and the inner space that is positioned at this shell of this angular range is defined as this distinguished and admirable compressing area.
4. fan according to claim 3, is characterized in that, this auxiliary intake grill be positioned at this upper shell, this lower shell body and this side body at least one of them.
5. fan according to claim 3, is characterized in that, this side body comprises an arc and is connected in two straightways of this arc opposite end, and this arc is around this flabellum, and this exhaust outlet is between this two straightway.
6. a fan, is characterized in that, comprises:
One shell, comprises a upper shell, a lower shell body and the side body between this upper shell and this lower shell body, and this upper shell or this lower shell body have at least one wind inlet, and this side body has an exhaust outlet; And
One flabellum, be arranged in this shell, the axle center part definition that wherein this side body approaches this flabellum most has one first point, this side body has a second point away from this exhaust outlet part definition, this first line to the axle center of this flabellum and this second point to the line structure in the axle center of this flabellum has angle, and the inner space that is positioned at this shell of this angular range is defined as a distinguished and admirable compressing area, this shell that is positioned at this distinguished and admirable compressing area is provided with an auxiliary intake grill.
7. fan according to claim 6, is characterized in that, this upper shell and this lower shell body have respectively this wind inlet.
8. fan according to claim 6, is characterized in that, the distinguished and admirable pressure in this distinguished and admirable compressing area is less than the atmospheric pressure outside this shell.
9. fan according to claim 6, is characterized in that, this auxiliary intake grill be positioned at this upper shell, this lower shell body and this side body at least one of them.
10. fan according to claim 6, is characterized in that, this side body comprises an arc and is connected in two straightways of this arc opposite end, and this arc is around this flabellum, and this exhaust outlet is between this two straightway.
CN201210427485.3A 2012-10-31 2012-10-31 Fan Pending CN103790864A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210427485.3A CN103790864A (en) 2012-10-31 2012-10-31 Fan
US13/844,912 US20140119906A1 (en) 2012-10-31 2013-03-16 Fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210427485.3A CN103790864A (en) 2012-10-31 2012-10-31 Fan

Publications (1)

Publication Number Publication Date
CN103790864A true CN103790864A (en) 2014-05-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210427485.3A Pending CN103790864A (en) 2012-10-31 2012-10-31 Fan

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US (1) US20140119906A1 (en)
CN (1) CN103790864A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180066664A1 (en) * 2014-04-18 2018-03-08 Delta Electronics, Inc. Thin cooling fan
JP2016018217A (en) * 2014-07-04 2016-02-01 日本電産株式会社 Heat module
CN114370429B (en) * 2021-12-31 2023-05-02 联想(北京)有限公司 Fan with fan body

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005214107A (en) * 2004-01-30 2005-08-11 Sony Corp Fan device
CN101713418A (en) * 2008-10-08 2010-05-26 和硕联合科技股份有限公司 Centrifugal type fan
CN102135117A (en) * 2010-01-23 2011-07-27 富准精密工业(深圳)有限公司 Centrifugal fan
US20120148393A1 (en) * 2010-12-14 2012-06-14 Delta Electronics, Inc. Centrifugal fan
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI262991B (en) * 2004-08-02 2006-10-01 Sunonwealth Electr Mach Ind Co Centrifugal blower having auxiliary radial inlets
TWI537481B (en) * 2012-10-08 2016-06-11 鴻準精密工業股份有限公司 Centrifugal fan

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005214107A (en) * 2004-01-30 2005-08-11 Sony Corp Fan device
CN101713418A (en) * 2008-10-08 2010-05-26 和硕联合科技股份有限公司 Centrifugal type fan
CN102135117A (en) * 2010-01-23 2011-07-27 富准精密工业(深圳)有限公司 Centrifugal fan
US20120148393A1 (en) * 2010-12-14 2012-06-14 Delta Electronics, Inc. Centrifugal fan
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

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Application publication date: 20140514