CN100533639C - Heat radiation device and method for plasma display panel device - Google Patents
Heat radiation device and method for plasma display panel device Download PDFInfo
- Publication number
- CN100533639C CN100533639C CNB2006101158910A CN200610115891A CN100533639C CN 100533639 C CN100533639 C CN 100533639C CN B2006101158910 A CNB2006101158910 A CN B2006101158910A CN 200610115891 A CN200610115891 A CN 200610115891A CN 100533639 C CN100533639 C CN 100533639C
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- radiator fan
- plasma display
- temperature
- display panel
- display device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/206—Cooling means comprising thermal management
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2217/00—Gas-filled discharge tubes
- H01J2217/38—Cold-cathode tubes
- H01J2217/49—Display panels, e.g. not making use of alternating current
- H01J2217/492—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2329/00—Electron emission display panels, e.g. field emission display panels
- H01J2329/002—Cooling means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Plasma & Fusion (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of Gas Discharge Display Tubes (AREA)
Abstract
The invention discloses a heat radiation device and method for plasma display panel device, comprising a heat radiation fan mounted on the plasma display panel device; a temperature difference inductor capable of inducing temperature difference between inner part and outside part of the plasma display panel device; a controller for the heat radiation fan switching rotating direction of the heat radiation fan according to temperature from the temperature difference inductor. This invention has effect of increasing cooling efficiency and stability of the plasma display panel device.
Description
One, technical field
The present invention relates to a kind of heat abstractor and method of plasma display panel display device.
Two, background technology
In general, Plasmia indicating panel (Plasma Display Panel:PDP) is with 2 glass substrates be adhesively fixed hermetic, utilizes light emitting-type element a kind of of its gas inside electric discharge phenomena display image.It needn't install active component in each unit, and manufacturing process is simple, is easy to the maximization of picture, is the direct viewing type image display device that reaction speed is fast, have large-scale picture.Particularly as towards the HDTV image display device in (HighDefinition TeleVision) epoch, just be applied to TV, monitor, indoor and outdoor advertisement with purposes such as display elements, attract tremendous attention in the field of display elements of large-scale (40～60 inches).
But this plasma display panel display device will inevitably produce the heat of high temperature owing to gas discharge phenomenon when driving, and heat is related to stabilized driving and the life-span of PDP rapidly to the outside heat radiation.
Therefore, identical with other electronic products, in most of plasma display panel display device, fan heat abstractors such as (Fan) is installed in the panel rear end, arrive the inner heat release that produces of panel outside.
Fig. 1 is the decomposing schematic representation of the main composition part of general plasma display panel display device.Fig. 2 is the schematic diagram of the heat abstractor of the general plasma display panel display device of explanation.
With reference to the accompanying drawings, an embodiment to the heat abstractor of the plasma display panel display device of foundation prior art describes.
As depicted in figs. 1 and 2, panel 110 is made of two thin glass substrates, rely on the gas discharge phenomenon in the vacuum inner space between them to come displayed image, panel 110 back are equipped with heating panel 130, have when plasma display panel display device drives in the back of above-mentioned heating panel 130, make the heat of above-mentioned panel 110 generations and a plurality of radiator fans 170 of outside Forced Air Convection.
And front housing 150 and back cabinet 160 constitute its external form.
In addition; above-mentioned heating panel 130 normally is made of the high aluminium material of heat transmitting; thereby be stained with heat transmitting thin plate 120,140 protection panels 110 between panel 110 back and the heating panel 130; the heating panel of the easy adhesion metal material in the back of glass material panel 110; the heat that panel produces is by the heat transmitting thin plate, at an easy rate to the heating panel transmission.
Have under the state of above-mentioned formation, if plasma display panel display device carries out work, panel is inner owing to gas discharge phenomenon produces heat, the most of heat transferred that produces is positioned at the heating panel of panel back, relying on radiator fan and extraneous air to carry out convection current by force dispels the heat, another part relies on the free convection of extraneous air and dispels the heat by front panel.
That is, the heat that panel 110 produces dispels the heat by two approach substantially, and first approach (I) is: the heat that panel inside produces relies on and transmits by panel, and at the front side surface of panel, heat transferred is carried out in the convection current and the radiation of dependence and extraneous air.Second approach (II) is: the inner heat that produces of panel passes through panel, transmit to heat transitivity thin plate 140 and heating panel 120 back by panel, and forced convertion mode and the extraneous air by radiator fan 170 carries out heat transferred on the surface of heating panel 130 then.
But,, therefore can not regulate temperature artificially, so the heat radiation of plasma display panel display device is based on dispel the heat by the back of panel 110 (approach II) to this part owing to be to the front of panel 110 displayed image.
This mode has been adhered to the heating panel 130 of the good aluminium material of heat transferred in the back of panel 110, and for heat radiation more promptly, has taked installation radiator fan 170, relies on the radiating mode of forced convertion.
Like this, when plasma display panel display device drives, can stably drive PDP thereupon, and can keep for a long time its life-span with the inner heat that produces of panel rapidly to the outside heat radiation.
But, radiating mode according to above-mentioned plasma display panel display device according to prior art, though have whole balanced radiating effect, when but externally temperature is low, the fan that is installed on the plasma display panel display device is also just discharged the air of plasma display panel display device inside when work to the outside, therefore the shortcoming that exists cooling effectiveness to reduce.
Three, summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of heat abstractor and method of plasma display panel display device, along with the inside and outside temperature difference of plasma display system, control is installed in the work of the radiator fan on the plasma display system, control relies on the force air of radiator fan to flow, thereby improves the cooling effectiveness of plasma display system and the stability of plasma display system.
The objective of the invention is to be achieved through the following technical solutions:
A kind of heat abstractor of plasma display panel display device is characterized in that it comprises: be installed in the radiator fan on the plasma display panel display device; Temperature difference inductor that can the inside and outside temperature difference of induction plasma display panel display apparatus; According to the temperature of above-mentioned temperature difference inductor, can change the radiator fan controller of the direction of rotation of above-mentioned radiator fan.
Above-mentioned radiator fan is along with the reversing direction of rotation of input voltage.
Above-mentioned temperature difference inductor comprises: the internal temperature inductor of the internal temperature of induction plasma display panel display apparatus; The external temperature inductor of the external temperature of induction plasma display panel display apparatus.
And above-mentioned temperature difference inductor comprises: the internal temperature inductor of the internal temperature of induction plasma display panel display apparatus; Respond to the instrument of the difference of above-mentioned internal temperature and external temperature.
To achieve these goals, a kind of heat dissipating method of plasma display panel display device comprised with the next stage: judge whether the display unit internal temperature has reached the stage of the critical temperature of the radiator fan of drive installation on display unit; When reaching critical temperature, the stage of the temperature difference of comparision display device inside and outside; According to the temperature difference comparative result of above-mentioned inside and outside, will be installed in radiator fan on the display unit to stage that specific direction drives.
Above-mentionedly with radiator fan to the stage that specific direction drives be: the radiator fan controller is controlled, and the polarity of the supply voltage that provides to above-mentioned radiator fan is provided.
Above-mentionedly to the stage that specific direction drives be: if the internal temperature of plasma display panel display device is lower than external temperature, just drive radiator fan, produce the forced convertion of the air flow display unit outside of display unit inside with radiator fan.
And, above-mentionedly to the stage that specific direction drives be: if the internal temperature of plasma display panel display device is higher than external temperature, just drive radiator fan, produce the forced convertion that the display unit air outside flows to display unit inside with radiator fan.
The temperature difference that the present invention detects along with the inside and outside Temperature Detector of plasma display system, control is installed in the operative orientation of the radiator fan on the plasma display system, thereby improves the cooling effectiveness of plasma display system and the stability of plasma display system.
The present invention has following beneficial effect:
The radiator fan that plasma display panel display device has is worked changeably along with environment temperature, can improve the cooling effectiveness of plasma display system.
And, when the unexpected ground of external temperature sharply rises, drive the radiator fan that plasma display panel display device has, by driving the stability that radiator fan can improve plasma display system.
Four, description of drawings
Fig. 1 is the decomposing schematic representation of the main composition part of general plasma display panel display device.
Fig. 2 is the schematic diagram of the heat abstractor of the general plasma display panel display device of explanation.
Fig. 3 is the schematic diagram of explanation according to the heat abstractor of plasma display panel display device of the present invention.
Fig. 4 is the schematic diagram of explanation according to the heat dissipating method of plasma display panel display device of the present invention.
The symbol description of major part in the accompanying drawing
170,270: radiator fan 210: temperature difference inductor
211: internal temperature inductor 212: the external temperature inductor
220: the radiator fan controller
Five, embodiment
Below, with reference to accompanying drawing heat abstractor and method according to plasma display panel display device of the present invention are elaborated.
Fig. 3 is the schematic diagram of explanation according to the heat abstractor of plasma display panel display device of the present invention.Fig. 4 is the schematic diagram of explanation according to the heat dissipating method of plasma display panel display device of the present invention.
With reference to Fig. 3, the heat abstractor of foundation plasma display panel display device of the present invention comprises: be installed in the radiator fan 270 on the plasma display panel display device; Temperature difference inductor 210 that can the inside and outside temperature difference of induction plasma display panel display apparatus; According to the temperature of above-mentioned temperature difference inductor, can change the radiator fan controller 220 of the direction of rotation of above-mentioned radiator fan.
The heat and the extraneous air that produce for the faceplate part that makes plasma display panel display device carry out forced convertion, have more than one above-mentioned radiator fan 270 at the privileged site of plasma panel display unit.For the cooling of effectively carrying out realizing by the extraneous air inflow and outflow, fan is positioned at the front housing of display panel display apparatus and the place of back cabinet adjacency.
And above-mentioned radiator fan 270 can be along with the reversing direction of rotation of input voltage.That is, when above-mentioned radiator fan 270 applies cathode voltage, make its rotation, when applying anode voltage, make its rotation so that produce convection current to the display unit outside direction so that produce convection current to the display unit internal direction.
Difference between the internal temperature of above-mentioned temperature difference inductor 210 detection plasma display panel display devices and the external temperature of plasma display panel display device, and with specific modality output detected value.The output form of above-mentioned detected value can be the voltage levvl that the corresponding temperature difference reflects, also can be the numerical data of corresponding certain bits.The output form of this above-mentioned temperature difference inductor 210 interrelates with the input of the radiator fan controller that receives relevant output and determines.
Above-mentioned temperature difference inductor 220 comprises: the internal temperature inductor 211 of the internal temperature of induction plasma display panel display apparatus; The external temperature inductor 212 of the external temperature of induction plasma display panel display apparatus.The means that can comprise as required, the specific output form that is converted to the coherent detection temperature difference.
And above-mentioned temperature difference inductor 220 comprises: the internal temperature inductor 211 of the internal temperature of induction plasma display panel display apparatus; The instrument of the difference of induction internal temperature and external temperature.The instrument of responding to the difference of above-mentioned internal temperature and external temperature also can be made of the thermoelectric element that produces electric current or voltage along with the temperature difference.
Above-mentioned radiator fan controller 220 is controlled the direction of rotation of above-mentioned radiator fan 270 according to the output of above-mentioned temperature difference inductor 210, thus the flowing of the forced convertion of the air of control plasma display panel display device inside and extraneous air.When the temperature of above-mentioned internal temperature inductor 211 inductions reaches specific critical value, apply the control signal that drives radiator fan to radiator fan.
In order to drive radiator fan 270, above-mentioned radiator fan controller 220 controls offer the supply voltage of above-mentioned radiator fan 270.Along with the above-mentioned supply voltage of control, determine the direction of rotation of above-mentioned radiator fan 270, thereby change the direction of forced convertion.
Below, the heat dissipating method that cools off plasma display panel display device effectively according to the heat abstractor of plasma display panel display device of the present invention is as constituted above described.
With reference to Fig. 4, apply power supply to plasma display panel display device, begin to drive stage S410, the internal temperature of internal temperature inductor 210 induction display devices of the temperature difference inductor 210 of the heat abstractor of plasma display panel display device is exported stage S420 then.
In above-mentioned stage S420,, just judge the temperature that detected whether more than the critical temperature that drives cooling device, stage S430 if detect the internal temperature of plasma display panel display device.
Above-mentioned judged result S430 for the temperature that detected not when critical temperature is above, carry out repeatedly and postpone behind the special time stage S420 of the internal temperature of induction display device once more.
But the temperature that has detected in order to determine radiator fan 270 driving directions, compares the internal temperature of plasma display panel display device and the temperature difference of external temperature, stage S450 when critical temperature is above.
If the internal temperature that above-mentioned comparative result S450 is a plasma display panel display device is higher than external temperature, radiator fan controller 220 just drives radiator fan 270, make the forced convertion of the cold air flow of display unit outside to inside, stage S460 thereby produce.For example, when above-mentioned radiator fan 270 applies cathode voltage,, radiator fan controller 220 is applied-voltage of 12V to radiator fan 270 if produce convection current to the display unit internal direction.
But, if the internal temperature that above-mentioned comparative result S450 is a plasma display panel display device is lower than external temperature, radiator fan controller 220 just drives radiator fan 270, thereby produces the forced convertion of the air flow display unit outside that makes display unit inside, stage S470.For example, when above-mentioned radiator fan 270 applies anode voltage,, radiator fan controller 220 is applied+voltage of 12V to radiator fan 270 if produce convection current to the display unit outside direction.
During the radiator fan of carrying out above-mentioned plasma display panel display device drove stage S460, S470, the end-of-job order of input and display device or cut off the electricity supply just judged whether the work of display unit finishes, stage S480).
Do not finish if above-mentioned judged result S480 is the work of display unit, just carry out the stage S420 of the detection display unit internal temperature that the front illustrated and stage afterwards repeatedly.But during the end-of-job of display unit, just finish the driving of the heat abstractor of plasma display panel display device.
The radiator fan that the present invention has is worked changeably along with environment temperature, can improve the cooling effectiveness of plasma display system.
And, when the unexpected ground of external temperature sharply rises, drive the radiator fan that plasma display panel display device has, by driving the stability that radiator fan can improve plasma display system.
More than to having been described in detail according to the heat abstractor and the method for plasma display panel display device of the present invention.But the present invention is not limited to the foregoing description, and the personnel with the common knowledge in this area can carry out various deformation in thought range of the present invention.Therefore, do not break away from the technology of the present invention thought basis and change and the revision made are also included among the present invention.
Claims (3)
1, a kind of heat abstractor of plasma display panel display device is characterized in that: it comprises the radiator fan that is installed on the plasma display panel display device; Temperature difference inductor that can the inside and outside temperature difference of induction plasma display panel display apparatus; According to the temperature of above-mentioned temperature difference inductor, can change the radiator fan controller of the direction of rotation of above-mentioned radiator fan; Above-mentioned temperature difference inductor comprises: the internal temperature inductor of the internal temperature of induction plasma display panel display apparatus; The external temperature inductor of the external temperature of induction plasma display panel display apparatus; After the difference between the internal temperature of temperature difference inductor detection Plasmia indicating panel display device and the external temperature of plasma display system and with specific modality output detected value.
2, a kind of heat dissipating method of plasma display panel display device is characterized in that it comprised with the next stage:
Judge whether the display unit internal temperature has reached the stage of the critical temperature of the radiator fan of drive installation on display unit;
When reaching critical temperature, the stage of the temperature difference of comparision display device inside and outside;
According to the temperature difference comparative result of above-mentioned inside and outside, will be installed in radiator fan on the display unit to stage that specific direction drives;
Above-mentionedly to the stage that specific direction drives be: if the internal temperature of plasma display panel display device is lower than external temperature, just drive radiator fan, produce the forced convertion of the air flow display unit outside of display unit inside with radiator fan; If the internal temperature of plasma display panel display device is higher than external temperature, just drive radiator fan, produce the forced convertion that the display unit air outside flows to display unit inside.
3, the heat dissipating method of plasma display panel display device according to claim 2, it is characterized in that: above-mentioned with radiator fan to stage that specific direction drives, the radiator fan controller is controlled, and the polarity of the supply voltage that provides to above-mentioned radiator fan is provided.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050082897A KR100821746B1 (en) | 2005-09-06 | 2005-09-06 | Apparatus and Method for radiating heat in Image display device |
| KR1020050082897 | 2005-09-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1897213A CN1897213A (en) | 2007-01-17 |
| CN100533639C true CN100533639C (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101158910A Expired - Fee Related CN100533639C (en) | 2005-09-06 | 2006-08-17 | Heat radiation device and method for plasma display panel device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100821746B1 (en) |
| CN (1) | CN100533639C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU206878U1 (en) * | 2021-06-01 | 2021-09-30 | Виктор Людвигович Поляков | Outdoor Advertising Device |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813950B (en) * | 2009-02-23 | 2012-10-10 | 联想(北京)有限公司 | Device for controlling equipment to dissipate heat and equipment having same |
| CN102478928B (en) * | 2010-11-26 | 2015-04-08 | 福建捷联电子有限公司 | Display with intelligent fan system |
| CN102281741A (en) * | 2011-06-10 | 2011-12-14 | 南京Lg新港显示有限公司 | Heat-radiating method of display |
| KR200467248Y1 (en) | 2011-07-08 | 2013-06-03 | 주식회사에스디에스산업 | Cooler controlling apparatus of computer |
| TW201309182A (en) * | 2011-08-12 | 2013-02-16 | Chi Lin Technology Co Ltd | Heat dissipation module and display apparatus using the same |
| FR3000239B1 (en) * | 2012-12-21 | 2016-05-06 | Sagemcom Documents Sas | OPTIMIZING THERMAL CONTROL IN A DEVICE COMPRISING A FAN |
| KR102091863B1 (en) * | 2018-06-27 | 2020-03-20 | 유규복 | Double-Blade Cooling Fan having Operation Display Function |
| CN111179772A (en) * | 2020-01-16 | 2020-05-19 | 抚州市祥邦科技传媒有限公司 | Energy-saving LED display screen with curved air deflector and use method thereof |
| CN112466221B (en) * | 2020-12-09 | 2022-10-11 | 湖北长江新型显示产业创新中心有限公司 | Display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648811A (en) * | 2005-03-16 | 2005-08-03 | 友达光电股份有限公司 | Liquid crystal display and its inner temperature regulating method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07154725A (en) * | 1993-11-26 | 1995-06-16 | Sony Corp | Liquid crystal video display device |
| JPH07334095A (en) * | 1994-06-09 | 1995-12-22 | Toshiba Toransupooto Eng Kk | Led display device |
| KR19990011672U (en) * | 1998-10-10 | 1999-03-25 | 이창한 | Freezer Fan Motor Control Unit |
| KR20000027492A (en) * | 1998-10-28 | 2000-05-15 | 김영환 | Apparatus for controlling cooling fan of plasma display panel |
| JP2000242340A (en) * | 1999-02-19 | 2000-09-08 | Fujitsu General Ltd | Pdp device |
| JP2001227494A (en) * | 2000-02-18 | 2001-08-24 | Fujitsu General Ltd | Radiation fan device for pdp |
| KR20040062290A (en) * | 2003-01-02 | 2004-07-07 | 삼성에스디아이 주식회사 | Method and apparatus to control temperature for plasma display panel and a plasma display panel device having that apparatus |
-
2005
- 2005-09-06 KR KR1020050082897A patent/KR100821746B1/en not_active IP Right Cessation
-
2006
- 2006-08-17 CN CNB2006101158910A patent/CN100533639C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648811A (en) * | 2005-03-16 | 2005-08-03 | 友达光电股份有限公司 | Liquid crystal display and its inner temperature regulating method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU206878U1 (en) * | 2021-06-01 | 2021-09-30 | Виктор Людвигович Поляков | Outdoor Advertising Device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100821746B1 (en) | 2008-04-11 |
| KR20070027382A (en) | 2007-03-09 |
| CN1897213A (en) | 2007-01-17 |
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Granted publication date: 20090826 Termination date: 20110817 |