CN2847422Y

CN2847422Y - Outdoor advertisement board LED lattice light emitting bottom plate

Info

Publication number: CN2847422Y
Application number: CNU2005201183862U
Authority: CN
Inventors: 张军; 张雷杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-08
Filing date: 2005-09-08
Publication date: 2006-12-13
Anticipated expiration: 2015-09-08

Abstract

The utility model relates to an LED dot-matrix light emitting bottom board of an outdoor advertising board, which comprises a controller, a light source and a bottom board, wherein the light source is fixed on the bottom board; the controller is connected with the light source; the light source is a dot-matrix light source which is composed of a plurality of LED point light sources. Each of the point light sources of the dot-matrix light source comprises a full color lamp which is composed of a red LED, a green LED and a blue LED and a single color lamp which is composed of at least one LED, wherein the point light source is uniformly fixed on the bottom board; a plurality of standard bottom boards of dot-matrix units are fixed on a frame work to be formed into a bottom board of an advertising board by split assembly; the dark and light and the color change of each of the dot-matrix units is controlled by the controller to form into a still picture or a movable picture. The utility model has the advantages that an LED replaces a neon lamp which is adopted on the bottom board; the main body still uses the neon lamp or the LED for brightness; the brightness effect is ensured and the manufacturing and operating cost is reduced. The LED light source is combined with the metal bottom board into integration, which is convenient to realize the standard and large-scale production of production lines and the simplification of on-site installation procedures.

Description

Outdoor billboard LED lattice luminous baseboard

Technical field

The utility model relates to a kind of outdoor billboard LED (light emitting diode) lattice luminous baseboard, is the lattice luminous source of a kind of LED of use and as the outdoor advertising board novel features of billboard base plate.

Background technology

At present, the brightening at night of outdoor advertising board comprises dual mode: first kind is to adopt passive lighting system, and the plug-in highlight illumination light source at the billboard edge is not installed light emitting source on billboard; The 2nd, on billboard content body and base plate, neon bulb is installed, realize the brightening at night of billboard.Using neon bulb brightening outdoor advertising board is main mode, though the advantage that the neon bulb brightening has is lucuriant in design, light intensity is high, a large amount of use neon bulbs bring harm more and more obvious.Because neon bulb adopts traditional principle of luminosity that high voltage supply need be provided, it is huge to consume energy, and forms light, electromagnetism and environmental pollution; The control mode complexity, the cost height; The parts manufacturing that neon bulb uses is installed complicated; Parts such as neon bulb are short serviceable life, and maintenance workload is big.And the brightening at night of outdoor advertising board comprises advertisement main body (generally being literal and pattern) and base plate.The neon bulb that the quantity of the neon bulb of installing on the base plate is often used greater than main body is the major part of power consumption.

Summary of the invention

The purpose of this utility model just provides a kind of outdoor billboard LED lattice luminous baseboard, exists power consumption huge to solve existing neon bulb base plate, and easily forms light, electromagnetism and environmental pollution; The control mode complexity, the cost height; The parts manufacturing that neon bulb uses is installed complicated; Parts such as neon bulb are short serviceable life, and the big problem of maintenance workload.

Technical solutions of the utility model are: comprise controller, light source and base plate, light source is fixed on the base plate, controller is connected with light source, it is characterized in that: described light source is the array light source that a plurality of LED pointolites are formed, and the pointolite of this dot matrix can be made up of the monochromatic burner pearl of the panchromatic lamp pearl group of red, green, blue three-color LED or 1 LED at least; Described pointolite is spaced apart and be fixed on the described base plate, is divided into a plurality of somes array elements and is fixed on the framework; Light and shade and colour switching by controller control each point array element constitute static or mobile picture.

Described base plate adopts metal material to make, and processes the recessed light trough of circular arc on this base plate, is provided with the through hole of the LED of crossing point light source at the light trough middle part, and circuit board and the described base plate that LED lamp pearl group is housed is fixed together.

Described base plate adopts metal material to make, and the LED group and the circuit board of described pointolite is installed in the Transparent lamp shade of doornail type, lampshade is embedded in the corresponding circular hole on the described base plate again.

Described LED pointolite evenly distributes, and according to outdoor advertising board riding position, spacing is adjusted between certain limit; The shape of dot matrix can be strip, square, rectangle, regular shape or irregularly shaped.

Described controller is made up of master controller and dot matrix driver, and master controller is by the corresponding communication interface connection of its communication interface and dot matrix driver, this dot matrix driver multi-channel output be connected with described a plurality of somes array elements respectively.

Described master controller mainly is made up of main control computer and described communication interface; Described dot matrix driver also comprises single-chip microcomputer and a plurality of light modulation driving circuit, the distinct interface of single-chip microcomputer is connected with the communication interface of this driver respectively, and be connected with the input end of a plurality of light modulation driving circuits, the output terminal of each light modulation driving circuit is connected with a described LED point array element respectively.

Described light modulation driving circuit comprises light adjusting circuit and driving circuit, and every road output terminal of light adjusting circuit is connected in series mutually by LED lamp pearl homochromy or same position in each pointolite in corresponding every road driving circuit with it and the described some array element; Described light adjusting circuit can adopt the light modulation special IC, also can adopt the dimming function circuit of programming device design; Described driving circuit can adopt integrated power amplifying circuit or discrete amplifying circuit.

The utility model has the advantages that: with the neon bulb that uses on the LED replacement base plate, main body is still used neon bulb or LED brightening, has both guaranteed the effect of brightening, also reduces manufacturing cost and use cost greatly.Be suitable for standardized production, base plate is divided into different specification standards by base plate color, luminous lattice spacing, lamp pearl color to be produced, overcome the trouble of the necessary special neon bulb of each engineering of spectacular sign, metal base plate and accessory, reduce manufacturing cost greatly; Install simply, the installing component of outfit standardization adds standard base plate and standard installation method, overcomes the hard work that neon bulb needs parts such as assembled on site fluorescent tube, fixed support; Safe and low consumption, safe low voltage operating, power consumption is 1/5 of a neon bulb; Control is flexible, and it is low to control cost, and change in pattern is abundant; Durable in use, the led light source life-span can reach 100,000 hours, is 5 times of neon light tube, reduces maintenance cost greatly.

What outdoor billboard brightening at night was used at present is neon bulb and the flood lighting lamp technology that history decades is arranged, and LED is novel energy-conserving, low pressure, the environmental protection light-emitting component that occurs in recent years.The utility model is with the difference that is applied in the LED display of indoor and outdoor at present: a controlled display pixel of independence of LED display is to be made of single LED light lamp pearl; And a controlled display pixel of independence of the present utility model (pointolite) is to form with a plurality of LED that keep certain intervals mutually; LED screen display pixel is to take dynamic scan mode (drive signal that both had been added in the LED pipe only exists certain period, and not having drive signal, the utility model At All Other Times is to take stable state type of drive (drive signal is added on the LED luminotron all the time); Because the utility model is different with the LED display type of drive, for same LED pipe, the utility model LED pipe brightness height; The display control circuit of LED display is with drive principle difference of the present utility model, and the former is by row/column scan principle, and the utility model is to take multistage communications, the principle work of multiple spot static drive.

Description of drawings

Fig. 1 is the general structure synoptic diagram of an embodiment of the present utility model;

Fig. 2 is the example structure synoptic diagram of barcode LED lattice structure of the present utility model;

Fig. 3 is the example structure synoptic diagram of tabular LED lattice structure of the present utility model;

Fig. 4 is the light trough formula fixed sturcture synoptic diagram between pointolite of the present utility model and the base plate;

Fig. 5 is that look up (broken section) of Fig. 4 schemed;

Fig. 6 is the lampshade formula fixed sturcture synoptic diagram between pointolite of the present utility model and the base plate;

Fig. 7 is that look up (broken section) of Fig. 6 schemed;

Fig. 8 is the formation block diagram of controller of the present utility model;

Fig. 9 is the formation block diagram of dot matrix driver of the present utility model;

Figure 10 is the formation block diagram of master controller of the present utility model;

Figure 11 is the circuit diagram of an embodiment of dot matrix driver of the present utility model.

Embodiment

Referring to Fig. 1～Figure 11, the utility model comprises controller C, by array light source and base plate 4 that LED pointolite 1 is formed, and controller C is connected with array light source.The pointolite 1 of forming this array light source comprises: form panchromatic lamp by red, green, blue three-color LED luminotron 11; Or the monochromatic burner of forming by several LED.This pointolite 1 spaced apart being fixed on the described base plate 4, and be divided into a plurality of somes array elements and be fixed on the framework 5.Light and shade and colour switching by controller control each point array element constitute static or mobile picture.

Described base plate 4 adopts metal material (as iron, aluminium) to make, on this base plate 4, process the recessed light trough 12 of circular arc of diameter 30-40cm, be provided with the through hole that passes LED pointolite 11 at light trough 12 middle parts, the circuit board that the group of LED is housed is linked together with described base plate 4.As shown in Figure 4 and Figure 5.

Also described LED pointolite 11 and circuit board can be installed in the Transparent lamp shade 13 of doornail type, again in the corresponding circular hole that lampshade 13 is embedded on the described base plate 4.As shown in Figure 6 and Figure 7.LED of the present utility model selects wide-angle specification lamp pearl (generally choosing straw hat or surface subsides lamp pearl) for use.

Described LED pointolite 1 generally is evenly arranged on the base plate 4, and according to outdoor advertising board riding position, the spacing of adjacent LED pointolite 1 is adjusted between 5cm～12cm.The shape of array light source can be that the some array element parallel interval by a plurality of strips constitutes (as shown in Figure 2), also can be not at interval tabular (rectangle or square as shown in Figure 3), is perhaps selected Else Rule shape or irregularly shaped according to actual needs.

Described controller C is made up of master controller 3 and dot matrix driver 2, wherein dot matrix driver 2 comprises communication interface 24, single-chip microcomputer 22, a plurality of light modulation driving circuit 21 and power supply 23, the distinct interface of single-chip microcomputer 22 is connected with communication interface 24 respectively and the input end of a plurality of light modulation driving circuits 21 connects, the output terminal of each light modulation driving circuit 21 is connected with a described LED point array element respectively, and promptly the LED serial or parallel connection of the same color in the every bit light source 1 (red, green or blue) is in same loop.Light modulation driving circuit 21 is finished LED drive signal pulse-width controlled and drive signal is amplified.The LED light modulation is to realize by the dutycycle of controlling and driving signal (the high and low time ratio of signal).Color matching principle is the light intensity of control red, green, blue LED is brought mixed light at the composition of mixed light a color change.

Master controller 3 mainly is made up of main control computer 32, a plurality of communication interface 31 and power supply 33.Master controller 3 is connected with the communication interface 24 of dot matrix driver 2 by its communication interface 31.Master controller 3 is control dot matrix driver 2 is realized the outdoor billboard base plate by the figure control program of establishment graphic change.

Referring to Figure 11, described light modulation driving circuit 21 comprises light adjusting circuit A and driving circuit B, and every road output terminal of light adjusting circuit A is by the input end connection of corresponding every road driving circuit B with it.Described light adjusting circuit adopts the light modulation special IC, also can adopt the dimming function circuit (as the AT89C2051 integrated circuit) of programming device design.Described driving circuit B adopts integrated power amplifying circuit (as the ULN2803 integrated circuit), also can adopt discrete amplifying circuit.LED lamp pearl homochromy or same position is connected in series mutually in each pointolite in the output terminal of each driving circuit B and the described some array element.The fuse cutout F0 that can connect in each loop prevents that circuit from short circuit occurring and damaging controller.

The utility model uses the LED luminescent device to reduce the energy consumption of outdoor billboard, reduces the pollution of light, electromagnetism and environment that traditional spectacular sign causes; Led light source control voltage is low, use safety; The led light source life-span is long, is several times of neon bulb; LED is easy to control, and it is low to control cost, and conversion is flexible, and light modulation toning is convenient, can display graphics and literal; Can realize monochromatic switch, light modulation and the figure of light emitting source, the variation of literal, also can realize the variation of panchromatic switch, light modulation, variable color or figure, literal.

Base plate 4 is used to carry LED, improves the illumination effect of LED.Monochromatic color or printing pattern that base plate 4 surfaces can cover guarantee the attractive in appearance of outdoor billboard daytime.

The LED luminotron belongs to the low power consuming light source, single lamp pearl power consumption 0.07W.Every square metre of power consumption 5-10 of monochromatic burner watt, every square metre of power consumption of panchromatic lamp is less than 14 watts.Power consumption is with 1/5th of homalographic neon bulb.

Unit in charge of construction makes the outdoor billboard housing as required, installs on the housing to be used for fixing standard crossbeam of the present utility model, then the standard base plate is installed.The LED light emitting source base plate that unites two into one becomes in-site measurement, processing, assembling and is the batch production standardized production.The site operation personnel only can finish installment work by several gib screws.

Claims

1. outdoor billboard LED lattice luminous baseboard, comprise controller, light source and base plate, light source is fixed on the base plate, controller is connected with light source, it is characterized in that: described light source is the array light source that a plurality of LED pointolites are formed, and the pointolite of this dot matrix can be made up of the monochromatic burner pearl of the panchromatic lamp pearl group of red, green, blue three-color LED or 1 LED at least; Described pointolite is spaced apart and be fixed on the described base plate, is divided into a plurality of somes array elements and is fixed on the framework; The output terminal of controller is connected with described each point array element.

2. outdoor billboard LED lattice luminous baseboard according to claim 1, it is characterized in that: described base plate adopts metal material to make, the recessed light trough of processing circular arc on this base plate, be provided with the through hole of the LED of crossing point light source at the light trough middle part, circuit board and the described base plate that LED lamp pearl group is housed is fixed together.

3. outdoor billboard LED lattice luminous baseboard according to claim 1, it is characterized in that: described base plate adopts metal material to make, the LED group and the circuit board of described pointolite are installed in the Transparent lamp shade of doornail type, again lampshade are embedded in the corresponding circular hole on the described base plate.

4. outdoor billboard LED lattice luminous baseboard according to claim 1 is characterized in that: described LED pointolite evenly distributes, and according to outdoor advertising board riding position, spacing is adjusted between certain limit.

5. outdoor billboard LED lattice luminous baseboard according to claim 1, it is characterized in that: described controller is made up of master controller and dot matrix driver, master controller is by the corresponding communication interface connection of its communication interface and dot matrix driver, this dot matrix driver multi-channel output be connected with described a plurality of somes array elements respectively.

6. outdoor billboard LED lattice luminous baseboard according to claim 5 is characterized in that: described master controller mainly is made up of main control computer and described communication interface; Described dot matrix driver also comprises single-chip microcomputer and a plurality of light modulation driving circuit, the distinct interface of single-chip microcomputer is connected with the communication interface of this driver respectively, and be connected with the input end of a plurality of light modulation driving circuits, the output terminal of each light modulation driving circuit is connected with a described LED point array element respectively.

7. outdoor billboard LED lattice luminous baseboard according to claim 6, it is characterized in that: described light modulation driving circuit comprises light adjusting circuit and driving circuit, and every road output terminal of light adjusting circuit is connected in series mutually by LED lamp pearl homochromy or same position in each pointolite in corresponding every road driving circuit with it and the described some array element; Described light adjusting circuit can adopt the light modulation special IC, also can adopt the dimming function circuit of programming device design; Described driving circuit can adopt integrated power amplifying circuit or discrete amplifying circuit.