CN215182989U

CN215182989U - Digital screen capable of controlling respirable single-point single control without lamp driver

Info

Publication number: CN215182989U
Application number: CN202121684222.1U
Authority: CN
Inventors: 蒋海霞; 蒋雪东
Original assignee: Yixing Xuhang Electricity Co ltd
Current assignee: Yixing Xuhang Electricity Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-12-14
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a but no lamp drives digital screen of control breathing single-point single-control, lamp pearl including master control MCU, a plurality of series connection setting, master control MCU is connected with the lamp pearl, and every lamp pearl is connected with the power, and master control MCU sends control signal, according to lamp pearl switching and the luminance of corresponding this position of position control. The utility model discloses built-in drive IC's lamp pearl, every lamp pearl all have own specific physics and software position, and master control MCU can reach single-point single accuse and respiratory effect according to the lamp pearl and the luminance of corresponding position control specific position. The lamp bead packaging volume of the built-in drive IC is very small, the lamp bead packaging structure can be directly arranged and welded on a PCB, the complexity of wiring is reduced, the space of the PCB is saved, the size of the PCB is reduced, the area of a panel of a household appliance is reduced, the installation and the production are convenient, and enough space can be provided for further installing a color screen for the household appliance.

Description

Digital screen capable of controlling respirable single-point single control without lamp driver

Technical Field

The utility model belongs to the technical field of the digital screen, concretely relates to but no lamp drives digital screen of control respiration single-point single-control.

Background

When the conventional digital screen of the household appliance lights the LED, a triode drive or a professional LED lamp driver drive form is adopted, for example, as shown in fig. 1, the adoption of such a form usually requires a peripheral device for constructing the LED lamp driver or more triode drives. If more lamp beads need to be subjected to single-point single control or breathing effect, professional LED lamps must be used for driving, and thus a larger PCB area is needed for placing the lamp drivers and peripheral circuits thereof when the PCB is arranged, so that a plurality of lamp drivers and peripheral circuits are difficult to arrange on the PCB with a limited area, and further function expansion of the digital screen is limited.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the lamp bead with the control circuit is adopted, convenient wiring is realized, the size of the circuit board is reduced, and the single-point single-control and respiration effect-free digital screen capable of controlling the respiration single-point single-control without the lamp driver can be realized

The technical scheme is as follows: in order to solve the technical problem, the utility model discloses a technical scheme as follows:

the utility model provides a but no lamp drives digital screen of control breathing single-point single-control, includes main control MCU, a plurality of lamp pearl of establishing ties and setting, main control MCU is connected with the lamp pearl, and every lamp pearl is connected with the power, and main control MCU sends control signal, according to lamp pearl switching and the luminance of corresponding position control this position.

Preferably, the lamp beads are lamp beads with built-in driving ICs, each lamp bead is set to be at a specific physical and software position, and the main control MCU controls the lamp beads according to the physical and software positions.

Preferably, the lamp bead comprises a control circuit and a light-emitting circuit which are packaged together.

Preferably, the lamp bead with the built-in driving IC is in a 6-pin or 4-pin packaging form.

Preferably, the lamp bead with the built-in driving IC at least comprises an input pin, an output pin, a power supply pin and a grounding pin.

As preferred, when a plurality of lamp pearls are established ties, the main control MCU output is connected with the input pin of first lamp pearl, and the output pin of first lamp pearl is connected with the input pin of second lamp pearl to analogize, establish ties between a plurality of lamp pearls, main control MCU sends control signal to the lamp pearl through the scanning.

Preferably, the main control MCU is further connected with a display screen and a control module.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a but no lamp drives digital screen of control breathing single-point single-control, the built-in drive IC in LED lamp pearl is exported to the main control MCU direct output control signal of digital screen, and the LED lamp is lighted according to the instruction again to the drive IC of lamp pearl from the area. Each lamp bead has a specific physical and software position, and the main control MCU can control the lamp beads at specific positions and the brightness thereof according to the corresponding positions, so that the effects of single-point single control and breathing are achieved. The lamp bead packaging volume of the built-in drive IC is very small, the lamp bead packaging structure can be directly arranged and welded on a PCB, the complexity of wiring is reduced, the space of the PCB is saved, the size of the PCB is reduced, the area of a panel of a household appliance is reduced, the installation and the production are convenient, and enough space can be provided for further installing a color screen for the household appliance.

Drawings

FIG. 1 is a schematic diagram of a prior art digital display lamp;

FIG. 2 is a schematic diagram of a digital screen with no lamp driver for controlling the breathing single-point single-control;

fig. 3 is a schematic structural diagram of the breathable single-point single-control digital screen without the lamp driver control according to the embodiment.

Detailed Description

The present invention will be further illustrated by the following specific examples, which are carried out on the premise of the technical scheme of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 2-3, the digital screen of the no lamp of this application drives control respirable single-point single-control, including main control MCU1, control module 2, display screen 3, show with lamp pearl 4 etc. lamp pearl 4 includes a plurality ofly, be used for different demonstration including main control MCU1, the lamp pearl 4 of a plurality of series connection settings, main control MCU1 is connected with lamp pearl 4, every lamp pearl 4 is connected with the power, main control MCU1 sends control signal, according to lamp pearl 4 switching and the luminance of corresponding position control this position, main control MCU1 is connected with the main control board of household electrical appliances, and carry out signal interaction between the main control board.

In order to realize single-point single control, the utility model discloses a lamp pearl 4 adopts built-in driver IC's lamp pearl 4, and its specific physics and software position are set for to every lamp pearl 4, and master control MCU1 controls according to its physics position and software position. The lamp bead 4 comprises a control circuit and a light-emitting circuit which are packaged together. The lamp bead 4 with the built-in driving IC adopts a 6-pin or 4-pin packaging form.

According to the embodiment, a 5050 series built-in drive full-color LED lamp bead 4 can be adopted, each element of the 5050 series built-in drive full-color LED lamp bead 4 is a pixel point, an intelligent digital interface data latch signal shaping amplification drive circuit, a power supply voltage stabilizing circuit, a built-in constant current circuit and a high-precision RC oscillator are contained in the pixel point, the output drive adopts a patent PWM technology, and the color height consistency of light in the pixel point can be effectively guaranteed. A5050 series lamp bead 4 with a built-in drive IC comprises four pins, namely an input pin DIN, an output pin DOUT, a power supply pin VCC and a ground pin GND. The LED with the built-in drive IC can realize intelligent reverse connection protection, and components cannot be damaged when a 5V power supply is reversely connected, so that the probability of product failure caused by misoperation is effectively reduced; the three primary colors of each pixel point can realize 256-level brightness display, and the full true color display of 16777216 colors is completed; the serial cascade interface can complete the data receiving and decoding through one signal line. Or the utility model discloses also can adopt SK6812 lamp pearl 4 or other lamp pearls that can realize this embodiment function.

The utility model discloses when a plurality of lamp pearls 4 are established ties, main control MCU1 output and first lamp pearl 41 go into pin DIN and are connected, and first lamp pearl 41 output pin DOUT is connected with second lamp pearl 42 input pin DIN to this analogizes, establishes ties between a plurality of lamp pearls 4, and main control MCU1 sends control signal to mode lamp pearl 4 through the scanning. The lamp bead 4 with the built-in driving IC has the advantages of low-voltage driving, environmental protection, energy conservation, high brightness, large scattering angle, good consistency, ultralow power, overlong service life and the like, and integrates a control circuit on the LED, so that the circuit becomes simpler, the size is small, and the installation is simpler and more convenient.

The utility model discloses a but no lamp drives digital screen of control breathing single-point single-control uses on the household electrical appliances panel, and master control MCU1 still is connected with the module relevant with household electrical appliances control and demonstration except that control lamp pearl 4, and control module 2 includes mechanical button or touch button, for example washing machine's temperature selection button, program selection button, timing button etc. and display screen 3 is the LCD digital screen for output display information. The main control MCU1 is also connected with the main control board of the household electrical appliance for signal interaction with the main control board of the household electrical appliance, and the chip adopted by the main control MCU is CY8C4126 AXI-S433.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a but digital screen of no lamp drive control breathing single-point single control which characterized in that: including main control MCU, a plurality of lamp pearl of establishing ties and setting up, main control MCU is connected with the lamp pearl, and every lamp pearl is connected with the power, and main control MCU sends control signal, according to lamp pearl switching and the luminance of corresponding position control this position.

2. The digital screen with no lamp driver for controlling the respirable single-point single control according to claim 1, is characterized in that: the lamp beads are provided with built-in drive ICs, each lamp bead is set to a specific physical position and a specific software position, and the main control MCU controls the lamp beads according to the physical positions and the software positions.

3. The digital screen with no lamp driver for controlling the respirable single-point single control according to claim 1, is characterized in that: the lamp bead comprises a control circuit and a light-emitting circuit which are packaged together.

4. The digital screen with no lamp driver for controlling the respirable single-point single control according to claim 3, is characterized in that: the lamp bead with the built-in driving IC adopts a 6-pin or 4-pin packaging form.

5. The digital screen with no lamp driver for controlling the respirable single-point single control according to claim 1, is characterized in that: the built-in drive IC's lamp pearl includes input pin, output pin, power pin and ground connection pin at least.

6. The digital screen with no lamp driver for controlling the respirable single-point single control according to claim 1, is characterized in that: when a plurality of lamp pearls are established ties, the master control MCU output is connected with the input pin of first lamp pearl, and the output pin of first lamp pearl is connected with the input pin of second lamp pearl to this analogizes, establishes ties between a plurality of lamp pearls, and master control MCU sends control signal to the lamp pearl through the scanning.

7. The digital screen with no lamp driver for controlling the respirable single-point single control according to claim 1, is characterized in that: the master control MCU is also connected with a display screen and a control module.