CN102291966A - Back air cooling device for flat panel display - Google Patents
Back air cooling device for flat panel display Download PDFInfo
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- CN102291966A CN102291966A CN2011102175384A CN201110217538A CN102291966A CN 102291966 A CN102291966 A CN 102291966A CN 2011102175384 A CN2011102175384 A CN 2011102175384A CN 201110217538 A CN201110217538 A CN 201110217538A CN 102291966 A CN102291966 A CN 102291966A
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- air cooling
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- panel monitor
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Abstract
The invention relates to a back air cooling device for a flat panel display. The back air cooling device comprises more than two fans and a heat dissipation box with air outlets, wherein the fans are arranged on the left side and the right side of the heat dissipation box and blow towards the middle part of the heat dissipation box; air flows in a vertical direction through the air outlets; the air outlets are positioned on the upper side wall of the heat dissipation box; the lower side wall of the heat dissipation box rises gradually from two ends to the middle part; the fans are arranged on the left side and the right side of the heat dissipation box in pairs; the upper side wall is a flat plate and two side walls for connecting the upper side wall and the lower side wall are two vertical plates; and the left shape and the right shape of the heat dissipation box are symmetric. In the invention, according to a temperature situation, the fans are controlled; due to the adoption of the low power fans, the noise of the fans can be reduced; and the back air cooling device has the advantages of compact structure, small occupation space and remarkable heat dissipation effect, and is suitable for heat dissipation of the flat panel display.
Description
Technical field
The present invention relates to a kind of heat abstractor, especially a kind of forced air cooling device that is used for the flat-panel monitor back.
Background technology
Present flat-panel monitor, for example LCD scope of application in electron trade is more and more wider, and size is also increasing, and corresponding power consumption also becomes more and more higher, and the heat of generation is also just more and more.If heat can not distribute from LCD timely and effectively, will cause the LCD temperature too high, even surpass the temperature specification of liquid crystal material, thereby influence the reliability of LCD.Particularly in interactive multimedia teaching and conference system; in order to protect tangible LCD surface not scratched by hard thing; usually arrange a clear glass (or resin) in LCD the place ahead, in order to guarantee display effect, glass (or resin) can be as far as possible little with the gap on LCD surface simultaneously.In this case, LCD surface heat just is difficult to distribute.Heat dissipating method commonly used at present is to dispel the heat at the LCD back.
Back radiating mode (air-cooled) commonly used at present has three kinds: first kind is natural heat dissipation, and shortcoming is to be not suitable for the big LCD of power consumption; Second kind the fan exhausting is installed above the LCD back, shortcoming is that fan is in high-temperature region work, and useful life is short; The third directly installs fan to up-draught below the LCD back, shortcoming is a uneven air, can only local dispel the heat.
Publication number is that the Chinese patent application of CN 101592811A discloses a kind of large-size LCD back forced air cooling device, comprises the air-out passage of fan and fan; Between fan and air-out passage, also be provided with distinguished and admirable guider; Distinguished and admirable guider comprises kuppe, splitter; One end of kuppe is connected with the air outlet of fan, and the other end is connected with the upper side wall of air-out channel middle; Splitter places in the air-out passage, and the one end is connected with the lower wall of air-out channel middle, and the other end stretches into the middle part of kuppe; The upper side wall of air-out passage offers a plurality of exhaust vents successively; The section shape of the air-out passage of this scheme has adopted wedge structure, still has higher pressure and speed after air-flow is got rid of by exhaust vent, has guaranteed the abundant heat radiation of LCD.
But, this structure that splitter is set in the centre, on the one hand, after air-flow turns round, intensity can reduce, on the other hand, a desk fan is supplied a typhoon device for cooling, and the air quantity of the fan of requirement is bigger, therefore, can only select for use volume relatively big, the power higher fan that compares, the noise that fan produces is also bigger.In addition, fan and kuppe protrude from the middle part of air-out passage, take certain space, cause the size of air cooling equipment to become big, and structure is not compact.
Summary of the invention
Technical problem at existing in the prior art the objective of the invention is: a kind of low noise, compact conformation are provided, take up room little and the significant flat-panel monitor of radiating effect back air cooling equipment.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of flat-panel monitor back air cooling equipment comprises: fan and the heat radiation casing that has exhaust vent; Fan has more than two, is arranged on the left and right sides and the blowing in the middle part of the heat radiation casing of heat radiation casing; Air-flow flows to vertical direction through exhaust vent.
After adopting this structure, a typhoon device for cooling adopts the fan more than two to blow in the middle of two side direction, compares from the centre to the scheme of both sides air-supply with only adopting a desk fan, the present invention is optional with the less relatively fan of power, effectively reduce noise, reduce volume, radiating effect is better.The present invention can be installed in the below at LCD back, also can be installed in the below at PDP and other flat-panel monitor backs.
Exhaust vent is positioned at the upper side wall of heat radiation casing; The lower wall of heat radiation casing raises to the centre gradually from two ends; Fan is arranged in pairs in the left and right sides of heat radiation casing.Because air-flow arrives the middle part from the both sides of heat radiation casing, the flow of air-flow can reduce gradually, adopt this structure after, the lower wall of inclination still has higher pressure and speed after air-flow is upwards discharged by exhaust vent, guarantees radiating effect.Fan is provided with in pairs, and it is identical with the right promptly to be arranged on left side number of fans, guarantees that air-out is even.
Upper side wall is dull and stereotyped, and the two side that connects upper side wall and lower wall is a vertical plate; Heat radiation casing left and right sides shape symmetry.Air cooling equipment is whole to become elongated shape, compact conformation, convenient processing, can be compact be installed on the flat-panel monitor back, its length (being the length on the left and right directions) is determined according to the size of flat-panel monitor.The shape setting of symmetry comprises the symmetrical distribution of exhaust vent, helps the even discharge of air-flow.
Exhaust vent increases to the centre gradually from two ends, guarantees that air-out is even, realizes Homogeneouslly-radiating.Exhaust vent is a circular hole, and embarking on journey is evenly distributed on the upper side wall.Simple in structure, be convenient to processing, simultaneously good heat-radiation effect can be arranged.
As a kind of preferred, lower wall is the straight plate of symmetrical inclination, also can be the symmetrical curved surface that has radian.Curved surface is whole to be protruded downwards, or is made up of the curved sections smooth connection of some downward protrusions.Straight plate is convenient to processing; Curved surface can further reduce the pressure drop of air-flow.
Fan is tube-axial fan or eddy current fan, can select as required.
This air cooling equipment also comprises the temperature-detecting device that the control fan opens and closes, and temp probe is positioned on the heat generating components of flat-panel monitor.When the heat generating components temperature of flat-panel monitor is hanged down, can allow fan temporarily quit work, perhaps allow fan take turns to operate, can reduce the consumption of electric energy on the one hand, can reduce the noise of environment on the other hand.
Generally speaking, the present invention has following advantage: can fan be controlled according to temperature conditions; Because adopt the small-power fan, its noise that sends can reduce, whole construction for heat radiating device compactness, institute take up space little, and the effect of heat radiation is remarkable.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a vertical view of the present invention.
Fig. 3 is a stereogram of the present invention.
Among the figure, 1 is fan, and 2 are the heat radiation casing, and 3 is upper side wall, and 4 is lower wall, and 5 is exhaust vent.
Embodiment
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is to shown in Figure 3, and a kind of flat-panel monitor of the present invention back air cooling equipment is installed in the below, back of LCD, comprises two fans 1 and heat radiation casing 2.
This LCD back air cooling equipment also includes the temperature-detecting device that control fan 1 opens and closes, and temp probe is positioned on the heat generating components of LCD.
During use, LCD back air cooling equipment is installed on the back below of LCD, after fan 1 is opened, dries to the centre from two ends, air-flow is upwards discharged through exhaust vent 5, LCD is carried out air-cooled, gives vent to anger evenly good heat dissipation effect.The heat generating components temperature that detects LCD when temp probe is lower, and the control fan quits work; When treating that temperature raises, restart fan 1, each fan 1 can start or take turns starting simultaneously, and effectively energy savings reduces environmental noise.
Except the above embodiments, the shape of the quantity of fan 1, lower wall 4 etc. all can be carried out suitable variation, and for example: a desk fan 1 is installed, installation two desk fans 1 that the right side is arranged side by side in the left side of heat radiation casing 2; Under the different situation of fan 1 quantity of heat radiation casing 2 left and right sides, select fan 1 combination of certain power for use, can realize that there is identical air quantity the left and right sides, realize balanced ventilation; Left side and right side installation two desk fans 1 all arranged side by side of heat radiation casing 2; Lower wall 4 adopts the symmetrical curved surface that has radian; Lower wall 4 adopts some curved sections smooth connections to form, and these mapping modes are all in protection scope of the present invention.
Claims (10)
1. flat-panel monitor back air cooling equipment comprises: fan and have the heat radiation casing of exhaust vent, and it is characterized in that: described fan has more than two, is arranged on the left and right sides of heat radiation casing and to the middle part blowing of heat radiation casing; Air-flow flows to vertical direction through exhaust vent.
2. according to the described a kind of flat-panel monitor of claim 1 back air cooling equipment, it is characterized in that: described exhaust vent is positioned at the upper side wall of heat radiation casing; The lower wall of heat radiation casing raises to the centre gradually from two ends; Fan is arranged in pairs in the left and right sides of heat radiation casing.
3. according to the described a kind of flat-panel monitor of claim 2 back air cooling equipment, it is characterized in that: described upper side wall is for dull and stereotyped, and the two side that connects upper side wall and lower wall is a vertical plate; Heat radiation casing left and right sides shape symmetry.
4. according to claim 2 or 3 described a kind of flat-panel monitor back air cooling equipments, it is characterized in that: described exhaust vent increases to the centre gradually from two ends.
5. according to the described a kind of flat-panel monitor of claim 4 back air cooling equipment, it is characterized in that: described exhaust vent is a circular hole, and embarking on journey is evenly distributed on the upper side wall.
6. according to claim 2 or 3 described a kind of flat-panel monitor back air cooling equipments, it is characterized in that: described lower wall is the straight plate of symmetrical inclination.
7. according to claim 2 or 3 described a kind of flat-panel monitor back air cooling equipments, it is characterized in that: described lower wall is the symmetrical curved surface that has radian.
8. according to the described a kind of flat-panel monitor of claim 7 back air cooling equipment, it is characterized in that: described curved surface is whole to be protruded downwards, or is made up of the curved sections smooth connection of some downward protrusions.
9. according to each described a kind of flat-panel monitor back air cooling equipment in the claim 1 to 3, it is characterized in that: described fan is tube-axial fan or eddy current fan.
10. according to each described a kind of flat-panel monitor back air cooling equipment in the claim 1 to 3, it is characterized in that: it also comprises the temperature-detecting device that the control fan opens and closes, and temp probe is positioned on the heat generating components of flat-panel monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102175384A CN102291966A (en) | 2011-08-01 | 2011-08-01 | Back air cooling device for flat panel display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102175384A CN102291966A (en) | 2011-08-01 | 2011-08-01 | Back air cooling device for flat panel display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102291966A true CN102291966A (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102175384A Pending CN102291966A (en) | 2011-08-01 | 2011-08-01 | Back air cooling device for flat panel display |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103153033A (en) * | 2013-03-22 | 2013-06-12 | 阳光电源股份有限公司 | Printed circuit board cooling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790230A (en) * | 2004-12-17 | 2006-06-21 | 奇鋐科技股份有限公司 | Heat radiation module with cross flow fan |
| CN201312471Y (en) * | 2008-12-05 | 2009-09-16 | 讯凯国际股份有限公司 | Wind guide cap |
| CN101583255A (en) * | 2009-07-03 | 2009-11-18 | 山东英特力光通信开发有限公司 | Electronic equipment chassis |
| CN101592811A (en) * | 2009-04-29 | 2009-12-02 | 广东威创视讯科技股份有限公司 | A kind of large-size LCD back forced air cooling device |
| CN201523420U (en) * | 2009-09-25 | 2010-07-07 | 深圳速浪数字技术有限公司 | Radiating structure for digital television modulator |
-
2011
- 2011-08-01 CN CN2011102175384A patent/CN102291966A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790230A (en) * | 2004-12-17 | 2006-06-21 | 奇鋐科技股份有限公司 | Heat radiation module with cross flow fan |
| CN201312471Y (en) * | 2008-12-05 | 2009-09-16 | 讯凯国际股份有限公司 | Wind guide cap |
| CN101592811A (en) * | 2009-04-29 | 2009-12-02 | 广东威创视讯科技股份有限公司 | A kind of large-size LCD back forced air cooling device |
| CN101583255A (en) * | 2009-07-03 | 2009-11-18 | 山东英特力光通信开发有限公司 | Electronic equipment chassis |
| CN201523420U (en) * | 2009-09-25 | 2010-07-07 | 深圳速浪数字技术有限公司 | Radiating structure for digital television modulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103153033A (en) * | 2013-03-22 | 2013-06-12 | 阳光电源股份有限公司 | Printed circuit board cooling device |
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Application publication date: 20111221 |