CN101652050A - Wind guiding cover - Google Patents
Wind guiding cover Download PDFInfo
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- CN101652050A CN101652050A CN200810135147A CN200810135147A CN101652050A CN 101652050 A CN101652050 A CN 101652050A CN 200810135147 A CN200810135147 A CN 200810135147A CN 200810135147 A CN200810135147 A CN 200810135147A CN 101652050 A CN101652050 A CN 101652050A
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Abstract
The invention discloses a wind guiding cover, which comprises a wind inlet part provided with a wind inlet, a wind outlet part provided with a wind outlet opposite to the wind inlet, and a heat exchange area arranged between the wind inlet and the wind outlet. The heat exchange area is provided with an airflow turbulence part close to the wind inlet part. When the wind guiding cover covers a heating element of a main plate, the wind guiding cover and the main plate form a wind passage; and the heat exchange area is positioned above the heating element so that the airflow passes through the airflow turbulence part to increase airflow turbulence so as to reinforce the heat convection effect and increase the convection heat exchange coefficient.
Description
Technical field
The present invention relates to a kind of heat dissipation technology, particularly relate to a kind of wind scooper that is applied in the electronic installation.
Background technology
The electronic installation that uses on the existing market is often crossed the electronic installation temperature inside rising that causes of a specified duration owing to access times frequently reach the operating time, easily influences the normal operation of electronic installation.Simultaneously, because the heater element that electronic installation is inner contained, as CPU (Centralprocessing unit, CPU), internal memory, north bridge chips, and power supply unit etc., attainable arithmetic speed is more and more fast, data processing amount also is multiple to be increased, and therefore, the normal situation of fault that causes because of working temperature is too high takes place.For fear of heater element because of the overheated fault that causes, the solution of existing industry is that radiator fan is set in electronic installation, so that the heat energy that heater element was produced is derived outside the electronic installation, and avoid heater element Yin Wendu too high and damage, and then cause the situation of electronic installation fluctuation of service to take place.
But in actual heat radiation process, only also there is the slow excessively problem of heat radiation in the method that derives heat energy by radiator fan, and can't reach best radiating effect, and then causes heater element Yin Wendu too high and damage; So the designer sets up radiation wind-guiding hood to produce the flowing space on this heater element, thereby it is mobile that air-flow can be concentrated, hot gas is discharged by this wind scooper so that the air-flow that the radiator fan rotation produces is intensive, and effectively promote the radiating effect of radiator fan heater element; Therefore, wind scooper has become the object of the indispensability in the cooling system.
See also Figure 1A and Figure 1B, existing wind scooper 1 is a hollow cover body, and it comprises a top cover 10 and two sidewalls 11 that extend along 10 liang of opposite side of this top cover downwards, and wind scooper 1 two ends then have an air intake vent 12 and an air outlet 13 respectively.During use, this wind scooper 1 can be arranged on the mainboard 14 of electronic installation, heater element 15 with the cover cap electronic installation, make heater element 15 be positioned at this wind scooper 1, and cooperate air-flow 160 that this radiator fan 16 produces to enter and shed, to reach radiating effect by this air outlet 13 from this air intake vent 12.
But, for this heater element 15, the top cover 10 of existing wind scooper 1 and two sidewalls 11 form a linear flow road, when air-flow 160 passes through in this wind scooper 1, only dispel the heat by runner, its radiating rate is limited, makes the temperature of this heater element 15 surpass controllable scope, is in dangerous operating state to cause this heater element 15.
Therefore, how to find the higher wind scooper of a kind of radiating efficiency, take place with the situation of avoiding heater element work down in the hole, real is problem anxious to be solved at present.
Summary of the invention
In view of the shortcoming of above-mentioned prior art, a purpose of the present invention provides a kind of wind scooper that improves radiating efficiency.
Another object of the present invention provides a kind of increase heat exchange coefficient, to improve the wind scooper of heat convection efficient.
Another purpose of the present invention provides a kind of wind scooper that reduces windage.
For reaching above-mentioned and other purpose, the invention provides a kind of wind scooper, be applied to be provided with the mainboard of heater element, and wind scooper covers heater element and form the air channel with mainboard, this wind scooper comprises: air part has the air intake vent that is positioned at air channel one side; The outlet section, the air outlet with side that is positioned at the relative air intake vent in air channel; And heat transfer zone, be located between this air intake vent and the air outlet, and be positioned at the heater element top, and this heat transfer zone has the turbulent air flow portion of contiguous air part.
In the aforesaid wind scooper, this air part also can have the air-flow pressing down section, is located between this air intake vent and the heat transfer zone, is concentrated to heat transfer zone so that air-flow presses down; And this heat transfer zone also can have the air-flow diffusion part, is located between this turbulent air flow portion and the outlet section, to reduce the windage of air-flow; This turbulent air flow portion can have V-type flanging structure again.
In the aforesaid wind scooper, this turbulent air flow portion can have first inclined-plane and second inclined-plane, this first inclined-plane connects this air part, be the inclined-plane of this heat transfer zone top inner wall along the downward extension of airflow direction, this second inclined-plane is arranged at the rear side on this first inclined-plane along airflow direction, for this heat transfer zone top inner wall along the acclivitous inclined-plane of airflow direction, preferably, this first and second inclined-plane can form V-type flanging structure.
According to said structure, having first inclined-plane with turbulent air flow portion is primary demand, and this air part also can have the air-flow pressing down section, for being located at the inclined-plane that dips down between this air intake vent and the turbulent air flow portion, preferably, can link this first inclined-plane, and identical with the angle of inclination on first inclined-plane.
According to said structure, having second inclined-plane with turbulent air flow portion is primary demand, this heat transfer zone also can have the air-flow diffusion part, be located between this second inclined-plane and the outlet section, and this air-flow diffusion part can be the top inner wall of this heat transfer zone along the acclivitous inclined-plane of airflow direction, and identical with the angle of inclination on second inclined-plane, preferably, the angle of this air-flow diffusion part and horizontal plane can be less than 30 degree.
As from the foregoing, wind scooper of the present invention is by forming the design of turbulent air flow portion on heat transfer zone, and when this wind scooper covered heater element, this turbulent air flow portion formed relative narrow air channel with heater element; Than prior art, when air communication is crossed this narrow air channel, strengthened the thermal convection effect by this wind scooper, can reach the increase convection transfer rate, with the purpose of raising heat convection efficient, and the temperature of may command heater element, and reach the purpose that improves radiating efficiency.In addition, the design of the air-flow diffusion part by heat transfer zone so that the space in the outflow air channel of air-flow increases, and reaches the purpose that reduces windage.
Description of drawings
Figure 1A and Figure 1B are the application schematic diagram of existing wind scooper;
Fig. 2 A is the stereogram of first embodiment of wind scooper of the present invention;
Fig. 2 B is applied to the schematic diagram of electronic installation for first embodiment of wind scooper of the present invention;
Fig. 3 is applied to the schematic diagram of electronic installation for second embodiment of wind scooper of the present invention;
Fig. 4 is applied to the schematic diagram of electronic installation for the 3rd embodiment of wind scooper of the present invention.
The main element symbol description:
1,2 wind scoopers
10,2a top cover
11,2b sidewall
12,210 air intake vents
13,220 air outlets
14,4 mainboards
15,3 heater elements
16 radiator fans
160 air-flows
20 heat transfer zone
200,200 ' turbulent air flow portion
201 air-flow diffusion parts
200a, 200a ' first inclined-plane
200b, 200b ' second inclined-plane
21,21 ' air part
211 air-flow pressing down sections
22 outlet sections
5 blower modules
50 cold airflows
6 air channels
The θ angle
Embodiment
Below by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the content that this specification disclosed.
First embodiment
See also Fig. 2 A and Fig. 2 B, be the schematic diagram of wind scooper one embodiment of the present invention.At the wind-lead-cover structure shown in present embodiment and other embodiment only is illustrative, as long as be applied to have in the electronic installation of heater element, comprise heat transfer zone, relative air part and outlet section, be provided with turbulent air flow portion in this heat transfer zone, form disturbance so that air communication is crossed turbulent air flow portion, all be applicable to the present invention.
Shown in Fig. 2 A, in the present embodiment, the no bottom cover body that this wind scooper 2 is made up of top cover 2a and the two sidewall 2b that extend downwards along this top cover 2a two relative edges, respectively this sidewall 2b can be and is shaped in top cover 2a.
Described wind scooper 2 comprises: heat transfer zone 20, relative air part 21 and outlet section 22; This air part 21 has air intake vent 210, and this outlet section 22 has the air outlet 220 of relative air intake vent 210, and this heat transfer zone 20 is located between air intake vent 210 and the air outlet 220, and has the turbulent air flow portion 200 of contiguous air part 21.
Shown in Fig. 2 B, this wind scooper 2 is applied to have in the electronic installation of heater element 3, this electronic installation comprises a mainboard 4 and a blower module 5, this heater element 3 is located on the mainboard 4, and this wind scooper 2 cover cap heater elements 3 and form an air channel 6 with mainboard 4.
Described air intake vent 210 is positioned at this air channel 6 one sides, and connect this blower module 5, the cold airflow 50 that this blower module 5 is produced enters air channel 6 by air intake vent 210, and described air outlet 220 is positioned at a side of air channel 6 relative air intake vents 210, and described heat transfer zone 20 is positioned at heater element 3 tops, for the cold airflow 50 that enters by air intake vent 210 in heat transfer zone 20 carrying out heat exchange with heater element 3, and form thermal currents and discharge by air outlet 220 in heat transfer zone 20.
Described turbulent air flow portion 200 has the first inclined-plane 200a and the second inclined-plane 200b, this first inclined-plane 200a connects this air part 21, be the inclined-plane of these heat transfer zone 20 top inner wall along the downward extension of airflow direction, and this second inclined-plane 200b is arranged at the rear side of this first inclined-plane 200a along airflow direction, for these heat transfer zone 20 top inner wall along the acclivitous inclined-plane of air-flow, and this first and second inclined- plane 200a, 200b is connected so that turbulent air flow portion 200 has single V-type flanging structure.Certainly, in other embodiments, also can be the recessed folded structure of a plurality of V-type flanging structures or other shapes and number, not limited thereto; In other words, need only in this heat transfer zone 20 and be provided with the structure that bends towards heater element 3 (holding the back statement), pass through to increase flow perturbation for the cold airflow 50 that enters heat transfer zone 20, to improve heat exchange coefficient, and increase heat convection efficient, promptly be applicable to turbulent air flow of the present invention portion 200.
Preferably, this turbulent air flow portion 200 closes on this air part 21 and is provided with, and makes air-flow when just entering heat transfer zone 20, and flow perturbation is strengthened, and heat exchange coefficient increases, and makes the heat exchange effect better.
Moreover, it should be noted, in the present embodiment, this electronic installation is a server, but be not as limit, and this wind scooper 2 covers at for example heater element 3 of internal memory, but be not as limit, this heater element 3 also can be CPU, north bridge chips, power supply unit, integrated circuit (integrated circuit, IC) element or other heater elements.Because this heater element 3 and blower module 5 are to belong to prior art, and its structure and action principle be all known, so should know only be illustrative shown in the present embodiment.
The wind scooper 2 of present embodiment is by the design of this turbulent air flow portion 200, than prior art, provide at this blower module 5 under the situation of identical cold airflow 50, when this cold airflow 50 passes through heat transfer zone 20, rely on turbulent air flow portion 200 to increase flow perturbation, and raising heat exchange coefficient, and then the heat convection efficient of increase heat transfer zone 20.
Second embodiment
See also Fig. 3, the difference of the present embodiment and first embodiment is the structure of heat transfer zone 20, and the design of all the other relevant wind scoopers 2 is then roughly the same, and therefore, components identical will be omitted with corresponding explanation, and repeat no more, and state clearly hereby.
As shown in the figure, when the turbulent air flow portion 200 ' of this heat transfer zone 20 has two V-type flanging structures, form turbulent degree to promote cold airflow 50, and increase radiating effect (holding the back statement); And can to make the length of two first inclined- plane 200a, 200a ' and angle of inclination be similar and different and/or the length of these two second inclined- plane 200b, 200b ' and angle of inclination are similar and different; Certainly, in other embodiments, but the respectively recessed folding length of this V-type flanging structure, angle of inclination, inclined-plane, and all changes of the recessed folding degree of depth.
This heat transfer zone 20 also has an air-flow diffusion part 201, be located between this turbulent air flow portion 200 ' and the outlet section 22, to make air-flow have enough spaces to flow by the space that enlarges air channel 6, thereby reach the windage that reduces air-flow and air-flow is comparatively fast flowed out by air outlet 220, and then heat energy is shed; In the present embodiment, the top inner wall that this air-flow diffusion part 201 is this heat transfer zone 20 is along the acclivitous inclined-plane of airflow direction and link this second inclined-plane 200b ', and preferably, this air-flow diffusion part 201 is identical with the angle of inclination of this second inclined-plane 200b '; In addition, this air-flow diffusion part 201 is spent less than 30 with the angle theta of horizontal plane.
The 3rd embodiment
See also Fig. 4, the difference of the present embodiment and second embodiment be air part 21 ' structure, the design of all the other relevant wind scoopers 2 is then roughly the same, therefore, components identical will be omitted with corresponding explanation, and repeat no more, and state clearly hereby.
As shown in the figure, when blower module 5 is higher with respect to the thermal source height, the height of the air intake vent 210 of this wind scooper 2 is also higher relatively, in order to make air-flow more concentrated, this air part 21 ' also has an air-flow pressing down section 211, be located between this air intake vent 210 and the heat transfer zone 20, press down for the cold airflow 50 that is produced by blower module 5 and concentrate on heat transfer zone 20, and the flow velocity of cold airflow 50 is increased; In the present embodiment, this air-flow pressing down section 211 is for dipping down inclined-plane and link to each other with the first inclined-plane 200a of this turbulent air flow portion 200 ', and preferably, this air-flow pressing down section 211 is identical with the angle of inclination of this first inclined-plane 200a.
The turbulent air flow portion 200 ' of second and third embodiment has two place's V-type flanging structures, and respectively forms stenosis between this V-type flanging structure and this heater element 3.Therefore, can form turbulent flow by the cold airflow 50 of this stenosis respectively and improve heat exchange coefficient, and then increase heat convection efficient.
In addition, in order to verify the radiating effect of wind scooper of the present invention and existing wind scooper, the applicant has carried out relevant test experiments at the wind scooper of two V-type flanging structures of wind scooper and design of a V-type flanging structure of design among existing wind scooper and the present invention, experiment can obtain following table after tested, wherein, the different heater element of DIMM 1 to 12 representative, F is illustrated in the front of heater element and tests, B is illustrated in the back side of heater element and tests, and normal temperature equals 85 expressions can not surpass 85 degree.
| Test position | The wind scooper that does not have recessed folding part | Wind scooper with a recessed folding part | Wind scooper with two recessed folding parts | Normal temperature |
| ??DIMM1F | ??67.7 | ??58.8 | ??57.3 | ??85.0 |
| ??DIMM1B | ??79.6 | ??68.8 | ??64.7 | ??85.0 |
| ??DIMM2F | ??81.0 | ??73.1 | ??69.0 | ??85.0 |
| ??DIMM2B | ??79.7 | ??72.0 | ??69.8 | ??85.0 |
| ??DIMM3F | ??78.4 | ??67.9 | ??66.6 | ??85.0 |
| ??DIMM3B | ??78.6 | ??72.0 | ??72.7 | ??85.0 |
| ??DIMM4F | ??78.8 | ??69.2 | ??69.0 | ??85.0 |
| ??DIMM4B | ??81.3 | ??84.8 | ??76.7 | ??85.0 |
| ??DIMM5F | ??80.5 | ??87.9 | ??80.1 | ??85.0 |
| ??DIMM5B | ??85.2 | ??83.2 | ??80.7 | ??85.0 |
| ??DIMM6F | ??82.8 | ??75.1 | ??74.5 | ??85.0 |
| ??DIMM6B | ??772 | ??61.6 | ??61.0 | ??85.0 |
| ??DIMM7F | ??72.3 | ??87.6 | ??79.6 | ??85.0 |
| ??DIMM7B | ??87.7 | ??81.3 | ??73.1 | ??85.0 |
| ??DIMM8F | ??90.4 | ??93.0 | ??80.9 | ??85.0 |
| ??DIMM8B | ??89.7 | ??91.5 | ??81.7 | ??85.0 |
| ??DIMM9F | ??87.8 | ??86.0 | ??77.6 | ??85.0 |
| ??DIMM9B | ??84.4 | ??90.1 | ??78.6 | ??85.0 |
| ??DIMM10F | ??85.7 | ??81.7 | ??76.6 | ??85.0 |
| ??DIMM10B | ??89.9 | ??84.1 | ??76.8 | ??85.0 |
| ??DIMM11F | ??94.6 | ??82.4 | ??78.7 | ??85.0 |
| ??DIMM11B | ??96.5 | ??84.5 | ??77.9 | ??85.0 |
| ??DIMM12F | ??90.4 | ??79.4 | ??83.1 | ??85.0 |
| ??DIMM12B | ??76.0 | ??84.8 | ??79.5 | ??85.0 |
As seen from the above table, added after two V-type flanging structures, can increase the flow perturbation by this heater element 3, the range of decrease of temperature is also generally bigger; But, be not to increase the more V-type flanging structure, the temperature range of decrease of this heater element 3 is bigger, and in this experiment, the cooling-down effect of three V-type flanging structures is similar to the cooling-down effect of two V-type flanging structures.
In sum, wind scooper of the present invention is by the design of turbulent air flow portion, when wind scooper covers this heater element, change the shape in air channel by this turbulent air flow portion, thereby increase flow perturbation when making cold airflow pass through this turbulent air flow portion and strengthen the thermal convection effect, effectively increase convection transfer rate, and effectively reach the purpose that improves radiating efficiency.
Moreover the design of the air-flow diffusion part by heat transfer zone so that the flowing space of air-flow increases, and reaches the purpose that reduces windage, and then thermal current is comparatively fast shed.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, the scope of the present invention should be foundation with the scope of claims.
Claims (12)
1, a kind of wind scooper is applied to have in the electronic installation of heater element, and this electronic installation comprises a mainboard and a blower module, this heater element is located on this mainboard, and this this heater element of wind scooper cover cap and form an air channel with this mainboard is characterized in that this wind scooper comprises:
One air part has the air intake vent that is positioned at this air channel one side, and this air intake vent connects this blower module, and the cold airflow that this blower module is produced enters this air channel by this air intake vent;
One outlet section, the air outlet with side that is positioned at relative this air intake vent in this air channel; And
One heat transfer zone, be located between this air intake vent and the air outlet, and be positioned at this heater element top, make the cold airflow that enters by this air intake vent carry out heat exchange in this heat transfer zone and this heater element, and discharge at this heat transfer zone formation thermal current and by the air outlet of this outlet section, this heat transfer zone has a turbulent air flow portion, and contiguous this air part of this turbulent air flow portion, making the cold airflow that enters this heat transfer zone increase flow perturbation by this turbulent air flow portion, and improve heat exchange coefficient.
2, wind scooper according to claim 1, it is characterized in that: this air part also has an air-flow pressing down section, be located between this air intake vent and this heat transfer zone, be concentrated to this heat transfer zone, and the flow velocity of cold airflow is increased so that press down by the cold airflow that this blower module produced.
3, wind scooper according to claim 1 is characterized in that: this heat transfer zone also has an air-flow diffusion part, is located between this turbulent air flow portion and this outlet section, to reduce the windage of air-flow.
4, wind scooper according to claim 1 is characterized in that: this turbulent air flow portion has at least one V-type flanging structure.
5, wind scooper according to claim 1, it is characterized in that: this turbulent air flow portion has first inclined-plane and second inclined-plane, this first inclined-plane connects this air part, be the inclined-plane of this heat transfer zone top inner wall along the downward extension of airflow direction, this second inclined-plane is arranged at the rear side on this first inclined-plane along airflow direction, for this heat transfer zone top inner wall along the acclivitous inclined-plane of airflow direction.
6, wind scooper according to claim 5 is characterized in that: this first and second inclined-plane forms V-type flanging structure.
7, wind scooper according to claim 5 is characterized in that: this heat transfer zone also has an air-flow diffusion part, is located between second inclined-plane and this outlet section of this turbulent air flow portion.
8, wind scooper according to claim 7 is characterized in that: this air-flow diffusion part for the top inner wall of this heat transfer zone along the acclivitous inclined-plane of airflow direction, and identical with the angle of inclination on second inclined-plane of this turbulent air flow portion.
9, wind scooper according to claim 8 is characterized in that: the angle of this air-flow diffusion part and horizontal plane is less than 30 degree.
10, wind scooper according to claim 5 is characterized in that: this air part also has an air-flow pressing down section, for being located at the inclined-plane that dips down between this air intake vent and this turbulent air flow portion.
11, wind scooper according to claim 10 is characterized in that: this air-flow pressing down section links to each other with first inclined-plane of this turbulent air flow portion.
12, wind scooper according to claim 10 is characterized in that: this air-flow pressing down section is identical with the angle of inclination on first inclined-plane of this turbulent air flow portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810135147A CN101652050A (en) | 2008-08-13 | 2008-08-13 | Wind guiding cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810135147A CN101652050A (en) | 2008-08-13 | 2008-08-13 | Wind guiding cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101652050A true CN101652050A (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810135147A Pending CN101652050A (en) | 2008-08-13 | 2008-08-13 | Wind guiding cover |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213984A (en) * | 2010-04-09 | 2011-10-12 | 鸿富锦精密工业（深圳）有限公司 | Heat radiating system |
| CN102781198A (en) * | 2011-05-10 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Electronic product with wind scooper |
| CN106852080A (en) * | 2017-03-02 | 2017-06-13 | 珠海格力电器股份有限公司 | Heat dissipation air duct structure and baking equipment with same |
| CN108195753A (en) * | 2018-02-27 | 2018-06-22 | 招商局重庆交通科研设计院有限公司 | A kind of road driving safely and fast test and evaluation device |
| CN108681381A (en) * | 2018-05-24 | 2018-10-19 | 黑龙江工业学院 | A kind of computer high speed circulation radiator |
-
2008
- 2008-08-13 CN CN200810135147A patent/CN101652050A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213984A (en) * | 2010-04-09 | 2011-10-12 | 鸿富锦精密工业（深圳）有限公司 | Heat radiating system |
| CN102781198A (en) * | 2011-05-10 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Electronic product with wind scooper |
| CN106852080A (en) * | 2017-03-02 | 2017-06-13 | 珠海格力电器股份有限公司 | Heat dissipation air duct structure and baking equipment with same |
| CN106852080B (en) * | 2017-03-02 | 2023-04-07 | 珠海格力电器股份有限公司 | Heat dissipation air duct structure and baking equipment with same |
| CN108195753A (en) * | 2018-02-27 | 2018-06-22 | 招商局重庆交通科研设计院有限公司 | A kind of road driving safely and fast test and evaluation device |
| CN108681381A (en) * | 2018-05-24 | 2018-10-19 | 黑龙江工业学院 | A kind of computer high speed circulation radiator |
| CN108681381B (en) * | 2018-05-24 | 2021-02-09 | 黑龙江工业学院 | High-speed circulation heat abstractor of computer |
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Open date: 20100217 |