CN201958572U

CN201958572U - LED net array Christmas tree

Info

Publication number: CN201958572U
Application number: CN2010206902887U
Authority: CN
Inventors: 邓文彪; 吉跃华; 罗铁江; 甘林冲; 陶志和; 沈军; 贺武林
Original assignee: Shenzhen Liantronics Co Ltd
Current assignee: Shenzhen Liantronics Co Ltd
Priority date: 2010-12-30
Filing date: 2010-12-30
Publication date: 2011-09-07
Anticipated expiration: 2020-12-30

Abstract

The embodiment of the utility model relates to an LED net array Christmas tree. Line choosing controllers are connected with a plurality of lines of LED lamp strings which form the LED net array, a signal processing controller converters the playing content into control signals of the line choosing controller corresponding to each line of LED lamp string, therefore, according to the control signal, single-point independent display control on the LED node structure of each line of LED lamp string is realized according to the control signal , and the LED net array formed by the LED lamp strings has complicated display effect and satisfies various needs of a user.

Description

LED net battle array Christmas tree

Technical field

The utility model relates to the LED field, relates in particular to a kind of LED net battle array Christmas tree.

Background technology

(people have made various various products with it for Light Emitting Diode, extensive use LED) along with Light-Emitting Diode.In the LED view, often can use monochrome or colored LED lamp string, these LED lamp strings can only be realized the Chang Liang that switches on, and can only realize whole change color, and such LED lamp string can't show complicated literal, image or video, and display effect is relatively more dull.

The utility model content

The utility model embodiment technical problem to be solved is, a kind of LED net battle array Christmas tree is provided, can realize single-point control to each row LED lamp string, make LED node structure turn colors separately on each LED lamp string, so that LED lamp string has complicated display effect, satisfy user's diversity demand.

For solving the problems of the technologies described above, a kind of LED net battle array Christmas tree is provided, comprise the LED lamp string that is arranged in the Christmas tree moulding, the capable selection control that links to each other with described LED lamp string, and link to each other with described capable selection control, be used for play content is converted into the signal processing controller that the control signal of corresponding each the row LED lamp string of described capable selection control is play, the pyramidal structure of LED lamp string formation Christmas tree moulding.

Further, described LED lamp string comprises power line, holding wire, and by the continuous successively some LED node structures of described power line, holding wire, described LED node structure comprises circuit board, be arranged at the LED on the described circuit board and have the driving chip of absolute address, and described driving chip comprises the signal pins that the LED that is connected with LED drives pin and links to each other with described holding wire.

Further, outer injection mo(u)lding one shell of described circuit board, described shell are provided with away from the power line two ends and are used for the lamp pearl cableties ring that is connected and fixed between the LED node structures.

Further, described signal processing controller comprises:

Be used to store the memory module of described play content;

Be used for the broadcast of described play content is carried out regularly or the real-time clock module of controlling in real time;

Be used for the described control signal of described play content conversion gained is outputed to first output module of described capable selection control;

First power module;

The main MCU module that links to each other with described memory module, real-time clock module, first output module and first power module respectively.

Further, described signal processing controller also comprises:

Link to each other with described main MCU module, be used for upper machine communication to obtain the communication module of described play content.

Further, described communication module comprises:

Be used for RS485 interface with described upper machine communication;

The RS485 coding/decoding module that links to each other with described RS485 interface and main MCU module respectively, described play content is carried out signal format conversion,

Described first output module comprises:

The output buffer module that links to each other with described main MCU module, be used to export buffering control;

Respectively with described output buffer module and the output interface that links to each other of row selection control.

Further, described memory module is SD card memory module, mmc card memory module or USB memory module.

Further, described capable selection control comprises:

Link to each other with described signal processing controller or the capable selection control of upper level and be used to receive the input module of described control signal;

Link to each other with capable selection control of next stage or LED lamp string and be used to send second output module of described control signal;

The second source module;

The programmable gate array module that links to each other with described input module, second output module and second source module respectively.

Further, described second output module comprises:

The lamp string output module that links to each other with described programmable gate array module and LED lamp string respectively;

The row that links to each other with described programmable gate array module and next stage row selector selects the device output module respectively.

Further, described LED lamp string is shaped as plane net battle array or taper net battle array.

Technique scheme has following beneficial effect at least:

By a kind of LED net battle array Christmas tree is provided, the row selection control is connected with the LED lamp string that multirow is formed LED net battle array jointly and is arranged in the Christmas tree moulding, signal processing controller is converted into play content the control signal of corresponding each the row LED lamp string of capable selection control, like this, can realize the LED node structure of each row LED lamp string being carried out the control of single-point independent displaying according to control signal, thereby realize that the LED net battle array of being made up of LED lamp string has complicated display effect, has satisfied user's diversity demand.

Description of drawings

Fig. 1 is the structure chart that the LED of the utility model embodiment nets the LED control system in the battle array Christmas tree.

Fig. 2 is the structure chart that the LED of the utility model embodiment nets the signal processing controller 5 in the battle array Christmas tree.

Fig. 3 is the structure chart that the LED of the utility model embodiment nets the capable selection control in the battle array Christmas tree.

Fig. 4 is the structure chart that the LED of the utility model embodiment nets the LED lamp string in the battle array Christmas tree.

Fig. 5 is the structure chart that the LED of the utility model embodiment nets the LED node structure 34 in the battle array Christmas tree.

Fig. 6 is the structure chart that the LED node structure 34 in the LED net battle array Christmas tree of the utility model embodiment removes decapsidate 37.

The specific embodiment

The utility model embodiment provides a kind of LED net battle array Christmas tree, it comprises the some LED lamp string of Christmas tree moulding and LED control systems as shown in Figure 1 of being arranged in, the LED control system comprises the first row selection control 1 that links to each other with LED lamp string 1-8, the second row selection control 2 that links to each other with LED lamp string 9-16, the third line selection control 3 that links to each other with LED lamp string 17-24, the fourth line selection control 4 that links to each other with LED lamp string 25-32, and the signal processing controller 5 that links to each other with the first row selection control 1, the first row selection control 1, the second row selection control 2, the third line selection control 3 and fourth line selection control 4 cascade successively, LED lamp string 1-32 forms the pyramidal structure of Christmas tree moulding;

As shown in Figure 4, above-mentioned LED lamp string comprises the power line 32 that is wrapped in the plastic coated wire cover 31, holding wire 33, and by power line 32, holding wire 33, and by power line 32, some LED node structures 34 that holding wire 33 links to each other successively, LED node structure 34 can be as Fig. 2, shown in Figure 3, LED node structure 34 comprises circuit board 35, be arranged at the LED36 on circuit board 35 1 side surfaces, and be arranged at the lip-deep driving chip (not shown) of circuit board 35 opposite sides with absolute address, drive chip and comprise LED driving pin that is connected with LED36 and the signal pins that links to each other with holding wire 33.

Particularly, LED36 can be the red, green, blue three-primary color LED, drives chip and includes positive and negative two power pins, two signal pins of input and output and three LED driving pins that connect LED36 respectively; Driving chip both sides connect Data In-Line and the DOL Data Output Line as holding wire respectively; After circuit board 35 has welded LED36 and has driven chip, by power line 32 each LED node structure 34 is welded in succession again, form LED lamp string; In addition, circuit board 35 outer injection mo(u)lding one shells 37, shell 37 makes internal circuit board 35 be protected, and allows LED lamp string have the profile that is suitable for the LED view attractive in appearance simultaneously; And shell 37 is provided with away from power line 32 two ends and is used for the lamp pearl cableties ring 38 that is connected and fixed 34 of LED node structures, like this, LED node structure 34 on the left and right directions can overlap 31 by plastic coated wire and be connected and fixed, and the LED node structure 34 on the above-below direction can be connected and fixed by glue rope and cooperating of lamp pearl cableties ring 38, thereby all LED lamps were ganged up the layout of a definite form, and shape can be plane net battle array or taper net battle array or spherical net battle array etc.; And pass through epoxy encapsulation at the respective regions of LED36, play the effect of good printing opacity and protection LED, and be applicable to the outdoor LED view.

During concrete work, after the power supply that connects LED lamp string and Signal plug and energising, the driving chip is started working, it receives the serial signal of self-controller by signal pins, be applied on three LED driving pins being transformed into driving voltage after its decoding, LED36 then realizes light on and off according to this driving voltage.

LED lamp string is as the output of row selection control, and different LED lamp strings can be connected in series the LED node structure of varying number or equal number, and each LED node structure can comprise a LED, forms plane net battle array or taper net battle array or other shapes; Signal processor 5 mainly is converted into play content (as picture or video etc.) control signal of corresponding each the row LED lamp string of capable selection control and plays, concrete, play content can be the rgb format data, each row video data that signal processor 5 takes out play content sends to each row selection control, each row selection control is after receiving video data, the video data that takes out its corresponding row sends to the driving chip of LED lamp string, after the video data of each row sends to the position, signal processor 5 can send a latch signal makes the driving chip of LED lamp string produce the action of lighting or extinguishing, like this, a two field picture of picture or video will appear on the net battle array of being made up of LED lamp string, play content for video class, because each two field picture replaces speed and is exceedingly fast, thereby the picture effect on the net battle array also upgrades at a terrific speed, like this, people just can see continuous video effect.

Above-mentioned signal processing controller 5 can comprise structure as shown in Figure 2: as SD card memory module 6, real-time clock module 7, first output module 8, first power module 9, communication module 10 and the main MCU module 11 of memory module, SD card memory module 6, real-time clock module 7, first output module 8, first power module 9, communication module 10 all link to each other with main MCU module 11, wherein:

Communication module 10 is used for host computer (computer etc.) communication and obtains play content, it is the link block of host computer and LED control system, it realizes the reception and the transmission of signal under the timesharing control of main MCU module 11, thereby the communication between realization and the host computer, communication module 10 mainly can comprise:

RS485 interface 12, it is used for and upper machine communication, particularly, the RS485 interface is installed on the host computer, and communication module 10 obtains the RS485 signal that host computer transmits by RS485 interface 12;

RS485 coding/decoding module 13 links to each other with RS485 interface 12 and main MCU module 11 respectively, and it is mainly used in play content is carried out the signal format conversion, for example the RS485 signal is converted to UART signal etc.;

SD card memory module 6, it is set up communication and is connected between main MCU11 and SD card, its file system that is formatted as FAT16 is to be used to store play content, play content can comprise playlist and picture lattice information, when need adjusting play content, host computer can select " biography program " function that playlist and picture lattice information are updated to SD card memory module 6 in the signal processing controller 5 at the PC control interface, SD card memory module 6 can adopt the SPI mode of operation, is convenient to the reading and writing data of main MCU11 and SD card;

Real-time clock module 7, it is used for timing or control are in real time carried out in the broadcast of play content, and it is embedded RTC circuit allows main MCU11 can select the picture lattice information of broadcast program list correspondence according to the current time, is convenient to regularly and in real time play;

First output module 8 is used for that the control signal that play content transforms gained is outputed to capable selection control 1, the first output module 8 and mainly can comprises:

Output buffer module 14, it links to each other with main MCU11, is used to export buffering control, as the link block of signal processing controller 5 with row selection control 1, is mainly the I/O interface of the main MCU of protection and strengthens the signal driving force;

Output interface 15, it links to each other with output buffer module 14 and row selection control 1 respectively;

First power module 9 mainly comprises first power interface 16 and a 3V/5V power-supply system 17, first power interface 16 comprises 5V direct current input interface and 5V direct current output interface, the one 3V/5V power-supply system 17 converts the 5V direct current to 3.3V and offers main MCU module 11, SD card memory module 6, first output module 8 etc., and 5V direct current output interface directly provides 5V to offer capable selection control 1;

Main MCU11 is the core of signal processing controller 5, adopts single-chip microcomputer or other controllers to realize.

And above line selection control 1-4 can comprise structure as shown in Figure 3: input module 18, second output module, second source module 20 and programmable gate array module 21, input module 18, second output module, second source module 20 all link to each other with programmable gate array module 21, wherein:

Input module 18, it links to each other with signal processing controller 5 or the capable selection control of upper level, be used for the control signal of direct received signal processing controller 5 or the control signal of transmitting by the capable selection control of upper level, input module 18 can comprise input interface 22 and input buffer 23, is mainly the I/O interface and the input signal shaping of protection programmable gate array module 21;

Second output module links to each other with capable selection control of next stage or LED lamp string, is used to send control signals to capable selection control of next stage or LED lamp string, and particularly, second output module 19 can comprise:

Lamp string output module 19, it links to each other with programmable gate array module 21 and LED lamp string respectively, can comprise lamp string output interface 24 and lamp string output buffer module 25 in this lamp string output module 19, lamp string output buffer module 25 is mainly the I/O interface of the main MCU11 of protection and strengthens the signal driving force;

Row selects device output module 26, it links to each other with programmable gate array module 21 and next stage row selector respectively, it can comprise that mainly row selects device output interface 27 and row to select device output buffer module 28, and row selects device output buffer module 28 to be mainly the I/O interface and the output signal shaping of protection programmable gate array module 21 and strengthens the signal driving force;

Second source module 20 mainly comprises second source interface 29 and the 2nd 3V/5V power-supply system 30, second source interface 29 comprises 5V direct current input interface and 5V direct current output interface, the 2nd 3V/5V power-supply system 17 converts the 5V direct current to 3.3V and 1.2V offers programmable gate array module 21, input module 18, second output module etc., and 5V direct current output interface directly provides 5V to offer the capable selection control of next stage;

Programmable gate array module 21 is the core of row selection control, the signal of its received signal processing controller 5 or the capable selection control of upper level, and by inner logical operation, the control data of the LED lamp string that this machine of obtaining needs, send to lamp string output module 19, thereby each LED node structure of driving LED lamp string is lighted or is extinguished, and can select device output module 26 to be transferred to the capable selection control of next stage by row data.

Need to prove:

1, the LED lamp pearl of the utility model embodiment shown in Fig. 4 only comprises 2 LED node structures 34, certainly, can comprise a plurality of LED node structures 34 when specific implementation, as 36,9 or the like;

2, under the condition that interface quantity satisfies, each row selection control all can directly link to each other with signal processing controller, thereby does not need the cascade successively of row selection control;

3, according to the net battle array shape difference that requires, each row selection control connects LED lamp string quantity can be identical or different;

4, because the flexible one-tenth difformity of LED lamp string, therefore institute forms to net and gust can be not limited only to above-mentioned plane net battle array or taper net battle array (as the Christmas tree moulding);

5, SD card memory module can also substitute with other memory modules, as mmc card memory module or USB memory module etc.;

6, communication module is optional module, when not needing to carry out play content when upgrading by host computer, can only stick into the renewal and the storage of capable play content by SD.

The above is the specific embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.

Claims

1. a LED nets the battle array Christmas tree, it is characterized in that, comprise the LED lamp string that is arranged in the Christmas tree moulding, the capable selection control that links to each other with described LED lamp string, and link to each other with described capable selection control, be used for play content is converted into the signal processing controller that the control signal of corresponding each the capable LED lamp string of described capable selection control is play.

2. LED net battle array Christmas tree as claimed in claim 1, it is characterized in that, described LED lamp string comprises power line, holding wire, and by the continuous successively some LED node structures of described power line, holding wire, described LED node structure comprises circuit board, be arranged at the LED on the described circuit board and have the driving chip of absolute address, and described driving chip comprises the signal pins that the LED that is connected with LED drives pin and links to each other with described holding wire.

3. a LED as claimed in claim 2 net battle array Christmas tree is characterized in that, outer injection mo(u)lding one shell of described circuit board, described shell are provided with away from the power line two ends and are used for the lamp pearl cableties ring that is connected and fixed between the LED node structure.

4. LED net battle array Christmas tree as claimed in claim 1 is characterized in that described signal processing controller comprises:

Be used to store the memory module of described play content;

First power module;

5. LED net battle array Christmas tree as claimed in claim 4 is characterized in that described signal processing controller also comprises:

6. LED net battle array Christmas tree as claimed in claim 5 is characterized in that described communication module comprises:

Be used for RS485 interface with described upper machine communication;

Described first output module comprises:

7. as each described LED net battle array Christmas tree in the claim 4 to 6, it is characterized in that described memory module is SD card memory module, mmc card memory module or USB memory module.

8. LED net battle array Christmas tree as claimed in claim 1 is characterized in that described capable selection control comprises:

The second source module;

9. LED net battle array Christmas tree as claimed in claim 8 is characterized in that described second output module comprises:

10. a LED as claimed in claim 1 net battle array Christmas tree is characterized in that, described LED lamp string be shaped as plane net battle array or taper net battle array.