CN214481382U - Self-adaptation LED lamp plate circuit based on MCU control - Google Patents

Self-adaptation LED lamp plate circuit based on MCU control Download PDF

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CN214481382U
CN214481382U CN202120017490.1U CN202120017490U CN214481382U CN 214481382 U CN214481382 U CN 214481382U CN 202120017490 U CN202120017490 U CN 202120017490U CN 214481382 U CN214481382 U CN 214481382U
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capacitor
port
led lamp
resistor
circuit
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葛曙光
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Hangzhou Ruisike Technology Co ltd
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Hangzhou Ruisike Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

The utility model provides a self-adaptation LED lamp plate circuit based on MCU control, including control module (10) and LED lamp module (20), control module (10) are connected with mainboard switching chip Switch for receive the LED lamp sequence signal of mainboard switching chip Switch output; the control module (10) is connected with the LED lamp module (20) and used for outputting an automatically processed LED lamp sequence signal to the LED lamp module (20) and controlling the LED lamp to flash on and off. After receiving the LED lamp sequence signal, the circuit automatically detects and converts the LED lamp sequence signal to form a required LED lamp array signal, outputs the required LED lamp array signal to the LED lamp panel, and controls the LED lamp to flash on and off, so that the LED lamp panel can adapt to different product forms; and the module reuse can be carried out to the maximum extent, and the component types in the product bill of materials are reduced.

Description

Self-adaptation LED lamp plate circuit based on MCU control
Technical Field
The utility model relates to a LED circuit technical field, more specifically the utility model relates to a self-adaptation LED lamp plate circuit based on MCU control.
Background
An ethernet switch is a multi-port network device that performs data transmission over ethernet, where each port is connectable to a host or a network node, and forwards data to a destination host or network node based on a hardware address in a received data frame.
The Switch generally adopts the design of separating network port connector and LED lamp, and after mainboard switching chip Switch outputs the LED lamp sequence to the LED lamp plate, adopts logic chip or CPLD to convert to parallel, then carries out the arrangement of LED lamp according to the product form.
When a logic chip is adopted to convert LED lamp sequence signals, when the number or the form of ports of the switch is changed in different switch products, LED lamps of a network port need to be rearranged, and because pins of the logic chip correspond to serial numbers of the network port, the serial numbers cannot be changed, an LED lamp panel needs to be redesigned, and multiplexing cannot be achieved; when the CPLD chip is adopted to convert the LED lamp sequence signals, when the number or the form of ports of the switch is changed in different switch products, the CPLD chip software and the pin configuration are fixed, so that the LED lamp sequence conversion circuit cannot flexibly adapt to different LED lamp output sequences, and even if the CPLD upgrading software is realized through other interfaces to adapt to different sequences, a data channel interface between the CPLD and the main control CPU is required to be increased, so that the circuit design becomes complicated.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a self-adaptation LED lamp plate circuit based on MCU control.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a self-adaptation LED lamp plate circuit based on MCU control, its improvement lies in: the LED lamp switching device comprises a control module (10) and an LED lamp module (20), wherein the control module (10) is connected with a mainboard switching chip Switch and is used for receiving an LED lamp sequence signal output by the mainboard switching chip Switch; the control module (10) is connected with the LED lamp module (20) and used for outputting an automatically processed LED lamp sequence signal to the LED lamp module (20) and controlling the LED lamp to flash on and off.
IN the circuit, the control module (10) comprises a Micro Control Unit (MCU), a starting circuit (30), a clock circuit (40) and a reset circuit (50), wherein the Micro Control Unit (MCU) comprises a first starting port BOOT0, a second starting port BOOT1, a clock input port DSC IN, a clock output port DSC OUT, a reset port NRST, a first serial bus port SDA, a second serial bus port SCL and a universal input/output I/O port, and the universal input/output I/O port comprises a universal input/output port I/O1;
the first start-up port BOOT0 is connected with the resistor R90, the other end of the resistor R90 is connected with the start-up circuit (30), the second start-up port BOOT1 is connected with the resistor R91, and the other end of the resistor R91 is connected with the start-up circuit (30);
the clock input port DSC IN and the clock output port DSC OUT are both connected with a clock circuit (40), and the reset port NRST is connected with a reset circuit (50);
the first serial bus port SDA and the second serial bus port SCL are both connected with a mainboard switching chip, and the universal input/output port I/O1 is connected with the LED lamp module (20).
In the circuit, the LED lamp module (20) comprises an LED lamp circuit (70);
the LED lamp circuit (70) comprises a light emitting diode LED1 and a resistor R1, wherein the anode of the light emitting diode LED1 is connected with a first power supply, the cathode of the light emitting diode LED1 is connected with a resistor R1, and the other end of the resistor R1 is connected with a universal input/output port I/O1.
In the circuit, the micro control unit MCU is provided with a plurality of general input/output I/O ports, the LED lamp module (20) is provided with a plurality of LED lamp circuits (70) corresponding to the number of the general input/output I/O ports, and each LED lamp circuit (70) is connected with the general input/output I/O port.
In the circuit, the starting circuit (30) comprises a first plug terminal J1 and a second plug terminal J2, the first plug terminal J1 comprises a power port P1, a port P2 and a ground port P3, the power port P1 is connected with a first power supply, the port P2 is connected with a resistor R90, the ground port P3 is grounded, the second plug terminal J2 comprises a power port P4, a port P5 and a ground port P6, the power port P4 is connected with the first power supply, the port P5 is connected with the resistor R91, and the ground port P6 is grounded.
IN the circuit, the clock circuit (40) comprises a capacitor C1, a capacitor C2, a crystal oscillator Y1, a resistor R80 and a resistor R81, one end of a capacitor C1 is connected with the clock input port DSC IN, the other end of a capacitor C1 is grounded, one end of a capacitor C2 is connected with the clock output port DSC OUT, the other end of the capacitor C2 is grounded, a resistor R80 is arranged between the capacitor C2 and the clock output port DSC OUT, a first connecting point (80) is arranged between the resistor R80 and the capacitor C2, a second connecting point (90) is arranged between the capacitor C1 and the clock input port DSC IN, a crystal oscillator Y1 and a resistor R81 are connected between the first connecting point (80) and the second connecting point (90), and the crystal oscillator Y1 is connected with the resistor R81 IN parallel.
In the circuit, the reset circuit (50) comprises a key switch S, a resistor R82, a capacitor C3 and a resistor R83, one end of the key switch S is grounded, the other end of the key switch S is connected with a reset port NRST, a resistor R82 is arranged between the key switch S and the reset port NRST, a third connection point (100) is arranged between the resistor R82 and the reset port NRST, the third connection point (100) is connected with a capacitor C3, the other end of the capacitor C3 is grounded, the third connection point (100) is connected with a resistor R83, and the other end of the resistor R83 is connected with a first power supply.
In the circuit, the model of the micro control unit MCU is STM32F103RVT 6.
In the circuit, the LED lamp control circuit further comprises a power supply module (110), the power supply module (110) comprises a voltage reduction circuit (1101), and the voltage reduction circuit (1101) is connected with the control module (10) and the LED lamp module (20) and used for outputting different voltages to the control module (10) and the LED lamp module (20).
IN the circuit, the voltage reduction circuit (1101) comprises a voltage reducer U1 and an inductor L, and the voltage reducer U1 comprises a power input port IN, an enable control port EN, a ground port P7, an output feedback port FB, a ceramic capacitance decoupling port BS and an inductor port LX;
the power input port IN is connected with a second power supply, a fourth connection point (120) is arranged between the power input port IN and the second power supply, the fourth connection point (120) is connected with a capacitor C4, a capacitor C5 and a capacitor C6, the other ends of the capacitor C4, the capacitor C5 and the capacitor C6 are grounded, and the capacitor C4, the capacitor C5 and the capacitor C6 are connected IN parallel;
the enabling control port EN is connected with a capacitor C7, the other end of the capacitor C7 is grounded, a fifth connection point (130) is arranged between the enabling control port EN and the capacitor C7, the fifth connection point (130) is connected with a resistor R84, and the other end of the resistor R84 is connected with a fourth connection point (120); ground port P7 is grounded;
the output feedback port FB is connected with a resistor R85, the other end of the resistor R85 is grounded, a sixth connection point (140) is arranged between the output feedback port FB and the resistor R85, the sixth connection point (140) is connected with both the resistor R86 and a capacitor C8, the other ends of the resistor R86 and the capacitor C8 are connected with a seventh connection point (150), the resistor R86 and the capacitor C8 are connected in parallel, the other end of the seventh connection point (150) is connected with a resistor R87, and the other end of the resistor R87 is connected with an eighth connection point (160);
the decoupling port BS of the ceramic capacitor is connected with a capacitor C9, the other end of the capacitor C9 is connected with a ninth connection point (170), the ninth connection point (170) is connected with a resistor R88, the other end of the resistor R88 is connected with a capacitor C10, the other end of the capacitor C10 is grounded, and the resistor R88 and the capacitor C10 are both connected with the capacitor C9 in parallel;
the inductor port LX is connected with a ninth connection point (170), the ninth connection point (170) is connected with an inductor L, and the other end of the inductor L is connected with an eighth connection point (160);
the eighth connecting point (160) is further connected with a capacitor C11, a capacitor C12, a capacitor C13 and a capacitor C14, the other ends of the capacitor C11, the capacitor C12, the capacitor C13 and the capacitor C14 are all grounded, and the capacitor C11, the capacitor C12, the capacitor C13 and the capacitor C14 are all connected in parallel; the eighth connection point (160) is further connected with a polar capacitor C15 and a polar capacitor C16, the eighth connection point (160) is connected with the positive electrodes of the polar capacitor C15 and the polar capacitor C16, the negative electrodes of the polar capacitor C15 and the polar capacitor C16 are grounded, and the polar capacitor C15 and the polar capacitor C16 are connected in parallel;
the eighth connection point (160) is connected with both the control module (10) and the LED lamp module (20) and is used for outputting different voltages as a first power supply to the control module (10) and the LED lamp module (20).
The utility model has the advantages that: after receiving the LED lamp sequence signal, automatically detecting and converting the LED lamp sequence signal to form a required LED lamp array signal, outputting the required LED lamp array signal to an LED lamp panel, and controlling the LED lamp to flash on and off so that the LED lamp panel can adapt to different product forms; and the module reuse can be carried out to the maximum extent, and the component types in the product bill of materials are reduced.
Drawings
Fig. 1 is the utility model discloses a structural block diagram of self-adaptation LED lamp plate circuit based on MCU control.
Fig. 2 is a circuit diagram of a control module according to the present invention.
Fig. 3 is a circuit diagram of the LED lamp module of the present invention.
Fig. 4 is a circuit diagram of the starting module of the present invention.
Fig. 5 is a circuit diagram of a clock circuit according to the present invention.
Fig. 6 is a circuit diagram of a reset circuit according to the present invention.
Fig. 7 is a circuit diagram of a power module according to the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.
Referring to fig. 1, the utility model discloses a self-adaptation LED lamp plate circuit based on MCU control, including control module 10 and LED lamp module 20, control module 10 is connected with mainboard exchange chip Switch, a LED lamp sequence signal for receiving mainboard exchange chip Switch output, control module 10 is connected with LED lamp module 20, a LED lamp sequence signal for exporting automatic handling gives LED lamp module 20, behind the LED lamp sequence signal that control module 10 received, to LED lamp sequence signal automated inspection and conversion, form the LED lamp array signal that needs, output gives LED lamp module 20, the bright scintillation of the LED lamp in the control LED lamp module 20, make the LED lamp plate accomplish the different product form of adaptation.
IN this embodiment, the control module 10 includes a micro control unit MCU, a start circuit 30, a clock circuit 40 and a reset circuit 50, the micro control unit MCU completes automatic detection and conversion of the LED lamp sequence signal, the micro control unit MCU includes a first start port BOOT0, a second start port BOOT1, a clock input port DSC IN, a clock output port DSC OUT, a reset port NRST, a first serial bus port SDA, a second serial bus port SCL and a general input/output I/O port, the general input/output I/O port includes a general input/output port I/O1;
the first start-up port BOOT0 is connected with the resistor R90, the other end of the resistor R90 is connected with the start-up circuit 30, the second start-up port BOOT1 is connected with the resistor R91, and the other end of the resistor R91 is connected with the start-up circuit 30;
the clock input port DSC IN and the clock output port DSC OUT are both connected with the clock circuit 40, and the reset port NRST is connected with the reset circuit 50;
the first serial bus port SDA and the second serial bus port SCL are both connected to the motherboard switching chip Switch, the general input/output port I/O1 is connected to the LED lamp module 20, and the LED lamp sequence signal converted by the MCU is output to the LED lamp module 20 through the general input/output port I/O1.
The LED lamp module 20 in this embodiment includes an LED lamp circuit 70; the LED lamp circuit 70 includes a light emitting diode LED1 and a resistor R1, an anode of the light emitting diode LED1 is connected to the first power supply, a cathode of the light emitting diode LED1 is connected to the resistor R1, and the other end of the resistor R1 is connected to the general input/output port I/O.
In this embodiment, the MCU has a plurality of general input/output I/O ports, the LED lamp module 20 has a plurality of LED lamp circuits 70 corresponding to the number of the general input/output I/O ports, each LED lamp circuit 70 is connected to the general input/output I/O ports, a plurality of LED lamps in the LED lamp circuits 70 form an LED array, and the LED lamp sequence signals automatically detected and converted by the MCU are output to the LED lamp array through the general input/output I/O ports, so that the LED lamp panel can adapt to different product forms, and the LED lamp panels and the LED lamp circuits 70 can maximize the module multiplexing, the more the number of LED lamps is, the multiplexing of LED lamp panel products can be supported, for example, the circuit of the present invention having 50 LED lamps can support LED lamp panels requiring 50 LED lamps, the LED lamp panel product that needs 40 LED lamps also can be supported, the LED lamp panel product that also can support 5 LED lamps has reduced the subassembly type in the product bill of materials.
Further, referring to fig. 2 and 3, the model of the MCU is STM32F103RVT6, the MCU has 72 general input/output I/O ports, including, for example, general input/output port I/O1, general input/output port I/O2, general input/output port I/O3, etc., the LED module 20 has 72 LED lamp circuits 70 in corresponding number, including, for example, LED1, LED2, LED3, etc., and also including, for example, resistor R1, resistor R2, resistor R3, etc., the 72 LED lamp circuits 70 form an LED lamp array, each LED lamp circuit 70 is connected to the general input/output I/O port, the MCU outputs the LED lamp sequence signals after automatic detection and conversion to the LED lamp array through the 72 general input/output I/O ports, so that the MCU can control the flashing and flashing of the 72 LED lamps, the LED lamp panel can adapt to different product forms. The model of the microcontrol unit MCU that explains in this embodiment explains for preferred embodiment, the utility model provides a microcontrol unit MCU can also adopt other models to have the general input/output IO mouth of different quantity, combine the LED lamp circuit 70 of corresponding quantity, form different LED lamp arrays, further make the LED lamp plate accomplish to adapt to different product forms.
Referring to fig. 4, the starting circuit 30 includes a first plug terminal J1 and a second plug terminal J2, the first plug terminal J1 includes a power port P1, a port P2 and a ground port P3, the power port P1 is connected to a first power supply, the port P2 is connected to a resistor R90, the ground port P3 is grounded, the second plug terminal J2 includes a power port P4, a port P5 and a ground port P6, the power port P4 is connected to the first power supply, the port P5 is connected to a resistor R91, and the ground port P6 is grounded.
Referring to fig. 5, the clock circuit 40 includes a capacitor C1, a capacitor C2, a crystal oscillator Y1, a resistor R80, and a resistor R81, one end of the capacitor C1 is connected to the clock input port DSC IN, the other end of the capacitor C1 is grounded, one end of the capacitor C2 is connected to the clock output port DSC OUT, the other end of the capacitor C2 is grounded, a resistor R80 is disposed between the capacitor C2 and the clock output port DSC OUT, a first connection point 80 is disposed between the resistor R80 and the capacitor C2, a second connection point 90 is disposed between the capacitor C1 and the clock input port DSC IN, a crystal oscillator Y1 and a resistor R81 are connected between the first connection point 80 and the second connection point 90, and the crystal oscillator Y1 is connected IN parallel to the resistor R81.
Referring to fig. 6, the reset circuit 50 includes a key switch S, a resistor R82, a capacitor C3, and a resistor R83, one end of the key switch S is grounded, the other end of the key switch S is connected to a reset port NRST, a resistor R82 is disposed between the key switch S and the reset port NRST, a third connection point 100 is disposed between the resistor R82 and the reset port NRST, the third connection point (100) is connected to a capacitor C3, the other end of the capacitor C3 is grounded, the third connection point 100 is connected to a resistor R83, and the other end of the resistor R83 is connected to a first power supply.
Referring to fig. 7, the circuit further includes a power module 110, where the power module 110 includes a voltage-reducing circuit 1101, and the voltage-reducing circuit 1101 is connected to both the control module 10 and the LED lamp module 20, and is configured to output a required voltage as a first power supply to the control module 10 and the LED lamp module 20 according to requirements of the control module 10 and the LED lamp module 20;
the voltage reduction circuit 1101 comprises a voltage reducer U1 and an inductor L, and the voltage reducer U1 comprises a power input port IN, an enable control port EN, a ground port P7, an output feedback port FB, a ceramic capacitor decoupling port BS and an inductor port LX;
further, a power input port IN is connected to a second power supply, the second power supply is 12V, and is used as an input power supply of the voltage reduction circuit 1101, a fourth connection point 120 is arranged between the power input port IN and the second power supply, the fourth connection point 120 is connected to a capacitor C4, a capacitor C5 and a capacitor C6, the other ends of the capacitor C4, the capacitor C5 and the capacitor C6 are grounded, and the capacitor C4, the capacitor C5 and the capacitor C6 are all connected IN parallel;
the enabling control port EN is connected with a capacitor C7, the other end of the capacitor C7 is grounded, a fifth connection point 130 is arranged between the enabling control port EN and the capacitor C7, the fifth connection point 130 is connected with a resistor R84, and the other end of the resistor R84 is connected with a fourth connection point 120; ground port P7 is grounded;
the output feedback port FB is connected with a resistor R85, the other end of the resistor R85 is grounded, a sixth connection point 140 is arranged between the output feedback port FB and the resistor R85, the sixth connection point 140 is connected with a resistor R86 and a capacitor C8, the other ends of the resistor R86 and the capacitor C8 are connected with a seventh connection point 150, the resistor R86 and the capacitor C8 are connected in parallel, the other end of the seventh connection point 150 is connected with a resistor R87, and the other end of the resistor R87 is connected with an eighth connection point 160;
the decoupling port BS of the ceramic capacitor is connected with a capacitor C9, the other end of the capacitor C9 is connected with a ninth connection point 170, the ninth connection point 170 is connected with a resistor R88, the other end of the resistor R88 is connected with a capacitor C10, the other end of the capacitor C10 is grounded, and the resistor R88 and the capacitor C10 are both connected with the capacitor C9 in parallel;
the inductor port LX is connected to the ninth connection point 170, the ninth connection point 170 is connected to the inductor L, and the other end of the inductor L is connected to the eighth connection point 160;
the eighth connection point 160 is further connected with a capacitor C11, a capacitor C12, a capacitor C13 and a capacitor C14, the other ends of the capacitor C11, the capacitor C12, the capacitor C13 and the capacitor C14 are all grounded, and the capacitor C11, the capacitor C12, the capacitor C13 and the capacitor C14 are all connected in parallel; the eighth connection point 160 is further connected with a polar capacitor C15 and a polar capacitor C16, the eighth connection point 160 is connected with the positive electrodes of the polar capacitor C15 and the polar capacitor C16, the negative electrodes of the polar capacitor C15 and the polar capacitor C16 are both grounded, and the polar capacitor C15 and the polar capacitor C16 are connected in parallel;
the eighth connection point 160 is connected to both the control module 10 and the LED lamp module 20, and is configured to output a voltage of 3.3V as the first power source to the control module 10 and the LED lamp module 20. The power module (110) described in this embodiment steps down the 12V power to 3.3V, and then outputs 3.3V to the control module 10 and the LED lamp module 20 for use, which is described as a preferred embodiment, the present invention can also step down different input voltages to different voltage outputs as required, and use them as the first power to the control module 10 and the LED lamp module (20).
The utility model has the advantages that: after receiving the LED lamp sequence signal, automatically detecting and converting the LED lamp sequence signal to form a required LED lamp array signal, outputting the required LED lamp array signal to an LED lamp panel, and controlling the LED lamp to flash on and off so that the LED lamp panel can adapt to different product forms; and the module reuse can be carried out to the maximum extent, and the component types in the product bill of materials are reduced.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (10)

1. The utility model provides a self-adaptation LED lamp plate circuit based on MCU control which characterized in that: comprises a control module (10) and an LED lamp module (20),
the control module (10) is connected with the mainboard switching chip Switch and used for receiving the LED lamp sequence signal output by the mainboard switching chip Switch;
the control module (10) is connected with the LED lamp module (20) and used for outputting an automatically processed LED lamp sequence signal to the LED lamp module (20) and controlling the LED lamp to flash on and off.
2. The MCU control-based adaptive LED lamp panel circuit of claim 1, wherein: the control module (10) comprises a Micro Control Unit (MCU), a starting circuit (30), a clock circuit (40) and a reset circuit (50), wherein the Micro Control Unit (MCU) comprises a first starting port BOOT0, a second starting port BOOT1, a clock input port DSC IN, a clock output port DSC OUT, a reset port NRST, a first serial bus port SDA, a second serial bus port SCL and a universal input/output I/O port, and the universal input/output I/O port comprises a universal input/output port I/O1;
the first start-up port BOOT0 is connected with the resistor R90, the other end of the resistor R90 is connected with the start-up circuit (30), the second start-up port BOOT1 is connected with the resistor R91, and the other end of the resistor R91 is connected with the start-up circuit (30);
the clock input port DSC IN and the clock output port DSC OUT are both connected with a clock circuit (40), and the reset port NRST is connected with a reset circuit (50);
the first serial bus port SDA and the second serial bus port SCL are both connected with a mainboard switching chip, and the universal input/output port I/O1 is connected with the LED lamp module (20).
3. The MCU control-based adaptive LED lamp panel circuit of claim 2, wherein: the LED lamp module (20) comprises an LED lamp circuit (70);
the LED lamp circuit (70) comprises a light emitting diode LED1 and a resistor R1, wherein the anode of the light emitting diode LED1 is connected with a first power supply, the cathode of the light emitting diode LED1 is connected with a resistor R1, and the other end of the resistor R1 is connected with a general input/output port I/O.
4. The MCU control-based adaptive LED lamp panel circuit of claim 3, wherein: the LED lamp module (20) is provided with a plurality of LED lamp circuits (70) corresponding to the number of the universal input/output I/O ports, and each LED lamp circuit (70) is connected with the universal input/output I/O port.
5. The MCU control-based adaptive LED lamp panel circuit of claim 2, wherein: the starting circuit (30) comprises a first plug terminal J1 and a second plug terminal J2, the first plug terminal J1 comprises a power supply port P1, a port P2 and a ground port P3, the power supply port P1 is connected with a first power supply, the port P2 is connected with a resistor R90, the ground port P3 is grounded, the second plug terminal J2 comprises a power supply port P4, a port P5 and a ground port P6, the power supply port P4 is connected with the first power supply, the port P5 is connected with the resistor R91, and the ground port P6 is grounded.
6. The MCU control-based adaptive LED lamp panel circuit of claim 2, wherein: the clock circuit (40) comprises a capacitor C1, a capacitor C2, a crystal oscillator Y1, a resistor R80 and a resistor R81, one end of a capacitor C1 is connected with a clock input port DSCIN, the other end of a capacitor C1 is grounded, one end of a capacitor C2 is connected with a clock output port DSC OUT, the other end of the capacitor C2 is grounded, a resistor R80 is arranged between a capacitor C2 and the clock output port DSC OUT, a first connecting point (80) is arranged between the resistor R80 and the capacitor C2, a second connecting point (90) is arranged between the capacitor C1 and the clock input port DSC IN, a crystal oscillator Y1 and a resistor R81 are connected between the first connecting point (80) and the second connecting point (90), and the crystal oscillator Y1 is connected with the resistor R81 IN parallel.
7. The MCU control-based adaptive LED lamp panel circuit of claim 2, wherein: the reset circuit (50) comprises a key switch S, a resistor R82, a capacitor C3 and a resistor R83, one end of the key switch S is grounded, the other end of the key switch S is connected with a reset port NRST, a resistor R82 is arranged between the key switch S and the reset port NRST, a third connecting point (100) is arranged between the resistor R82 and the reset port NRST, the third connecting point (100) is connected with a capacitor C3, the other end of the capacitor C3 is grounded, the third connecting point (100) is connected with a resistor R83, and the other end of the resistor R83 is connected with a first power supply.
8. The MCU control-based adaptive LED lamp panel circuit of claim 2, wherein: the model of the micro control unit MCU is STM32F103RVT 6.
9. The MCU control-based adaptive LED lamp panel circuit of claim 1, wherein: the LED lamp is characterized by further comprising a power supply module (110), wherein the power supply module (110) comprises a voltage reduction circuit (1101), and the voltage reduction circuit (1101) is connected with the control module (10) and the LED lamp module (20) and used for outputting different voltages to the control module (10) and the LED lamp module (20).
10. The MCU control-based adaptive LED lamp panel circuit of claim 9, wherein: the voltage reduction circuit (1101) comprises a voltage reducer U1 and an inductor L, and the voltage reducer U1 comprises a power input port IN, an enabling control port EN, a grounding port P7, an output feedback port FB, a ceramic capacitor decoupling port BS and an inductor port LX;
the power input port IN is connected with a second power supply, a fourth connection point (120) is arranged between the power input port IN and the second power supply, the fourth connection point (120) is connected with a capacitor C4, a capacitor C5 and a capacitor C6, the other ends of the capacitor C4, the capacitor C5 and the capacitor C6 are grounded, and the capacitor C4, the capacitor C5 and the capacitor C6 are connected IN parallel;
the enabling control port EN is connected with a capacitor C7, the other end of the capacitor C7 is grounded, a fifth connection point (130) is arranged between the enabling control port EN and the capacitor C7, the fifth connection point (130) is connected with a resistor R84, and the other end of the resistor R84 is connected with a fourth connection point (120); ground port P7 is grounded;
the output feedback port FB is connected with a resistor R85, the other end of the resistor R85 is grounded, a sixth connection point (140) is arranged between the output feedback port FB and the resistor R85, the sixth connection point (140) is connected with both the resistor R86 and a capacitor C8, the other ends of the resistor R86 and the capacitor C8 are connected with a seventh connection point (150), the resistor R86 and the capacitor C8 are connected in parallel, the other end of the seventh connection point (150) is connected with a resistor R87, and the other end of the resistor R87 is connected with an eighth connection point (160);
the decoupling port BS of the ceramic capacitor is connected with a capacitor C9, the other end of the capacitor C9 is connected with a ninth connection point (170), the ninth connection point (170) is connected with a resistor R88, the other end of the resistor R88 is connected with a capacitor C10, the other end of the capacitor C10 is grounded, and the resistor R88 and the capacitor C10 are both connected with the capacitor C9 in parallel;
the inductor port LX is connected with a ninth connection point (170), the ninth connection point (170) is connected with an inductor L, and the other end of the inductor L is connected with an eighth connection point (160);
the eighth connecting point (160) is further connected with a capacitor C11, a capacitor C12, a capacitor C13 and a capacitor C14, the other ends of the capacitor C11, the capacitor C12, the capacitor C13 and the capacitor C14 are all grounded, and the capacitor C11, the capacitor C12, the capacitor C13 and the capacitor C14 are all connected in parallel; the eighth connection point (160) is further connected with a polar capacitor C15 and a polar capacitor C16, the eighth connection point (160) is connected with the positive electrodes of the polar capacitor C15 and the polar capacitor C16, the negative electrodes of the polar capacitor C15 and the polar capacitor C16 are grounded, and the polar capacitor C15 and the polar capacitor C16 are connected in parallel;
the eighth connection point (160) is connected with both the control module (10) and the LED lamp module (20) and is used for outputting different voltages as a first power supply to the control module (10) and the LED lamp module (20).
CN202120017490.1U 2021-01-05 2021-01-05 Self-adaptation LED lamp plate circuit based on MCU control Active CN214481382U (en)

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Application Number Priority Date Filing Date Title
CN202120017490.1U CN214481382U (en) 2021-01-05 2021-01-05 Self-adaptation LED lamp plate circuit based on MCU control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120017490.1U CN214481382U (en) 2021-01-05 2021-01-05 Self-adaptation LED lamp plate circuit based on MCU control

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Publication Number Publication Date
CN214481382U true CN214481382U (en) 2021-10-22

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