CN211016332U

CN211016332U - Dazzle various bluetooth multifunctional display screen

Info

Publication number: CN211016332U
Application number: CN202020314944.7U
Authority: CN
Inventors: 李以华
Original assignee: Strait Cailiang Zhangzhou Photoelectric Co ltd
Current assignee: Strait Cailiang Zhangzhou Photoelectric Co ltd
Priority date: 2020-03-14
Filing date: 2020-03-14
Publication date: 2020-07-14
Anticipated expiration: 2030-03-14

Abstract

The utility model discloses a dazzle various bluetooth multifunctional display screen, including the cell-phone that has bluetooth function, switching power supply, step-down circuit, bluetooth receiving module, control card and L ED display screen, switching power supply is used for converting 220V's alternating current into 5V direct current, and 5V direct current divides three routes, and first route is connected with L ED display screen, and the second route is connected with the control card, and the third route is provided with the bluetooth receiving module of simulation serial ports after dropping to 3.3V through the step-down circuit, bluetooth receiving module and control card communication connection, the control card passes through 16P's flexible and is connected with L ED display screen communication, L ED display screen is P2.5 indoor table subsides trinity L ED display screen, the pixel interval of L ED display screen is 2.5mm, total 128 are 64 pixel points, and every pixel is become by three lamps of 1R1G1B, cell-phone and bluetooth receiving module wireless communication connection, pair corresponding full-color through the cell-phone, control L ED display screen and play picture, video and text message, it is simple in use convenient.

Description

Dazzle various bluetooth multifunctional display screen

Technical Field

The utility model relates to an L ED display screen field, specific dazzle various bluetooth multifunctional display screen that says so.

Background

At present, a display screen in the industry generally inputs a plurality of parallel switch power supplies through 220V alternating current, then the switch power supplies convert the AC220V into DC5V to be input into each single module in parallel, simultaneously, the 5V direct current is input into a built-in system card, the system card is connected to a corresponding computer through a network cable, a corresponding player is installed on the computer, and images or videos played on the computer are transmitted to a L ED display screen through the network cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dazzle various bluetooth multifunctional display screen, this dazzle various bluetooth multifunctional display screen through the step-down circuit with the start power and bluetooth receiving module, picture, video and the text message that accessible mobile phone control L ED display screen broadcast, convenience simple to use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a colorful Bluetooth multifunctional display screen comprises a mobile phone with a Bluetooth function, a switching power supply, a voltage reduction circuit, a Bluetooth receiving module, a control card and an L ED display screen, wherein the switching power supply is used for converting 220V alternating current into 5V direct current, the 5V direct current is divided into three paths, the first path is connected with a L ED display screen, the second path is connected with the control card, the third path is reduced to 3.3V through the voltage reduction circuit and then is supplied to the Bluetooth receiving module simulating a serial port, the Bluetooth receiving module is in communication connection with the control card, the control card is in communication connection with a L ED display screen through a 16P flexible flat cable, the L ED display screen is a P2.5 indoor full-color L ED display screen, the pixel pitch of the L ED display screen is 2.5mm, 128 x 64 pixel points are totally formed, each pixel point is composed of three lamps 1R1G1B, the mobile phone is in wireless communication connection with the Bluetooth receiving module, and the corresponding password matched with the mobile phone is used for controlling the L ED display screen to play information.

Further, the bluetooth receiving module is a BC04 bluetooth module; the BC04 Bluetooth module is externally provided with 8M Flash, the HC-06 with the EDR module is of civil grade, and is compatible with HC-04 industrial grade.

Furthermore, the control card is an STC15F204EA single chip microcomputer, a TX pin of the HC-06 module is connected with a P3.0 pin of the STC15F204EA single chip microcomputer, and an RX pin is connected with a P3.1 pin of the STC15F204EA single chip microcomputer; the HC-06 module receives data sent by the mobile phone end and is in communication connection with the STC15F204EA single chip microcomputer through serial ports TR and TX pins.

Furthermore, the L ED display screen comprises a PCB circuit board, a lamp tube, a driving chip and a plastic sleeve, wherein the PCB circuit board is fixed on the plastic sleeve, the driving chip is fixed on the PCB circuit board, and the driving chip is electrically connected with the lamp tube and drives the lamp tube to emit light through the driving chip.

Furthermore, the lamps are 2121 surface mount three-in-one lamps, and are packaged into a pixel point by a red L ED wafer, a green L ED wafer and a blue L ED wafer.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

1. the utility model relates to a dazzle various bluetooth multifunctional display screen, through step-down circuit with start power and bluetooth receiving module, picture, video and the text message that accessible mobile phone control L ED display screen broadcast, convenience simple to use.

2. The utility model relates to a dazzle various bluetooth multifunctional display screen, the pixel interval of L ED display screen is 2.5mm, total 128 a 64 pixel, and every pixel comprises three lamps of 1R1G1B, and the color dazzles beautiful.

3. The utility model relates to a dazzle various bluetooth multifunctional display screen, the fluorescent tube is 2121 table pastes trinity fluorescent tube, is a pixel by encapsulation of red L ED wafer, green L ED wafer and blue L ED wafer, has fluorescent tube earth leakage protection function, moves the shadow function of disappearing, is listed as the shadow function of disappearing.

Drawings

FIG. 1 is a circuit diagram of the present invention;

fig. 2 is a schematic structural diagram of an L ED display screen according to the present invention.

The reference numbers in the figures denote:

1. the Bluetooth mobile phone comprises a mobile phone body, a switch power supply, a voltage reduction circuit, a Bluetooth receiving module, a control card, a 6 and L ED display screen, a 60 and PCB circuit board, a 61 and lamp tube, a 62 and driving chip, and a 63 and plastic sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 2, the colorful Bluetooth multifunctional display screen comprises a mobile phone 1 with a Bluetooth function, a switching power supply 2, a voltage reduction circuit 3, a Bluetooth receiving module 4, a control card 5 and a L ED display screen 6, wherein the switching power supply 2 is used for converting 220V alternating current into 5V direct current, the 5V direct current is divided into three paths, the first path is connected with a L ED display screen 6, the second path is connected with the control card 5, the third path is reduced to 3.3V through the voltage reduction circuit 3 and then supplied to the Bluetooth receiving module 4 simulating a serial port, the Bluetooth receiving module 4 is in communication connection with the control card 5, the control card 5 is in communication connection with a L ED display screen 6 through a 16P flexible flat cable, the L ED display screen 6 is a P2.5 indoor surface-mounted full-color L ED display screen, the pixel pitch of the L ED display screen 6 is 2.5mm, 128-64 pixel points are provided, each pixel point is composed of 1R1G1B lamps, the three-in-one-in-to-one-to-in-one-in-to-three-in-one-to-one-in.

As shown in fig. 1, the bluetooth receiving module 4 is a BC04 bluetooth module; the BC04 Bluetooth module is externally arranged with 8MFlash, and the HC-06 with EDR module is civil grade and compatible with HC-04 industrial grade.

As shown in fig. 1, the control card 5 is an STC15F204EA single chip microcomputer, a TX pin of the HC-06 module is connected to a P3.0 pin of the STC15F204EA single chip microcomputer, and an RX pin is connected to a P3.1 pin of the STC15F204EA single chip microcomputer; the HC-06 module receives data sent by the mobile phone 1 end and is in communication connection with the STC15F204EA single chip microcomputer through a serial port TR and a TX pin.

As shown in fig. 1 and 2, the L ED display screen 6 includes a PCB 60, a lamp tube 61, a driving chip 62 and a plastic sheath 63, the PCB 60 is fixed on the plastic sheath 63, the driving chip 62 is fixed on the PCB 60, the driving chip 62 is electrically connected to the lamp tube 61, and the lamp tube 61 is driven by the driving chip 62 to emit light.

As shown in fig. 2, the lamp 61 is a 2121 surface mount triad lamp, and is packaged as a pixel by a red L ED chip, a green L ED chip and a blue L ED chip.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A colorful Bluetooth multifunctional display screen is characterized by comprising a mobile phone with a Bluetooth function, a switching power supply, a voltage reduction circuit, a Bluetooth receiving module, a control card and an L ED display screen, wherein the switching power supply is used for converting 220V alternating current into 5V direct current, the 5V direct current is divided into three paths, the first path is connected with a L ED display screen, the second path is connected with the control card, the third path is reduced to 3.3V through the voltage reduction circuit and then is supplied to the Bluetooth receiving module simulating a serial port, the Bluetooth receiving module is in communication connection with the control card, the control card is in communication connection with a L ED display screen through a 16P flexible flat cable, the L ED display screen is a P2.5 indoor surface-attached full-color three-in-one L ED display screen, the pixel pitch of the L ED display screen is 2.5mm, 128 pixels are totally, each pixel consists of three lamps of 1R1G1B, the mobile phone is in wireless communication connection with the Bluetooth receiving module, and the corresponding mobile phone is matched to control the L ED display screen to play information.

2. The colorful bluetooth multifunctional display screen of claim 1, characterized in that: the Bluetooth receiving module is a BC04 Bluetooth module; the BC04 Bluetooth module is externally arranged with 8MFlash, and the HC-06 with EDR module is civil grade and compatible with HC-04 industrial grade.

3. The colorful bluetooth multifunctional display screen of claim 2, characterized in that: the control card is an STC15F204EA single chip microcomputer, a TX pin of the HC-06 module is connected with a P3.0 pin of the STC15F204EA single chip microcomputer, and an RX pin is connected with a P3.1 pin of the STC15F204EA single chip microcomputer; the HC-06 module receives data sent by the mobile phone end and is in communication connection with the STC15F204EA single chip microcomputer through serial ports TR and TX pins.

4. The colorful Bluetooth multifunctional display screen of claim 3, wherein the L ED display screen comprises a PCB, a lamp tube, a driving chip and a plastic sleeve, the PCB is fixed on the plastic sleeve, the driving chip is fixed on the PCB, and the driving chip is electrically connected with the lamp tube and drives the lamp tube to emit light through the driving chip.

5. The multifunctional colorful Bluetooth display screen as claimed in claim 4, wherein the lamps are 2121 surface mount three-in-one lamps, and are packaged as a pixel by a red L ED wafer, a green L ED wafer and a blue L ED wafer.