Automobile intelligent headlamp area controller system

Abstract

The utility model discloses an automobile intelligent headlamp area controller system which comprises a vehicle information unit, a headlamp area controller, a lamp execution unit, a public CAN FD bus and a private CAN FD bus, and the vehicle information unit is connected with the headlamp area controller through the public CAN FD bus; the lamp execution unit comprises a left headlamp execution unit, a right headlamp execution unit, a grille lamp execution unit, a left ISD lamp execution unit and a right ISD lamp execution unit. The left headlamp execution unit, the right headlamp execution unit, the grille lamp execution unit, the left ISD lamp execution unit and the right ISD lamp execution unit are all connected with the headlamp area controller through a private CAN FD bus. According to the automobile intelligent headlamp area controller system, the space of the whole automobile is saved, connection of wire harnesses is reduced, the manufacturing cost of the automobile can be effectively controlled, and the reliability and maintainability of the automobile can be improved.

Description

Technical Field

[0001] The utility model relates to an automotive intelligent headlamp domain controller system, belonging to the technical field of automotive lamps. Background Art

[0002] At present, the functions of traditional automotive headlamps are relatively simple, mainly adopting a distributed architecture, that is, each lamp uses its own independent control system. With the increasing and higher demands of users for automotive intelligence, the headlamp system has become more and more complex. In the face of the increasingly complex automotive intelligence requirements, if the traditional distributed architecture is adopted, the vehicle space will become larger and larger, and the wiring harness connection will become more and more complex, which not only cannot effectively control the automotive manufacturing cost, but also the reliability and maintainability of the vehicle will be reduced. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an automotive intelligent headlamp domain controller system, which not only saves the vehicle space and reduces the connection of the wiring harness, but also can effectively control the automotive manufacturing cost, and the reliability and maintainability of the vehicle will also be improved.

[0004] To solve the above technical problem, the technical solution of the utility model is as follows:

[0005] An automotive intelligent headlamp domain controller system, which includes a vehicle information unit, a headlamp domain controller, a lamp execution unit, a public CAN FD bus and a private CAN FD bus. The vehicle information unit is connected to the headlamp domain controller through the public CAN FD bus;

[0006] The lamp execution unit includes a left front headlamp execution unit, a right front headlamp execution unit, a grille lamp execution unit, a left ISD lamp execution unit and a right ISD lamp execution unit. The left front headlamp execution unit, the right front headlamp execution unit, the grille lamp execution unit, the left ISD lamp execution unit and the right ISD lamp execution unit are all connected to the headlamp domain controller through the private CAN FD bus.

[0007] Further, the vehicle information includes headlamp switch signal information, body height sensor information, vehicle speed information and ADAS information.

[0008] Further, the headlamp domain controller includes an SBC module, an MCU module and a CAN transceiver. The MCU module is connected to the SBC. The SBC module provides power for the MCU module. The MCU module is connected to the public CAN FD bus through the SBC module. The MCU module is connected to the private CAN FD bus through the CAN transceiver.

[0009] Further, the left front headlight execution unit includes a left front headlight driving module, a left position turn signal module, a left low beam module, a left ADB module, a left auxiliary high and low beam module, and a left motor module. The left front headlight driving module is connected to the left position turn signal module, the left low beam module, the left ADB module, the left auxiliary high and low beam module, and the left motor module through signal lines. The left front headlight driving module is used to drive and light up the left position turn signal module, the left low beam module, the left ADB module, and the left auxiliary high and low beam module, and drive the left motor module to adjust the up and down and left and right positions of the left low beam module.

[0010] Further, the right front headlight execution unit includes a right front headlight driving module, a right position turn signal module, a right low beam module, a right ADB module, a right auxiliary high and low beam module, and a right motor module. The right front headlight driving module is connected to the right position turn signal module, the right low beam module, the right ADB module, the right auxiliary high and low beam module, and the right motor module through signal lines. The right front headlight driving module is used to drive and light up the right position turn signal module, the right low beam module, the right ADB module, and the right auxiliary high and low beam module, and drive the right motor module to adjust the up and down and left and right positions of the right low beam module.

[0011] Further, the grille lamp execution unit includes a grille lamp driving module and a grille lamp module. The grille lamp driving module is connected to the grille lamp module through a signal line. The grille lamp driving module is used to drive and light up the grille lamp module.

[0012] Further, the left ISD lamp execution unit includes a left ISD lamp driving module and a left ISD lamp module. The left ISD lamp driving module is connected to the left ISD lamp module through a signal line. The left ISD lamp module is used to drive and light up the left ISD lamp module.

[0013] Further, the right ISD lamp execution unit includes a right ISD lamp driving module and a right ISD lamp module. The right ISD lamp driving module is connected to the right ISD lamp module through a signal line. The right ISD lamp module is used to drive and light up the right ISD lamp module.

[0014] With the above technical solution, the front lamp domain controller of the present utility model is responsible for collecting various information messages of the vehicle body, performing relevant logic processing and algorithm operations, and transmitting execution commands to each lamp of the front lamp to uniformly control all lamps of the front lamp. The present utility model centrally controls all front lamps through a front lamp domain controller, without each lamp execution unit having its own controller, which not only reduces the cost of the entire front lamp system but also ensures the synchronization of signals. The present utility model centrally controls all front lamps through a domain controller, reducing the number of vehicle lamp controllers and the connection of wire harnesses, thereby improving the reliability and maintainability of the vehicle and meeting the requirements of complex functions. Description of the Drawings

[0015] Figure 1 This is the system architecture diagram of the automotive intelligent headlamp domain controller system of the present utility model;

[0016] Figure 2 This is the principle block diagram of the lamp execution unit of the present utility model;

[0017] Figure 3 This is the principle block diagram of the automotive intelligent headlamp domain controller system of the present utility model. Detailed implementation manners

[0018] In order to make the content of the present utility model easier to be clearly understood, the present utility model will be further described in detail below according to specific embodiments and in conjunction with the accompanying drawings.

[0019] As Figure 1 shown, this embodiment provides an automotive intelligent headlamp domain controller system, which includes a vehicle information unit, a headlamp domain controller, a lamp execution unit, a public CAN FD bus, and a private CAN FD bus. The vehicle information unit is connected to the headlamp domain controller through the public CAN FD bus. The vehicle information unit is used to collect vehicle information and transmit the vehicle information to the headlamp domain controller. The headlamp domain controller is used to send lamp module execution commands to the lamp execution unit. The lamp execution unit is used to control the working state of the lamps according to the lamp module execution commands. Among them, the vehicle information in this embodiment includes headlamp switch signal information, body height sensor information, vehicle speed information, and ADAS (Advanced Driver Assistance System) information.

[0020] As Figure 2 shown, the lamp execution unit in this embodiment includes a left front headlamp execution unit, a right front headlamp execution unit, a grille lamp execution unit, a left ISD lamp execution unit, and a right ISD lamp execution unit. The left front headlamp execution unit, the right front headlamp execution unit, the grille lamp execution unit, the left ISD lamp execution unit, and the right ISD lamp execution unit are all connected to the headlamp domain controller through the private CAN FD bus. Among them, the left front headlamp execution unit and the right front headlamp execution unit are used to control the working states of the left front headlamp and the right front headlamp according to the headlamp domain controller execution commands; the grille lamp execution unit is used to control the working state of the grille lamp according to the headlamp domain controller execution commands; the left ISD execution unit and the right ISD execution unit are used to control the working states of the left ISD lamp and the right ISD lamp according to the headlamp domain controller execution commands.

[0021] As Figure 1 shown, the headlamp domain controller in this embodiment receives the messages of the vehicle information unit, performs logical processing on the messages, is used to control the lighting functions of each lamp in the lamp execution unit, and feeds back the lighting states and fault states of each lamp in the lamp execution unit to the vehicle information unit. As Figure 3As shown, the headlight domain controller of this embodiment includes an SBC module, an MCU module and a CAN transceiver. The MCU module is connected to the SBC module, the SBC module provides power for the MCU module, the MCU module is connected to the public CAN FD bus through the SBC module, and the MCU module is connected to the private CAN FD bus through the CAN transceiver. Specifically, the MCU module of this embodiment adopts the NXP automotive-grade S32K314 microcontroller, with Arm Cortex-M4F as the core, the core frequency is 160MHz, good performance, high stability, and is suitable for the field of body electronics. The SBC module uses NXP's UJA1169, which is a miniature high-speed CAN system basis chip that contains an HS-CAN transceiver compliant with ISO 11898-2:201x (the upcoming merged ISO11898-2 / 5 / 6) and an integrated 5 V or 3.3 V 250 mA scalable power supply for microcontrollers and / or other loads). It also has a watchdog and serial peripheral interface. The UJA1169 can operate in low-current standby and sleep modes with bus and local wake-up functions.

[0022] like Figure 3 As shown, the left headlight execution unit of the present embodiment includes a left headlight driving module, a left position turn signal module, a left low beam module, a left ADB (Adaptive Driving Beam) module, a left auxiliary high and low beam module and a left motor module. The left headlight driving module is connected to the left position turn signal module, the left low beam module, the left ADB module, the left auxiliary high and low beam module and the left motor module through a signal line. The left headlight driving module is used for driving and lighting up the left position turn signal module, the left low beam module, the left ADB module and the left auxiliary high and low beam module and driving the left motor module to adjust the up and down and left and right positions of the left low beam module.

[0023] like Figure 3 As shown, the right front headlight execution unit of the present embodiment includes a right front headlight driving module, a right position turn signal module, a right low beam module, a right ADB module, a right auxiliary high and low beam module and a right motor module. The right front headlight driving module is connected to the right position turn signal module, the right low beam module, the right ADB module, the right auxiliary high and low beam module and the right motor module through a signal line. The right front headlight driving module is used for driving and lighting up the right position turn signal module, the right low beam module, the right ADB module, the right auxiliary high and low beam module and driving the right motor module to adjust the up and down and left and right positions of the right low beam module.

[0024] like Figure 3 As shown, the grille light execution unit of this embodiment includes a grille light driving module and a grille light module. The grille light driving module is connected to the grille light module through a signal line, and the grille light driving module is used to drive and light up the grille light module.

[0025] As Figure 3 shown, the left ISD lamp execution unit of this embodiment includes a left ISD lamp driving module and a left ISD lamp module. The left ISD lamp driving module is connected to the left ISD lamp module through a signal line, and the left ISD lamp module is used to drive and light up the left ISD lamp module.

[0026] As Figure 3 shown, the right ISD lamp execution unit of this embodiment includes a right ISD lamp driving module and a right ISD lamp module. The right ISD lamp driving module is connected to the right ISD lamp module through a signal line, and the right ISD lamp module is used to drive and light up the right ISD lamp module.

[0027] For the specific embodiments described above, the technical problems solved, technical solutions and beneficial effects of the present invention are further described in detail. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An automotive intelligent headlight domain controller system, characterized in that: It includes a vehicle information unit, a headlight domain controller, a lamp execution unit, a public CAN FD bus and a private CAN FD bus, wherein the vehicle information unit is connected to the headlight domain controller via the public CAN FD bus; The lamp execution unit includes a left front headlight execution unit, a right front headlight execution unit, a grille light execution unit, a left ISD light execution unit and a right ISD light execution unit. The left front headlight execution unit, the right front headlight execution unit, the grille light execution unit, the left ISD light execution unit and the right ISD light execution unit are all connected to the headlight domain controller through a private CAN FD bus.

2. The automotive intelligent headlight domain controller system according to claim 1, characterized in that: The vehicle information includes light switch signal information, vehicle height sensor information, vehicle speed information and ADAS information.

3. The automotive intelligent headlight domain controller system according to claim 1, characterized in that: The headlight domain controller includes an SBC module, an MCU module and a CAN transceiver. The MCU module is connected to the SBC, the SBC module provides power for the MCU module, the MCU module is connected to the public CAN FD bus through the SBC module, and the MCU module is connected to the private CAN FD bus through the CAN transceiver.

4. The automotive intelligent headlamp domain controller system according to claim 1, characterized in that: The left front headlight execution unit includes a left front headlight drive module, a left position turn signal module, a left low beam module, a left ADB module, a left auxiliary high and low beam module and a left motor module. The left front headlight drive module is connected to the left position turn signal module, the left low beam module, the left ADB module, the left auxiliary high and low beam module and the left motor module through a signal line. The left front headlight drive module is used to drive and light up the left position turn signal module, the left low beam module, the left ADB module, the left auxiliary high and low beam module and drive the left motor module to adjust the up and down and left and right positions of the left low beam module.

5. The automotive intelligent headlight domain controller system according to claim 1, characterized in that: The right front headlight execution unit includes a right front headlight drive module, a right position turn signal module, a right low beam module, a right ADB module, a right auxiliary high and low beam module and a right motor module. The right front headlight drive module is connected to the right position turn signal module, the right low beam module, the right ADB module, the right auxiliary high and low beam module and the right motor module through a signal line. The right front headlight drive module is used to drive and light up the right position turn signal module, the right low beam module, the right ADB module, the right auxiliary high and low beam module and drive the right motor module to adjust the up and down and left and right positions of the right low beam module.

6. The automotive intelligent headlamp domain controller system according to claim 1, characterized in that: The grille light execution unit comprises a grille light driving module and a grille light module. The grille light driving module is connected to the grille light module via a signal line. The grille light driving module is used to drive and light up the grille light module.

7. The automotive intelligent headlamp domain controller system according to claim 1, characterized in that: The left ISD lamp execution unit includes a left ISD lamp driving module and a left ISD lamp module. The left ISD lamp driving module is connected to the left ISD lamp module through a signal line. The left ISD lamp module is used to drive and light up the left ISD lamp module.

8. The automotive intelligent headlamp domain controller system according to claim 1, characterized in that: The right ISD lamp execution unit includes a right ISD lamp driving module and a right ISD lamp module. The right ISD lamp driving module is connected to the right ISD lamp module through a signal line. The right ISD lamp module is used to drive and light up the right ISD lamp module.

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