CN107799018A - LED display with moistureproof dust reduction capability - Google Patents
LED display with moistureproof dust reduction capability Download PDFInfo
- Publication number
- CN107799018A CN107799018A CN201711095910.2A CN201711095910A CN107799018A CN 107799018 A CN107799018 A CN 107799018A CN 201711095910 A CN201711095910 A CN 201711095910A CN 107799018 A CN107799018 A CN 107799018A
- Authority
- CN
- China
- Prior art keywords
- display module
- cavity
- electronic display
- temperature
- reduction capability
- 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- Withdrawn
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/202—Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Thermal Sciences (AREA)
Abstract
The invention discloses a kind of LED display with moistureproof dust reduction capability, 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, it includes procapsid and back casing, and tank shell is formed separately the first cavity and the second cavity by electronic display module, and the first cavity is connected with second cavity by air-flow through hole；Moistureproof dust-proof temp-lowering system, it realizes the quick moistureproof dust-proof temp-lowering of system by air heating apparatus and gas actuating device.The display screen of the present invention has the features such as radiating efficiency is high, moistureproof dust-proof.
Description
Technical field
The present invention relates to electronic display technical field, is shown more particularly to a kind of LED with moistureproof dust reduction capability
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.In a humid environment, if LED display is without damp-proof treatment, meeting
The normal work of LED display is influenceed, or even very likely causes line short to damage LED display.
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 a kind of radiating efficiency height, has the LED display of moistureproof dust reduction capability.
In order to realize object of the present invention and other advantages, there is provided a kind of LED with moistureproof dust reduction capability is shown
Screen, it includes：
Electronic display module, it is provided with LED light emitting arrays and the passage of array arrangement, the LED light-emitting arrays
Row arrangement forms light-emitting area, and the passage of array arrangement is provided with the light-emitting area, and the passage is from the light-emitting area
So that the electronic display module forms the engraved structure of ventilation on the electronic display module；
Transparent panel, it is arranged on the light-emitting area of the front end of the electronic display module, the transparent panel and the electronics
Display module be arranged in parallel；
Tank shell, it includes procapsid and back casing, and the transparent panel, procapsid surround confined air together with back casing
Chamber, procapsid support and the fixed electronic display module and transparent panel, and with the transparent panel and electronic display module
The first cavity is surrounded, the transparent panel, the junction of electronic display module and the procapsid seal, the electronic display module
The second cavity is surrounded with the back casing, first cavity passes through spirality metal pipeline communication, institute with second cavity
Back casing is stated to be made from a material that be thermally conductive；
Moistureproof dust-proof temp-lowering system, it includes gas actuating device, temperature-detecting device and controller；
The gas actuating device is arranged on the junction of the metallic conduit and the first cavity, for driving gas
In the gas and the second empty cavity circulation of first cavity；
The temperature-detecting device is arranged on the rear end of the electronic display module, for detecting the electronic display module
Temperature；
The controller electrically connects with gas actuating device, temperature-detecting device, and the temperature-detecting device detects temperature
During >=40 DEG C of degree, the controller starts gas actuating device work, when the temperature-detecting device detects 40 DEG C of temperature ＜,
The controller stops 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, the procapsid with the back casing by snapping connection.
Preferably, the back casing is made up of aluminum alloy materials.
Preferably, be connected with the inside of the back casing cellular filter screen made of metal material be used for increase heat absorption with it is scattered
Hot area.
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 cavity and the second cavity be set in tank shell, and the gas in two cavitys is filled by gas-powered
Driving is put, makes gas of the gas in the first cavity and the second empty cavity circulation, the first cavity laggard through electronic display module
Enter the second cavity, and the heat of electronic display module is taken out of, so as to realize the effect for reducing electronic display module, high energy gas
Heat exchange is carried out with heat-conducting plate, realizes the reduction of closed cavity temperature in tank shell, the heat dissipating method has radiating efficiency high, dissipates
Thermal effect evenly the characteristics of, it is bad to avoid traditional heat-dissipating mode radiating effect, and radiating inequality causes local temperature higher
Feature；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 prolong
The service life of long display screen；By the way that electronic display module is arranged in closed tank shell, have the function that protection against the tide is dust-proof,
Expand the working environment scope of LED display.
Brief description of the drawings
Fig. 1 is a kind of section schematic diagram of the LED display with moistureproof dust reduction capability of the present invention；
Fig. 2 is a kind of schematic diagram of the electronic display module of the LED display with moistureproof dust reduction capability of the present invention.
1st, electronic display module；2nd, transparent panel；3rd, the second air vent；4th, tank shell；5th, passage；6th, LED light emitting arrays；
7th, the first air vent；8th, air-flow；9th, metal tube.
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 LED display with moistureproof dust reduction capability, it includes：
Electronic display module 1, it is provided with LED light emitting arrays 6, and the arrangement of LED light emitting arrays 6 forms light-emitting area, institute
The passage 5 that array arrangement is provided with light-emitting area is stated, the passage 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 the front end of the light-emitting area of the electronic display module 1, the transparent panel 2 and the electronics
Display module 1 be arranged in parallel；
Tank shell 4, it includes procapsid and back casing, and the transparent panel 2, procapsid surround confined air together with back casing
Chamber, the procapsid support and the fixed electronic display module and transparent panel, the tank shell and the transparent panel and electronics
Display module surrounds the first cavity together, and the transparent panel 2, the junction of electronic display module and the procapsid seal, institute
State electronic display module 1 and the second cavity is surrounded together with the back casing, described one end of metallic conduit 9 is connected to the back casing
On first air vent 7 of upper setting, the other end is connected to the second air vent 7 set on procapsid, realizes first cavity
With the connection of second cavity, the back casing is made from a material that be thermally conductive；
Moistureproof dust-proof temp-lowering system, it includes gas actuating device, temperature-detecting device and controller；
The gas actuating device is arranged on second disposed at air vent, for driving gas in the gas of first cavity
Body and the second empty cavity circulation；
The temperature-detecting device is arranged on the rear end of the electronic display module, for detecting the electronic display module
Temperature；
The controller, it is electrically connected with gas actuating device, temperature-detecting device, and the temperature-detecting device detects
During temperature >=40 DEG C, the controller starts gas actuating device work, and the temperature-detecting device detects 40 DEG C of temperature ＜
When, the controller stops gas actuating device work.
In order to not influence the display effect of LED display, the passage can be further provided in round, aperture
It is dimensioned to 0.5mm.
In order that electronic display module has good radiating effect, further the array can be arranged is logical
The line space of stomata is arranged to 1cm, column pitch 1cm, air-flow is quickly taken away heat caused by electronic display module,
Radiating effect is more abundant.
, further can will be described transparent in order to obtain good translucent effect and good shockproof, resistance to compression effect
Plate uses 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 tank shell, the procapsid is with the back casing by snapping connection.
Effect is imported in order to mitigate the quality of electronic display and enhancing, the back casing can further be used
Aluminum alloy materials are made.Aluminium alloy has the characteristics that corrosion-resistant, thermal conductivity factor is high, using aluminium alloy as back casing material, tool
Have the advantages that heat-conducting effect is excellent, use range is wide.
In order to increase the contact area of gas and back casing timely to transfer heat in environment, further may be used
Cellular filter screen made of metal material is connected with case inside in the rear, for increasing heat absorption and area of dissipation.
LED display of the present invention so cools：Air-flow 8 drives through gas actuating device, enters from the second air vent
First chamber, air-flow 8 take heat out of through electronic display module and enter second chamber, and the gas in the second chamber is through
One air vent is discharged, and the heat energy that air-flow carries completes heat exchange in back casing and metallic conduit, is then refluxed for first chamber,
Realize the interior circulation temperature lowering of gas.
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. LED display with moistureproof dust reduction capability, it is characterised in that including：Electronic display module, it is provided with LED light emitting arrays and the passage of array arrangement, the LED light emitting arrays row Cloth forms light-emitting area, and the passage of array arrangement is provided with the light-emitting area, and the passage runs through from the light-emitting area So that the electronic display module forms the engraved structure of ventilation on the electronic display module；Transparent panel, it is arranged on the front end of 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 includes procapsid and back casing, and the transparent panel, procapsid surround closed cavity together with back casing, institute State procapsid to support and fix the electronic display module and transparent panel, the tank shell and the transparent panel and electronical display mould Block surrounds the first cavity, and the transparent panel, the junction of electronic display module and the procapsid seal, the electronical display mould Block and the back casing surround the second cavity, first cavity and second cavity by spirality metal pipeline communication, The back casing is made from a material that be thermally conductive；Cooling system, it includes gas actuating device, temperature-detecting device and controller；The gas actuating device is arranged on the junction of the metallic conduit and the first cavity, for driving gas in institute State the gas and the second empty cavity circulation of the first cavity；The temperature-detecting device is arranged on the rear end of the electronic display module, for detecting the temperature of the electronic display module Degree；The controller electrically connects with gas actuating device, temperature-detecting device, the temperature-detecting device detect temperature >= At 40 DEG C, the controller starts gas actuating device work, described when the temperature-detecting device detects 40 DEG C of temperature ＜ Controller stops gas actuating device work.
- 2. the LED display according to claim 1 with moistureproof dust reduction capability, it is characterised in that the passage is Circle, aperture are 0.5~1mm.
- 3. the LED display according to claim 1 with moistureproof dust reduction capability, it is characterised in that the array row The line space of the passage of cloth is 1~2cm, and column pitch is 1~2cm.
- 4. the LED display according to claim 1 with moistureproof dust reduction capability, it is characterised in that the transparent panel is Transparent plastic sheet.
- 5. the LED display according to claim 1 with moistureproof dust reduction capability, it is characterised in that the gas-powered Device is electrohydrodynamics air pump.
- 6. the LED display according to claim 1 with moistureproof dust reduction capability, it is characterised in that the procapsid with The back casing is by snapping connection.
- 7. the LED display according to claim 1 with moistureproof dust reduction capability, it is characterised in that the back casing by Aluminum alloy materials are made.
- 8. the LED display according to claim 1 with moistureproof dust reduction capability, it is characterised in that the back casing Inner side is connected with cellular filter screen made of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095910.2A CN107799018A (en) | 2017-11-06 | 2017-11-06 | LED display with moistureproof dust reduction capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095910.2A CN107799018A (en) | 2017-11-06 | 2017-11-06 | LED display with moistureproof dust reduction capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107799018A true CN107799018A (en) | 2018-03-13 |
Family
ID=61549470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095910.2A Withdrawn CN107799018A (en) | 2017-11-06 | 2017-11-06 | LED display with moistureproof dust reduction capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107799018A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020213541A1 (en) * | 2019-04-16 | 2020-10-22 | 株式会社ネットアプリ | Mask with display |
-
2017
- 2017-11-06 CN CN201711095910.2A patent/CN107799018A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020213541A1 (en) * | 2019-04-16 | 2020-10-22 | 株式会社ネットアプリ | Mask with display |
| JP2020176362A (en) * | 2019-04-16 | 2020-10-29 | 株式会社ネットアプリ | Display-equipped mask |
| US11129424B2 (en) | 2019-04-16 | 2021-09-28 | Netappli Co., Ltd. | Mask with display |
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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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180313 |