Automobile logo lamp control circuit

Abstract

The utility model belongs to the technical field of LED control circuits, and particularly relates to an automobile logo lamp control circuit, which comprises a power supply module, an LIN transceiver module and an LED driving module, the power supply module is respectively connected with the LIN transceiver module and the LED driving module, the LIN transceiver module is respectively connected with the power supply module and the LED driving module, and the LED driving module is connected with the power supply module. The LED driving module is connected with the power module and the LIN transceiver module, even if breathing and flickering functions need to be achieved in the lamp using process, a microcontroller does not need to be additionally arranged in the circuit, the using cost is effectively reduced, the electromagnetic compatibility of the circuit is improved, and the using effect of the automobile logo lamp is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED control circuits, in particular to a vehicle logo light control circuit. Background Art

[0002] The new energy market is becoming increasingly competitive. In order to increase customer differentiation needs, new car logo lights are beginning to appear on the market to meet customer needs for personalization and decoration. During use, car logo lights require corresponding control circuits to control them.

[0003] However, the current control circuit still has the following technical problems when used:

[0004] At present, the car marking lights on the market mainly use constant current circuits or DCDC voltage conversion methods to drive the sign light LED to light up the sign light. If the function of the lamp is to achieve breathing and flashing, a microcontroller (MCU) needs to be added to the circuit, which makes the overall cost high. In addition, if the lamp is long, like the length of a through-type taillight, the wiring harness inside the lamp will also be longer, which will be difficult to handle in terms of electromagnetic compatibility (EMC).

[0005] Therefore, a vehicle logo light control circuit is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a vehicle logo light control circuit to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle logo light control circuit, comprising a power supply module, a LIN transceiver module and an LED driver module, wherein the power supply module is respectively connected to the LIN transceiver module and the LED driver module, wherein the LIN transceiver module is respectively connected to the power supply module and the LED driver module, wherein the LED driver module is respectively connected to the power supply module and the LIN transceiver module;

[0008] The power module comprises a connector P1, a diode D1, a TVS tube D2, a capacitor C3, a capacitor C4, and a capacitor C5, one end of the TVS tube D2 is connected to the first pin of the connector P1 and the positive electrode of the diode D1, and the other end is grounded;

[0009] The LIN transceiver module includes a chip U2, a TVS tube D3, a capacitor C8, a capacitor C10, a capacitor C11, a resistor R7, a resistor R8, a resistor R9, a resistor R13, and a resistor R15. The first pin of the chip U2 is connected to one end of the resistor R8 and the resistor R13, the second pin of the chip U2 is connected to one end of the resistor R7, the third pin and the eighth pin of the chip U2 are suspended, the fourth pin of the chip U2 is connected to one end of the resistor R9 and the resistor R15, the fifth pin and the ninth pin of the chip U2 are grounded, the sixth pin of the chip is connected to the capacitor C10, the capacitor C11, the first pin of the TVS tube D3, and the third pin of the connector P1 in the power module, and the seventh pin of the chip U2 is connected to one end of the capacitor C8, the negative electrode of the diode D1 in the power module, and the capacitor C3, the capacitor C4, and the capacitor C5 in the power module;

[0010] The LED driving module includes a chip U1, a capacitor C1, a capacitor C2, a capacitor C6, a capacitor C7, a capacitor C9, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R10, a resistor R11, a resistor R12, a resistor R14, an LED1, a LED2, a LED3, a LED4, a LED5, a LED6, a LED7, a LED8, a LED9, a LED10, a LED11, a LED12, a LED13, a LED14, a LED15, a LED16, a LED17, a LED18, a LED19, a LED20, a LED21, and a L ED22, LED23, LED24, one end of the capacitors C1 and C2 are connected to the cathode of the diode D1 in the power module, one end of the capacitors C3, C4 and C5, and the other end is grounded; one end of the capacitors C6 and C7 are connected to the second pin of the chip U1, one end of the resistor R1, one end of the resistor R3, one end of the resistor R4, one end of the resistor R5, one end of the resistor R6, and one end of the resistors R7, R8 and R9 in the LIN transceiver module, and the other end is grounded; one end of the capacitor C9 is connected to one end of the resistor R14 and the twelfth pin of the chip U1, and the other end is grounded.

[0011] Preferably, the anode of the diode D1 is connected to the first pin of the connector P1 and one end of the TVS tube D2, the cathode of the diode D1 is connected to one end of the capacitor C3, the capacitor C4, and the capacitor C5; one end of the capacitor C3 is connected to the cathode of the diode D1, the capacitor C4, and the capacitor C5, and the other end is grounded; one end of the capacitor C4 is connected to the cathode of the diode D1, the capacitor C3, and the capacitor C5, and the other end is grounded; one end of the capacitor C5 is connected to the cathode of the diode D1, the capacitor C3, and the capacitor C4, and the other end is grounded. .

[0012] Preferably, the first pin of the TVS tube D3 is connected to the third pin of the connector P1 in the power module, the capacitor C10, and the capacitor C11, the second pin of the TVS tube D3 is grounded, and the third pin of the TVS tube D3 is suspended; one end of the capacitor C8 is connected to the cathode of the diode D1 in the power module, the capacitor C3, the capacitor C4, one end of the capacitor C5, and the sixth pin of the chip U2, and the other end is grounded; one end of the capacitor C10 is connected to the third pin of the connector P1 in the power module, one end of the capacitor C11, and the sixth pin of the chip U2, and the other end is grounded; one end of the capacitor C11 is connected to the third pin of the connector P1 in the power module, one end of the capacitor C10, and the sixth pin of the chip U2, and the other end is grounded; one end of the resistor R7 is connected to the third pin of the chip U1 in the LED driver module The second pin of the chip U2 is connected; one end of the resistor R8 is connected to the second pin of the chip U1 in the LED driving module, one end of the resistor R7, and one end of the resistor R9, and the other end is connected to the first pin of the chip U2 and one end of the resistor R13; one end of the resistor R9 is connected to the second pin of the chip U1 in the LED driving module, one end of the resistor R7, and one end of the resistor R8, and the other end is connected to the fourth pin of the chip U2 and one end of the resistor R15; the resistor R13 is connected to the first pin of the chip U2 and one end of the resistor R8, and the other end is connected to the first pin of the chip U1 in the LED driving module; the resistor R15 is connected to the fourth pin of the chip U2 and one end of the resistor R9, and the other end is connected to the fourth pin of the chip U1 in the LED driving module.

[0013] Preferably, one end of the resistor R1 is connected to one end of capacitors C6 and C7, one end of resistor R3, one end of resistor R4, one end of resistor R5, one end of resistor R6, and one end of resistor R7, resistor R8, and resistor R9 in the LIN transceiver module, and the other end is connected to one end of resistor R2; one end of resistor R2 is connected to one end of resistor R1, and the other end is grounded; one end of resistor R3 is connected to one end of capacitors C6 and C7, one end of resistor R1, one end of resistor R4, one end of resistor R5, one end of resistor R6, and one end of resistor R7, resistor R8, and resistor R9 in the LIN transceiver module, and the other end is connected to the fifth pin of chip U1; one end of resistor R4 is connected to capacitor C 6, one end of C7, one end of resistor R1, one end of resistor R3, one end of resistor R5, one end of resistor R6, one end of resistor R7, resistor R8, and resistor R9 in the LIN transceiver module are connected, and the other end is connected to one end of resistor R10 and the eleventh pin of the chip U1; one end of the resistor R5 is connected to one end of capacitor C6, one end of C7, one end of resistor R1, one end of resistor R3, one end of resistor R4, one end of resistor R6, one end of resistor R7, resistor R8, and resistor R9 in the LIN transceiver module, and the other end is connected to one end of resistor R11 and the tenth pin of the chip U1; one end of the resistor R6 is connected to one end of capacitor C6, one end of C7, one end of resistor R1, and one end of resistor R3 One end of the resistor R10 is connected to one end of the resistor R4 and the eleventh pin of the chip U1; one end of the resistor R11 is connected to one end of the resistor R5 and the tenth pin of the chip U1; one end of the resistor R12 is connected to one end of the resistor R6 and the ninth pin of the chip U1; one end of the resistor R14 is connected to the capacitor C9 and the twelfth pin of the chip U1, and the other end is grounded; the positive electrode of the LED1 is connected to the twenty-fourth pin of the chip U1, and the negative electrode of the LED1 is connected to the LE The positive electrode of D2 is connected; the positive electrode of LED2 is connected to the negative electrode of LED1, and the negative electrode of LED2 is grounded; the positive electrode of LED3 is connected to the 23rd pin of chip U1, and the negative electrode of LED3 is connected to the positive electrode of LED4; the positive electrode of LED4 is connected to the negative electrode of LED3, and the negative electrode of LED4 is grounded; the positive electrode of LED5 is connected to the 22nd pin of chip U1, and the negative electrode of LED5 is connected to the positive electrode of LED6; the positive electrode of LED6 is connected to the negative electrode of LED5, and the negative electrode of LED6 is grounded; the positive electrode of LED7 is connected to the 21st pin of chip U1, and the negative electrode of LED7 is connected to the positive electrode of LED8; the positive electrode of LED8 is connected to the negative electrode of LED7, and the negative electrode of LED8 is grounded;The positive electrode of LED9 is connected to the 20th pin of chip U1, and the negative electrode of LED9 is connected to the positive electrode of LED10; the positive electrode of LED10 is connected to the negative electrode of LED9, and the negative electrode of LED10 is grounded; the positive electrode of LED11 is connected to the 19th pin of chip U1, and the negative electrode of LED11 is connected to the positive electrode of LED12; the positive electrode of LED12 is connected to the negative electrode of LED11, and the negative electrode of LED12 is grounded; the positive electrode of LED13 is connected to the 18th pin of chip U1, and the negative electrode of LED13 is connected to the positive electrode of LED14; the positive electrode of LED14 is connected to the negative electrode of LED13, and the negative electrode of LED14 is grounded; the positive electrode of LED15 is connected to the 17th pin of chip U1, and the negative electrode of LED15 is connected to the positive electrode of LED16; the positive electrode of LED16 is connected to the negative electrode of LED15, and the negative electrode of LED16 is grounded; The positive electrode of LED17 is connected to the sixteenth pin of chip U1, and the negative electrode of LED17 is connected to the positive electrode of LED18; the positive electrode of LED18 is connected to the negative electrode of LED17, and the negative electrode of LED18 is grounded; the positive electrode of LED19 is connected to the fifteenth pin of chip U1, and the negative electrode of LED19 is connected to the positive electrode of LED20; the positive electrode of LED20 is connected to the negative electrode of LED19, and the negative electrode of LED20 is grounded; the positive electrode of LED21 is connected to the fourteenth pin of chip U1, and the negative electrode of LED21 is connected to the positive electrode of LED22; the positive electrode of LED22 is connected to the negative electrode of LED21, and the negative electrode of LED22 is grounded; the positive electrode of LED23 is connected to the thirteenth pin of chip U1, and the negative electrode of LED23 is connected to the positive electrode of LED24; the positive electrode of LED24 is connected to the negative electrode of LED23, and the negative electrode of LED24 is grounded. ;

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] Even if the breathing and flashing functions need to be realized during the use of the lamp, the present application does not need to add a microcontroller inside the circuit, which effectively reduces the use cost, increases the electromagnetic compatibility of the circuit, and improves the use effect of the car logo light. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the principle block diagram of the sign light driving circuit;

[0017] Figure 2 This is the schematic diagram of the power module;

[0018] Figure 3 This is the schematic diagram of the LIN transceiver module;

[0019] Figure 4 This is the schematic diagram of the LED driver module.

[0020] In the figure: 1 power module, 2 LIN transceiver module, 3 LED driver module. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] Example

[0024] See also Figure 1-4 , the utility model provides a technical solution:

[0025] A vehicle logo light control circuit comprises a power module 1, a LIN transceiver module 2 and an LED driver module 3, wherein the power module 1 is connected to the LIN transceiver module 2 and the LED driver module 3 respectively, the LIN transceiver module 2 is connected to the power module 1 and the LED driver module 3 respectively, and the LED driver module 3 is connected to the power module 1 and the LIN transceiver module 2 respectively;

[0026] The power module 1 includes a connector P1, a diode D1, a TVS tube D2, a capacitor C3, a capacitor C4, and a capacitor C5. One end of the TVS tube D2 is connected to the first pin of the connector P1 and the positive electrode of the diode D1, and the other end is grounded.

[0027] The LIN transceiver module 2 includes a chip U2, a TVS tube D3, a capacitor C8, a capacitor C10, a capacitor C11, a resistor R7, a resistor R8, a resistor R9, a resistor R13, and a resistor R15. The first pin of the chip U2 is connected to one end of the resistor R8 and the resistor R13, the second pin of the chip U2 is connected to one end of the resistor R7, the third pin and the eighth pin of the chip U2 are suspended, the fourth pin of the chip U2 is connected to one end of the resistor R9 and the resistor R15, the fifth pin and the ninth pin of the chip U2 are grounded, the sixth pin of the chip is connected to the capacitor C10, the capacitor C11, the first pin of the TVS tube D3, and the third pin of the connector P1 in the power module, and the seventh pin of the chip U2 is connected to one end of the capacitor C8, the negative electrode of the diode D1 in the power module, and the capacitor C3, the capacitor C4, and the capacitor C5 in the power module;

[0028] The LED driver module 3 includes a chip U1, a capacitor C1, a capacitor C2, a capacitor C6, a capacitor C7, a capacitor C9, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R10, a resistor R11, a resistor R12, a resistor R14, LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8, LED9, LED10, LED11, LED12, LED13, LED14, LED15, LED16, LED17, LED18, LED19, LED20, L ED21, LED22, LED23, LED24, one end of capacitors C1 and C2 are connected to the cathode of diode D1 in the power module, one end of capacitor C3, capacitor C4 and capacitor C5, and the other end is grounded; one end of capacitors C6 and C7 are connected to the second pin of chip U1, one end of resistor R1, one end of resistor R3, one end of resistor R4, one end of resistor R5, one end of resistor R6, and one end of resistor R7, resistor R8 and resistor R9 in the LIN transceiver module, and the other end is grounded; one end of capacitor C9 is connected to one end of resistor R14 and the twelfth pin of chip U1, and the other end is grounded.

[0029] The positive electrode of the diode D1 is connected to the first pin of the connector P1 and one end of the TVS tube D2, and the negative electrode of the diode D1 is connected to one end of the capacitor C3, the capacitor C4, and the capacitor C5; one end of the capacitor C3 is connected to the negative electrode of the diode D1, the capacitor C4, and the capacitor C5, and the other end is grounded; one end of the capacitor C4 is connected to the negative electrode of the diode D1, the capacitor C3, and the capacitor C5, and the other end is grounded; one end of the capacitor C5 is connected to the negative electrode of the diode D1, the capacitor C3, and the capacitor C4, and the other end is grounded. .

[0030] The first pin of TVS tube D3 is connected to the third pin of connector P1 in the power module, capacitor C10 and capacitor C11, the second pin of TVS tube D3 is grounded, and the third pin of TVS tube D3 is suspended; one end of capacitor C8 is connected to the cathode of diode D1 in the power module, capacitor C3, capacitor C4, one end of capacitor C5 and the sixth pin of chip U2, and the other end is grounded; one end of capacitor C10 is connected to the third pin of connector P1 in the power module, one end of capacitor C11 and the sixth pin of chip U2, and the other end is grounded; one end of capacitor C11 is connected to the third pin of connector P1 in the power module, one end of capacitor C10 and the sixth pin of chip U2, and the other end is grounded; one end of resistor R7 is connected to the third pin of chip U1 in the LED driver module, one end of capacitor C10 and the sixth pin of chip U2, and the other end is grounded; The first pin of the chip U2 is connected to the second pin of the chip U1 in the LED driver module, and the second pin of the chip U2 is connected; one end of the resistor R8 is connected to the second pin of the chip U1 in the LED driver module, one end of the resistor R7, and one end of the resistor R9, and the other end is connected to the first pin of the chip U2 and one end of the resistor R13; one end of the resistor R9 is connected to the second pin of the chip U1 in the LED driver module, one end of the resistor R7, and one end of the resistor R8, and the other end is connected to the fourth pin of the chip U2 and one end of the resistor R15; the resistor R13 is connected to the first pin of the chip U2 and one end of the resistor R8, and the other end is connected to the first pin of the chip U1 in the LED driver module; the resistor R15 is connected to the fourth pin of the chip U2 and one end of the resistor R9, and the other end is connected to the fourth pin of the chip U1 in the LED driver module.

[0031] One end of resistor R1 is connected to one end of capacitors C6 and C7, one end of resistor R3, one end of resistor R4, one end of resistor R5, one end of resistor R6, and one end of resistor R7, resistor R8, and resistor R9 in the LIN transceiver module, and the other end is connected to one end of resistor R2; one end of resistor R2 is connected to one end of resistor R1, and the other end is grounded; one end of resistor R3 is connected to one end of capacitors C6 and C7, one end of resistor R1, one end of resistor R4, one end of resistor R5, one end of resistor R6, and one end of resistor R7, resistor R8, and resistor R9 in the LIN transceiver module, and the other end is connected to the fifth pin of chip U1; one end of resistor R4 is connected to one end of capacitors C6 and C7, one end of resistor R1, and one end of resistor R3 , one end of resistor R5, one end of resistor R6, one end of resistor R7, resistor R8, and one end of resistor R9 in the LIN transceiver module, and the other end is connected to one end of resistor R10 and the eleventh pin of chip U1; one end of resistor R5 is connected to one end of capacitors C6 and C7, one end of resistor R1, one end of resistor R3, one end of resistor R4, one end of resistor R6, one end of resistor R7, resistor R8, and one end of resistor R9 in the LIN transceiver module, and the other end is connected to one end of resistor R11 and the tenth pin of chip U1; one end of resistor R6 is connected to one end of capacitors C6 and C7, one end of resistor R1, one end of resistor R3, one end of resistor R4, one end of resistor R5, resistor R7, resistor R8, and one end of resistor R9 in the LIN transceiver module One end of R9 is connected, and the other end is connected to one end of resistor R12 and the ninth pin of chip U1; one end of resistor R10 is connected to one end of resistor R4 and the eleventh pin of chip U1; one end of resistor R11 is connected to one end of resistor R5 and the tenth pin of chip U1; one end of resistor R12 is connected to one end of resistor R6 and the ninth pin of chip U1; one end of resistor R14 is connected to capacitor C9 and the twelfth pin of chip U1, and the other end is grounded; the positive electrode of LED1 is connected to the twenty-fourth pin of chip U1, and the negative electrode of LED1 is connected to the positive electrode of LED2; the positive electrode of LED2 is connected to the negative electrode of LED1, and the negative electrode of LED2 is grounded; the positive electrode of LED3 is connected to the twenty-third pin of chip U1, and the negative electrode of LED3 is connected to the positive electrode of LED4; L The positive electrode of ED4 is connected to the negative electrode of LED3, and the negative electrode of LED4 is grounded; the positive electrode of LED5 is connected to the 22nd pin of chip U1, and the negative electrode of LED5 is connected to the positive electrode of LED6; the positive electrode of LED6 is connected to the negative electrode of LED5, and the negative electrode of LED6 is grounded; the positive electrode of LED7 is connected to the 21st pin of chip U1, and the negative electrode of LED7 is connected to the positive electrode of LED8; the positive electrode of LED8 is connected to the negative electrode of LED7, and the negative electrode of LED8 is grounded; the positive electrode of LED9 is connected to the 20th pin of chip U1, and the negative electrode of LED9 is connected to the positive electrode of LED10; the positive electrode of LED10 is connected to the negative electrode of LED9, and the negative electrode of LED10 is grounded; the positive electrode of LED11 is connected to the 19th pin of chip U1, and the negative electrode of LED11 is connected to the positive electrode of LED12;The positive electrode of LED12 is connected to the negative electrode of LED11, and the negative electrode of LED12 is grounded; the positive electrode of LED13 is connected to the 18th pin of chip U1, and the negative electrode of LED13 is connected to the positive electrode of LED14; the positive electrode of LED14 is connected to the negative electrode of LED13, and the negative electrode of LED14 is grounded; the positive electrode of LED15 is connected to the 17th pin of chip U1, and the negative electrode of LED15 is connected to the positive electrode of LED16; the positive electrode of LED16 is connected to the negative electrode of LED15, and the negative electrode of LED16 is grounded; the positive electrode of LED17 is connected to the 16th pin of chip U1, and the negative electrode of LED17 is connected to the positive electrode of LED18; the positive electrode of LED18 is connected to the negative electrode of LED17 The positive pole of LED19 is connected to the 15th pin of chip U1, and the negative pole of LED19 is connected to the positive pole of LED20; the positive pole of LED20 is connected to the negative pole of LED19, and the negative pole of LED20 is grounded; the positive pole of LED21 is connected to the 14th pin of chip U1, and the negative pole of LED21 is connected to the positive pole of LED22; the positive pole of LED22 is connected to the negative pole of LED21, and the negative pole of LED22 is grounded; the positive pole of LED23 is connected to the 13th pin of chip U1, and the negative pole of LED23 is connected to the positive pole of LED24; the positive pole of LED24 is connected to the negative pole of LED23, and the negative pole of LED24 is grounded. ;

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle logo light control circuit, comprising a power module (1), a LIN transceiver module (2) and an LED driver module (3), characterized in that: The power module (1) is connected to the LIN transceiver module (2) and the LED driver module (3) respectively; the LIN transceiver module (2) is connected to the power module (1) and the LED driver module (3) respectively; and the LED driver module (3) is connected to the power module (1) and the LIN transceiver module (2) respectively; The power module (1) comprises a connector P1, a diode D1, a TVS tube D2, a capacitor C3, a capacitor C4, and a capacitor C5, one end of the TVS tube D2 is connected to the first pin of the connector P1 and the positive electrode of the diode D1, and the other end is grounded; The LIN transceiver module (2) comprises a chip U2, a TVS tube D3, a capacitor C8, a capacitor C10, a capacitor C11, a resistor R7, a resistor R8, a resistor R9, a resistor R13, and a resistor R15, wherein the first pin of the chip U2 is connected to one end of the resistor R8 and the resistor R13, the second pin of the chip U2 is connected to one end of the resistor R7, the third pin and the eighth pin of the chip U2 are suspended, the fourth pin of the chip U2 is connected to one end of the resistor R9 and the resistor R15, the fifth pin and the ninth pin of the chip U2 are grounded, the sixth pin of the chip is connected to the capacitor C10, the capacitor C11, the first pin of the TVS tube D3, and the third pin of the connector P1 in the power module, and the seventh pin of the chip U2 is connected to one end of the capacitor C8, the negative electrode of the diode D1 in the power module, and the capacitors C3, C4, and C5 in the power module; The LED driving module (3) comprises a chip U1, a capacitor C1, a capacitor C2, a capacitor C6, a capacitor C7, a capacitor C9, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R10, a resistor R11, a resistor R12, a resistor R14, an LED1, a LED2, a LED3, a LED4, a LED5, a LED6, a LED7, a LED8, a LED9, a LED10, a LED11, a LED12, a LED13, a LED14, a LED15, a LED16, a LED17, a LED18, a LED19, a LED20, a LED21, LED22, LED23, LED24, one end of the capacitors C1 and C2 are connected to the cathode of the diode D1 in the power module, one end of the capacitors C3, C4 and C5, and the other end is grounded; one end of the capacitors C6 and C7 are connected to the second pin of the chip U1, one end of the resistor R1, one end of the resistor R3, one end of the resistor R4, one end of the resistor R5, one end of the resistor R6, and one end of the resistors R7, R8 and R9 in the LIN transceiver module, and the other end is grounded; one end of the capacitor C9 is connected to one end of the resistor R14 and the twelfth pin of the chip U1, and the other end is grounded.

2. The automobile logo light control circuit according to claim 1, characterized in that: The positive electrode of the diode D1 is connected to the first pin of the connector P1 and one end of the TVS tube D2, and the negative electrode of the diode D1 is connected to one end of the capacitor C3, capacitor C4, and capacitor C5; one end of the capacitor C3 is connected to the negative electrode of the diode D1, capacitor C4, and capacitor C5, and the other end is grounded; one end of the capacitor C4 is connected to the negative electrode of the diode D1, capacitor C3, and capacitor C5, and the other end is grounded; one end of the capacitor C5 is connected to the negative electrode of the diode D1, capacitor C3, and capacitor C4, and the other end is grounded.

3. The automobile logo light control circuit according to claim 1, characterized in that: The first pin of the TVS tube D3 is connected to the third pin of the connector P1 in the power module, the capacitor C10, and the capacitor C11, the second pin of the TVS tube D3 is grounded, and the third pin of the TVS tube D3 is suspended; one end of the capacitor C8 is connected to the cathode of the diode D1 in the power module, the capacitor C3, the capacitor C4, one end of the capacitor C5, and the sixth pin of the chip U2, and the other end is grounded; one end of the capacitor C10 is connected to the third pin of the connector P1 in the power module, one end of the capacitor C11, and the sixth pin of the chip U2, and the other end is grounded; one end of the capacitor C11 is connected to the third pin of the connector P1 in the power module, one end of the capacitor C10, and the sixth pin of the chip U2, and the other end is grounded; one end of the resistor R7 is connected to the second pin of the chip U1 in the LED driver module The first pin of the chip U2 is connected to the second pin of the chip U1 in the LED driving module, one end of the resistor R7, and one end of the resistor R9, and the other end is connected to the first pin of the chip U2 and one end of the resistor R13; one end of the resistor R9 is connected to the second pin of the chip U1 in the LED driving module, one end of the resistor R7, and one end of the resistor R8, and the other end is connected to the fourth pin of the chip U2 and one end of the resistor R15; the resistor R13 is connected to the first pin of the chip U2 and one end of the resistor R8, and the other end is connected to the first pin of the chip U1 in the LED driving module; the resistor R15 is connected to the fourth pin of the chip U2 and one end of the resistor R9, and the other end is connected to the fourth pin of the chip U1 in the LED driving module.

4. The automobile logo light control circuit according to claim 1, characterized in that: One end of the resistor R1 is connected to one end of capacitors C6 and C7, one end of resistor R3, one end of resistor R4, one end of resistor R5, one end of resistor R6, and one end of resistors R7, R8, and R9 in the LIN transceiver module, and the other end is connected to one end of resistor R2; one end of resistor R2 is connected to one end of resistor R1, and the other end is grounded; one end of the resistor R3 is connected to one end of capacitors C6 and C7, one end of resistor R1, one end of resistor R4, one end of resistor R5, one end of resistor R6, and one end of resistors R7, R8, and R9 in the LIN transceiver module, and the other end is connected to the fifth pin of the chip U1; one end of the resistor R4 is connected to capacitors C6 and C7, one end of resistor R1, one end of resistor R4, one end of resistor R5, one end of resistor R6, and one end of resistors R7, R8, and R9 in the LIN transceiver module, and the other end is connected to the fifth pin of the chip U1; One end of the resistor R5 is connected to one end of the capacitor C6, one end of the capacitor C7, one end of the resistor R1, one end of the resistor R3, one end of the resistor R5, one end of the resistor R6, and one end of the resistor R7, resistor R8, and resistor R9 in the LIN transceiver module, and the other end is connected to one end of the resistor R10 and the eleventh pin of the chip U1; one end of the resistor R5 is connected to one end of the capacitor C6, one end of the capacitor C7, one end of the resistor R1, one end of the resistor R3, one end of the resistor R4, one end of the resistor R6, and one end of the resistor R7, resistor R8, and resistor R9 in the LIN transceiver module, and the other end is connected to one end of the resistor R11 and the tenth pin of the chip U1; one end of the resistor R6 is connected to one end of the capacitor C6, one end of the capacitor C7, one end of the resistor R1, and one end of the resistor R3 , one end of the resistor R4, one end of the resistor R5, one end of the resistor R7, the resistor R8, and the resistor R9 in the LIN transceiver module are connected, and the other end is connected to one end of the resistor R12 and the ninth pin of the chip U1; one end of the resistor R10 is connected to one end of the resistor R4 and the eleventh pin of the chip U1; one end of the resistor R11 is connected to one end of the resistor R5 and the tenth pin of the chip U1; one end of the resistor R12 is connected to one end of the resistor R6 and the ninth pin of the chip U1; one end of the resistor R14 is connected to the capacitor C9 and the twelfth pin of the chip U1, and the other end is grounded; the positive electrode of the LED1 is connected to the twenty-fourth pin of the chip U1, and the negative electrode of the LED1 is connected to the LED 2 positive electrode is connected; the positive electrode of LED2 is connected to the negative electrode of LED1, and the negative electrode of LED2 is grounded; the positive electrode of LED3 is connected to the 23rd pin of chip U1, and the negative electrode of LED3 is connected to the positive electrode of LED4; the positive electrode of LED4 is connected to the negative electrode of LED3, and the negative electrode of LED4 is grounded; the positive electrode of LED5 is connected to the 22nd pin of chip U1, and the negative electrode of LED5 is connected to the positive electrode of LED6; the positive electrode of LED6 is connected to the negative electrode of LED5, and the negative electrode of LED6 is grounded; the positive electrode of LED7 is connected to the 21st pin of chip U1, and the negative electrode of LED7 is connected to the positive electrode of LED8; the positive electrode of LED8 is connected to the negative electrode of LED7, and the negative electrode of LED8 is grounded;The positive electrode of LED9 is connected to the 20th pin of chip U1, and the negative electrode of LED9 is connected to the positive electrode of LED10; the positive electrode of LED10 is connected to the negative electrode of LED9, and the negative electrode of LED10 is grounded; the positive electrode of LED11 is connected to the 19th pin of chip U1, and the negative electrode of LED11 is connected to the positive electrode of LED12; the positive electrode of LED12 is connected to the negative electrode of LED11, and the negative electrode of LED12 is grounded; the positive electrode of LED13 is connected to the 18th pin of chip U1, and the negative electrode of LED13 is connected to the positive electrode of LED14; the positive electrode of LED14 is connected to the negative electrode of LED13, and the negative electrode of LED14 is grounded; the positive electrode of LED15 is connected to the 17th pin of chip U1, and the negative electrode of LED15 is connected to the positive electrode of LED16; the positive electrode of LED16 is connected to the negative electrode of LED15, and the negative electrode of LED16 is grounded; The positive electrode of LED17 is connected to the sixteenth pin of chip U1, and the negative electrode of LED17 is connected to the positive electrode of LED18; the positive electrode of LED18 is connected to the negative electrode of LED17, and the negative electrode of LED18 is grounded; the positive electrode of LED19 is connected to the fifteenth pin of chip U1, and the negative electrode of LED19 is connected to the positive electrode of LED20; the positive electrode of LED20 is connected to the negative electrode of LED19, and the negative electrode of LED20 is grounded; the positive electrode of LED21 is connected to the fourteenth pin of chip U1, and the negative electrode of LED21 is connected to the positive electrode of LED22; the positive electrode of LED22 is connected to the negative electrode of LED21, and the negative electrode of LED22 is grounded; the positive electrode of LED23 is connected to the thirteenth pin of chip U1, and the negative electrode of LED23 is connected to the positive electrode of LED24; the positive electrode of LED24 is connected to the negative electrode of LED23, and the negative electrode of LED24 is grounded. ;

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