CN201364711Y - LED outdoor lattice screen - Google Patents
LED outdoor lattice screen Download PDFInfo
- Publication number
- CN201364711Y CN201364711Y CNU2009201357453U CN200920135745U CN201364711Y CN 201364711 Y CN201364711 Y CN 201364711Y CN U2009201357453 U CNU2009201357453 U CN U2009201357453U CN 200920135745 U CN200920135745 U CN 200920135745U CN 201364711 Y CN201364711 Y CN 201364711Y
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- led
- pcb board
- groove
- light emitting
- luminescence unit
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Abstract
The utility model discloses an LED outdoor lattice screen which comprises a frame, a shell, at least one PCB, at least one LED light-emitting unit and a control device, wherein the control device is arranged on the frame, and the shell is positioned outside the frame; the PCB is provided with the at least one LED light-emitting unit, a decorative lighting control device used for controlling the LED light-emitting unit to emit light, at least one positive power circuit, at least one negative power circuit and at least one signal control circuit; all the LED light-emitting units are connected with each other by the at least one signal control circuit, the one positive power circuit and the negative power circuit; all the PCBs are arranged on the frame, and an LED light-emitting plane is formed at one side of the PCB by the LED light-emitting unit; a groove is arranged at the inner edge of the frame and used for fixing the PCBs so as to form an LED screen.
Description
Technical field
The utility model relates to a kind of lighting device, relates in particular to the outdoor dot matrix screen of a kind of LED.
Background technology
The LED screen has become the sign of urban information modernization construction as a kind of important means of information propagation.Along with socioeconomic continuous progress, and the LED display technique is constantly perfect, and people will more and more go deep into the understanding of LED display, and its application will be more and more wider.
In the existing LED dot matrix screen, common great majority are used for indoor, because existing LED dot matrix screen waterproof effect and shaded effect are bad, are very easy to short circuit or damage, have brought inconvenience to the user in the process of using LED display.Therefore, there is defective in prior art, needs to improve.
The utility model content
The utility model provides the outdoor dot matrix screen body of a kind of LED new technical scheme.
The technical solution of the utility model is as follows:
The outdoor dot matrix screen of a kind of LED comprises framework, shell, at least one pcb board, at least one LED luminescence unit, at least one control device,
Wherein said control device is arranged on the framework, and described shell is arranged on the outside of described framework;
At least one LED luminescence unit and the luminous lamp decoration control device of this LED luminescence unit of control are set on the described pcb board,
At least one cathode power supply circuit, at least one negative power supply circuit, at least one signal controlling circuit also are set on the described pcb board,
Be connected with a power cathode circuit by at least one signal controlling circuit, a positive source circuit between each LED luminescence unit;
Described LED luminescence unit comprises at least one light emitting diode and at least one control chip;
Each pcb board is arranged and is arranged on the described framework, and each LED luminescence unit forms a LED exiting surface in a side of described pcb board;
The interior edge of described framework is provided with groove, is used for fixing described pcb board, is used for forming the LED screen.
The outdoor dot matrix screen of described LED, described pcb board comprises first side, second side, first side, second side.
The outdoor dot matrix screen of described LED, each LED luminescence unit is separately positioned on first side and second side of a pcb board, and described first side and described second parallel sided are oppositely arranged.
The outdoor dot matrix screen of described LED is respectively arranged with continuous groove on described first side and described second side, and each LED luminescence unit is separately positioned in each groove.
The outdoor dot matrix screen of described LED, described LED luminescence unit is the adopting surface mounted LED light emitting diode, be respectively arranged with continuous groove on second side of first side of described pcb board, described pcb board, described adopting surface mounted LED light emitting diode is horizontally installed in the groove of first side, and described adopting surface mounted LED light emitting diode vertically is arranged in the groove of second side of described pcb board.
The outdoor dot matrix screen of described LED is respectively arranged with discontinuous groove on described first side, described second side, and described LED light emitting diode is arranged in the groove of described pcb board.
The outdoor dot matrix screen of described LED, described shell is provided with light hole, and the exiting surface of described LED light emitting diode is arranged in the light hole.
The outdoor dot matrix screen of described LED, the position of described light hole and described LED light-emitting diodes pipe jointing is provided with the waterproof plastic cement.
The outdoor dot matrix screen of described LED, described LED luminescence unit comprises four light emitting diodes.
Adopt such scheme, the utility model is provided with light hole by special shell, framework and shell are set, the position of the special combination mode of shell and framework and light hole and described LED light-emitting diodes pipe jointing, be provided with the purpose that the waterproof plastic cement has effectively solved waterproof and shading, made it outstanding substantive distinguishing features; This LED open air dot matrix screen uses, and not only reduces to take up room, reduce to connect loaded down with trivial details, minimizing cost input, has excellent waterproof and shading performance, and succinctly attractive in appearance, esy to use, safe and reliable, thereby obtains better technique effect and economic benefit.
Description of drawings
Fig. 1 is one of the outdoor dot matrix screen of LED structural representation in the utility model;
Fig. 2 is the A-A schematic cross-section of Fig. 1;
Fig. 3 is a pcb board structural representation in the utility model;
Fig. 4 is one of pcb board and LED light-emitting diodes pipe jointing synoptic diagram in the utility model;
Fig. 5 be in the utility model pcb board and LED light-emitting diodes pipe jointing synoptic diagram two;
Fig. 6 is that the outdoor dot matrix of LED shields two of structural representation in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model provides a kind of LED outdoor dot matrix screen, comprises framework 10, shell 20, at least one pcb board, at least one LED luminescence unit, at least one control device,
Wherein said control device is arranged on the framework 10, and described shell 20 is arranged on the outside of described framework 10; The two is combined closely and is used for waterproof;
At least one LED luminescence unit and the luminous lamp decoration control device of this LED luminescence unit of control are set on the described pcb board, at least one cathode power supply circuit 5, at least one negative power supply circuit 6, at least one signal controlling circuit 7 also are set on the described pcb board, are connected with a power-polar curve 6 tunnel by at least one signal controlling circuit 7, a positive source circuit 5 between each LED luminescence unit;
Described LED luminescence unit comprises at least one light emitting diode and at least one control chip;
Each pcb board is installed on the framework 10, and polylith pcb board 9 is arranged in parallel within the groove of framework 10, and each pcb board is arranged and is arranged on the described framework 10, and each LED luminescence unit forms a LED exiting surface in a side of described pcb board;
The interior edge of described framework is provided with groove, is used for fixing described pcb board, is used for forming the LED screen.
One first side 1, one second side 2, a first side 3 and a second side 4 are set on this described pcb board 9; Each LED unit comprises at least one LED light emitting diode 8;
The interior edge of described framework 10 is provided with groove, and the size of groove is provided with draw-in groove less times greater than the cross section of pcb board 9 in the groove, and a side in the cross section of pcb board 9 is provided with buckle, and draw-in groove and buckle pairing are used, and is used for fixing the screen that the described pcb board 9 of polylith forms.Framework 10 up and down wall all be lattice-shaped or mesh-shape, make the unimpeded convection current of air in the machine, be beneficial to the components and parts cooling.
As shown in Figure 2, between the two adjacent pcb boards 9 the shielding interlayer is housed, with filtering each other light wave disturb, keep the sharpness and the degree of stability of display screen.
Because the outdoor dot matrix screen of LED is easy to generate a large amount of heats, if a large amount of heats that produce can not in time shift, can damage electronic component, influences the luminous of light emitting diode 8.In order to overcome above problem, as shown in Figure 4, the 3rd side and the 4th side of each pcb board are provided with circular hole 12, because the pcb board that is provided with height is the same, so the circular hole 12 on each pcb board is almost at straight line, this circular hole 12 not only can heat dissipation ventilation, can also be used to public passage.
Wherein be arranged on each power circuit on the pcb board 9, also can be set to comprise many cathode power supply circuits and many negative power supply circuits, each cathode power supply line is connected with external power supply respectively with each anode power cord, to guarantee the operate as normal of each LED light emitting diode 8 electronic devices and components such as grade in the pcb board 9; Be provided with align more, the negative power supply circuit can be connected with other electronic devices and components with LED light emitting diode 8 respectively, a certainly aligning, when the negative power supply circuit disconnects, do not influencing the operate as normal of other positive and negative electrode power circuits; Also can be with a pair of positive and negative electrode power circuit wherein as main power line, other positive and negative electrode power circuits are as the standby power supply line, power lead has multiple assurance, makes when main power line disconnects, and does not influence the operate as normal of LED light emitting diode 8 and other electronic devices and components.In order to make in the present embodiment LED lamp bar simple in structure, usually, a cathode power supply circuit 5 and a negative power supply circuit 6 only are set.
Be provided with light hole at shell 20 with the position that the LED light emitting diode combines, the exiting surface of described LED light emitting diode is arranged in the light hole, for better waterproof, be provided with the waterproof plastic cement at the position of described light hole and described LED light-emitting diodes pipe jointing.
On the basis of embodiment 1, on first side of pcb board 9 and described second side, be respectively arranged with continuous groove, each LED luminescence unit is separately positioned in each groove, the LED luminescence unit specifically is meant LED light emitting diode 8 in the present embodiment, the size of groove is slightly greater than the size of LED light emitting diode 8, each LED light emitting diode 8 can well-proportionedly be arranged in the groove like this, and makes the exiting surface of light emitting diode 8 neat easily; Pcb board 9 is provided with better fixed L ED light emitting diode 8 of groove.
Normal conditions, first side of pcb board 9 and described second side are all narrow, first side and described second side are called the side of pcb board usually, it is narrower than the 3rd side and described the 4th side of pcb board 9 far away first side and described second side, first side, second side and light emitting diode 8 connected modes have multiple, for example, the pin of light emitting diode 8 is arranged on pcb board 9 homonymies, i.e. first side or second side; The pin of light emitting diode 8 is arranged on pcb board 9 both sides, and promptly first side or second side are provided with a pin respectively; The pin of light emitting diode 8 can also directly insert in the pcb board 9, and above situation is selected different connected modes according to different needs.
As shown in Figure 4, first side 1 at pcb board 9 is provided with continuous recess 13 respectively with described second side 2, in continuous groove 13 the insides adopting surface mounted LED light emitting diode 15 is set, the size of groove 13 is less times greater than adopting surface mounted LED light emitting diode 15, after adopting surface mounted LED light emitting diode 15 is arranged on groove 13, it is very smooth that integral body seems, it is horizontally set that first side that adopting surface mounted LED light emitting diode 15 is arranged on pcb board can be selected, also can consider vertical setting, it is vertical setting that second side that same adopting surface mounted LED light emitting diode 15 is arranged on pcb board can be selected, and also can consider horizontally set.
Because the outdoor dot matrix screen of LED is easy to generate a large amount of heats, if a large amount of heats that produce can not in time shift, can damage electronic component, influences the luminous of light emitting diode 8.In order to overcome above problem, as shown in Figure 5, the 3rd side and the 4th side of each pcb board are provided with square hole 13, because the pcb board that is provided with height is the same, so the square hole 13 on each pcb board is almost at straight line, this square hole 13 not only can heat dissipation ventilation, can also be used to public passage.
According to being respectively arranged with discontinuous groove on described first side of the needs of different designs, described second side, described light emitting diode 8 is arranged in the groove of described pcb board.
Be provided with light hole at shell 20 with the position that the LED light emitting diode combines, the exiting surface of described LED light emitting diode is arranged in the light hole, for better waterproof, be provided with the waterproof plastic cement at the position of described light hole and described LED light-emitting diodes pipe jointing.
As shown in Figure 6, the utility model provides a kind of LED outdoor dot matrix screen, the polylith pcb board 9, the polylith pcb board 9 that comprise a framework 10, shell 20, be installed on the framework 10 are arranged in parallel within the groove of framework 10, a plurality of LED luminescence units are arranged on the polylith pcb board 9, the LED luminescence unit specifically is meant LED light emitting diode 8 in the present embodiment
In framework 10 inside one control device 16 is set also; Two cathode power supply circuits 5, two negative power supply circuits 6 and two signal lines, 7, one first sides, one second side, one the 3rd side and one the 4th side are set on the described pcb board 9;
Each LED unit comprises four LED light emitting diodes 8;
The 3rd side 1 of described pcb board 9 is parallel with described the 4th side 2 and is oppositely arranged, the 3rd side 1 and described the 4th side 2 of described pcb board 9 installed respectively the exiting surface that shield as LED respectively a plurality of light emitting diodes 8 described first sides, described second side is set.
The interior edge of described framework 10 is provided with groove, and the size of groove is provided with draw-in groove less times greater than the cross section of pcb board 9 in the groove, and a side in the cross section of pcb board 9 is provided with buckle, and draw-in groove and buckle pairing are used, and is used for fixing the screen that the described pcb board 9 of polylith forms.Framework 10 up and down wall all be lattice-shaped or mesh-shape, make the unimpeded convection current of air in the machine, be beneficial to the components and parts cooling.Stationary installation 17 between the two adjacent pcb boards 9, with filtering each other light wave disturb, keep the sharpness and the degree of stability of display screen, and increase the firm stable of LED screen.
Wherein be arranged on each power circuit on the pcb board 9, also can be set to comprise many cathode power supply circuits and many negative power supply circuits, each cathode power supply line is connected with external power supply respectively with each anode power cord, to guarantee the operate as normal of each LED light emitting diode 8 electronic devices and components such as grade in the pcb board 9; Be provided with align more, the negative power supply circuit can be connected with other electronic devices and components with LED light emitting diode 8 respectively, a certainly aligning, when the negative power supply circuit disconnects, do not influencing the operate as normal of other positive and negative electrode power circuits; Also can be with a pair of positive and negative electrode power circuit wherein as main power line, other positive and negative electrode power circuits are as the standby power supply line, power lead has multiple assurance, makes when main power line disconnects, and does not influence the operate as normal of LED light emitting diode 8 and other electronic devices and components.In order to make in the present embodiment LED lamp bar simple in structure, usually, a cathode power supply circuit 5 and a negative power supply circuit 6 only are set.
Display effect for the outdoor dot matrix screen of cooperated with LED better also is provided with at least one audio amplifier.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (8)
1, the outdoor dot matrix screen of a kind of LED is characterized in that, comprises framework, shell, at least one pcb board, at least one LED luminescence unit, at least one control device,
Wherein said control device is arranged on the framework, and described shell is arranged on the outside of described framework;
At least one LED luminescence unit and the luminous lamp decoration control device of this LED luminescence unit of control are set on the described pcb board,
At least one cathode power supply circuit, at least one negative power supply circuit, at least one signal controlling circuit also are set on the described pcb board,
Be connected with a power cathode circuit by at least one signal controlling circuit, a positive source circuit between each LED luminescence unit;
Described LED luminescence unit comprises at least one light emitting diode and at least one control chip;
Each pcb board is arranged and is arranged on the described framework, and each LED luminescence unit forms a LED exiting surface in a side of described pcb board;
The interior edge of described framework is provided with groove, is used for fixing described pcb board, is used for forming the LED screen.
2, the outdoor dot matrix screen of LED according to claim 1, its feature is being that described pcb board comprises first side, second side, first side, second side.
3, the outdoor dot matrix screen of LED according to claim 1, its feature be, each LED luminescence unit is provided with described first side or described second side respectively, and described first side and described second parallel sided are oppositely arranged.
4, the outdoor dot matrix screen of LED according to claim 3, its feature be, is respectively arranged with continuous groove on described first side and described second side, and each LED luminescence unit is separately positioned in each groove.
5, the outdoor dot matrix screen of LED according to claim 1, its feature is being, described LED luminescence unit is the adopting surface mounted LED light emitting diode, be respectively arranged with continuous groove on second side of first side of described pcb board, described pcb board, described adopting surface mounted LED light emitting diode is horizontally installed in the groove of first side, and described adopting surface mounted LED light emitting diode vertically is arranged in the groove of second side of described pcb board.
6, the outdoor dot matrix screen of LED according to claim 2, its feature be, is respectively arranged with discontinuous groove on described first side, described second side, and described LED light emitting diode is arranged in the groove of described pcb board.
7, the outdoor dot matrix screen of LED according to claim 1, its feature be, described shell is provided with light hole, and the exiting surface of described LED light emitting diode is arranged in the light hole.
8, the outdoor dot matrix screen of LED according to claim 7, its feature is being that the position of described light hole and described LED light-emitting diodes pipe jointing is provided with the waterproof plastic cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201357453U CN201364711Y (en) | 2009-03-16 | 2009-03-16 | LED outdoor lattice screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201357453U CN201364711Y (en) | 2009-03-16 | 2009-03-16 | LED outdoor lattice screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201364711Y true CN201364711Y (en) | 2009-12-16 |
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ID=41475382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201357453U Expired - Fee Related CN201364711Y (en) | 2009-03-16 | 2009-03-16 | LED outdoor lattice screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201364711Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788886A (en) * | 2012-08-27 | 2012-11-21 | 哈姆林电子(苏州)有限公司 | Connection structure of PCB (printed circuit board) and chip |
| CN104392988A (en) * | 2014-11-28 | 2015-03-04 | 广州光为照明科技有限公司 | Multi-chip integrally packaged LED (Light Emitting Diode) light source module |
-
2009
- 2009-03-16 CN CNU2009201357453U patent/CN201364711Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788886A (en) * | 2012-08-27 | 2012-11-21 | 哈姆林电子(苏州)有限公司 | Connection structure of PCB (printed circuit board) and chip |
| CN104392988A (en) * | 2014-11-28 | 2015-03-04 | 广州光为照明科技有限公司 | Multi-chip integrally packaged LED (Light Emitting Diode) light source module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Cheng Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Yang Cheng Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20140316 |