CN202900775U - Centrifugal heat radiation fan - Google Patents

Centrifugal heat radiation fan Download PDF

Info

Publication number
CN202900775U
CN202900775U CN 201220505256 CN201220505256U CN202900775U CN 202900775 U CN202900775 U CN 202900775U CN 201220505256 CN201220505256 CN 201220505256 CN 201220505256 U CN201220505256 U CN 201220505256U CN 202900775 U CN202900775 U CN 202900775U
Authority
CN
China
Prior art keywords
heat radiation
fan
centrifugal heat
fan frame
cover plate
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.)
Withdrawn - After Issue
Application number
CN 201220505256
Other languages
Chinese (zh)
Inventor
洪银树
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.)
KUNSHAN GUANGXING ELECTRONICS CO Ltd
Original Assignee
KUNSHAN GUANGXING ELECTRONICS CO 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 KUNSHAN GUANGXING ELECTRONICS CO Ltd filed Critical KUNSHAN GUANGXING ELECTRONICS CO Ltd
Priority to CN 201220505256 priority Critical patent/CN202900775U/en
Application granted granted Critical
Publication of CN202900775U publication Critical patent/CN202900775U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A centrifugal heat radiation fan comprises a fan frame, a motor, an impeller and at least one height positioning member. The fan frame comprises a substrate part and a cover plate part. At least one side wall part is provided between the substrate part and the cover plate part. The cover plate part is provided with an air inlet. The side wall part is provided with an air outlet. The motor is equipped in the fan frame. The impeller is rotatably combined with the motor. At least one height positioning member is provided at the periphery of the air inlet of the fan frame. Each height positioning member is provided with a combination end and an abutting end which are opposite with each other. The combination end is combined with the cover plate part of the fan frame. The abutting end is separated from the cover plate part. Therefore, introduction of enough air current by the centrifugal heat radiation fan is ensured, thereby generating a better heat radiation effect.

Description

Centrifugal heat radiation fan
Technical field
The utility model is about a kind of heat-dissipating fan, especially a kind ofly can import air-flow from the air inlet through hollow shaft mouth, goes out the centrifugal heat radiation fan of air-flow via exhaust outlet lateral guide radially again.
Background technique
Existing heat-dissipating fan roughly comprises two kinds of axial flow type heat elimination fan and centrifugal heat radiation fans.Wherein axial flow type heat elimination fan has respectively a relative air inlet through hollow shaft mouth and an Axial-running Out air port in the axial direction, in order to import air-flow via this air inlet through hollow shaft mouth, derives air-flow via this Axial-running Out air port again, and then heat sinking function is provided; Again, centrifugal heat radiation fan then is to have in the axial direction an air inlet through hollow shaft mouth, and has diametrically an exhaust outlet radially, in order to import air-flow via this air inlet through hollow shaft mouth, again via this radially the exhaust outlet lateral guide go out air-flow, and have heat sinking function equally.
Yet, with axial flow type heat elimination fan, but since only air-guiding dispel the heat towards the axial direction air-out, and can't dispel the heat towards the radial direction air-out by air-guiding; Therefore, when axial flow type heat elimination fan is applied to various electronic product, must be assembled in the top (such as the end face of the central processing unit (CPU) of personal computer) of thermal source, cause the axial height of this electronic product to reduce.
Again, with centrifugal heat radiation fan, then can via this radially the exhaust outlet lateral guide go out air-flow, so need not be assembled in the top of thermal source, in order to be applied to the limited various small-sized electronic product in inner space; Yet, when the user is installed on electronic product inside with centrifugal heat radiation fan, because small-sized electronic product inner space limited, therefore, following 2 problems of may deriving:
One, after this centrifugal heat radiation fan installation, when too small such as the distance between the air inlet through hollow shaft mouth of this centrifugal heat radiation fan and the madial wall of electronic product (or associated components of electronic product inside), to cause easily this air inlet through hollow shaft mouth can't effectively import enough air-flows and produce noise, and then affect integral heat sink effect and the working life of this centrifugal heat radiation fan.
Two, after this centrifugal heat radiation fan installation, when excessive such as the distance between the air inlet through hollow shaft mouth of this centrifugal heat radiation fan and the madial wall of electronic product (or associated components of electronic product inside), although can guarantee that this air inlet through hollow shaft mouth has sufficient space and imports air-flow, yet, but relatively easily occupy the inner too much space of electronic product, cause this electronic product to be difficult for towards microminiaturized direction research and development design.
The model utility content
The utility model main purpose provides a kind of centrifugal heat radiation fan, in order to guarantee that centrifugal heat radiation fan after being installed on electronic product inside, still can import enough air-flows with not taking up space smoothly, so that better radiating effect to be provided.
According to the utility model centrifugal heat radiation fan, comprise a fan frame, a motor, an impeller and at least one altitude location spare.This fan frame comprises a baseplate part and a cover plate section, is provided with a side wall section between this baseplate part and this cover plate section, and this cover plate section is provided with an intake grill, and this side wall section is provided with an exhaust outlet; It is inner that this motor is arranged at this fan frame; This impeller is rotatably in conjunction with this motor; And this at least one altitude location spare is arranged at the intake grill periphery of this fan frame, and this altitude location spare has a relative binding end and a contact end, and this binding end is incorporated into the cover plate section of this fan frame, has distance between this contact end and this cover plate section.
Described fan frame has one first axial height, and this altitude location spare has one second axial height, and this second axial height accounts for 20%~80% of this first axial height; Perhaps, better 40%~60% of this first axial height that accounts for of this second axial height.
Described altitude location spare is several, and this altitude location spare is several vertical rods, and these several vertical rods are compassingly set at the intake grill periphery of this fan frame, and these several vertical rods have spacing each other, and this spacing is as the side direction wind inlet.
Described altitude location spare is at least two relative barricades, and this at least two dams setting is in the intake grill periphery of this fan frame, and this at least two barricade forms at least two breach each other, and this at least two breach is as the side direction wind inlet; Wherein the better contraposition of a wherein barricade of this at least two barricade should be fanned the exhaust outlet of frame, had this wherein barricade at least between this two barricade at least between formed two breach and this exhaust outlet.
Described several altitude location spares are at least one vertical rod or at least one barricade, and this vertical rod or dams setting are in the intake grill periphery of this fan frame.
Described altitude location spare is a ringwall, and this ringwall is arranged at the intake grill periphery of this fan frame, and this ringwall is provided with a breach, and this breach is as the side direction wind inlet; Wherein the better contraposition of this ringwall should be fanned the exhaust outlet of frame, had this ringwall between this breach and this exhaust outlet.
The beneficial effects of the utility model are that by said structure, the centrifugal heat radiation fan that the utility model is used not only can be installed on electronic product inside with not taking up space, and can import smoothly enough air-flows, so that better radiating effect to be provided.
Description of drawings
Fig. 1: the stereo appearance figure of the centrifugal heat radiation fan of the utility model preferred embodiment.
Fig. 2: the assembled sectional view of the centrifugal heat radiation fan of the utility model preferred embodiment.
Fig. 3: the stereo appearance figure of another mode of execution of the utility model centrifugal heat radiation fan.
Fig. 4: the stereo appearance figure of the another mode of execution of the utility model centrifugal heat radiation fan.
Fig. 5: the utility model centrifugal heat radiation fan is the stereo appearance figure of a mode of execution again.
[primary component symbol description]
1 fan frame
11 baseplate parts, 12 cover plate sections
121 intake grills, 122 internal surfaces
123 outer surfaces, 13 side wall sections
131 exhaust outlets
2 motors
21 axle beds, 22 coil groups
3 impellers
4 altitude location spares
4a vertical rod 4b barricade
The 4c ringwall
41 binding ends, 42 contact ends
5 electronic products
51 madial walls
H1 the first axial height H2 the second axial height.
Embodiment
For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and cooperation accompanying drawing are described in detail below:
Please refer to shown in Fig. 1 and 2, the utility model centrifugal heat radiation fan comprises a fan frame 1, a motor 2, an impeller 3 and at least one altitude location spare 4.This fan frame 1 is for can axially importing and radial guiding goes out the frame structure of air-flow; This motor 2 is incorporated into this fan frame 1 inside; This impeller 3 rotatably is incorporated into this motor 2, in order to drive this impeller 3 rotation starts by this motor 2; And this at least one altitude location spare 4 can import enough air-flows in conjunction with this fan frame 1 in order to guarantee this fan frame 1.
The utility model fan frame 1 can be various can be for this motor 2 and this impeller 3 accommodating and for air-flow with axial direction imports and radial direction derives hollow frame structure, this hollow frame structure can be the structural design of various geometrical shapies, such as polygon, circle or oval etc.; In this preferred embodiment, disclose this fan frame 1 and be tetragonal frame structure.
This fan frame 1 has one first axial height H1, in this preferred embodiment, this fan frame 1 mainly comprises a baseplate part 11 and a cover plate section 12, has a spacing between this baseplate part 11 and this cover plate section 12, for a side wall section 13 is set between this baseplate part 11 and the cover plate section 12; Wherein this baseplate part 11, cover plate section 12 and side wall section 13 combination and molding mode each other is not restricted, in the present embodiment, this side wall section 13 is outer periphery that Unitary injection formed is incorporated into this baseplate part 11, and this cover plate section 12 is a cover plate, and this cover plate is incorporated into this side wall section 13 removably.
The cover plate section 12 of this fan frame 1 is provided with an intake grill 121, and as shown in Figure 2, and this cover plate section 12 has a relative internal surface 122 and an outer surface 123 in addition, and this internal surface 122 is towards this fan frame 1 inside, and this outer surface 123 is towards this fan frame 1 outside; 13 in this side wall section is provided with an exhaust outlet 131; Whereby, consisting of the fan frame structure of a centrifugal heat radiation fan, and the setting position of this intake grill 121 and exhaust outlet 131 and quantity can cooperate different demands to change; Again, in this preferred embodiment, this first axial height H1 refers to the outer surface 123 of cover plate section 12 of this fan frame 1 to the distance of the bottom surface of this baseplate part 11, and wherein the bottom surface of this baseplate part 11 refers to that this baseplate part 11 is away from a side surface of this cover plate section 12.
The utility model motor 2 is arranged at this fan frame 1 inside, and between this baseplate part 11 and this cover plate section 12; Wherein this motor 2 is various for after these impeller 3 combinations, in order to drive the structural design of these impeller 3 rotation starts.As shown in Figure 2, in the present embodiment, this motor 2 comprises an axle bed 21 and a coil groups 22.But this axle bed 21 one or can be incorporated into removably the baseplate part 11 of this fan frame 1; This coil groups 22(can comprise such as members such as silicon steel plate, coil and insulating bushs) be arranged at this axle bed 21 outer peripherys, in order to be electrically connected one drive circuit (not illustrating), in order to cooperate this coil groups 22 to drive this impeller 3 rotation starts.
This impeller 3 is rotatably in conjunction with this motor 2; In the present embodiment, this impeller 3 is rotatably in conjunction with the axle bed 21 of this motor 2, and these impeller 3 better this fan frame 1 inside that are placed in.
This at least one altitude location spare 4 is arranged at this intake grill 121 peripheries, wherein this at least one altitude location spare 4 has a relative binding end 41 and a contact end 42, the 12(of the cover plate section combination that this binding end 41 is incorporated into this fan frame 1 is removable combination or integrated combination), has distance between this contact end 42 and this cover plate section 12, make whereby the contact end 42 of this altitude location spare 4 have one second axial height H2 between the outer surface 123 of the cover plate section 12 of this fan frame 1, in this preferred embodiment, this second axial height H2 can account for 20%~80% of this first axial height H1; Better this second axial height H2 accounts for 40%~60% of this first axial height H1, whereby, as shown in Figure 2, when making the utility model centrifugal heat radiation fan be installed on an electronic product 5 inside, can utilize this at least one altitude location spare 4 to guarantee to have suitable distance between the madial wall 51 of this intake grill 121 and electronic product (the follow-up explanation of detailed ginseng).
In more detail, the altitude location spare 4 of the utility model centrifugal heat radiation fan roughly can be divided into following several embodiments:
As shown in Figure 2, this altitude location spare 4 is several vertical rods 4a, this several vertical rod 4a is compassingly set at intake grill 121 peripheries of this fan frame 1, this several vertical rod 4a has spacing each other, when making the utility model centrifugal heat radiation fan be installed on electronic product inside, can utilize this spacing as a side direction wind inlet.
As shown in Figure 3, this altitude location spare 4 is two relative barricade 4b, this two barricade 4b is arranged at intake grill 121 peripheries of this fan frame 1, this two barricade 4b forms relative two breach each other, when making the utility model centrifugal heat radiation fan be installed on electronic product inside, can utilize these relative two breach as a side direction wind inlet; Again, the wherein barricade 4b of this two barricade 4b is preferably the exhaust outlet 131 to being positioned at this fan frame 1, make between this two barricade 4b and have this wherein barricade 4b between formed relative two breach and this exhaust outlet 131, whereby, when impeller 3 air-guidings via this exhaust outlet 131 when thermal source dispels the heat, can utilize this wherein block effect of a barricade 4b, can not affect because of backflow the air inlet effect of this intake grill 121 to guarantee this air-flow.
As shown in Figure 4, this altitude location spare 4 is a ringwall 4c, this ringwall 4c extends from the cover plate section 12 periphery one of this fan frame 1, and this ringwall 4c is arranged at intake grill 121 peripheries of this fan frame 1, this ringwall 4c is provided with a breach, when making the utility model centrifugal heat radiation fan be installed on electronic product inside, can utilize this breach as a side direction wind inlet; Again, the better contraposition of this ringwall 4c should be fanned the exhaust outlet 131 of frame 1, make and have this ringwall 4c between this breach and this exhaust outlet 131, whereby, when impeller 3 air-guidings via this exhaust outlet 131 when thermal source dispels the heat, can utilize the block effect of this ringwall 4c, can not affect because of backflow the air inlet effect of this intake grill 121 to guarantee this air-flow.
Again, aforementioned vertical rod 4a, barricade 4b and ringwall 4c also can mutually arrange in pairs or groups and close use, for example, as shown in Figure 5, disclose this altitude location spare 4 and be simultaneously several vertical rods 4a and two barricade 4b, this several vertical rods 4a and two barricade 4b are arranged at intake grill 121 peripheries of this fan frame 1, so as to reaching as above-mentioned many effects.
The utility model centrifugal heat radiation fan is when installing and using, referring again to shown in Figure 2, this centrifugal heat radiation fan can be installed on this electronic product 5 inside, the exhaust outlet 131 of this centrifugal heat radiation fan is towards thermal source (producing easily the various electronic component of high heat when for example operating), and the contact end 42 that utilizes this altitude location spare 4 is resisted against the madial wall 51(of this electronic product 5 or also can selects to be resisted against the outer wall of the associated components of electronic product inside), have suitable distance between the madial wall 51 with the cover plate section 12 that guarantees this fan frame 1 and electronic product; Again, the alternating magnetic field that the coil groups 22 of this motor 2 produces can be in order to cooperate this impeller 3 default permanent magnets, (detailed construction that this motor 2 drives these impeller 3 starts forms and the start principle for driving these impeller 3 rotation starts, for what it will be appreciated by those skilled in the art that, this paper appearance is not given unnecessary details).
In the process of these impeller 3 rotation starts, extraneous air-flow side direction can be directed into formed space between the madial wall 51 of this electronic product 5 and this cover plate section 12, further air-flow is directed into this fan frame 1 inside via this intake grill 121 again, again air-flow is directed to the predetermined heat dissipation position via this exhaust outlet 131 at last; Whereby, it is inner that this centrifugal heat radiation fan can be installed in various electronic product, and the thermal source that is produced with for various electronic product running the time provides predetermined thermolysis.
The utility model centrifugal heat radiation fan more has the design of predetermined axial height by this altitude location spare 4, guarantee that the distance between the madial wall 51 of the cover plate section 12 of this fan frame 1 and electronic product is the second axial height H2 of this altitude location spare 4; For example, when the user estimates to make distance between the madial wall 51 of the cover plate section 12 of this fan frame 1 and electronic product to be 10 centimeters, the second axial height H2 of this altitude location spare 4 can be designed to 10 centimeters, thus, after the utility model centrifugal heat radiation fan is installed on these electronic product 5 inside, can guarantee that namely the distance between the madial wall of the intake grill 121 of this centrifugal heat radiation fan and electronic product meets the requirements, and be unlikely to excessive or too small, make this intake grill 121 can effectively import enough air-flows, and hold concurrently and to avoid this centrifugal heat radiation fan to occupy this electronic product 5 inner too much spaces; Whereby, have improving radiating effect concurrently and be conducive to this electronic product 5 towards many effects such as microminiaturized direction research and development designs to reach.
Can further define this second axial height H2 by the utility model centrifugal heat radiation fan and account for 20%~80% of this first axial height H1 again; Perhaps better this second axial height H2 accounts for 40%~60% the technical characteristics of this first axial height H1, also can be under the precondition of the fan frame 1 of selecting to have suitable the first axial height H1, define more accurately the distance between the madial wall 51 of the cover plate section 12 of this fan frame 1 and electronic product, can import an amount of extraneous air-flow and be conducive to the utility model centrifugal heat radiation fan, so that guarantee whether radiating effect and this centrifugal heat radiation fan can occupy the electronic product inner space dual consider a little under, further obtain better balance point; Whereby, more can reach the effects such as better assembling and convenience of use.

Claims (13)

1. centrifugal heat radiation fan is characterized in that it comprises:
A fan frame comprises a baseplate part and a cover plate section, is provided with a side wall section between this baseplate part and this cover plate section, and this cover plate section is provided with an intake grill, and this side wall section is provided with an exhaust outlet;
A motor, it is inner to be arranged at this fan frame;
An impeller can be rotatably in conjunction with this motor; And
At least one altitude location spare, the intake grill that is arranged at this fan frame is peripheral, and this altitude location spare has relative a binding end and a contact end, and this binding end is incorporated into the cover plate section of this fan frame, has a distance between this contact end and this cover plate section.
2. centrifugal heat radiation fan as claimed in claim 1 is characterized in that, this fan frame has the first axial height, and this altitude location spare has the second axial height, and this second axial height accounts for 20%~80% of this first axial height.
3. centrifugal heat radiation fan as claimed in claim 2 is characterized in that, this second axial height accounts for 40%~60% of this first axial height.
4. such as claim 1,2 or 3 described centrifugal heat radiation fans, it is characterized in that this altitude location spare is several.
5. centrifugal heat radiation fan as claimed in claim 4 is characterized in that, this altitude location spare is several vertical rods.
6. centrifugal heat radiation fan as claimed in claim 5 is characterized in that, these several vertical rods are compassingly set at the intake grill periphery of this fan frame, and these several vertical rods have spacing each other, and this spacing is as the side direction wind inlet.
7. centrifugal heat radiation fan as claimed in claim 4 is characterized in that, this altitude location spare is at least two relative barricades.
8. centrifugal heat radiation fan as claimed in claim 7 is characterized in that, this at least two dams setting is in the intake grill periphery of this fan frame, and these at least two barricades form at least two breach each other, and these at least two breach are as the side direction wind inlet.
9. centrifugal heat radiation fan as claimed in claim 8 is characterized in that, one of them barricade of these at least two barricades is to being positioned at the exhaust outlet of this fan frame, and between at least two barricades between formed at least two breach and this exhaust outlet.
10. centrifugal heat radiation fan as claimed in claim 4 is characterized in that, these several altitude location spares are at least one vertical rod or at least one barricade.
11. centrifugal heat radiation fan as claimed in claim 10 is characterized in that, this vertical rod or dams setting are in the intake grill periphery of this fan frame.
12., it is characterized in that this altitude location spare is a ringwall such as claim 1,2 or 3 described centrifugal heat radiation fans, this ringwall is arranged at the intake grill periphery of this fan frame, this ringwall is provided with the breach as the side direction wind inlet.
13. centrifugal heat radiation fan as claimed in claim 12 is characterized in that, this ringwall has this ringwall to being positioned at the exhaust outlet of this fan frame between this breach and this exhaust outlet.
CN 201220505256 2012-09-28 2012-09-28 Centrifugal heat radiation fan Withdrawn - After Issue CN202900775U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220505256 CN202900775U (en) 2012-09-28 2012-09-28 Centrifugal heat radiation fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220505256 CN202900775U (en) 2012-09-28 2012-09-28 Centrifugal heat radiation fan

Publications (1)

Publication Number Publication Date
CN202900775U true CN202900775U (en) 2013-04-24

Family

ID=48121451

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220505256 Withdrawn - After Issue CN202900775U (en) 2012-09-28 2012-09-28 Centrifugal heat radiation fan

Country Status (1)

Country Link
CN (1) CN202900775U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103711713A (en) * 2012-09-28 2014-04-09 昆山广兴电子有限公司 Centrifugal radiating fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103711713A (en) * 2012-09-28 2014-04-09 昆山广兴电子有限公司 Centrifugal radiating fan

Similar Documents

Publication Publication Date Title
CN202483908U (en) Advection fan
CN102562668B (en) Fan module
CN103541916B (en) Blast-type cooling fan
CN102788031B (en) Advection fan
CN104734394A (en) Motor of a ceiling fan
CN201972963U (en) Fan module
CN204068565U (en) The permagnetic synchronous motor of a kind of axial-flow leaf and application thereof
CN205013334U (en) Axial response motor fan
CN202955001U (en) Cooling fan and fan wheel thereof
CN202360431U (en) Fan capable of preventing vane from removing
CN203051168U (en) Centrifugal type heat radiation fan
CN202125439U (en) Novel radiating fan and motor using same
CN202900775U (en) Centrifugal heat radiation fan
CN202900776U (en) Centrifugal heat radiation fan system and centrifugal heat radiation fan thereof
CN203051172U (en) Cooling fan
CN201639437U (en) Motor fan
CN102465894B (en) Fan
CN2921392Y (en) Axial-flow radiating fan
CN203604223U (en) Draught fan mechanism
CN103835965B (en) Centrifugal heat radiation fan
CN202768475U (en) Advection fan and fan wheel thereof
CN103711729A (en) Centrifugal radiating fan system and centrifugal radiating fan thereof
CN103711713A (en) Centrifugal radiating fan
CN202851399U (en) Blowing type heat dissipation fan
CN103573698A (en) Horizontal convection fan and fan wheel thereof

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20130424

Effective date of abandoning: 20160824