CN205320454U - Large -scale LED display screen heat dissipation circuit board - Google Patents
Large -scale LED display screen heat dissipation circuit board Download PDFInfo
- Publication number
- CN205320454U CN205320454U CN201620074192.5U CN201620074192U CN205320454U CN 205320454 U CN205320454 U CN 205320454U CN 201620074192 U CN201620074192 U CN 201620074192U CN 205320454 U CN205320454 U CN 205320454U
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- China
- Prior art keywords
- led display
- circuit board
- display screen
- heat
- fan
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- Expired - Fee Related
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model belongs to the technical field of communication and a large -scale LED display screen heat dissipation circuit board is disclosed, including fuselage main part, LED display screen, heat dissipation strip, circuit board, heat dissipation fan, heat sink, the fan that dispels the heat for three numbers, fan, copper foil circuit, signal transmission unit, startup module, CPU, CPU temperature sensing modules and heat dissipation circuit board temperature sensing modules, fuselage main part front side is provided with the LED display screen, the fuselage main part is provided with the heat dissipation strip all around, LED display screen rear side is provided with the circuit board, and installs heat dissipation fan, a heat sink, no. Three heat dissipations, fan on the circuit board four corners. The utility model discloses in exothermal process, not only can be to CPU separate heat sink, can also be to the whole heat dissipations of fuselage main part, can control the inside electronic components's of LED display screen temperature, make it under the work environment condition that the LED display screen was located, no longer than the maximum permissible temperature of regulation, the stable demonstration.
Description
Technical field
The utility model relates to a kind of radiating circuit version, is specifically related to a kind of large LED display screen cooling circuit board, belongs to circuit technical field.
Background technology
Along with the development of society, information propagation pattern upgrades also in renewal step by step, development, by traditional billboard mode, developing to Streaming Media direction, LED electrical sub-screen is erected at square one by one, the places such as roadside, but the increase along with LED electrical sub-screen, heat dissipation problem has occurred.
Work as large LED display screen, long-time work, high temperature can be produced, high temperature can cause the probability of failure of electronic devices and components to strengthen rapidly, thus the reliability causing LED display declines, the temperature of LED display internal electronic component also can raise, and damage rate raises, and affects the use of LED display.
Practical novel content
The technical problems to be solved in the utility model overcomes existing defect, it is provided that a kind of large LED display screen cooling circuit board, it is possible to effectively solve the problem in background technology.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
The utility model provides a kind of large LED display screen cooling circuit board, comprise fuselage main body, LED display, heat radiation bar, circuit card, a heat emission fan, heat sink, No. three heat emission fan, blower fan, copper foil circuit, signal transmission unit, start module, CPU, CPU temperature-sensitive module and cooling circuit board temperature-sensitive module, it is provided with LED display on front side of described fuselage main body, described fuselage main body surrounding is provided with heat radiation bar, after described LED display, side is provided with circuit card, and circuit card corner is provided with a heat emission fan, heat sink, No. three heat emission fan, blower fan, described circuit board surface is provided with copper foil circuit, it is provided with signal transmission unit in the middle part of described circuit card, and it is connected to start on module and CPU by copper foil circuit, on the left of described CPU, downside is provided with CPU temperature-sensitive module, cooling circuit board temperature-sensitive module it is provided with on the upside of described circuit card.
As a kind of optimal technical scheme of the present utility model, described copper foil circuit is provided with close switch.
As a kind of optimal technical scheme of the present utility model, described circuit card is symmetrical about number axis.
As a kind of optimal technical scheme of the present utility model, a described heat emission fan, heat sink and No. three heat emission fan, blower fan are opposing parallel.
As a kind of optimal technical scheme of the present utility model, heat emission fan, heat sink, No. three heat emission fan and blower fan arranged outside have dw.
The useful effect that the utility model reaches is: a kind of large LED display screen cooling circuit board, it is provided with 4 heat emission fan, in radiation processes, CPU can not only be dispelled the heat separately, fuselage main body all can also be dispelled the heat, it is possible to the temperature of control LED display internal electronic component so that it is under the working environment residing for LED display, the maximum permissible temperature being no more than regulation, stabilized presentation.
Accompanying drawing explanation
Accompanying drawing be used to provide to of the present utility model it is further understood that and form the part of specification sheets, be used from explanation the utility model with embodiment one of the present utility model, do not form restriction of the present utility model.
In the accompanying drawings:
Fig. 1 is a kind of large LED display screen cooling circuit board one-piece construction schematic diagram described in the utility model embodiment;
Number in the figure: 1, fuselage main body; 2, LED display; 3, dispel the heat bar; 4, circuit card; 5, a heat emission fan; 6, heat sink; 7, No. three heat emission fan; 8, blower fan; 9, copper foil circuit; 10, signal transmission unit; 11, module is started; 12, CPU; 13, CPU temperature-sensitive module; 14, cooling circuit board temperature-sensitive module.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, it will be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and is not used in restriction the utility model.
Embodiment: refer to Fig. 1, a kind of large LED display screen cooling circuit board of the utility model, comprise fuselage main body 1, LED display 2, heat radiation bar 3, circuit card 4, a heat emission fan 5, heat sink 6, No. three heat emission fan 7, blower fan 8, copper foil circuit 9, signal transmission unit 10, start module 11, CPU12, CPU temperature-sensitive module 13 and cooling circuit board temperature-sensitive module 14, it is provided with LED display 2 on front side of described fuselage main body 1, described fuselage main body 1 surrounding is provided with heat radiation bar 3, after described LED display 2, side is provided with circuit card 4, and circuit card 4 four jiaos is provided with a heat emission fan 5, heat sink 6, No. three heat emission fan 7, blower fan 8, described circuit card 4 surface is provided with copper foil circuit 9, it is provided with signal transmission unit 10 in the middle part of described circuit card 4, and it is connected to start on module 11 and CPU12 by copper foil circuit 9, on the left of described CPU12, downside is provided with CPU temperature-sensitive module 13, cooling circuit board temperature-sensitive module 14 it is provided with on the upside of described circuit card 4.
Described copper foil circuit 9 is provided with close switch, it is to increase the practicality of circuit; Described circuit card 4 is symmetrical about number axis, seems more attractive in appearance, working efficiency height; A described heat emission fan 5, heat sink 6 and No. three heat emission fan 7, blower fan 8 are opposing parallel, heat emission fan is evenly distributed, increases cooling effect; A described heat emission fan 5, heat sink 6, No. three heat emission fan 7 and blower fan 8 arranged outside have dw, ensure the cleaning of heat emission fan, it is to increase the work-ing life of cooling circuit board.
It should be noted that, the utility model is a kind of large LED display screen cooling circuit board, when using this equipment, CPU temperature-sensitive module 13 feels the temperature of CPU12, when temperature is higher than optimal temperature time, No. three heat emission fan 7 automatic operations, when cooling circuit board temperature-sensitive module 14 feels circuit card 4 temperature, when temperature is delivered to signal transmission unit 10 higher than signal when optimal temperature by copper foil circuit 9, control starts module 11 by a heat emission fan 5, heat sink 6, No. three heat emission fan 7 and blower fan 8 are opened simultaneously, dispel the heat, heat emission fan stopping work when proper temperature time.
Finally it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to the utility model, although the utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein part technology feature carries out equivalent replacement. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a large LED display screen cooling circuit board, comprises fuselage main body (1), LED display (2), heat radiation bar (3), circuit card (4), a heat emission fan (5), heat sink (6), No. three heat emission fan (7), blower fan (8), copper foil circuit (9), signal transmission unit (10), start module (11), CPU(12), CPU temperature-sensitive module (13) and cooling circuit board temperature-sensitive module (14), it is characterized in that: described fuselage main body (1) front side is provided with LED display (2), described fuselage main body (1) surrounding is provided with heat radiation bar (3), described LED display (2) is provided with circuit card (4) in side afterwards, and is provided with a heat emission fan (5) on circuit card (4) corner, heat sink (6), No. three heat emission fan (7), blower fan (8), described circuit card (4) surface is provided with copper foil circuit (9), described circuit card (4) middle part is provided with signal transmission unit (10), and by copper foil circuit (9) be connected to start module (11) and CPU(12) on, described CPU(12) left side downside be provided with CPU temperature-sensitive module (13), described circuit card (4) upside be provided with cooling circuit board temperature-sensitive module (14).
2. a kind of large LED display screen cooling circuit board according to claim 1, it is characterised in that, described copper foil circuit (9) is provided with close switch.
3. a kind of large LED display screen cooling circuit board according to claim 1, it is characterised in that, described circuit card (4) is symmetrical about number axis.
4. a kind of large LED display screen cooling circuit board according to claim 1, it is characterised in that, a described heat emission fan (5), heat sink (6) and No. three heat emission fan (7), blower fan (8) are opposing parallel.
5. a kind of large LED display screen cooling circuit board according to claim 1, it is characterised in that, a described heat emission fan (5), heat sink (6), No. three heat emission fan (7) and blower fan (8) arranged outside have dw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074192.5U CN205320454U (en) | 2016-01-26 | 2016-01-26 | Large -scale LED display screen heat dissipation circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620074192.5U CN205320454U (en) | 2016-01-26 | 2016-01-26 | Large -scale LED display screen heat dissipation circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205320454U true CN205320454U (en) | 2016-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620074192.5U Expired - Fee Related CN205320454U (en) | 2016-01-26 | 2016-01-26 | Large -scale LED display screen heat dissipation circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205320454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567262A (en) * | 2017-10-18 | 2018-01-09 | 桂林电子科技大学 | A kind of tourism guiding device with cooling mechanism |
-
2016
- 2016-01-26 CN CN201620074192.5U patent/CN205320454U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567262A (en) * | 2017-10-18 | 2018-01-09 | 桂林电子科技大学 | A kind of tourism guiding device with cooling mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xia Ziguo Inventor before: Chai Junsha |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170216 Address after: Stability of Guangdong province 528451 Zhongshan Nanlang town Kuang Pu mountain plant Patentee after: Zhongshan Yifeng Electronic Co., Ltd. Address before: 311815 Zhejiang city of Shaoxing province Zhuji city Ciwu Town Pavilion Village No. 232 Patentee before: Chai Junsha |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20190126 |