CN-224205282-U - Car light control module, car light control system and vehicle

CN224205282UCN 224205282 UCN224205282 UCN 224205282UCN-224205282-U

Abstract

The application discloses a car lamp control module, a car lamp control system and a car, which relate to the technical field of car lamp control, wherein the car lamp control module is respectively connected with a car body controller, a front side headlight and a penetrating lamp on the same side, the car lamp control module comprises a driving control module, a DC-DC module and a switch module, the DC-DC module is connected with the car body controller and can perform voltage conversion on power supply voltage to generate car lamp working voltage, the switch module is respectively connected with the DC-DC module, the front side headlight and the penetrating lamp and is used for controlling connection of the front side headlight and/or the penetrating lamp and the DC-DC module, the driving control module is respectively connected with the car body controller, the DC-DC module and the switch module and is used for receiving control signals output by the car body controller and generating driving signals to the DC-DC module according to a preset driving program so that the DC-DC module performs voltage conversion according to the driving signals, and the driving control module is also used for controlling the switch module according to the control signals. The application can reduce the construction cost of the car lamp control system.

Inventors

GAO KANHUAN
ZHAO XINGFU
PENG XINHE
LIU CONG

Assignees

广汽丰田汽车有限公司

Dates

Publication Date: 20260505
Application Date: 20250428

Claims (10)

1. The car light control module is characterized by being respectively connected with a car body controller of a car, a front side headlight and a penetrating lamp on the same side as the front side headlight, wherein the car light control module comprises a driving control module, a DC-DC module and a switch module; The DC-DC module is connected with the vehicle body controller and is used for performing voltage conversion on the power supply voltage output by the vehicle body controller to generate a vehicle lamp working voltage; The switch module is respectively connected with the DC-DC module, the front side headlight and the penetrating lamp and used for controlling the connection of the front side headlight and/or the penetrating lamp with the DC-DC module; The driving control module is respectively connected with the vehicle body controller, the DC-DC module and the switch module, and is used for receiving a control signal output by the vehicle body controller, generating a driving signal to the DC-DC module according to a preset driving program so as to enable the DC-DC module to perform voltage conversion according to the driving signal, and controlling the switch module according to the control signal.
2. The vehicle lamp control module of claim 1, wherein the switch module comprises a first switch device, a second switch device, and a third switch device, and wherein the front side headlight comprises a daytime running light module and a turn light module; the first switching device is respectively connected with the driving control module, the DC-DC module and the daytime running light module; The second switching device is respectively connected with the driving control module, the DC-DC module and the turn signal module; And the third switching device is respectively connected with the driving control module, the DC-DC module and the penetrating lamp.
3. The vehicle lamp control module of claim 2, further comprising a first signal input line, a second signal input line, and a third signal input line; The driving control module is also used for controlling the first switching device to be switched on, the second switching device to be switched off and the third switching device to be switched on according to the position lamp control signal; The driving control module is also used for controlling the first switching device to be switched on, the second switching device to be switched off and the third switching device to be switched off according to the daytime running light control signal; The driving control module is also used for controlling the first switching device to be turned off, the second switching device to be turned on and the third switching device to be turned off according to the steering lamp control signal.
4. The vehicle lamp control module of claim 2, wherein the DC-DC module includes a boost circuit, a first buck circuit, and a second buck circuit; the boost circuit is respectively connected with the vehicle body controller and the driving control module and is used for boosting the power supply voltage; The first voltage reduction circuit is respectively connected with the voltage boosting circuit, the first switching device and the second switching device and is used for carrying out voltage reduction on the voltage subjected to the voltage boosting treatment to generate a first vehicle lamp working voltage; And the second voltage reduction circuit is respectively connected with the voltage boosting circuit and the third switching device and is used for carrying out voltage reduction on the voltage subjected to the voltage boosting treatment to generate a second lamp working voltage.
5. The vehicle lamp control module of claim 2, wherein the first switching device, the second switching device, and the third switching device are all field effect switching transistors.
6. The vehicle lamp control module of any one of claims 1-5, further comprising a filter module; The filtering module is respectively connected with the switch module, the front side headlight and the penetrating lamp and used for inhibiting noise interference so as to stably output the working voltage of the car lamp.
7. A vehicle lamp control system, characterized in that it comprises a vehicle body controller, a front headlight, a through lamp and a vehicle lamp control module as claimed in any one of claims 1 to 6.
8. The vehicle light control system of claim 7, wherein the number of vehicle light control modules is 2, wherein the front headlight comprises a front left headlight and a front right headlight, wherein the pass-through lamp comprises a first pass-through lamp on the same side as the front left headlight and a second pass-through lamp on the same side as the front right headlight; The first car light control module is respectively connected with the car body controller, the front left headlight and the first penetrating light and used for controlling the left car light; and the second vehicle lamp control module is respectively connected with the vehicle body controller, the front right headlight and the second penetrating lamp and used for controlling the right vehicle lamp.
9. The vehicle light control system of claim 8, wherein the front left headlamp and the front right headlamp each comprise a daytime running light module and a turn light module; The daytime running light module is a 6×4 LED array, and/or the turn light module is a 6×4 LED array, and/or The first and second through-lamps are each a 6 x 5 LED array.
10. A vehicle characterized in that it comprises the lamp control system according to any one of claims 7 to 9.

Description

Car light control module, car light control system and vehicle Technical Field The application relates to the technical field of automobile lamp control, in particular to an automobile lamp control module, an automobile lamp control system and a vehicle. Background In the related art, one or more controllers are generally allocated to each group of lamps for controlling the lamps of a vehicle, for example, three groups of lamps including a left headlight, a right headlight and a through lamp of the vehicle are controlled by three control modules including a left headlight controller, a right headlight controller and a through lamp controller, and the three control modules are connected to BCM (Body Control Module, body controller) through base strings, respectively. However, with such a control structure, the number of control modules to be provided is large, resulting in a high overall cost of the lamp control system. Disclosure of utility model The application mainly aims to provide a car lamp control module, a car lamp control system and a car, and aims to solve the technical problem that the car lamp control system in the related art is high in cost. In order to achieve the above purpose, the application provides a car light control module which is respectively connected with a car body controller, a front side headlight and a penetrating lamp on the same side as the front side headlight of a car; The DC-DC module is connected with the vehicle body controller and used for carrying out voltage conversion on the power supply voltage output by the vehicle body controller to generate a vehicle lamp working voltage; the switch module is respectively connected with the DC-DC module, the front side headlight and the penetrating lamp and used for controlling the connection of the front side headlight and/or the penetrating lamp with the DC-DC module; The driving control module is respectively connected with the vehicle body controller, the DC-DC module and the switch module, and is used for receiving control signals output by the vehicle body controller, generating driving signals to the DC-DC module according to a preset driving program so as to enable the DC-DC module to perform voltage conversion according to the driving signals, and controlling the switch module according to the control signals. In one embodiment, the switch module comprises a first switch device, a second switch device and a third switch device, wherein the front side headlight comprises a daytime running light module and a turn light module; The first switching device is respectively connected with the driving control module, the DC-DC module and the daytime running light module; the second switching device is respectively connected with the driving control module, the DC-DC module and the turn signal lamp module; And the third switching device is respectively connected with the driving control module, the DC-DC module and the penetrating lamp. In an embodiment, the vehicle lamp control module further comprises a first signal input line, a second signal input line and a third signal input line; the driving control module is also used for controlling the first switching device to be turned on, the second switching device to be turned off and the third switching device to be turned on according to the position lamp control signal; The driving control module is also used for controlling the first switching device to be turned on, the second switching device to be turned off and the third switching device to be turned off according to the daytime running light control signal; the driving control module is also used for controlling the first switching device to be turned off, the second switching device to be turned on and the third switching device to be turned off according to the steering lamp control signal. In one embodiment, the DC-DC module includes a boost circuit, a first buck circuit, and a second buck circuit; The boosting circuit is respectively connected with the vehicle body controller and the driving control module and is used for boosting the power supply voltage; The first voltage reduction circuit is respectively connected with the voltage boosting circuit, the first switching device and the second switching device and is used for carrying out voltage reduction on the voltage subjected to the voltage boosting treatment to generate a first vehicle lamp working voltage; And the second voltage reducing circuit is respectively connected with the voltage boosting circuit and the third switching device and is used for reducing the voltage after the voltage boosting treatment to generate a second operating voltage of the vehicle lamp. In an embodiment, the first switching device, the second switching device and the third switching device are field effect switching transistors. In an embodiment, the vehicle lamp control module further comprises a filtering module; And the filtering module is respectively connected with the switch mod