A control system for LED animation effects of car lights

Abstract

The utility model provides a control system for LED animation effects of car lights, including a whole vehicle control module, the output end of the whole vehicle control module is electrically connected to a lamp control module, the output end of the lamp control module is electrically connected to a drive module, the output end of the drive module is electrically connected to a light board; the light board includes a plurality of animation light groups that can be controlled individually and arranged in a matrix, the animation light group includes LED car lights, the positive ends of the LED car lights are all electrically connected to a VCC1 power supply, a capacitor C17 is connected in series between the negative ends of the LED car lights and the ground, the negative ends of the LED car lights are electrically connected to the drive module respectively, and the drive module adjusts the voltage at the negative end of each LED car light to change the brightness of the animation light group to achieve animation effects. The utility model can enable the car lights to perform dynamic indications, thereby improving the ornamental value of the car lights; it can also enable a single car light to execute the action indications of multiple cars, thereby improving the practicality of a single car light.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamp control, in particular to a control system for LED animation effects of vehicle lamps. Background Art

[0002] With the rapid development of the automobile industry, especially new energy vehicles, the performance and energy fields of automobiles have developed rapidly, but the headlights on the market are only used for lighting or indication, with single functions. In order to improve the diversity and practicality of new energy vehicle functions, it is necessary to provide a headlight that can realize the light language function, so that the headlight presents a dynamic effect and makes the indication function of the headlight clearer and more diverse. Utility Model Content

[0003] In view of this, the problem to be solved by the utility model is to provide a control system for LED animation effects of car lights, which can enable the car lights to perform dynamic indications and improve the ornamental value of the car lights; it can also enable a single car light to execute action indications for multiple cars and improve the practicality of a single car light.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A control system for LED animation effects of vehicle lights, comprising a vehicle control module, wherein an output end of the vehicle control module is electrically connected to a lamp control module, an output end of the lamp control module is electrically connected to a drive module, and an output end of the drive module is electrically connected to a lamp board;

[0006] The light panel includes a plurality of individually controllable animation light groups arranged in a matrix, the animation light groups include LED headlights, the positive terminals of the LED headlights are electrically connected to the VCC1 power supply, a capacitor C17 is connected in series between the negative terminals of the LED headlights and the ground, the negative terminals of the LED headlights are electrically connected to drive modules, and the drive modules adjust the voltage at the negative terminal of each LED headlight to change the brightness of the animation light group to achieve an animation effect.

[0007] Furthermore, the LED headlight includes a headlight LED89, and the headlight LED89 is connected in parallel to a capacitor C118 for linearly adjusting the voltage across the LED headlight to improve the continuity of the brightness change of the LED headlight.

[0008] Furthermore, the headlight LED 89 is connected in series with the headlight LED 99 to increase brightness.

[0009] Furthermore, capacitors C106, C107, C108, C109 and C111 are connected in series between the VCC1 power supply and the ground, respectively.

[0010] Furthermore, the driving module includes a matrix chip U7, and the matrix chip U7 includes a plurality of PL ports, and the PL ports are electrically connected to the negative ends of the corresponding LED lights, and synchronously control the brightness of the plurality of LED lights to produce an animation effect.

[0011] Furthermore, the PL port outputs a multi-level pulse signal to change the brightness of the LED headlight.

[0012] Furthermore, the vehicle control module communicates data with the lamp control module via the CAN bus, and the lamp control module communicates data with the drive module via the UART interface, thereby saving wiring resources.

[0013] Furthermore, the lamp control module includes a control chip U5, model FS32K146; the matrix chip U7 model BD18333EUV.

[0014] The advantages and positive effects of the utility model are:

[0015] The control system of the car lights is composed of the vehicle control module, the lamp control module, the drive module and the light board. The lamp control module is connected to the light board through the drive module to avoid direct connection between the lamp control module and the car light LED in the light board, thereby reducing wiring resources.

[0016] The light board is provided with several animation light groups arranged in a matrix. The driving module adjusts the brightness of different animation light groups according to the control instructions to achieve the animation effect. The light board displays different animations to indicate different actions, thereby improving the viewing experience of the car and improving the function of that single headlight. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is the overall system diagram of a control system for LED animation effects of a vehicle light of the utility model;

[0019] Figure 2 This is a circuit diagram of a lamp control module in a control system for a car lamp LED animation effect of the utility model;

[0020] Figure 3 This is a circuit diagram of a driving module in a control system for a car light LED animation effect of the utility model;

[0021] Figure 4 The utility model discloses a circuit diagram of a light board in a control system of a car light LED animation effect. DETAILED DESCRIPTION

[0022] 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.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] The utility model provides a control system for LED animation effects of vehicle lights, such as Figure 1 As shown, it includes a vehicle control module for controlling the movement of the vehicle, the output end of the vehicle control module is electrically connected to the lamp control module, and the lamp control module can be used to control the movement of all lights in the vehicle; the output end of the lamp control module is electrically connected to the drive module, and the output end of the drive module is electrically connected to the light board. An embodiment of the present application is: a light board is a headlight, and a plurality of light boards can constitute a headlight.

[0025] The driver module controls the light board to present animation effects and animated car lights. The light board includes several animation light groups, which are distributed on the surface of the light board in a matrix form. By controlling the animation light groups to light up in a set order, animations or text are formed on the surface of the light board. The light board is equipped with a brightness collection circuit to monitor the working condition of the light board and feed back the monitoring data to the vehicle control module to remind the user.

[0026] like Figure 2 and Figure 3 The lamp control module includes a control chip U5, and the model of the control chip U5 is FS32K146; the drive module includes a matrix chip U7, and the model of the matrix chip U7 is BD18333EUV. The control chip U5 communicates with the vehicle control module through the CAN bus and receives control instructions for all the lights. The vehicle control module communicates with the matrix chip U7 through the uart serial port and transmits the control instructions of a single light to the matrix chip U7. The matrix chip U7 controls the brightness of multiple animation light groups at the same time according to the control instructions to present animation or text effects. One embodiment of the present application is: the matrix chip U7 communicates with the control chip U5 through the interface RX1 and the interface TX1 so that the drive chip receives the control signal.

[0027] like Figure 4 As shown, the animation light group includes an LED headlight, the LED headlight is connected in parallel with a capacitor C118, the positive terminal of the LED headlight is electrically connected to the VCC1 power supply, the negative terminal of the LED headlight is connected in series with a capacitor C17 and the ground, and both capacitors C17 and C118 are non-polar capacitors. To facilitate the control of the LED headlight, the negative terminal of the LED headlight is provided with a PL interface, and the PL interface is electrically connected to the matrix chip U7 to directly control the LED headlight.

[0028] The matrix chip U7 includes several PL interfaces electrically connected to the animation light group. When controlling the brightness of the LED lights in the animation light group, the PL interface outputs a multi-level pulse voltage to change the voltage at the output end of the LED lights. The capacitors C17 and C118 can slow down the rate of change of the voltage at both ends of the LED lights, so that the brightness of the LED lights changes linearly, improving the continuity of the brightness change of the LED lights.

[0029] The specific control process of the LED car light is as follows: when the PL interface voltage is pulled high, the voltage at the negative terminal of the LED car light is greater than the positive terminal, no current flows through the LED car light, and capacitors C17 and C118 are charged, so that the voltage difference across the LED car light is a constant value; when the PL interface voltage is pulled low, the voltage at the negative terminal of the LED car light is less than the positive terminal, the LED car light lights up, capacitor C17 discharges, slowing down the rate of change of the voltage across the LED car light, and the LED car light slowly lights up.

[0030] The LED car light comprises a car light LED89 and a car light LED99, and the car light LED89 and the car light LED99 are connected in series.

[0031] Capacitors C106, C107, C108, C109 and C111 are connected in series between the VCC1 power supply and the ground. When the VCC1 power supply is unstable, capacitors C106, C107, C108, C109 and C111 are connected in series to discharge, so that the positive terminal voltage of the LED lamp is stable.

[0032] Specific implementation process:

[0033] The vehicle control module communicates with the control chip U5 through the CAN communication matrix protocol. The model of the control chip U5 may be FS32K146. The control chip U5 communicates with the matrix chip U7 through the TX1 port and RX1 port of the uart serial port. The model of the matrix chip U7 may be: BD18333EUV. The PL1-18 pins of the 18333 matrix control chip are electrically connected to the 18 animation light groups on the light board respectively. The PL port outputs a multi-level pulse signal, which controls the on and off sequence and brightness of the 18 animation light groups in sequence and state according to the logic input by the embedded software to achieve the animation effect.

[0034] The above embodiments of the utility model are described in detail, but the above contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of the utility model should still fall within the scope of this patent.

Claims

1. A control system for LED animation effects of vehicle lights, characterized in that: It includes a vehicle control module, the output end of which is electrically connected to a lamp control module, the output end of which is electrically connected to a drive module, and the output end of which is electrically connected to a lamp board; The light panel includes a plurality of individually controllable animation light groups arranged in a matrix, the animation light groups include LED headlights, the positive terminals of the LED headlights are electrically connected to the VCC1 power supply, a capacitor C17 is connected in series between the negative terminals of the LED headlights and the ground, the negative terminals of the LED headlights are electrically connected to drive modules, and the drive modules adjust the voltage at the negative terminal of each LED headlight to change the brightness of the animation light group to achieve an animation effect.

2. A control system for LED animation effects of vehicle lights according to claim 1, characterized in that: The LED headlight comprises a headlight LED89, and the headlight LED89 is connected in parallel to a capacitor C118 for linearly adjusting the voltage across the LED headlight to improve the continuity of the brightness change of the LED headlight.

3. A control system for LED animation effects of vehicle lights according to claim 1, characterized in that: The headlight LED 89 is connected in series with the headlight LED 99 to increase brightness.

4. A control system for LED animation effects of vehicle lights according to claim 1, characterized in that: Capacitors C106, C107, C108, C109 and C111 are connected in series between the VCC1 power supply and the ground electrode, respectively.

5. The control system for LED animation effects of vehicle lights according to claim 1, characterized in that: The driving module includes a matrix chip U7, and the matrix chip U7 includes a plurality of PL ports. The PL ports are electrically connected to the negative terminals of corresponding LED lights and synchronously control the brightness of the plurality of LED lights to produce an animation effect.

6. A control system for LED animation effects of vehicle lights according to claim 5, characterized in that: The PL port outputs a multi-level pulse signal to change the brightness of the LED lamp.

7. The control system for LED animation effects of vehicle lights according to claim 1, characterized in that: The vehicle control module communicates data with the lamp control module via the CAN bus, and the lamp control module communicates data with the drive module via the UART interface, saving wiring resources.

8. The control system for LED animation effects of vehicle lights according to claim 5, characterized in that: The lamp control module includes a control chip U5, model FS32K146; the matrix chip U7 model BD18333EUV.

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