Seven-color change LED lamp control board

Abstract

The utility model discloses a seven color change LED lamp control panel, including PCB board, is equipped with main control module, power module, LED drive control module and communication module on it. Main control module exports seven color change control signal, power module is with DC48V, UPS double input, is powered for main control and LED drive module through conversion and slow -fused fuse, and LED drive module receives signal, and drive board carries RGB -LED lamp and external LED load, and diode array controls external LED current, and communication module multi -interface realizes communication and extension. The utility model discloses the cooperation of each module, realizes stable lamp color change control, and the structure is reasonable, and power supply is stable, and control is reliable and good expansibility.

Description

Technical Field

[0001] This utility model relates to the field of LED light control board technology, specifically to a seven-color changing LED light control board. Background Technology

[0002] LED lights are widely used in decoration and ambiance creation due to their energy-saving and long lifespan advantages. While seven-color LED lights can present rich color effects, existing control boards have several shortcomings: unreasonable structural layout, inconvenient installation and maintenance; poor power supply stability, with power outages or voltage fluctuations easily affecting LED operation or even damaging components; control signals are susceptible to electromagnetic interference, leading to inaccurate seven-color changes and choppy color transitions; poor expandability, making it difficult to adapt to different external LED devices; and a lack of effective electrostatic discharge (ESD) protection, making core components easily damaged by ESD. These problems not only shorten the lifespan of LEDs but also limit the application of control boards in various scenarios. Utility Model Content

[0003] The purpose of this utility model is to provide a seven-color changing LED light control board to solve the technical problems of poor stability, easy signal interference, inaccurate seven-color process, poor expandability, and incompatibility of existing control boards.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A seven-color changing LED light control board includes a PCB board, on which are arranged...

[0006] The main control module is used to output control signals for the seven-color changes;

[0007] The power module includes a DC48V power input interface, a UPS power input interface, a 12V DC-DC converter, and a power driver. Both the DC48V power input interface and the UPS power input interface are connected to the input terminal of the 12V DC-DC converter. The output terminal of the 12V DC-DC converter is connected to the power driver. The power driver is used to supply power to the main control module and the LED driver control module.

[0008] The LED driver control module includes an LED control input port, an external LED connection terminal, RGB-LED lamps and a diode array. The LED control input port is connected to the main control module to receive seven-color change control signals. The external LED connection terminal is used to connect an external LED load. The RGB-LED lamps are connected to the main control module to realize onboard seven-color display. The diode array is connected to both the external LED connection terminal and the main control module to control the current of the external LED load.

[0009] The communication module includes a communication interface, a communication interface B, a USB interface, an FCC output interface A, and an FCC output connection port B. The communication interface, communication interface B, USB interface, and FCC output interface A are all connected to the main control module. The FCC output connection port B works with the FCC output interface A to expand the signal output.

[0010] As a preferred embodiment of this utility model, a slow-blow fuse is also provided on the PCB board, which is connected in series in the power supply circuit between the DC48V power input interface and the 12V DC converter.

[0011] As a preferred embodiment of this utility model, the main control module includes a main control interface A and a main control interface B. The main control interface A is connected to a filter, which is used to filter the signal input to the main control module.

[0012] As a preferred embodiment of this utility model, a DIP switch is provided on the PCB board. The DIP switch is connected to the main control module and is used to switch the control mode of seven-color change.

[0013] As a preferred embodiment of this utility model, the main control module is connected to a 2-wire ESD protection circuit, which is used to provide electrostatic protection for the main control module.

[0014] As a further preferred embodiment of this utility model, PCB board mounting holes are provided on both sides of the PCB board for fixing and installing the control board.

[0015] Compared with existing technologies, the seven-color changing LED light control board of this utility model has the following beneficial effects.

[0016] 1. The power module features dual power inputs and a slow-blow fuse, ensuring stable and safe power supply, guaranteeing continuous operation of the control board, and protecting circuit components during overcurrent.

[0017] 2. The main control module, combined with a filter, protects the control signal from interference, ensuring precise output of the seven-color change control signal and making the LED color change smooth and accurate.

[0018] 3. The LED driver control module can drive both onboard and external LEDs simultaneously, expanding the control range; the diode array can protect external LEDs and extend their service life.

[0019] 4. The communication module features a multi-interface design, facilitating communication with external devices and signal expansion to adapt to different application scenarios; the DIP switch increases control flexibility, allowing users to adjust and change modes as needed.

[0020] 5. A 2-wire ESD protection circuit protects the main control module, reducing the risk of electrostatic damage; PCB board mounting holes make the control board installation more convenient and stable.

[0021] The control board of this utility model has a reasonable structure and layout, reliable control, and is suitable for various scenarios, thus improving the user experience and practicality of the seven-color changing LED light. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only examples of embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0024] Figure label:

[0025] 11-Main control interface A; 12-Main control interface B; 13-Filter;

[0026] 21-DC48V power input interface; 22-UPS power input interface; 23-12V DC-DC converter; 24-Power driver;

[0027] 31 - LED control input port; 32 - External LED connection terminal; 33 - RGB LED light; 34 - Diode array;

[0028] 41-Communication Interface A; 42-Communication Interface B; 43-USB Interface; 44-FCC Output Interface A; 45-FCC Output Connection Port B;

[0029] 50 - Slow-blow fuse; 60 - DIP switch; 70 - 2-wire ESD protection circuit; 80 - PCB board mounting hole; 90 - Transistor. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

[0031] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention.

[0032] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an integral connection, or a detachable connection; they can refer to the internal connection of two components; they can refer to a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present invention should be understood according to the specific circumstances.

[0033] like Figure 1 As shown in the figure, an embodiment of the present invention provides a seven-color changing LED light control board, including a PCB board, on which a main control module, a power supply module, an LED driver control module, and a communication module are disposed.

[0034] The main control module is used to output control signals for the seven-color changes.

[0035] The power module includes a DC48V power input interface 21, a UPS power input interface 22, a 12V DC-DC converter 23, and a power driver 24. The DC48V power input interface 21 and the UPS power input interface 22 are both connected to the input terminal of the 12V DC-DC converter 23. The output terminal of the 12V DC-DC converter 23 is connected to the power driver 24. The power driver 24 is used to supply power to the main control module and the LED driver control module.

[0036] The LED driver control module includes an LED control input port 31, an external LED connection terminal 32, an RGB-LED lamp 33, and a diode array 34. The LED control input port 31 is connected to the main control module to receive seven-color change control signals. The external LED connection terminal 32 is used to connect an external LED load. The RGB-LED lamp 33 is connected to the main control module to realize onboard seven-color display. The diode array 34 is connected to the external LED connection terminal 32 and the main control module to control the current of the external LED load.

[0037] The communication module includes a communication interface 41, a communication interface B42, a USB interface 43, an FCC output interface A44, and an FCC output connection port B44. The communication interface, communication interface B42, USB interface, and FCC output interface A are all connected to the main control module. The FCC output connection port works with FCC output interface A to expand the signal output.

[0038] The main control module outputs a seven-color change control signal. Combined with the power module's dual power input and voltage conversion structure, it provides stable power to both the main control module and the LED driver control module, ensuring continuous power supply. The LED driver control module connects both the onboard RGB-LED lamp 33 and the external LED connector 32, enabling both onboard seven-color display and driving external LED loads, thus expanding the control range. The communication module's multi-interface design and FCC interface allow for flexible communication and signal expansion with external devices. All modules work together to achieve stable and reliable seven-color change control, with a reasonable structural layout suitable for various application scenarios.

[0039] In this embodiment of the invention, a slow-blow fuse 50 is also provided on the PCB board. The slow-blow fuse 50 is connected in series in the power supply circuit between the DC48V power input interface 21 and the 12V DC-DC converter 23. By connecting the slow-blow fuse 50 in series between the DC48V power input interface 21 and the 12V DC-DC converter 23, when an overcurrent occurs in the power supply circuit, it can slowly melt to cut off the circuit, preventing a sudden large current from directly impacting the 12V DC-DC converter 23 and subsequent modules, thereby protecting the components in the circuit from damage and improving the safety of the power supply circuit.

[0040] In this embodiment of the utility model, the main control module includes a main control interface A11 and a main control interface B12. The main control interface A11 is connected to a filter 13. The filter 13 is used to filter the signal input to the main control module to remove interference components, making the signal received by the main control module purer, thereby ensuring that the output seven-color change control signal is accurate and stable, and improving the control precision.

[0041] The PCB board is equipped with a DIP switch 60, which is connected to the main control module. By operating the DIP switch, the seven-color change control mode output by the main control module can be directly switched without complex program modifications. This allows users to adjust the seven-color change pattern (such as change speed, color switching method, etc.) according to actual needs, increasing the flexibility of the control board.

[0042] The main control module is connected to a 2-wire ESD protection circuit 70. The 2-wire ESD protection circuit 70 is used to protect the main control module from electrostatic discharge. It can absorb external electrostatic charges and prevent electrostatic discharge from impacting the main control module through the signal or power path, thus preventing damage to the main control module due to electrostatic discharge, protecting the core control components, and extending the service life of the control board.

[0043] The PCB board has 80mm mounting holes on both sides for fixing the control board. This provides a fixed support point for the control board, making it easy to install the control board stably on the equipment or designated location. This avoids poor circuit contact or component damage caused by shaking during use, and improves the convenience of installation and the stability of the control board's operation.

[0044] The specific circuit schemes for each module in this embodiment are as follows:

[0045] I. Main Control Module Circuit:

[0046] Core component: The STM32F103C8T6 microcontroller is used as the main control chip.

[0047] Connection relationships:

[0048] The microcontroller's PA0-PA2 pins (PWM output) are connected to the LED control input port.

[0049] The PB0-PB3 pins are connected to the DIP switch (4-bit DIP switch, enabling 16 mode switching).

[0050] The PC0 pin is connected to the output of the filter (the filter consists of an RC filter circuit composed of a 100Ω resistor and a 104Ω capacitor).

[0051] The microcontroller's VCC pin is connected to the 3.3V output of the power supply.

[0052] The microcontroller's USART1 interface connects to a USB converter chip (CH340) to enable USB communication.

[0053] II. Power Module Circuit:

[0054] Core components: DC48V input interface (XT30 plug), UPS input interface (DC socket), 12V DC converter (LM2596-12), power driver (AMS1117-3.3), slow-blow fuse (2A / 250V).

[0055] Connection relationships:

[0056] The positive terminals of the DC48V input interface and the UPS input interface are connected in parallel with a diode (1N5822) and then connected in series with a slow-blow fuse.

[0057] The fuse output is connected to the input of the LM2596-12, and its 12V output is connected to:

[0058] Power driver AMS1117-3.3 input terminal (converts to 3.3V for main control module).

[0059] The diode array power supply terminal of the LED driver control module.

[0060] The power supply terminal of the MAX485 chip in the communication module.

[0061] III. LED Driver Control Module Circuit:

[0062] Core components: RGB-LED lamp (common anode type), diode array (1N4148×4), NPN transistor (2N3904×3).

[0063] Connection relationships:

[0064] The PWM output of the main control module is connected to the base of the transistor via a 220Ω resistor.

[0065] The collectors of the transistors are connected to the R / G / B pins of the RGB-LED (the anode is connected to 12V).

[0066] The external LED connection terminal is connected in parallel with the collector of the transistor via a diode array (with a current-limiting resistor connected in series with the diode in the forward direction).

[0067] The common terminal of the diode array is connected to the external LED load interface (terminal block).

[0068] IV. Communication Module Circuit:

[0069] Core components: Communication interface (RS485, using MAX485 chip), Communication interface B (CAN, using MCP2515), USB interface (MicroUSB socket), FCC output interface A (BNC socket).

[0070] Connection relationships:

[0071] The DI / RO pins of the MAX485 are connected to the USART2 interface of the main control module.

[0072] The SPI interface (SCK / MISO / MOSI) of the MCP2515 is connected to the SPI1 of the main control module.

[0073] The USB interface is connected to the main control module USART1 via the CH340 chip.

[0074] The FCC output interface A is connected to the FCC output connector (terminating resistor) via a 50Ω coaxial cable, and the signal input terminal is connected to the DAC output of the main control module.

[0075] V. Protection and Auxiliary Circuits:

[0076] 2-wire ESD protection circuit: An SMBJ6.5AESD diode is connected in series at the signal input interface of the main control module.

[0077] Mounting structure: Four φ3mm mounting holes are symmetrically arranged on both sides of the PCB board, and the hole spacing matches the standard DIN rail mounting base.

[0078] This circuit design achieves collaborative operation of each module through modular design. The dual-input design of the power module ensures continuous power supply. The transistor switch and diode array of the LED driver circuit realize current control. The multi-interface configuration of the communication module meets expansion needs. The overall circuit layout complies with electromagnetic compatibility design specifications, ensuring the stability and reliability of the seven-color change control.

[0079] This seven-color LED light control board uses a main control module as its core, and the working principle of each module is as follows:

[0080] 1. Power Module: Power is supplied through a DC48V power input interface and a UPS power input interface. The voltage is converted to a stable voltage required by the main control module and LED driver through a 12V DC-DC converter and power driver, ensuring continuous power supply. A slow-blow fuse is connected in series in the power supply circuit, which slowly blows in case of overcurrent to protect downstream components.

[0081] 2. Main control module: Generates a seven-color changing control signal, which is transmitted to the LED driver control module via the LED control input port; the filter connected to the main control interface A filters the input signal to make the control signal purer and more accurate.

[0082] 3. LED Driver Control Module: After receiving the control signal from the main control module, it drives the onboard RGB-LED to achieve onboard seven-color display. On the other hand, it controls the current of the external LED load through the external LED connection terminal and diode array, so that the external LED can also complete the seven-color change. The diode array can limit the current of the external LED to avoid overcurrent damage.

[0083] 4. Communication Module: Communication Interface, Communication Interface B, and USB interface can communicate with external devices (transmit control commands or status information). The USB interface can also be used for program upgrades and parameter settings. FCC output interface A, in conjunction with the FCC output connector, can expand signal output.

[0084] In addition, the DIP switch is connected to the main control module and can switch between seven color-changing control modes; a 2-wire ESD protection circuit provides electrostatic protection for the main control module; and PCB board mounting holes are used to fix the control board.

[0085] How to use:

[0086] 1. Installation and fixing: Use the mounting holes on both sides of the PCB board to fix the control board to the equipment or designated location.

[0087] 2. Power connection: Connect the external DC48V power supply to the DC48V power input interface, or connect the UPS power supply to the UPS power input interface.

[0088] 3. External LED connection: If there is an external LED load, connect it to the external LED connection terminal.

[0089] 4. Mode settings: Switch the control modes of the seven-color change (such as change speed, color switching method, etc.) via DIP switch.

[0090] 5. Communication and Expansion: When program upgrades or parameter settings are required, connect to a computer via the USB interface; when communicating with external devices, connect to the corresponding device via the communication interface or communication interface B; to extend the signal, use FCC output interface A and FCC output connector.

[0091] 6. Power-on operation: After power-on, the main control module works and outputs control signals. The LED driver control module drives the onboard RGB-LED lamp and the external LED load to achieve seven-color changes. During the process, the slow-blow fuse protects the power circuit, the filter ensures the accuracy of the control signal, and the 2-wire ESD protection circuit protects the main control module.

[0092] In summary, the overall technical effects of the seven-color changing LED light control board provided by this utility model embodiment are as follows:

[0093] 1. The power module's dual power inputs and slow-blow fuses ensure stable and safe power supply, guarantee continuous operation of the control board, and protect circuit components during overcurrent.

[0094] 2. The main control module, combined with a filter, protects the control signal from interference, ensuring precise output of the seven-color change control signal and making the LED color change smooth and accurate.

[0095] 3. The LED driver control module can drive both onboard and external LEDs simultaneously, expanding the control range; the diode array can protect external LEDs and extend their service life.

[0096] 4. The communication module features a multi-interface design, facilitating communication with external devices and signal expansion to adapt to different application scenarios; the DIP switch increases control flexibility, allowing users to adjust and change modes as needed.

[0097] 5. A 2-wire ESD protection circuit protects the main control module, reducing the risk of electrostatic damage; PCB board mounting holes make the control board installation more convenient and stable.

[0098] The control board of this utility model has a reasonable structure and layout, reliable control, and is suitable for various scenarios, thus improving the user experience and practicality of the seven-color changing LED light.

[0099] The foregoing has shown and described the basic principles of the present invention. The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only illustrative of the principles of the present invention. Any modifications, equivalent substitutions, and improvements made within the scope of the present invention without departing from the scope of the present invention should be included within the protection scope of the present invention.

Claims

1. A seven-color changing LED light control board, characterized in that: Includes a PCB board, wherein the PCB board is provided with: The main control module is used to output control signals for the seven-color changes; The power module includes a DC48V power input interface (21), a UPS power input interface (22), a 12V DC-DC converter (23), and a power driver (24). The DC48V power input interface (21) and the UPS power input interface (22) are both connected to the input terminal of the 12V DC-DC converter (23). The output terminal of the 12V DC-DC converter (23) is connected to the power driver (24). The power driver (24) is used to supply power to the main control module and the LED driver control module. The LED driver control module includes an LED control input port (31), an external LED connection terminal (32), an RGB-LED lamp (33), and a diode array (34). The LED control input port (31) is connected to the main control module to receive a seven-color change control signal. The external LED connection terminal (32) is used to connect an external LED load. The RGB-LED lamp (33) is connected to the main control module to realize onboard seven-color display. The diode array (34) is connected to the external LED connection terminal (32) and the main control module to control the current of the external LED load. The communication module includes a communication interface A (41), a communication interface B (42), a USB interface (43), an FCC output interface A (44), and an FCC output connection port B (45). The communication interface A (41), the communication interface B (42), the USB interface (43), and the FCC output interface A (44) are all connected to the main control module. The FCC output connection port B (45) cooperates with the FCC output interface A (44) to expand the signal output.

2. The seven-color changing LED light control board according to claim 1, characterized in that: The PCB board is also provided with a slow-blow fuse (50), which is connected in series in the power supply circuit between the DC48V power input interface (21) and the 12V DC converter (23).

3. The seven-color changing LED light control board according to claim 1, characterized in that: The main control module includes a main control interface A (11) and a main control interface B (12). The main control interface A (11) is connected to a filter (13), which is used to filter the signal input to the main control module.

4. The seven-color changing LED light control board according to claim 1, characterized in that: The PCB board is equipped with a DIP switch (60), which is connected to the main control module and is used to switch the control mode of the seven-color change.

5. A seven-color changing LED light control board according to claim 1, characterized in that: The main control module is connected to a 2-wire ESD protection circuit (70), which is used to provide electrostatic protection for the main control module.

6. A seven-color changing LED light control board according to any one of claims 1-5, characterized in that: The PCB board has mounting holes (80) on both sides.

7. A seven-color changing LED light control board according to claim 6, characterized in that: The PCB board is also equipped with transistors (90) that are connected to the power module.

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