CN215187480U

CN215187480U - Intelligent full-color lamp panel spliced at will

Info

Publication number: CN215187480U
Application number: CN202121307671.4U
Authority: CN
Inventors: 申剑军; 陶玉柱; 谭龙; 郑鸿
Original assignee: Shenzhen Witop Technology Co ltd
Current assignee: Shenzhen Witop Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-14
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to a full-color lamp plate of intelligence of splicing at will, including polygon lamp plate, LED lamp plate, PCB drive plate and power module install respectively on the polygon lamp plate, and the PCB drive plate is connected with the LED lamp plate, and PCB drive plate and LED lamp plate are connected with power module respectively; the PCB driving board comprises an LED driving control chip, a current-limiting resistor R1, a decoupling capacitor C1 and a filter capacitor C2, wherein the first end of the current-limiting resistor R1 and the first end of the filter capacitor C2 are respectively connected with the voltage output end of the power module, the second end of the current-limiting resistor R1 is respectively connected with the first end of the decoupling capacitor C1 and the VDD end of the LED driving control chip, and the second end of the decoupling capacitor C1 and the second end of the filter capacitor C2 are respectively grounded; through the utility model, the problems that the existing LED modules can not be freely spliced and are inconvenient to install and disassemble and the like are solved; the uniformity of the brightness and the chromaticity of the lamp panel is improved, and the Di and Do can provide control signals for the lamp panel by the aid of the driving IC with bidirectional transmission.

Description

Intelligent full-color lamp panel spliced at will

Technical Field

The utility model relates to a LED technical field, in particular to full-color lamp plate of intelligence of splicing at will.

Background

With the modular development of LED illumination, the LED light-emitting module is used for splicing various signboards LOGO such as characters, figures and patterns, and is widely applied to the fields such as advertising signboards, stadiums and company LOGO. With the fact that the LED bidirectional driving technology is mature, the modularized lighting is widely applied to various occasions such as conference rooms, exhibition halls, company signboards, home lighting and the like. The conventional LED illumination mainly comprises a strip shape or a point shape, so that the LED illumination is monotonous in color, dazzling, not soft in tone and inconvenient to mount and dismount.

The LED module is not single enough in lighting tone, and the traditional modularized lighting is inconvenient to install and cannot meet the application requirements of users.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, providing the full-color lamp plate of intelligence of splicing at will, solving current LED module illumination concatenation technique, module illumination luminance and tone are single, and display effect is dull, and inconvenient scheduling problem is dismantled in the installation.

A randomly spliced intelligent full-color lamp panel comprises a polygonal lamp panel, an LED lamp panel, a PCB (printed Circuit Board) driver board and a power module, wherein the LED lamp panel, the PCB driver board and the power module are respectively installed on the polygonal lamp panel, the PCB driver board is connected with the LED lamp panel, and the PCB driver board and the LED lamp panel are respectively connected with the power module; the PCB drive board includes LED drive control chip, current-limiting resistor R1, decoupling zero electric capacity C1 and filter capacitor C2, the first end of current-limiting resistor R1 and the first end of filter capacitor C2 are connected with power module voltage output end respectively, current-limiting resistor R1 second end is connected with decoupling zero electric capacity C1 first end and LED drive control chip VDD end respectively, decoupling zero electric capacity C1 second end and filter capacitor C2 second end ground connection respectively.

Further, the decoupling capacitor C1 is a 100nF capacitor; the filter capacitor C2 is a 0.1uF-10uF capacitor.

Further, the PCB driving board further includes three connection terminals HDR1x 4; the REXT end of the LED drive control chip is grounded through a resistor, the DAI end of the LED drive control chip is respectively connected with the third ends of the three wiring terminals HDR1x4 through resistors, the DAO end of the LED drive control chip is respectively connected with the fourth ends of the three wiring terminals HDR1x4 through resistors, and the GND end of the LED drive control chip is grounded; the second ends of the three connection terminals HDR1x4 are respectively grounded, and the first ends of the three connection terminals HDR1x4 are respectively connected to the voltage output end of the power module.

Furthermore, the LED lamp panel is composed of a plurality of vertically arranged RGB modules; the RGB module is formed by sequentially connecting N RGB lamp beads in series, wherein N is more than or equal to 2; the first side of the RGB lamp bead comprises an R anode, a G anode and a B anode, and the second side of the RGB lamp bead comprises an R cathode, a G cathode and a B cathode; the R anode, the G anode and the B anode of a first RGB lamp bead in the RGB module are respectively connected with a voltage output end of the power supply module, the R cathode of an i-1 th RGB lamp bead is connected with the R anode of the i-th RGB lamp bead, the G cathode of the i-1 th RGB lamp bead is connected with the G anode of the i-th RGB lamp bead, the B cathode of the i-1 th RGB lamp bead is connected with the B anode of the i-th RGB lamp bead, and i is 2 and 3 … N; the R negative pole of the Nth RGB lamp bead is connected with the R end of the LED drive control chip through three resistors connected in series, the G negative pole of the Nth RGB lamp bead is connected with the G end of the LED drive control chip through two resistors connected in series, and the B negative pole of the Nth RGB lamp bead is connected with the R end of the LED drive control chip through two resistors connected in series.

Further, the LED driving control chip is a bidirectional transmission control chip.

Furthermore, the RGB lamp beads are SMD-RGB lamp beads.

Further, the polygonal lamp panel is an FR4 panel.

The utility model has the advantages that: the PCB drive plate is controlled the LED lamp plate, the LED lamp plate comprises a plurality of vertical RGB modules of arranging, and the RGB module comprises N RGB lamp pearl series connection in proper order, has improved the uniformity of the luminance and the colourity of the full-color lamp plate of intelligence concatenation, and the PCB drive plate is by two-way transmission's drive IC, realizes that Di and Do all can supply the signal to get into, promotes user installation effectiveness greatly, and arbitrary lamp plate can all provide signal input.

Drawings

Fig. 1 is the utility model relates to a full-color lamp plate circuit structure schematic diagram of intelligence of splicing at will.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

The first embodiment is as follows:

as shown in fig. 1, a full-color lamp plate of intelligence of splicing at will, including polygon lamp plate, LED lamp plate, PCB drive plate and power module install respectively on the polygon lamp plate, and the PCB drive plate is connected with the LED lamp plate, and the PCB drive plate provides drive signal for the LED lamp plate, has improved the uniformity of the luminance and the colourity of the full-color lamp plate of intelligence concatenation. And the power supply module is respectively connected with the PCB driver board and the LED lamp panel and provides voltage for the PCB driver board and the LED lamp panel.

The PCB driving board comprises an LED driving control chip, a current-limiting resistor R1, a decoupling capacitor C1 and a filter capacitor C2, a first end of the current-limiting resistor R1 and a first end of the filter capacitor C2 are respectively connected with a voltage output end of a power module, a second end of the current-limiting resistor R1 is respectively connected with a first end of the decoupling capacitor C1 and a VDD end of the LED driving control chip, and a second end of the decoupling capacitor C1 and a second end of the filter capacitor C2 are respectively grounded. The current limiting resistor R1 is used for stabilizing the working current of the internal voltage stabilizing circuit when the voltage stabilizing function of the LED drive control chip is started; the filter capacitor C2 is a capacitor of the power supply module to the ground and is used for reducing the fluctuation of the power supply module; the decoupling capacitor C1 is a filter capacitor of the LED drive control chip and is used for stabilizing the VDD voltage of the LED drive control chip.

Example two:

in the first embodiment, in order to ensure that the chip works normally, the decoupling capacitor C1 is preferably a 100nF capacitor; the filter capacitor C2 is preferably 0.1uF-10uF in capacitance according to the actual load condition of the system.

Example three:

in the first embodiment, the PCB driving board further includes three connection terminals HDR1x4, the REXT end of the LED driving control chip is grounded through resistors, the DAI end of the LED driving control chip is connected to the third ends of the three connection terminals HDR1x4 through resistors, the DAO end of the LED driving control chip is connected to the fourth ends of the three connection terminals HDR1x4 through resistors, and the GND end of the LED driving control chip is grounded; the resistor connected with the DAI end of the LED drive control chip and the resistor connected with the DAO end of the LED drive control chip provide protective resistors for the signal input/output port, and the signal input port is prevented from being damaged due to the conditions of hot plugging, reverse connection of a positive electrode and a negative electrode of a power supply and a signal wire and the like. The second ends of the three connection terminals HDR1x4 are respectively grounded, and the first ends of the three connection terminals HDR1x4 are respectively connected to the voltage output end of the power module.

Example four:

in the first embodiment, the LED lamp panel is composed of a plurality of vertically arranged RGB modules; the RGB module is formed by sequentially connecting N RGB lamp beads in series, wherein N is more than or equal to 2; the first side of RGB lamp pearl contains R anodal, G anodal and B anodal, and the second side of RGB lamp pearl contains R negative pole, G negative pole and B negative pole. The R anode, the G anode and the B anode of a first RGB lamp bead in the RGB module are respectively connected with a voltage output end of the power supply module, the R cathode of an i-1 th RGB lamp bead is connected with the R anode of the i-th RGB lamp bead, the G cathode of the i-1 th RGB lamp bead is connected with the G anode of the i-th RGB lamp bead, the B cathode of the i-1 th RGB lamp bead is connected with the B anode of the i-th RGB lamp bead, wherein i is 2, and 3 … N; the R negative electrode of the Nth RGB lamp bead is connected with the R end of the LED driving control chip through three resistors connected in series, and the three resistors connected in series can reduce the voltage of the R port of the LED driving control chip and reduce the power consumption of the chip; the G negative electrode of the Nth RGB lamp bead is connected with the G end of the LED driving control chip through two resistors connected in series, and the two resistors connected in series can reduce the voltage of the G port of the LED driving control chip and reduce the power consumption of the chip; the B negative pole of the Nth RGB lamp bead is connected with the R end of the LED drive control chip through two resistors connected in series, and the voltage of the B port of the LED drive control chip can be reduced through the two resistors connected in series, so that the power consumption of the chip is reduced.

Example five:

in embodiment one, three, four, the preferred two-way transmission control chip of LED drive control chip, two-way transmission control chip have the wisdom energy-conservation, low-power consumption, output resistance is big, low internal resistance, the interference killing feature is strong, the signal can advantages such as two-way transmission, the novel modularization illumination of the full-color lamp plate of specially adapted intelligence concatenation.

Example six:

in the fourth embodiment, the SMD-RGB lamp bead is preferably selected as the RGB lamp bead, and has the advantages of low-voltage driving, environmental protection, energy conservation, small volume, simplicity and convenience in installation, high brightness, large scattering angle, good consistency and the like.

Example seven:

in the first embodiment, the FR4 board is preferable as the polygonal lamp panel, and the FR4 board has the advantages of high reliability, high wiring density, light weight, fast heat dissipation, and the like.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes, modifications, substitutions, combinations, and simplifications made by those skilled in the art without departing from the spirit and principle of the present invention should be considered as equivalent replacement modes within the scope of the present invention.

Claims

1. The utility model provides a full-color lamp plate of intelligence of splicing at will which characterized in that: the LED lamp panel, the PCB driver board and the power module are respectively installed on the polygonal lamp panel, the PCB driver board is connected with the LED lamp panel, and the PCB driver board and the LED lamp panel are respectively connected with the power module; the PCB drive board includes LED drive control chip, current-limiting resistor R1, decoupling zero electric capacity C1 and filter capacitor C2, the first end of current-limiting resistor R1 and the first end of filter capacitor C2 are connected with power module voltage output end respectively, current-limiting resistor R1 second end is connected with decoupling zero electric capacity C1 first end and LED drive control chip VDD end respectively, decoupling zero electric capacity C1 second end and filter capacitor C2 second end ground connection respectively.

2. The intelligent full-color lamp panel of splicing at will according to claim 1, characterized in that: the decoupling capacitor C1 is a 100nF capacitor; the filter capacitor C2 is a 0.1uF-10uF capacitor.

3. The intelligent full-color lamp panel of splicing at will according to claim 1, characterized in that: the PCB driving board further comprises three wiring terminals HDR1x 4; the REXT end of the LED drive control chip is grounded through a resistor, the DAI end of the LED drive control chip is respectively connected with the third ends of the three wiring terminals HDR1x4 through resistors, the DAO end of the LED drive control chip is respectively connected with the fourth ends of the three wiring terminals HDR1x4 through resistors, and the GND end of the LED drive control chip is grounded; the second ends of the three connection terminals HDR1x4 are respectively grounded, and the first ends of the three connection terminals HDR1x4 are respectively connected to the voltage output end of the power module.

4. The intelligent full-color lamp panel of splicing at will according to claim 1, characterized in that: the LED lamp panel is composed of a plurality of vertically arranged RGB modules; the RGB module is formed by sequentially connecting N RGB lamp beads in series, wherein N is more than or equal to 2; the first side of the RGB lamp bead comprises an R anode, a G anode and a B anode, and the second side of the RGB lamp bead comprises an R cathode, a G cathode and a B cathode; the R anode, the G anode and the B anode of a first RGB lamp bead in the RGB module are respectively connected with a voltage output end of the power supply module, the R cathode of an i-1 th RGB lamp bead is connected with the R anode of the i-th RGB lamp bead, the G cathode of the i-1 th RGB lamp bead is connected with the G anode of the i-th RGB lamp bead, the B cathode of the i-1 th RGB lamp bead is connected with the B anode of the i-th RGB lamp bead, and i is 2 and 3 … N; the R negative pole of the Nth RGB lamp bead is connected with the R end of the LED drive control chip through three resistors connected in series, the G negative pole of the Nth RGB lamp bead is connected with the G end of the LED drive control chip through two resistors connected in series, and the B negative pole of the Nth RGB lamp bead is connected with the R end of the LED drive control chip through two resistors connected in series.

5. The intelligent full-color lamp panel of claim 1, 3 or 4, which is spliced at will, characterized in that: the LED driving control chip is a bidirectional transmission control chip.

6. The intelligent full-color lamp panel of splicing at will of claim 4, characterized in that: the RGB lamp beads are SMD-RGB lamp beads.

7. The intelligent full-color lamp panel of splicing at will according to claim 1, characterized in that: the polygonal lamp panel is an FR4 board.