Lamp panel verification controller

Abstract

The utility model discloses a lamp panel verification controller which comprises a control circuit, a communication circuit, an acquisition circuit, a trigger circuit, a power supply circuit and an interface circuit. The lamp panel verification controller provided by the utility model realizes automatic detection of a vehicle lamp, is high in detection accuracy, improves the detection efficiency, and reduces the detection cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle lamp detection technical field especially relates to a lamp panel verification controller. BACKGROUND

[0002] With the continuous development of the automobile industry, the requirement of vehicle safety performance is higher and higher, and the vehicle lamp system as one of the active safety measures is particularly important. In order to ensure that all lamps of each vehicle can be correctly lighted according to the design specification when leaving the factory, it is necessary to complete the comprehensive and meticulous detection operation with the help of special tools. The traditional method relies on artificial visual inspection combined with simple instrument measurement of brightness parameters, but this way is inefficient and is easily disturbed by subjective factors to cause misjudgment. In recent years, although the professional instruments with high automation degree have appeared to evaluate such projects, but the cost is high and difficult to popularize. SUMMARY

[0003] In view of the above defects or deficiencies in the prior art, it is expected to provide a lamp panel verification controller, which realizes automatic detection of vehicle lamps, has high detection accuracy, improves detection efficiency and reduces detection cost.

[0004] The utility model provides a lamp panel verification controller, which comprises:

[0005] A control circuit;

[0006] A communication circuit electrically connected to the control circuit for communication between the control circuit and the measured object;

[0007] An acquisition circuit electrically connected to the control circuit for collecting brightness data of the measured object through a photosensitive device;

[0008] A trigger circuit electrically connected to the control circuit for switch control of the controller;

[0009] A power supply circuit electrically connected to the control circuit, the communication circuit, the acquisition circuit and the trigger circuit;

[0010] An interface circuit electrically connected to the communication circuit and the power supply circuit.

[0011] Further, the control circuit comprises:

[0012] A main control chip U1, the 10, 38, 61, 87 pins of which are connected to the power supply circuit, and the 13, 14, 37, 60, 86 pins of which are connected to the ground;

[0013] Parallel capacitors C1, C2, C3, C4 and C5, the common first end of which is connected to the power supply circuit, and the common second end of which is connected to the ground;

[0014] The capacitors C6 and C7 connected in parallel have their common first terminal connected to pin 12 of the main control chip U1, and their common second terminal grounded.

[0015] Resistor R1 has its first end connected to pin 12 of the main control chip U1, and its second end connected to the power supply circuit.

[0016] The capacitors C8 and C9 connected in parallel have their common first terminal connected to pin 11 of the main control chip U1, and their common second terminal grounded.

[0017] Resistor R2 has its first end connected to pin 11 of the main control chip U1, and its second end connected to the power supply circuit.

[0018] Resistor R3 has its first end connected to the power supply circuit and its second end connected to pin 97 of the main control chip U1.

[0019] Capacitor C10 has its first terminal connected to the second terminal of resistor R3, and its second terminal is grounded.

[0020] Resistor R4 has its first end connected to pin 9 of the main control chip U1, and its second end grounded.

[0021] Resistor R5 has its first end connected to pin 98 of the main control chip U1, and its second end grounded.

[0022] Crystal oscillator G1 has its pin 1 connected to pin 15 of the main control chip U1, its pin 3 connected to pin 16 of the main control chip U1, and its pins 2 and 4 grounded.

[0023] Resistor R6 has its first end connected to pin 1 of crystal oscillator G1 and its second end connected to pin 3 of crystal oscillator G1.

[0024] Capacitor C11 has its first end connected to pin 3 of crystal oscillator G1, and its second end grounded.

[0025] Capacitor C12 has its first end connected to pin 1 of crystal oscillator G1, and its second end grounded.

[0026] Furthermore, the communication circuit includes an electrically connected CAN circuit and a LIN circuit.

[0027] Furthermore, the CAN circuit includes:

[0028] The CAN chip U2 has pin 2 grounded and pins 3 and 5 connected to the power supply circuit.

[0029] Resistor R7 has its first end connected to pin 53 of the main control chip U1 and its second end connected to pin 1 of the CAN chip U2.

[0030] Resistor R8 has its first end connected to the power supply circuit and its second end connected to pin 4 of CAN chip U2.

[0031] Resistor R9 has its first end connected to pin 54 of the main control chip U1 and its second end connected to pin 4 of the CAN chip U2.

[0032] The capacitors C13 and C14 connected in parallel have their common first terminal connected to pin 3 of the CAN chip U2, and their common second terminal grounded.

[0033] Resistor R10 has its first end connected to pin 8 of CAN chip U2, and its second end grounded.

[0034] Resistor R11, its first end is connected to pin 7 of CAN chip U2;

[0035] Resistor R12, its first end is connected to pin 6 of CAN chip U2;

[0036] The common mode inductor L1 has its pin 1 connected to the first end of resistor R11, its pin 4 connected to the second end of resistor R11, its pin 2 connected to the first end of resistor R12, and its pin 3 connected to the second end of resistor R12.

[0037] Resistor R13, its first end is connected to pin 4 of common mode inductor L1;

[0038] Resistor R14 has its first end connected to pin 3 of common mode inductor L1, and its second end connected to the second end of resistor R13.

[0039] Capacitor C17, its first end is connected to the second end of resistor R14, and its second end is grounded;

[0040] Capacitor C18 has its first terminal connected to pin 4 of common-mode inductor L1, and its second terminal grounded.

[0041] Capacitor C19 has its first terminal connected to pin 3 of common-mode inductor L1, and its second terminal grounded.

[0042] ESD device VD1 has its pin 1 connected to pin 4 of common mode inductor L1, its pin 2 connected to pin 3 of common mode inductor L1, and its pin 3 grounded.

[0043] The capacitors C15 and C16 connected in parallel have their common first terminal connected to pin 5 of the CAN chip U2, and their common second terminal grounded.

[0044] Furthermore, the LIN circuit includes:

[0045] The LIN chip U3 has its 4th pin connected to the 29th pin of the main control chip U1, its 5th pin grounded, and its 7th pin connected to the power supply circuit.

[0046] Resistor R15 has its first end connected to the power supply circuit and its second end connected to pin 1 of the LIN chip U3.

[0047] Resistor R16 has its first end connected to pin 30 of the main control chip U1 and its second end connected to pin 1 of the LIN chip U3.

[0048] Resistor R17 has its first end connected to the power supply circuit and its second end connected to pin 2 of the LIN chip U3.

[0049] Resistor R18, its first end is connected to pin 8 of LIN chip U3, and its second end is grounded;

[0050] Resistor R19, its first end is connected to pin 6 of LIN chip U3;

[0051] Resistor R20, its first end is connected to the second end of resistor R19;

[0052] Diode D1 has its cathode connected to the second terminal of resistor R20 and its anode connected to pin 7 of LIN chip U3;

[0053] ESD device VD2, pin 1 is grounded, pin 2 is connected to the second end of resistor R19;

[0054] Capacitor C20 has its first terminal connected to the second terminal of resistor R19, and its second terminal is grounded.

[0055] Furthermore, the acquisition circuit includes:

[0056] The photoresistor RT1 has its first end connected to the power supply circuit and its second end connected to the main control chip U1.

[0057] The resistors R21, capacitors C21, and C22 connected in parallel have their common first terminal connected to the second terminal of the photoresistor RT1, and their common second terminal is grounded.

[0058] Furthermore, the trigger circuit includes:

[0059] Switch S2 has its first end connected to the power supply circuit and its second end connected to pin 75 of the main control chip U1.

[0060] Capacitor C23 is connected in parallel with switch S2;

[0061] Resistor R22, its first end is connected to the second end of switch S2, and its second end is grounded.

[0062] Furthermore, the power supply circuit includes:

[0063] The power chip U4 has pins 1 and 2 connected to pin 7 of the LIN chip U3, and pin 3 grounded.

[0064] Diode VD3, its anode is connected to the interface circuit;

[0065] The polarized capacitor C24 has its anode connected to the cathode of diode VD3, and its cathode is grounded.

[0066] The inductor FB1 has its first end connected to the cathode of diode VD3, and its second end connected to pins 1 and 2 of power chip U4.

[0067] The capacitors C25, C26, and C27 connected in parallel have their common first terminal connected to pins 1 and 2 of the power chip U4, and their common second terminal grounded.

[0068] Resistor R23 has its first end connected to pin 4 of power chip U4, and its second end grounded.

[0069] Resistor R24 ​​has its first end connected to pin 4 of power chip U4 and its second end connected to pin 5 of power chip U4.

[0070] The polarized capacitor C28 has its anode connected to pin 5 of the power chip U4, and its cathode grounded.

[0071] Capacitor C29 is connected in parallel with polarized capacitor C28;

[0072] The power chip U5 has its pin 3 grounded.

[0073] Inductor FB2 has its first end connected to pin 5 of power chip U4 and its second end connected to pins 1 and 2 of power chip U5.

[0074] The capacitors C30, C31, and C32 connected in parallel have their common first terminal connected to pins 1 and 2 of the power chip U5, and their common second terminal grounded.

[0075] The capacitors C33 and C34 connected in parallel have their common first terminal connected to pin 5 of the power chip U5, and their common second terminal grounded.

[0076] Furthermore, the interface circuit includes a plug P1, with pin 1 connected to the anode of diode VD3, pins 2 and 6 grounded, pin 3 connected to pin 4 of common-mode inductor L1, pin 4 connected to pin 3 of common-mode inductor L1, and pin 5 connected to the second end of resistor R19.

[0077] Compared with the prior art, the beneficial effects of this utility model are:

[0078] This utility model's lamp board verification controller uses photosensitive devices to acquire light intensity information, thereby realizing automatic detection of vehicle lights. This simplifies the traditional manual detection process, greatly shortens the time required for each complete test, and improves detection efficiency. It also reduces labor costs, making it more economical and practical, and more suitable for large-scale industrial mass production environments. With advanced sensor technology, it forms a robust and durable physical carrier that is not easily damaged or failed. Even with long-term continuous operation, it can maintain a good performance state, almost eliminating the need for frequent factory repairs and maintenance, significantly reducing after-sales maintenance costs. The detection is accurate and conducive to long-term stable use.

[0079] It should be understood that the description in this utility model description section is not intended to limit the key or essential features of the embodiments of this utility model, nor is it intended to restrict the scope of this utility model. Other features of this utility model will become readily apparent from the following description. Attached Figure Description

[0080] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0081] Figure 1 This is the circuit diagram for the control circuit;

[0082] Figure 2 This is the circuit diagram for the CAN circuit.

[0083] Figure 3 The circuit diagram for a LIN circuit;

[0084] Figure 4 The circuit diagram for the data acquisition circuit;

[0085] Figure 5 The circuit diagram for the trigger circuit;

[0086] Figure 6 The circuit diagram for the power supply circuit;

[0087] Figure 7 This is the circuit diagram for the interface circuit. Detailed Implementation

[0088] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0089] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0090] Please refer to Figures 1-7 An embodiment of this utility model provides a light panel verification controller, comprising:

[0091] Control circuit;

[0092] A communication circuit, electrically connected to the control circuit, is used for communication between the control circuit and the device under test;

[0093] The acquisition circuit, electrically connected to the control circuit, is used to acquire the brightness data of the device under test through a photosensitive device;

[0094] A trigger circuit, electrically connected to the control circuit, is used for switching control of the controller;

[0095] The power supply circuit is electrically connected to the control circuit, communication circuit, acquisition circuit, and trigger circuit, respectively; and

[0096] The interface circuit is electrically connected to the communication circuit and the power supply circuit, respectively.

[0097] Among them, such as Figure 1 As shown, the control circuit includes:

[0098] The main control chip U1 has pins 10, 38, 61, and 87 connected to the power supply circuit, and pins 13, 14, 37, 60, and 86 grounded.

[0099] The capacitors C1, C2, C3, C4, and C5 connected in parallel have their common first terminal connected to the power supply circuit and their common second terminal grounded.

[0100] The capacitors C6 and C7 connected in parallel have their common first terminal connected to pin 12 of the main control chip U1, and their common second terminal grounded.

[0101] Resistor R1 has its first end connected to pin 12 of the main control chip U1, and its second end connected to the power supply circuit.

[0102] The capacitors C8 and C9 connected in parallel have their common first terminal connected to pin 11 of the main control chip U1, and their common second terminal grounded.

[0103] Resistor R2 has its first end connected to pin 11 of the main control chip U1, and its second end connected to the power supply circuit.

[0104] Resistor R3 has its first end connected to the power supply circuit and its second end connected to pin 97 of the main control chip U1.

[0105] Capacitor C10 has its first terminal connected to the second terminal of resistor R3, and its second terminal is grounded.

[0106] Resistor R4 has its first end connected to pin 9 of the main control chip U1, and its second end grounded.

[0107] Resistor R5 has its first end connected to pin 98 of the main control chip U1, and its second end grounded.

[0108] Crystal oscillator G1 has its pin 1 connected to pin 15 of the main control chip U1, its pin 3 connected to pin 16 of the main control chip U1, and its pins 2 and 4 grounded.

[0109] Resistor R6 has its first end connected to pin 1 of crystal oscillator G1 and its second end connected to pin 3 of crystal oscillator G1.

[0110] Capacitor C11, its first terminal is connected to pin 3 of crystal oscillator G1, and its second terminal is grounded; and

[0111] Capacitor C12 has its first end connected to pin 1 of crystal oscillator G1, and its second end grounded.

[0112] The communication circuit includes electrically connected CAN and LIN circuits;

[0113] like Figure 2 As shown, the CAN circuit includes:

[0114] The CAN chip U2 has pin 2 grounded and pins 3 and 5 connected to the power supply circuit.

[0115] Resistor R7 has its first end connected to pin 53 of the main control chip U1 and its second end connected to pin 1 of the CAN chip U2.

[0116] Resistor R8 has its first end connected to the power supply circuit and its second end connected to pin 4 of CAN chip U2.

[0117] Resistor R9 has its first end connected to pin 54 of the main control chip U1 and its second end connected to pin 4 of the CAN chip U2.

[0118] The capacitors C13 and C14 connected in parallel have their common first terminal connected to pin 3 of the CAN chip U2, and their common second terminal grounded.

[0119] Resistor R10 has its first end connected to pin 8 of CAN chip U2, and its second end grounded.

[0120] Resistor R11, its first end is connected to pin 7 of CAN chip U2;

[0121] Resistor R12, its first end is connected to pin 6 of CAN chip U2;

[0122] The common mode inductor L1 has its pin 1 connected to the first end of resistor R11, its pin 4 connected to the second end of resistor R11, its pin 2 connected to the first end of resistor R12, and its pin 3 connected to the second end of resistor R12.

[0123] Resistor R13, its first end is connected to pin 4 of common mode inductor L1;

[0124] Resistor R14 has its first end connected to pin 3 of common mode inductor L1, and its second end connected to the second end of resistor R13.

[0125] Capacitor C17, its first end is connected to the second end of resistor R14, and its second end is grounded;

[0126] Capacitor C18 has its first terminal connected to pin 4 of common-mode inductor L1, and its second terminal grounded.

[0127] Capacitor C19 has its first terminal connected to pin 3 of common-mode inductor L1, and its second terminal grounded.

[0128] ESD device VD1 has pin 1 connected to pin 4 of common-mode inductor L1, pin 2 connected to pin 3 of common-mode inductor L1, and pin 3 grounded; and

[0129] The capacitors C15 and C16 connected in parallel have their common first terminal connected to pin 5 of the CAN chip U2, and their common second terminal grounded.

[0130] like Figure 3 As shown, the LIN circuit includes:

[0131] The LIN chip U3 has its 4th pin connected to the 29th pin of the main control chip U1, its 5th pin grounded, and its 7th pin connected to the power supply circuit.

[0132] Resistor R15 has its first end connected to the power supply circuit and its second end connected to pin 1 of the LIN chip U3.

[0133] Resistor R16 has its first end connected to pin 30 of the main control chip U1 and its second end connected to pin 1 of the LIN chip U3.

[0134] Resistor R17 has its first end connected to the power supply circuit and its second end connected to pin 2 of the LIN chip U3.

[0135] Resistor R18, its first end is connected to pin 8 of LIN chip U3, and its second end is grounded;

[0136] Resistor R19, its first end is connected to pin 6 of LIN chip U3;

[0137] Resistor R20, its first end is connected to the second end of resistor R19;

[0138] Diode D1 has its cathode connected to the second terminal of resistor R20 and its anode connected to pin 7 of LIN chip U3;

[0139] ESD device VD2, pin 1 is grounded, pin 2 is connected to the second terminal of resistor R19; and

[0140] Capacitor C20 has its first terminal connected to the second terminal of resistor R19, and its second terminal is grounded.

[0141] like Figure 4 As shown, the acquisition circuit includes:

[0142] The photoresistor RT1 has its first terminal connected to the power supply circuit and its second terminal connected to the main control chip U1; and

[0143] The resistors R21, capacitors C21, and C22 connected in parallel have their common first terminal connected to the second terminal of the photoresistor RT1, and their common second terminal is grounded.

[0144] like Figure 5 As shown, the trigger circuit includes:

[0145] Switch S2 has its first end connected to the power supply circuit and its second end connected to pin 75 of the main control chip U1.

[0146] Capacitor C23 is connected in parallel with switch S2; and

[0147] Resistor R22, its first end is connected to the second end of switch S2, and its second end is grounded;

[0148] like Figure 6 As shown, the power supply circuit includes:

[0149] The power chip U4 has pins 1 and 2 connected to pin 7 of the LIN chip U3, and pin 3 grounded.

[0150] Diode VD3, its anode is connected to the interface circuit;

[0151] The polarized capacitor C24 has its anode connected to the cathode of diode VD3, and its cathode is grounded.

[0152] The inductor FB1 has its first end connected to the cathode of diode VD3, and its second end connected to pins 1 and 2 of power chip U4.

[0153] The capacitors C25, C26, and C27 connected in parallel have their common first terminal connected to pins 1 and 2 of the power chip U4, and their common second terminal grounded.

[0154] Resistor R23 has its first end connected to pin 4 of power chip U4, and its second end grounded.

[0155] Resistor R24 ​​has its first end connected to pin 4 of power chip U4 and its second end connected to pin 5 of power chip U4.

[0156] The polarized capacitor C28 has its anode connected to pin 5 of the power chip U4, and its cathode grounded.

[0157] Capacitor C29 is connected in parallel with polarized capacitor C28;

[0158] The power chip U5 has its pin 3 grounded.

[0159] Inductor FB2 has its first end connected to pin 5 of power chip U4 and its second end connected to pins 1 and 2 of power chip U5.

[0160] The capacitors C30, C31, and C32 connected in parallel have their common first terminal connected to pins 1 and 2 of the power supply chip U5, and their common second terminal grounded; and

[0161] The capacitors C33 and C34 connected in parallel have their common first terminal connected to pin 5 of the power chip U5, and their common second terminal grounded.

[0162] like Figure 7As shown, the interface circuit includes a plug P1, with pin 1 connected to the anode of diode VD3, pins 2 and 6 grounded, pin 3 connected to pin 4 of common mode inductor L1, pin 4 connected to pin 3 of common mode inductor L1, and pin 5 connected to the second end of resistor R19.

[0163] In this embodiment, the main control chip U1 of the control circuit adopts the GD32A503 series, which is responsible for the overall data processing and logic control;

[0164] The communication circuit is equipped with a high-speed serial bus CAN circuit and a LIN circuit, supporting a bidirectional asynchronous communication protocol, so that the controller of this application can communicate with the device under test and conveniently control the status of the vehicle lights through commands.

[0165] The acquisition circuit uses a photoresistor to obtain light brightness information, and after AD conversion, it sends it to the main control chip U1 for further calculation and comparison, so as to draw a final conclusion and determine whether the target light fixture's on / off status meets the expected threshold range.

[0166] The trigger circuit includes a human-computer interaction trigger mechanism formed by a mechanical push-button switch S2 and its supporting auxiliary components, which is activated by the user through physical action to start a complete test process;

[0167] The power supply circuit steps down the externally supplied stable 12V DC voltage source to obtain two different levels of steady-state low-voltage DC power suitable for the internal sub-modules, outputting +5V and +3.3V DC voltages respectively, ensuring the reliable operation of the entire system;

[0168] The interface circuit includes a voltage input interface and a communication interface.

[0169] The controller in this application is not limited to the number of devices under test (DUTs); the required number of DUTs can be met by adding photoresistors. Taking four DUTs as an example, four sets of acquisition circuits are configured accordingly, each connected to pins 46-49 of the main control chip. Furthermore, the controller in this application is not limited to using photoresistors; the detection of vehicle lights can be achieved using photosensitive elements with the same function.

[0170] The lamp board verification controller of this application uses photosensitive devices to acquire light intensity information, thereby realizing automatic detection of vehicle lights. This simplifies the traditional manual detection process, greatly shortens the time required for each complete test, and improves detection efficiency. At the same time, it also reduces labor costs, making it more economical and practical, and more suitable for the requirements of large-scale industrial mass production environments. With advanced sensor technology, it forms a robust and durable physical carrier that is not easily damaged or failed. Even if it operates continuously for a long time, it can always maintain a good performance state, almost eliminating the need for frequent return to the factory for maintenance and repair, significantly reducing after-sales maintenance expenses. The detection is accurate and conducive to long-term stable use.

[0171] In the description of this specification, the terms "one embodiment," "some embodiments," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0172] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A lamp panel verification controller, characterized by, The utility model relates to a kind of test system of brightness data acquisition, including: Control circuit; Communication circuit, with the control circuit electric connection, for the communication between the control circuit and the measured piece; Acquisition circuit, with the control circuit electric connection, for the brightness data of measured piece is collected by photosensitive device; Trigger circuit, with the control circuit electric connection, for the switch control of controller; Power supply circuit, respectively with the control circuit, communication circuit, acquisition circuit and trigger circuit electric connection; Interface circuit, respectively with the communication circuit and power supply circuit electric connection; Wherein, the control circuit includes: Master control chip U1, its 10, 38, 61, 87 pin connects power supply circuit, its 13, 14, 37, 60, 86 pin connects ground; Parallel capacitor C1, C2, C3, C4, C5, its common first end connects power supply circuit, its common second end connects ground; Parallel capacitor C6, C7, its common first end connects the 12 pin of master control chip U1, its common second end connects ground; Resistance R1, its first end connects the 12 pin of master control chip U1, its second end connects power supply circuit; Parallel capacitor C8, C9, its common first end connects the 11 pin of master control chip U1, its common second end connects ground; Resistance R2, its first end connects the 11 pin of master control chip U1, its second end connects power supply circuit; Resistance R3, its first end connects power supply circuit, its second end connects the 97 pin of master control chip U1; Capacitor C10, its first end connects the second end of resistance R3, its second end connects ground; Resistance R4, its first end connects the 9 pin of master control chip U1, its second end connects ground; Resistance R5, its first end connects the 98 pin of master control chip U1, its second end connects ground; Crystal oscillator G1, its 1 pin connects the 15 pin of master control chip U1, its 3 pin connects the 16 pin of master control chip U1, its 2, 4 pin connects ground; Resistance R6, its first end connects the 1 pin of crystal oscillator G1, its second end connects the 3 pin of crystal oscillator G1; Capacitor C11, its first end connects the 3 pin of crystal oscillator G1, its second end connects ground; Capacitor C12, its first end connects the 1 pin of crystal oscillator G1, its second end connects ground.

2. The lamp panel verification controller of claim 1, wherein, The communication circuit includes electrically connected CAN circuit and LIN circuit.

3. The lamp panel verification controller of claim 2, wherein, The CAN circuit includes: CAN chip U2, its 2 pin connects ground, its 3, 5 pin connects power supply circuit; Resistance R7, its first end connects the 53 pin of master control chip U1, its second end connects the 1 pin of CAN chip U2; Resistance R8, its first end connects power supply circuit, its second end connects the 4 pin of CAN chip U2; Resistance R9, its first end connects the 54 pin of master control chip U1, its second end connects the 4 pin of CAN chip U2; Parallel capacitor C13, C14, its common first end connects the 3 pin of CAN chip U2, its common second end connects ground; Resistance R10, its first end connects the 8 pin of CAN chip U2, its second end connects ground; Resistance R11, its first end connects the 7 pin of CAN chip U2; Resistance R12, its first end connects the 6 pin of CAN chip U2; Common mode inductance L1, its 1 pin connects the first end of resistance R11, its 4 pin connects the second end of resistance R11, its 2 pin connects the first end of resistance R12, its 3 pin connects the second end of resistance R12; a resistor R13, a first end of which is connected to the 4-pin of the common mode inductor L1; a resistor R14, a first end of which is connected to the 3-pin of the common mode inductor L1, and a second end of which is connected to the second end of the resistor R13; a capacitor C17, a first end of which is connected to the second end of the resistor R14, and a second end of which is connected to the ground; a capacitor C18, a first end of which is connected to the 4-pin of the common mode inductor L1, and a second end of which is connected to the ground; a capacitor C19, a first end of which is connected to the 3-pin of the common mode inductor L1, and a second end of which is connected to the ground; an ESD device VD1, a 1-pin of which is connected to the 4-pin of the common mode inductor L1, a 2-pin of which is connected to the 3-pin of the common mode inductor L1, and a 3-pin of which is connected to the ground; capacitors C15 and C16 connected in parallel, a common first end of which is connected to the 5-pin of the CAN chip U2, and a common second end of which is connected to the ground.

4. The lamp panel verification controller of claim 3, wherein, The LIN circuit comprises: a LIN chip U3, a 4-pin of which is connected to the 29-pin of the main control chip U1, a 5-pin of which is connected to the ground, and a 7-pin of which is connected to the power supply circuit; a resistor R15, a first end of which is connected to the power supply circuit, and a second end of which is connected to the 1-pin of the LIN chip U3; a resistor R16, a first end of which is connected to the 30-pin of the main control chip U1, and a second end of which is connected to the 1-pin of the LIN chip U3; a resistor R17, a first end of which is connected to the power supply circuit, and a second end of which is connected to the 2-pin of the LIN chip U3; a resistor R18, a first end of which is connected to the 8-pin of the LIN chip U3, and a second end of which is connected to the ground; a resistor R19, a first end of which is connected to the 6-pin of the LIN chip U3; a resistor R20, a first end of which is connected to the second end of the resistor R19; a diode D1, a cathode of which is connected to the second end of the resistor R20, and an anode of which is connected to the 7-pin of the LIN chip U3; an ESD device VD2, a 1-pin of which is connected to the ground, and a 2-pin of which is connected to the second end of the resistor R19; a capacitor C20, a first end of which is connected to the second end of the resistor R19, and a second end of which is connected to the ground.

5. The lamp panel verification controller of claim 1, wherein, The collection circuit comprises: a photosensitive resistor RT1, a first end of which is connected to the power supply circuit, and a second end of which is connected to the main control chip U1; resistors R21 and capacitors C21 and C22 connected in parallel, a common first end of which is connected to the second end of the photosensitive resistor RT1, and a common second end of which is connected to the ground.

6. The lamp panel verification controller of claim 3, wherein, The trigger circuit comprises: a switch S2, a first end of which is connected to the power supply circuit, and a second end of which is connected to the 75-pin of the main control chip U1; a capacitor C23 connected in parallel with the switch S2; a resistor R22, a first end of which is connected to the second end of the switch S2, and a second end of which is connected to the ground.

7. The lamp panel verification controller of claim 4, wherein, The power supply circuit comprises: a power supply chip U4, a 1-pin and a 2-pin of which are connected to the 7-pin of the LIN chip U3, and a 3-pin of which is connected to the ground; a diode VD3, an anode of which is connected to the interface circuit; a polarity capacitor C24, an anode of which is connected to a cathode of the diode VD3, and a cathode of which is connected to the ground; an inductor FB1, a first end of which is connected to the cathode of the diode VD3, and a second end of which is connected to the 1-pin and the 2-pin of the power supply chip U4; capacitors C25, C26 and C27 connected in parallel, a common first end of which is connected to the 1-pin and the 2-pin of the power supply chip U4, and a common second end of which is connected to the ground; a resistor R23, a first end of which is connected to the 4-pin of the power supply chip U4, and a second end of which is connected to the ground; a resistor R24, a first end of which is connected to the 4-pin of the power supply chip U4, and a second end of which is connected to the 5-pin of the power supply chip U4; a polarity capacitor C28, an anode of which is connected to the 5-pin of the power supply chip U4, and a cathode of which is connected to the ground; a capacitor C29 connected in parallel with the polarity capacitor C28; a power supply chip U5, a 3-pin of which is connected to the ground; inductor FB2, first end of which is connected to pin 5 of power supply chip U4, second end of which is connected to pins 1, 2 of power supply chip U5; capacitors C30, C31, C32 connected in parallel, common first end of which is connected to pins 1, 2 of power supply chip U5, common second end of which is connected to ground; capacitors C33, C34 connected in parallel, common first end of which is connected to pin 5 of power supply chip U5, common second end of which is connected to ground.

8. The lamp panel verification controller of claim 7, wherein, The interface circuit comprises a plug P1, anode of diode VD3 connected to pin 1 of the plug, pins 2, 6 of the plug connected to ground, pin 3 of the plug connected to pin 4 of common mode inductor L1, pin 4 of the plug connected to pin 3 of common mode inductor L1, pin 5 of the plug connected to the second end of resistor R19.

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