CN107731111A - High-heat-dispersion LED display screen - Google Patents
High-heat-dispersion LED display screen Download PDFInfo
- Publication number
- CN107731111A CN107731111A CN201711074773.4A CN201711074773A CN107731111A CN 107731111 A CN107731111 A CN 107731111A CN 201711074773 A CN201711074773 A CN 201711074773A CN 107731111 A CN107731111 A CN 107731111A
- Authority
- CN
- China
- Prior art keywords
- heat
- display module
- electronic display
- airflow chamber
- conducting 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- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- 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
Abstract
The invention discloses a kind of high-heat-dispersion LED display screen, it includes：Electronic display module, it is provided with LED light emitting arrays and the passage of array arrangement, the passage form engraved structure to move air through the electronic display module on the electronic display module；Transparent panel；Tank shell, the first airflow chamber, the second airflow chamber and the 3rd airflow chamber are provided with it；Temperature control system.The display screen of the present invention has the features such as radiating efficiency is high, and radiating effect is uniform.
Description
Technical field
The present invention relates to electronic display technical field, more particularly to a kind of high-heat-dispersion LED display screen.
Background technology
LED is a kind of solid-state semiconductor device, directly can be switched to electric energy for luminous energy.As traditional light source, LED
Also substantial amounts of heat can be produced during work.LED has the advantages that energy-conservation, service life length, inside do not have heavy metal Hg, makes
LED is widely used in life.The electronic display prepared using LED as light source, can be used for show word, figure, image,
The display screen of the various information such as animation, market, video, video signal.LED display can be not only used for indoor environment, also
It can be used for indoor environment, purposes scope is quite varied.Substantial amounts of heat can be produced in the LED display course of work so as to LED
Display screen takes certain radiating treatment to be very important, if heat can not be evacuated in time, the display effect of LED display will
It can be affected, result even in damage of internal wiring etc..
The content of the invention
It is an object of the invention to solve at least the above and/or defect, and provide at least will be described later it is excellent
Point.
Another object of the present invention is just to provide the LED display that a kind of radiating efficiency is high, adaptive temperature scope is wide.
In order to realize object of the present invention and other advantages, there is provided a kind of high-heat-dispersion LED display screen, it includes：
Electronic display module, it is provided with LED light emitting arrays, and the LED light emitting arrays arrange to form light-emitting area, the hair
Be provided with the passage of array arrangement in smooth surface, the passage from the light-emitting area on the electronic display module with
The electronic display module is set to form the engraved structure of ventilation；
Transparent panel, it is arranged on before the light-emitting area of the electronic display module, the transparent panel and the electronic display
Show that module parallel is set；
Tank shell, it is arranged on the periphery of the electronic display module, perspective board and heat-conducting plate, for supporting and fixing institute
State electronic display module, perspective board and heat-conducting plate, and with the perspective board, electronic display module, interior heat-conducting plate, outer heat-conducting plate one
Rise and surround 3 airflow chamber, wherein surrounded between the perspective board and electronic display module for the first airflow chamber, the electronic display
Show surrounded between module and interior heat-conducting plate for the second airflow chamber, surrounded between the interior heat-conducting plate and outer heat-conducting plate for the 3rd
Airflow chamber, the tank shell are provided with the first opening and the second opening, and first opening connects with first airflow chamber, institute
State the second opening to connect with the 3rd airflow chamber, air-flow through hole is provided with the interior heat-conducting plate, so that second air-flow
The gas of room enters the 3rd airflow chamber, and the air-flow through hole is arranged on the other end relative with the described second opening, described
Second opening is connected with the described first opening by tracheae, makes air-flow in first airflow chamber, the second airflow chamber and the 3rd gas
Flow indoor circulation；
Temperature control system, it includes gas actuating device, temperature-detecting device and controller；
The gas actuating device, it is arranged on the gas channel, for the gas in the external world to be sent into the air-flow
It is indoor；
Temperature-detecting device, it is arranged on the rear end of the electronic display module, for detecting the electronic display module
Temperature；
Controller, it is electrically connected with air-flow feeder apparatus, temperature-detecting device, the temperature-detecting device detect temperature >=
At 40 DEG C, the controller starts gas actuating device work.
Preferably, the passage is circle, and aperture is 0.5~1mm.
Preferably, the line space of the passage of the array arrangement is 1~2cm, and column pitch is 1~2cm.
Preferably, the transparent panel is transparent plastic sheet.
Preferably, the gas actuating device is electrohydrodynamics (EHD) air pump.Electrohydrodynamics air pump
Have the advantages that small volume, energy consumption are low, wind speed is big, noise is small, by setting electrohydrodynamics air pump, can quickly realize electricity
The cooling and heating of sub- display module.
Preferably, tank shell includes procapsid and back casing, and the procapsid passes through buckle with the back casing
Connection.
Preferably, the 3rd airflow chamber is provided with filter screen made of metal material, the filter screen and the interior heat conduction
Plate connects with outer heat-conducting plate.
Preferably, the filter screen is cellular filter screen.By setting cellular filter screen in the 3rd airflow chamber, can increase
The heat exchange area of air-flow and wire netting, accelerate the reduction of gas indoor temperature.
Beneficial effects of the present invention：By setting transparent panel in the front end of electronic display module, electronic display module is risen
Protective effect is arrived；First airflow chamber is set between electronic display module and transparent panel, gas is entered the from gas channel
Discharged after one airflow chamber from the passage of electronic display module, into the second airflow chamber, the gas in the second airflow chamber is the 3rd
Airflow chamber returns to the first airflow chamber after completing heat exchange, and whole electronic display module radiating efficiency is high, and radiating effect evenly, is kept away
It is bad traditional heat-dissipating mode radiating effect is exempted from, radiating inequality the characteristics of causing local temperature higher；By setting temperature control system,
LED display is set to be in optimal operating temperature, it is impossible to contribute to energy-conservation energy consumption, moreover it is possible to extend the service life of display screen；It is logical
Cross inner air circulation cooling, moreover it is possible to play moistureproof, dust-proof effect, avoid display screen from short circuit occur after making moist.
Brief description of the drawings
Fig. 1 is a kind of section schematic diagram of high-heat-dispersion LED display screen of the present invention；
Fig. 2 is a kind of schematic diagram of the electronic display module of high-heat-dispersion LED display screen of the present invention.
1st, electronic display module；2nd, perspective board；3rd, the first opening；4th, tank shell；5th, interior heat-conducting plate；6th, airflow direction；7、
First airflow chamber；8th, the second airflow chamber；9th, the 3rd airflow chamber；10th, the second opening；11st, passage；12nd, LED light emitting arrays；13、
Outer heat-conducting plate.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As depicted in figs. 1 and 2, a kind of high-heat-dispersion LED display screen, it includes：
Electronic display module 1, it is provided with LED light emitting arrays 6, and the arrangement of LED light emitting arrays 12 forms light-emitting area, institute
The passage 5 that array arrangement is provided with light-emitting area is stated, the passage 5 runs through the electronical display mould from the light-emitting area
So that the electronic display module 1 forms the engraved structure of ventilation on block 1；
Transparent panel 2, it is arranged on before the light-emitting area of the electronic display module 1, the transparent panel and the electronics
Display module be arranged in parallel；
Tank shell 4, it is arranged on the electronic display module 1, the periphery of perspective board 2 and heat-conducting plate, for supporting and admittedly
The fixed electronic display module 1, perspective board 2 and heat-conducting plate, and with the perspective board 2, electronic display module 1, interior heat-conducting plate 5,
Outer heat-conducting plate 13 surrounds 3 airflow chamber together, wherein surrounded between the perspective board 2 and electronic display module 1 for the first gas
Flow chamber 7, surrounded between the electronic display module 1 and interior heat-conducting plate 5 for the second airflow chamber 8, the interior heat-conducting plate 5 with leading outside
Surrounded between hot plate 13 for the 3rd airflow chamber 9, the tank shell 4 is provided with the first opening 3 and the second opening 10, described first
Opening 3 connects with first airflow chamber 7, and second opening 10 connects with the 3rd airflow chamber 9, the interior heat-conducting plate 5
On be provided with air-flow through hole so that the gas of second airflow chamber 8 enters the 3rd airflow chamber 9, the air-flow through hole is set
Put and connected with the described second 10 relative other ends of opening, first opening 3 with the second opening 10 by tracheae；
Temperature control system, it includes gas actuating device, temperature-detecting device and controller；
The gas actuating device, it is arranged on the gas channel, for the gas in the external world to be sent into the air-flow
It is indoor；
Temperature-detecting device, it is arranged on the rear end of the electronic display module, for detecting the electronic display module
Temperature；
Controller, it is electrically connected with air-flow feeder apparatus, temperature-detecting device, the temperature-detecting device detect temperature >=
At 40 DEG C, the controller starts gas actuating device work.
In order to not influence the display effect of LED display, the passage is provided in round, pore size is arranged to
0.5~1mm.
In order that electronic display module has good radiating effect, the line space for the passage that the array is arranged
For 1~2cm, column pitch is 1~2cm, makes the radiating effect of electronic display module more abundant.
In order to obtain good translucent effect and good shockproof, resistance to compression effect, the transparent panel is transparent plastic sheet.
In order to reduce energy consumption and obtain stronger wind speed, the gas actuating device is that electrohydrodynamics (EHD) is empty
Air pump.Electrohydrodynamics air pump has the advantages that small volume, energy consumption are low, wind speed is big, noise is small, by setting electrofluid to move
Mechanics air pump, it can quickly realize the cooling and heating of electronic display module.
For the dismounting and maintenance of casing, tank shell includes procapsid and back casing, the procapsid with it is described after
Housing is by snapping connection.
In order to increase the heat exchange area of air-flow and heat-conducting plate, the 3rd airflow chamber is further provided with metal material
Filter screen made of material, the filter screen are connected with the interior heat-conducting plate and outer heat-conducting plate.
In order to further increase heat exchange area, the filter screen is cellular filter screen.By being set in the 3rd airflow chamber
Cellular filter screen, the heat exchange area of air-flow and wire netting can be increased, accelerate the reduction of gas indoor temperature.
The cooling method of the present invention is as follows：Air-flow drives by gas actuating device, into the first airflow chamber, then passes through
Passage on electronic display module, into the second airflow chamber, the air-flow in the second airflow chamber enters the 3rd by air-flow through hole
Airflow chamber, and heat exchange is completed with interior heat-conducting plate, outer heat-conducting plate in the 3rd airflow chamber, the gas by cooling is through the second opening
Enter the first opening after discharge, realize the interior circulation of air-flow.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (8)
- A kind of 1. high-heat-dispersion LED display screen, it is characterised in that including：Electronic display module, it is provided with LED light emitting arrays, and the LED light emitting arrays arrange to form light-emitting area, the light-emitting area On be provided with the passage of array arrangement, the passage from the light-emitting area on the electronic display module so that institute State the engraved structure that electronic display module forms ventilation；Transparent panel, it is arranged on before the light-emitting area of the electronic display module, the transparent panel and the electronical display mould Block be arranged in parallel；Tank shell, it is arranged on the periphery of the electronic display module, perspective board and heat-conducting plate, and the tank shell is supported and fixed The electronic display module, perspective board and heat-conducting plate, the tank shell and the perspective board, electronic display module, interior heat-conducting plate, Outer heat-conducting plate surrounds 3 airflow chamber, wherein surrounded between the perspective board and electronic display module for the first airflow chamber, it is described Surrounded between electronic display module and interior heat-conducting plate for the second airflow chamber, surrounded between the interior heat-conducting plate and outer heat-conducting plate For the 3rd airflow chamber, the tank shell is provided with the first opening and the second opening, first opening and first airflow chamber Connection, second opening connect with the 3rd airflow chamber, air-flow through hole are provided with the interior heat-conducting plate, so that described the The gas of two airflow chamber enters the 3rd airflow chamber, and the air-flow through hole is arranged on relative with the described second opening another End, second opening are connected with the described first opening by tracheae；Temperature control system, it includes gas actuating device, temperature-detecting device and controller；The gas actuating device, it is arranged on the gas channel, for the gas in the external world to be sent into the airflow chamber；Temperature-detecting device, it is arranged on the rear end of the electronic display module, for detecting the temperature of the electronic display module Degree；Controller, it is electrically connected with air-flow feeder apparatus, temperature-detecting device, and the temperature-detecting device detects temperature >=40 DEG C When, the controller starts gas actuating device work.
- 2. high-heat-dispersion LED display screen according to claim 1, it is characterised in that the passage is circle, and aperture is 0.5~1mm.
- 3. high-heat-dispersion LED display screen according to claim 1, it is characterised in that the passage of the array arrangement Line space is 1~2cm, and column pitch is 1~2cm.
- 4. high-heat-dispersion LED display screen according to claim 1, it is characterised in that the transparent panel is transparent plastic sheet.
- 5. high-heat-dispersion LED display screen according to claim 1, it is characterised in that the gas actuating device is electrofluid Dynamics air pump.
- 6. high-heat-dispersion LED display screen according to claim 1, it is characterised in that the tank shell includes procapsid with after Housing, the procapsid is with the back casing by snapping connection.
- 7. high-heat-dispersion LED display screen according to claim 1, it is characterised in that the 3rd airflow chamber is provided with metal Filter screen made of material, the filter screen are connected with the interior heat-conducting plate and outer heat-conducting plate.
- 8. high-heat-dispersion LED display screen according to claim 7, it is characterised in that the filter screen is cellular filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711074773.4A CN107731111A (en) | 2017-11-06 | 2017-11-06 | High-heat-dispersion LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711074773.4A CN107731111A (en) | 2017-11-06 | 2017-11-06 | High-heat-dispersion LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107731111A true CN107731111A (en) | 2018-02-23 |
Family
ID=61222214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711074773.4A Withdrawn CN107731111A (en) | 2017-11-06 | 2017-11-06 | High-heat-dispersion LED display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107731111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435591A (en) * | 2019-08-26 | 2021-03-02 | 杭州晶亿科技有限公司 | Long-life LED display screen |
-
2017
- 2017-11-06 CN CN201711074773.4A patent/CN107731111A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112435591A (en) * | 2019-08-26 | 2021-03-02 | 杭州晶亿科技有限公司 | Long-life LED display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180223 |
|
| WW01 | Invention patent application withdrawn after publication |