CN216087071U

CN216087071U - Multi-LED control circuit, controllable lamp chessboard and controllable lamp electronic go chessboard

Info

Publication number: CN216087071U
Application number: CN202122397384.3U
Authority: CN
Inventors: 季鑫龙; 何嗣隆; 张慢; 童登普; 孙梦阳; 王鹿鸣; 观宏君; 钟炳; 陈庆安
Original assignee: Shanghai Hongyiyuan Software Technology Co ltd
Current assignee: Shanghai Hongyiyuan Software Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-18
Anticipated expiration: 2031-09-30

Abstract

The utility model provides a multi-LED control circuit, a controllable lamp chessboard and a controllable lamp electronic go chessboard, which comprise a go chessboard body, wherein each chess point of the go chessboard body is provided with an LED lamp, the LED lamps are PIX LEDs, all PIX LEDs are connected with a main control CPU after being connected in series end to end, each PIX LED comprises an R/G/B LED lamp and an MCU, and the MCU comprises at least 5 paths of GPIOs (general purpose input/output), which are respectively an R/G/B signal PWM output path, an input path and an output path; the MCU is connected with one end of the R/G/B LED lamp through the PWM output of the R/G/B signal, the other end of the R/G/BLED lamp is connected in a common pole mode, the input circuit is used for receiving control data, the output circuit is used for transmitting the control data, and the output circuit of the MCU in each PIX LED is connected with the input circuit of the MCU in the next PIX LED. The utility model adopts a serial connection mode to control each LED, and does not need a special array chip; the circuit has wide application range and higher application value, and the circuit is simple and has lower use cost.

Description

Multi-LED control circuit, controllable lamp chessboard and controllable lamp electronic go chessboard

Technical Field

The utility model relates to the field of electronic go chessboards, in particular to a multi-LED control circuit, a controllable lamp chessboard and a controllable lamp electronic go chessboard, and particularly relates to a controllable lamp teaching electronic go chessboard.

Background

The electronic go board generally comprises a main control module, a communication module, a hall sensor module, a lamp module and the like, and is generally a row-column array of 19 × 19/13 × 13/9 × 9.

Taking the 19 x 19 electronic chessboard as an example, the chessboard needs to detect black (one pole of the magnetic field, such as S pole) and white (the other pole of the magnetic field, such as N pole) in general. According to the characteristics of the Hall sensor, at least 19 × 2-38 input GPOI are needed in a time-division multiplexing mode.

An LED lamp (single color, such as red) is configured according to a chess point, a time division multiplexing mode is also adopted, at least 19 GPIOs are needed to be output, and if color change needs to be realized, 3 (red, green and blue) lamps are needed to be used for color mixing. At least 19 x 3 GPIOs are required for control. In order to realize adjustable brightness, GPIO needs to output pulses with different duty ratios, because of the characteristics of human eyes, the frame rate of time division multiplexing must be above 50Hz, otherwise, the flicker feeling can be generated. According to the above requirements, there are many challenges to the CPU processing speed and the GPIO number and other resource consumption. The circuit function is realized, and a special LED lamp driving chip is added.

And after the controllable lamps are added, gorgeous colors can be realized, the attractiveness and the interestingness of the chessboard can be increased, and children are attracted more.

In chinese patent publication No. CN205340086U, an electronic chessboard is disclosed, which comprises a housing, and a control module and a wireless module that are arranged in the housing and connected to each other, wherein a chessboard and a plurality of chessmen integrally connected to the chessboard are arranged on an upper surface of the housing, the chessmen are made of a light-transmitting material, a color-changeable LED lamp is arranged below each chessmen, the color-changeable LED lamp is connected to the control module, the control module is configured to feed back a trigger action on the chessmen, and the wireless module is configured to wirelessly connect the electronic chessboard to an electronic device.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a multi-LED control circuit, a controllable lamp chessboard and a controllable lamp electronic go chessboard.

The utility model provides a multi-LED control circuit which comprises a plurality of PIX LEDs, a main control CPU and a circuit board, wherein the plurality of PIX LEDs are installed on the circuit board in series end to end, the two PIX LEDs at the end and the end are connected with the main control CPU, the PIX LEDs comprise an R/G/B LED lamp and an MCU, and the MCU comprises at least 5 paths of GPIOs (general purpose input/output), namely an R/G/B signal PWM output circuit, an input circuit and an output circuit; the MCU is connected with one end of the R/G/B LED lamp through the PWM output of the R/G/B signal respectively, the other end of the R/G/B LED lamp is connected in a common electrode mode, the input circuit is used for receiving control data, the output circuit is used for transmitting the control data, and the output circuit of the MCU in each PIX LED is connected with the input circuit of the MCU in the next PIX LED.

The utility model provides a chessboard with controllable lamps, which comprises a chessboard body, wherein each point on the chessboard body is provided with a PIX LED, a plurality of PIX LEDs are connected in series and then are connected with a main control CPU, the PIX LEDs comprise R/G/B LED lamps and an MCU, and the MCU comprises at least 5 paths of GPIOs (general purpose input/output), which are respectively an R/G/B signal PWM output path, an input path and an output path; the MCU is connected with one end of the R/G/B LED lamp through the PWM output of the R/G/B signal respectively, the other end of the R/G/B LED lamp is connected in a common electrode mode, the input circuit is used for receiving control data, the output circuit is used for transmitting the control data, and the output circuit of the MCU in each PIX LED is connected with the input circuit of the MCU in the next PIX LED.

The utility model provides a lamp-controllable electronic go chessboard, which comprises: the chess board comprises a go chessboard body, wherein each chess point of the go chessboard body is provided with an LED lamp, the LED lamp is a PIX LED, all the PIX LEDs are connected with a main control CPU after being connected in series end to end, the PIX LED comprises an R/G/B LED lamp and an MCU, and the MCU comprises at least 5 paths of GPIOs (general purpose input/output), namely an R/G/B signal PWM output path, an input path and an output path; the MCU is connected with one end of the R/G/B LED lamp through the PWM output of the R/G/B signal respectively, the other end of the R/G/B LED lamp is connected in a common electrode mode, the input circuit is used for receiving control data, the output circuit is used for transmitting the control data, and the output circuit of the MCU in each PIX LED is connected with the input circuit of the MCU in the next PIX LED.

Preferably, the R/G/B LED lamps are connected in a common female die mode or in a common male die mode.

Preferably, each chess point of the go chessboard body is provided with a Hall sensor.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model adopts a serial connection mode to control each LED, and does not need a special array chip;

2. the circuit in the utility model has wide application range and higher application value.

3. The utility model has simple circuit and lower use cost.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of a controllable lamp electronic go board circuit in the embodiment of the present application;

fig. 2 is a schematic structural diagram of a PIX LED in an embodiment of the present application.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.

The utility model provides a multi-LED control circuit which comprises a plurality of LED lamps, a main control CPU and a circuit board, wherein the LED lamps are arranged on the circuit board in series end to end, and the end two LED lamps are connected with the main control CPU.

The multi-LED control circuit can be used for a chessboard with controllable lamps, and comprises a chessboard body, wherein each chess point on the chessboard body is provided with an LED lamp, and a plurality of LED lamps are connected in series and then connected with a main control CPU.

The above-mentioned many LED lamp control circuit can also be used to a controllable lamp electron weiqi chess board, includes: the chess board comprises a go chessboard body, wherein each chess point of the go chessboard body is provided with a Hall sensor. Each chess point of the go chessboard body is provided with an LED lamp, the LED lamps are PIX LEDs, and all the PIX LEDs are connected in series end to end and then connected with a main control CPU (central processing unit), and the LED lamps are shown in the reference figure 1. The Data _ in Data comes to the main control CPU, each PIX comprises a Data latch function and a forwarding function, and the PIX can latch Data belonging to the PIX and also has a function of forwarding the Data not belonging to the PIX to the next PIX, so that the cascade function is realized.

As shown in fig. 2, the PIX LED includes an R/G/B LED lamp and an MCU, the MCU includes at least 5 GPIOs, which are an R/G/B signal PWM output, an input path, and an output path, respectively; the MCU is connected with one end of the R/G/B LED lamp through the PWM output of the R/G/B signal respectively, the other end of the R/G/B LED lamp is connected in a common electrode mode, the R/G/B LED lamp is connected in a common-negative mode or in a common-positive mode, and the common-positive mode is adopted in figure 2. The input path is used for receiving control data, the output path is used for transmitting the control data, and the output path of the MCU in each PIX LED is connected with the input path of the MCU in the next PIX LED. After the control data is inputted from data _ in and its own data is acquired (R, G, B brightness value, which controls PWM duty), the remaining data is transferred from data out and the data is downloaded.

The data format of single-wire communication is flexible, and three symbols are mainly specified: and starting the code, 1 code and 0 code, namely carrying out data communication.

Taking the most common 8bit to mark a color brightness as an example, the brightness of a PIX RGB lamp is controlled, 24bit data is needed and is transmitted to the MCU, and the mixed colors have 256 colors by 256 colors, so that the effect of colorful colors is realized.

For example, the code element is defined as the starting code with a low level of 1000 +/-20 uS; code 1, high level 200 +/-20 uS; code 0, low level 200 + -20 uS. When the color of the LED lamp needs to be adjusted, for example, the color of the 5 th LED lamp is controlled, the main control CPU combines the colors of the first 4 LED lamps and the color of the 5 th LED lamp into a string of codes, the data format is that the starting code +5 × 24bit data, and the string of data codes is sent.

The MCU of each PIX may be assigned a display address directly upon initialization of the checkerboard. If the display address received by the MCU is matched with the display address of the MCU, the display is performed, otherwise, the data is transmitted downwards, the data transmission quantity can be further reduced, and the efficiency is improved.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A multi-LED control circuit, characterized by: the LED driving circuit comprises a plurality of PIX LEDs, a main control CPU and a circuit board, wherein the plurality of PIX LEDs are installed on the circuit board in series end to end, the two PIX LEDs at the end and the end are connected with the main control CPU, the PIX LEDs comprise an R/G/B LED lamp and an MCU, and the MCU comprises at least 5 paths of GPIOs which are respectively an R/G/B signal PWM output path, an input path and an output path; the MCU is connected with one end of the R/G/B LED lamp through the PWM output of the R/G/B signal respectively, the other end of the R/G/B LED lamp is connected in a common electrode mode, the input circuit is used for receiving control data, the output circuit is used for transmitting the control data, and the output circuit of the MCU in each PIX LED is connected with the input circuit of the MCU in the next PIX LED.

2. A controllable light board employing the multi-LED control circuit of claim 1, wherein: the chessboard comprises a chessboard body, wherein each chess point on the chessboard body is provided with a PIX LED, a plurality of PIX LEDs are connected in series and then are connected with a main control CPU, each PIX LED comprises an R/G/B LED lamp and an MCU, and the MCU comprises at least 5 paths of GPIOs which are respectively an R/G/B signal PWM output path, an input path and an output path; the MCU is connected with one end of the R/G/B LED lamp through the PWM output of the R/G/B signal respectively, the other end of the R/G/B LED lamp is connected in a common electrode mode, the input circuit is used for receiving control data, the output circuit is used for transmitting the control data, and the output circuit of the MCU in each PIX LED is connected with the input circuit of the MCU in the next PIX LED.

3. A controllable lamp electronic go chessboard is characterized by comprising: the chess board comprises a go chessboard body, wherein each chess point of the go chessboard body is provided with an LED lamp, the LED lamp is a PIX LED, all the PIX LEDs are connected with a main control CPU after being connected in series end to end, the PIX LED comprises an R/G/B LED lamp and an MCU, and the MCU comprises at least 5 paths of GPIOs (general purpose input/output), namely an R/G/B signal PWM output path, an input path and an output path; the MCU is connected with one end of the R/G/B LED lamp through the PWM output of the R/G/B signal respectively, the other end of the R/G/B LED lamp is connected in a common electrode mode, the input circuit is used for receiving control data, the output circuit is used for transmitting the control data, and the output circuit of the MCU in each PIX LED is connected with the input circuit of the MCU in the next PIX LED.

4. The controllable lamp electronic go chessboard according to claim 3, characterized in that: the R/G/B LED lamps are connected in a common-female mold mode or in a common-male mode.

5. The controllable lamp electronic go chessboard according to claim 3, characterized in that: each chess point of the go chessboard body is provided with a Hall sensor.