CN104269114B - LED ad display screen - Google Patents
LED ad display screen Download PDFInfo
- Publication number
- CN104269114B CN104269114B CN201410484876.8A CN201410484876A CN104269114B CN 104269114 B CN104269114 B CN 104269114B CN 201410484876 A CN201410484876 A CN 201410484876A CN 104269114 B CN104269114 B CN 104269114B
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- China
- Prior art keywords
- heat radiation
- burr
- light source
- heat
- heat sink
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a kind of LED ad display screen, comprise screen body, face shield, diffuser, LED light source assembly, heat sink, face shield adopts clear glass or transparent resin to make, one side of face shield is movably connected on screen body, the opposite side of face shield is connected on lamp housing by buckle cam lock or snap close, diffuser and lamp housing are formed with light source chamber, in light source chamber, be provided with LED light source assembly, LED light source assembly comprises substrate and is fixed on the some LED light sources on substrate, substrate is fixed on the one side of heat sink, the another side of heat sink is welded with heat radiation burr, heat radiation burr is taper, the diameter of section of heat radiation burr is reduced to the other end gradually by welding ends, heat sink and lamp housing form heat radiation chamber, heat radiation burr is located in heat radiation chamber, be taper by heat radiation burr is set, when increasing area of dissipation, improve the performance of ventilating of heat sink, improve radiating effect, thus the service life of effectively improving display screen, and cost is low.
Description
Technical field
The present invention relates to a kind of LED ad display screen.
Background technology
The features such as that LED has is environment friendly and pollution-free, little power consumption, light efficiency is high, the life-span is long, therefore, LED will become the optimal selection of reducing energy consumption. LED is different from conventional lamp, and LED light source adopts low-voltage DC supply, by GaN based power type blue-ray LED and yellow synthetic efficient white light, has the particular advantages such as efficient, safety, energy-saving and environmental protection, life-span length, fast response time, colour rendering index height. Outer cover can be with making, high temperature resistant 135 degree that reach, low temperature resistant reaching-45 degree.
In the time of the use of ad display screen, good heat radiation is carried out in the caloric requirement that light source produces, make ad display screen there is longer service life, heat sink in the lighting of existing ad display screen adopts tabular or formation sheet, the air permeability relative deficiency of this heat sink, affects the heat radiation of heat sink.
Summary of the invention
The object of this invention is to provide a kind of LED ad display screen, cost is low, and the performance of ventilating of heat sink is better, and radiating effect is more excellent, solves the above-mentioned problems in the prior art.
Technical solution of the present invention is:
A kind of LED ad display screen, comprise screen body, face shield, diffuser, LED light source assembly, heat sink, face shield adopts clear glass or transparent resin to make, one side of face shield is movably connected on screen body, the opposite side of face shield is connected on lamp housing by buckle cam lock or snap close, diffuser is located between face shield and screen body, diffuser and lamp housing are formed with light source chamber, in light source chamber, be provided with LED light source assembly, LED light source assembly comprises substrate and is fixed on the some LED light sources on substrate, substrate is fixed on the one side of heat sink, the another side of heat sink is welded with heat radiation burr, heat radiation burr is taper, the diameter of section of heat radiation burr is reduced to the other end gradually by welding ends, heat sink is sealedly connected on lamp housing, heat sink and lamp housing form heat radiation chamber, heat radiation burr is located in heat radiation chamber.
Further, the spacing of adjacent heat radiation burr is greater than the diameter of section of the burr that dispels the heat, and between adjacent heat radiation burr, is provided with arc convex.
Further, between adjacent heat radiation burr, be provided with heat radiation cluster parachute, the umbrella heat-sink unit that heat radiation cluster parachute is joined successively by some first places forms.
Further, screen body is provided with left ventilating opening, right ventilating opening, and left ventilating opening, right ventilating opening are located at respectively the both sides of heat sink, and left ventilating opening, right ventilating opening are all communicated with heat radiation chamber.
Further, a side of diffuser is movably connected on screen body, and the opposite side of diffuser is connected on screen body by hasp lock, and described screen body is fixed on support.
The invention has the beneficial effects as follows: this kind of LED ad display screen is taper by heat radiation burr is set, and when increasing area of dissipation, improves the performance of ventilating of heat sink, improves radiating effect, thus the service life of effectively improving display screen, and cost is low. And heat radiation burr is arranged in lamp housing, can prevent that external force from causing distortion to wait on heat radiation burr and damaging impact. Between heat radiation burr, arc convex being set can further increase area of dissipation, improves radiating effect. Or between heat radiation burr, heat radiation cluster parachute is set, and can significantly increase area of dissipation, improve radiating efficiency, and cost is lower, is beneficial to production and application.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is that the A of Fig. 1 is to structural representation;
Fig. 3 is the structural representation that embodiment arranges heat radiation burr and heat radiation cluster parachute;
Wherein: 1-shields body, 2-face shield, 3-diffuser, 4-LED light source assembly, 5-heat sink, the 6-burr that dispels the heat, 7-arc convex, the 8-cluster parachute that dispels the heat, the left ventilating opening of 9-, the right ventilating opening of 10-, 11-support.
Detailed description of the invention
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment
A kind of LED ad display screen, comprise screen body 1, face shield 2, diffuser 3, LED light source assembly 4, heat sink 5, as Fig. 1, face shield 2 adopts clear glass or transparent resin to make, one side of face shield 2 is movably connected on screen body 1, the opposite side of face shield 2 is connected on lamp housing by buckle cam lock or snap close, diffuser 3 is located between face shield 2 and screen body 1, diffuser 3 is formed with light source chamber with lamp housing, in light source chamber, be provided with LED light source assembly 4, LED light source assembly 4 comprises substrate and is fixed on the some LED light sources on substrate, substrate is fixed on the one side of heat sink 5, the another side of heat sink 5 is welded with heat radiation burr 6, heat radiation burr 6 is taper, the diameter of section of heat radiation burr 6 is reduced to the other end gradually by welding ends, heat sink 5 is sealedly connected on lamp housing, heat sink 5 forms heat radiation chamber with lamp housing, heat radiation burr 6 is located in heat radiation chamber. the spacing of adjacent heat radiation burr 6 is greater than the diameter of section of the burr 6 that dispels the heat, and 6 of adjacent heat radiation burrs are provided with arc convex 7. screen body 1 is provided with left ventilating opening 9, right ventilating opening 10, and left ventilating opening 9, right ventilating opening 10 are located at respectively the both sides of heat sink 5, and left ventilating opening 9, right ventilating opening 10 are all communicated with heat radiation chamber.
By heat radiation burr 6 being set for taper, when increasing area of dissipation, improve the performance of ventilating of heat sink 5, improve radiating effect, thus the service life of effectively improving display screen, and cost is low. And heat radiation burr 6 is arranged in lamp housing, can prevent that external force from causing distortion to wait on heat radiation burr 6 and damaging impact. At 6 of burrs of heat radiation, arc convex 7 being set can further increase area of dissipation, improves radiating effect.
Left ventilating opening 9, right ventilating opening 10 are all communicated with heat radiation chamber, as Fig. 2, can make outside air directly carry out heat exchange with the heat radiation burr 6 in heat radiation chamber with arc convex 7 by left ventilating opening 9, right ventilating opening 10, thereby accelerate heat exchanger effectiveness, promote heat radiation. The opening of left ventilating opening 9, right ventilating opening 10 is towards preferably downwards, reduces or remits extraneous dust etc. and enters.
Another embodiment and above-described embodiment are basic identical, different: 6 of adjacent heat radiation burrs are provided with heat radiation cluster parachute 8, and as Fig. 2, the umbrella heat-sink unit that heat radiation cluster parachute 8 is joined successively by some first places forms. At 6 of burrs of heat radiation, heat radiation cluster parachute 8 is set, can significantly increases area of dissipation, improve radiating efficiency, and cost is lower, is beneficial to production and application.
In addition, heat radiation burr 6, heat radiation cluster parachute 8, arc convex 7 can insert row on heat sink 5, make area of dissipation reach optimum. One side of diffuser 3 is movably connected on screen body 1, and the opposite side of diffuser 3 is connected on screen body 1 by hasp lock, is easy to open diffuser 3 LED light source assembly 4 is carried out to maintain and replace. Screen body 1 is fixed on support 11.
Claims (3)
1. a LED ad display screen, it is characterized in that: comprise screen body, face shield, diffuser, LED light source assembly, heat sink, face shield adopts clear glass or transparent resin to make, one side of face shield is movably connected on screen body, the opposite side of face shield is connected on lamp housing by buckle cam lock or snap close, diffuser is located between face shield and screen body, diffuser and lamp housing are formed with light source chamber, in light source chamber, be provided with LED light source assembly, LED light source assembly comprises substrate and is fixed on the some LED light sources on substrate, substrate is fixed on the one side of heat sink, the another side of heat sink is welded with heat radiation burr, heat radiation burr is taper, the diameter of section of heat radiation burr is reduced to the other end gradually by welding ends, heat sink is sealedly connected on lamp housing, heat sink and lamp housing form heat radiation chamber, heat radiation burr is located in heat radiation chamber, the spacing of adjacent heat radiation burr is greater than the diameter of section of the burr that dispels the heat, and between adjacent heat radiation burr, is provided with arc convex, between adjacent heat radiation burr, be provided with heat radiation cluster parachute, the umbrella heat-sink unit that heat radiation cluster parachute is joined successively by some first places forms.
2. LED ad display screen as claimed in claim 1, is characterized in that: screen body is provided with left ventilating opening, right ventilating opening, and left ventilating opening, right ventilating opening are located at respectively the both sides of heat sink, and left ventilating opening, right ventilating opening are all communicated with heat radiation chamber.
3. LED ad display screen as claimed in claim 2, is characterized in that: a side of diffuser is movably connected on screen body, and the opposite side of diffuser is connected on screen body by hasp lock, and described screen body is fixed on support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484876.8A CN104269114B (en) | 2014-09-22 | 2014-09-22 | LED ad display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484876.8A CN104269114B (en) | 2014-09-22 | 2014-09-22 | LED ad display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104269114A CN104269114A (en) | 2015-01-07 |
| CN104269114B true CN104269114B (en) | 2016-05-04 |
Family
ID=52160630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410484876.8A Expired - Fee Related CN104269114B (en) | 2014-09-22 | 2014-09-22 | LED ad display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104269114B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978903A (en) * | 2015-06-26 | 2015-10-14 | 繁昌县江林广告设计制作有限公司 | LED display screen used outdoors |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM291061U (en) * | 2000-07-26 | 2006-05-21 | Agon Tech Corp | Improved structure of signboard |
| CN201355535Y (en) * | 2008-12-15 | 2009-12-02 | 康佳集团股份有限公司 | LED display screen box body |
| CN201396725Y (en) * | 2009-06-09 | 2010-02-03 | 陈建胜 | Fin type radiator |
| CN201584120U (en) * | 2009-08-11 | 2010-09-15 | 吴廷达 | Taxicab LED display screen plastic panel |
| CN201449702U (en) * | 2009-09-01 | 2010-05-05 | 西安青松科技股份有限公司 | Totally-enclosed ultrathin LED display screen module capable of radiating |
| CN101655204B (en) * | 2009-09-16 | 2012-06-27 | 山东魏仕照明科技有限公司 | LED wall lamp |
| CN201576411U (en) * | 2009-12-11 | 2010-09-08 | 深圳雷曼光电科技股份有限公司 | Box body and led display module |
| CN102510702A (en) * | 2011-09-29 | 2012-06-20 | 美铝公司 | Radiator for electronic or electric products and manufacturing method thereof |
| CN204102496U (en) * | 2014-09-22 | 2015-01-14 | 苏州承源光电科技有限公司 | LED ad display screen |
-
2014
- 2014-09-22 CN CN201410484876.8A patent/CN104269114B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104269114A (en) | 2015-01-07 |
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Granted publication date: 20160504 Termination date: 20180922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |