CN107610605A - A kind of LED may be programmed day screen - Google Patents

Abstract

The invention discloses a kind of LED may be programmed day screen, including support and display module, the display module includes illuminator, display screen and control board, the support is provided with four, support is arranged on the top of display module, the display screen is arranged on the bottom of display module, and the illuminator is arranged on the top of display screen, and control board is arranged on the top of illuminator.The present invention is controlled using programmable single chip computer to illuminator, control LED lamp bead sends color, colour temperature, brightness, contrast and switch time of light etc., so that user can be according to the needs of actual use, realize that bright pattern, brightness and pattern etc. of opening to illuminator carries out intelligentized control method and conversion by setting, flexibility is strong, it disclosure satisfy that the individual demand of user, considerably increase the appeal and rendering capability of day screen, and the present invention is simple in construction, it is small to produce and process difficulty, it is easy to assembly quick.

Description

A LED programmable sky screen

technical field

The invention relates to an LED display screen, in particular to an LED programmable sky screen.

Background technique

With the development of display technology, the application of LED display is more and more extensive. The sky screen similar to the ceiling method is more and more popular because it does not occupy valuable space resources and can bring people different visual enjoyment. Favored by people.

However, the characters and patterns emitted by the illuminants in the existing sky screens on the market are all pre-installed, and their working methods are fixed, such as the lighting mode and brightness. It is inflexible, and the environment created is relatively rigid, with poor appeal and rendering ability.

Contents of the invention

The object of the present invention is to provide a programmable LED sky screen with simple structure and convenient control, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A kind of LED programmable sky screen, comprises bracket and display module, and described display module comprises illuminant, display screen and control circuit board, and described bracket is provided with four, and bracket is installed on the top of display module, and described display screen is installed At the bottom of the display module, the illuminant is installed above the display screen, and the control circuit board is installed above the illuminant.

As a further solution of the present invention: pin 1 of the single-chip microcomputer U1 in the control circuit board is connected to capacitor C1 and resistor R1 respectively, the other end of capacitor C1 is grounded, and the other end of resistor R1 is respectively connected to pin 3 of terminal CON2 and terminal CON3 through diode D1. 1 pin, 1 pin of LED lamp bead D1_1, 2 pins of LED lamp bead D1_1, 3 pins of LED lamp bead D1_1, resistor RG2, resistor RR2, resistor RB2, 1 pin of LED lamp bead D3_1, 2 of LED lamp bead D3_1 Pin, pin 3 of LED lamp bead D3_1, resistor RG4, resistor RR4, resistor RB4 and capacitor C2, the other end of capacitor C2 is grounded, the other end of resistor RG2 is connected to pin 1 of LED lamp bead D2_1, the other end of resistor RR2 is connected to LED lamp bead D2_1 The other end of resistor RB2 is connected to pin 3 of LED lamp bead D2_1, the other end of resistor RG4 is connected to pin 1 of LED lamp bead D4_1, the other end of resistor RR4 is connected to pin 2 of LED lamp bead D4_1, and the other end of resistor RB4 is connected to LED lamp Pin 3 of bead D4_1, pin 2 of microcontroller U1 connect pin 2 of terminal CON3 through resistor R3, pin 16 of microcontroller U1 connect pin 2 of terminal CON2 through resistor R2, pin 3 of terminal CON2 and pin 3 of terminal CON3 are connected in parallel and grounded , Pin 3 of MCU U1 is connected to pin 5 of LED lamp bead D4_1, pin 4 of MCU U1 is connected to pin 6 of LED lamp bead D4_1, pin 5 of MCU U1 is connected to pin 4 of LED lamp bead D4_1, pin 6 of MCU U1 is passed through a resistor RR3 is connected to pin 5 of LED lamp bead D3_1, pin 7 of microcontroller U1 is connected to pin 6 of LED lamp bead D3_1 through resistor RG3, pin 8 of microcontroller U1 is connected to pin 4 of LED lamp bead D3_1 through resistor RB3, pin 9 of microcontroller U1 is grounded , 10 pins of MCU U1 are connected to 4 pins of LED lamp bead D2_1, 11 pins of MCU U1 are connected to 6 pins of LED lamp bead D2_1, 12 pins of MCU U1 are connected to 5 pins of LED lamp bead D2_1, 13 pins of MCU U1 are connected through a resistor RB1 is connected to pin 4 of LED lamp bead D1_1, pin 14 of microcontroller U1 is connected to pin 6 of LED lamp bead D1_1 through resistor RG1, pin 15 of microcontroller U1 is connected to pin 5 of LED lamp bead D1_1 through resistor RR1.

As a further solution of the present invention: the model of the single-chip microcomputer U1 is TM1812.

Compared with prior art, the beneficial effect of the present invention is:

The invention uses a programmable single-chip microcomputer to control the luminous body, and controls the color, color temperature, brightness, contrast and switching time of the light emitted by the LED lamp bead, so that the user can realize the brightness of the luminous body by setting according to the needs of actual use. Intelligent control and transformation of the lighting mode, brightness and pattern, etc., with strong flexibility, can meet the individual needs of users, greatly increase the appeal and rendering ability of the sky screen, and the present invention has simple structure, low difficulty in production and processing, and easy assembly Convenient.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a circuit connection diagram of the single-chip microcomputer U1 in the control circuit board of the present invention.

Fig. 3 is a connection diagram of the peripheral circuit of the single chip microcomputer U1 in the control circuit board of the present invention.

In the figure: 1-support; 2-display module; 3-luminous body; 4-display screen; 5-control circuit board.

detailed description

The technical solution of this patent will be described in further detail below in conjunction with specific embodiments.

Please refer to Fig. 1, a kind of LED programmable sky screen, comprises support 1 and display module 2, and described display module 2 comprises illuminant 3, display screen 4 and control circuit board 5, and described support 1 is provided with four, and support 1 is installed above the display module 2, the display screen 4 is installed at the bottom of the display module 2, the display surface of the display screen 4 faces the ground, the luminous body 3 is installed above the display screen 4, and the control circuit board 5 is installed above the illuminant 3.

Pin 1 of the single-chip microcomputer U1 in the control circuit board 5 is respectively connected to capacitor C1 and resistor R1, the other end of capacitor C1 is grounded, and the other end of resistor R1 is respectively connected to pin 3 of terminal CON2, pin 1 of terminal CON3, and LED lamp beads through diode D1. Pin 1 of D1_1, pin 2 of LED D1_1, pin 3 of LED D1_1, resistor RG2, resistor RR2, resistor RB2, pin 1 of LED D3_1, pin 2 of LED D3_1, LED D3_1 Pin 3, resistor RG4, resistor RR4, resistor RB4 and capacitor C2, the other end of capacitor C2 is grounded, the other end of resistor RG2 is connected to pin 1 of LED lamp bead D2_1, the other end of resistor RR2 is connected to pin 2 of LED lamp bead D2_1, resistor RB2 The other end is connected to pin 3 of LED lamp bead D2_1, the other end of resistor RG4 is connected to pin 1 of LED lamp bead D4_1, the other end of resistor RR4 is connected to pin 2 of LED lamp bead D4_1, the other end of resistor RB4 is connected to pin 3 of LED lamp bead D4_1, Pin 2 of MCU U1 is connected to pin 2 of terminal CON3 through resistor R3, pin 16 of MCU U1 is connected to pin 2 of terminal CON2 through resistor R2, pin 3 of terminal CON2 and pin 3 of terminal CON3 are connected in parallel and grounded, pin 3 of MCU U1 Connect the 5 pins of the LED lamp bead D4_1, the 4 pins of the single-chip microcomputer U1 connect the 6 pins of the LED lamp bead D4_1, the 5 pins of the single-chip microcomputer U1 connect the 4 pins of the LED lamp bead D4_1, and the 6 pins of the single-chip microcomputer U1 connect the LED lamp bead D3_1 through the resistor RR3 Pin 5 of the single-chip microcomputer U1 connects pin 6 of the LED lamp bead D3_1 through the resistor RG3, pin 8 of the single-chip microcomputer U1 connects pin 4 of the LED lamp bead D3_1 through the resistor RB3, pin 9 of the single-chip microcomputer U1 is grounded, and pin 10 of the single-chip microcomputer U1 Connect pin 4 of LED lamp bead D2_1, pin 11 of single-chip microcomputer U1 connect pin 6 of LED lamp bead D2_1, pin 12 of single-chip microcomputer U1 connect pin 5 of LED lamp bead D2_1, pin 13 of single-chip microcomputer U1 connect LED lamp bead D1_1 through resistor RB1 The 4 pins of the single chip microcomputer U1 are connected to the 6 pins of the LED lamp bead D1_1 through the resistor RG1, and the 15 pins of the single chip U1 are connected to the 5 pins of the LED lamp bead D1_1 through the resistor RR1.

The model of the single-chip microcomputer U1 is TM1812, and the single-chip microcomputer U1 is a 12-channel LED light-emitting diode drive control dedicated chip. The chip is internally integrated with circuits such as MCU digital interface, data latch, and LED high-voltage drive. The chip is controlled by the MCU digital interface. The independent luminance and cascading control realize the color dot matrix lighting control of outdoor large screens, guardrail tubes, and magic light strips. The single-chip U1 has excellent performance and reliable quality.

The invention uses a programmable single-chip microcomputer to control the luminous body, and controls the color, color temperature, brightness, contrast and switching time of the light emitted by the LED lamp bead, so that the user can realize the brightness of the luminous body by setting according to the needs of actual use. Intelligent control and transformation of the lighting mode, brightness and pattern, etc., with strong flexibility, can meet the individual needs of users, greatly increase the appeal and rendering ability of the sky screen, and the present invention has simple structure, low difficulty in production and processing, and easy assembly Convenient.

The preferred implementation of this patent has been described in detail above, but this patent is not limited to the above-mentioned implementation. Within the scope of knowledge of those of ordinary skill in the art, various implementations can be made without departing from the purpose of this patent. kind of change.

Claims (3)

1. a kind of LED may be programmed day screen, including support（1）And display module（2）, it is characterised in that the display module（2） Including illuminator（3）, display screen（4）And control board（5）, the support（1）Provided with four, support（1）Installed in display Module（2）Top, the display screen（4）Installed in display module（2）Bottom, the illuminator（3）Installed in display Screen（4）Top, control board（5）Installed in illuminator（3）Top.

2. LED according to claim 1 may be programmed day screen, it is characterised in that the control board（5）Middle single-chip microcomputer U1 1 pin connects electric capacity C1 and resistance R1, electric capacity C1 other ends ground connection respectively, and the resistance R1 other ends are connected respectively by diode D1 Connecting terminal CON2 3 pin, terminal CON3 1 pin, LED lamp bead D1_1 1 pin, LED lamp bead D1_1 2 pin, LED lamp bead D1_1 3 pin, resistance RG2, resistance RR2, resistance RB2, LED lamp bead D3_1 1 pin, LED lamp bead D3_1 2 pin, the 3 of LED lamp bead D3_1 Pin, resistance RG4, resistance RR4, resistance RB4 and electric capacity C2, electric capacity C2 other ends ground connection, resistance RG2 other ends connection LED lamp bead D2_1 1 pin, resistance RR2 other ends connection LED lamp bead D2_1 2 pin, the 3 of resistance RB2 other ends connection LED lamp bead D2_1 Pin, resistance RG4 other ends connection LED lamp bead D4_1 1 pin, resistance RR4 other ends connection LED lamp bead D4_1 2 pin, resistance RB4 other ends connection LED lamp bead D4_1 3 pin, single-chip microcomputer U1 2 pin pass through resistance R3 connection terminals CON3 2 pin, single-chip microcomputer U1 16 pin are grounded, list by resistance R2 connection terminals CON2 2 pin after 3 pin parallel connections of terminal CON2 3 pin and terminal CON3 Piece machine U1 3 pin connection LED lamp bead D4_1 5 pin, single-chip microcomputer U1 4 pin connection LED lamp bead D4_1 6 pin, the 5 of single-chip microcomputer U1 Pin connection LED lamp bead D4_1 4 pin, single-chip microcomputer U1 6 pin pass through resistance RR3 connection LED lamp beads D3_1 5 pin, single-chip microcomputer U1 7 pin pass through resistance RB3 connection LED lamp beads D3_1 by resistance RG3 connection LED lamp beads D3_1 6 pin, single-chip microcomputer U1 8 pin 4 pin, single-chip microcomputer U1 9 pin ground connection, single-chip microcomputer U1 10 pin connection LED lamp bead D2_1 4 pin, single-chip microcomputer U1 11 pin connection LED lamp bead D2_1 6 pin, single-chip microcomputer U1 12 pin connection LED lamp bead D2_1 5 pin, single-chip microcomputer U1 13 pin pass through resistance RB1 Connect LED lamp bead D1_1 4 pin, single-chip microcomputer U1 14 pin by resistance RG1 connection LED lamp beads D1_1 6 pin, single-chip microcomputer U1's 5 pin that 15 pin pass through resistance RR1 connection LED lamp beads D1_1.

3. LED according to claim 2 may be programmed day screen, it is characterised in that the model of the single-chip microcomputer U1 TM1812。