Control device for intelligent lamp of an automobile with lamp warning sentences
A technology for vehicle light control and light display, which is applied to signal devices, comprehensive factory control, and comprehensive factory control. It can solve problems such as system electromagnetic interference, complicated wiring, and inability to effectively avoid traffic accidents, so as to avoid neglect and misoperation. , avoid traffic accidents, easy to learn and understand the effect
Inactive Publication Date: 2012-12-19
BEIHANG UNIV
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Problems solved by technology
However, the lights are only controlled by independent switches, and the amount of information is single, so they cannot synthesize the basic driving state of the car and provide more comprehensive information for the driver behind.
At the same time, the light has only two states of on and off, the warning effect provided is not good enough, and the occurrence of traffic accidents cannot be effectively avoided
Finally, the traditional lighting control system mostly adopts relay or independent switch mode control, which makes the wiring harness in the car too much and the wiring is complicated, which will cause serious electromagnetic interference to the system and reduce the reliability of the system
Method used
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[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0040] Cars communicate through the CAN bus, such as figure 1 As shown in the figure:
[0041] The throttle sensor in the engine management system EMS outputs the throttle opening signal F1 to the lamp control device;
[0042] The brake light switch in the automotive lighting and signal control system outputs the brake light on / off signal F2 to the car light control device;
[0043] The acceleration sensor in the automotive electronic stability program EPS outputs the acceleration signal F3 to the car light control device;
[0044] The fault light switch in the automotive lighting and signal control system outputs the fault light close / close signal F4 to the car light control device;
[0045] The steering wheel angle sensor in the automotive electronic stability program EPS outputs the steering wheel angle signal F5 to the car light contro...
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The invention discloses a control device for an intelligent lamp of an automobile with lamp warning sentences. The control device comprises a CAN (controller area network) bus interface circuit, a lamp warning state control circuit and a lamp warning state start-up circuit. The control device is connected with the CAN bus of an automobile through the CAN bus interface circuit; the lamp warning state start-up circuit is connected with a braking lamp, a steering lamp, a reversing lamp and a high-mounted braking lamp of the automobile; and the lamp warning state control circuit is used for receiving sensing information sent by the CAN bus through the CAN bus interface circuit to control the corresponding lamp warning sentences so that different lamp warning sentences appear on the tail part of the automobile under the related operation of a driver to provide lamp warning information for the following automobiles.
Description
technical field [0001] The present invention relates to a control device for controlling the lights of automobiles to display different lights, more particularly, it refers to a control device capable of receiving automobile driving state information through the automobile CAN bus, so that the automobile lights (tail) display different light language and An intelligent light control device that provides warnings to vehicles behind. Background technique [0002] Typical control systems of modern cars include Engine Management System (EMS for short), Electronic Stability Program (ESP for short), Cruise Control System (CCS for short), and Supplemental Restraint System (Supplemental Restraint). System, referred to as SRS), automatic air conditioning systems and automotive lighting and signal control systems. [0003] In the existing automotive lighting and signal control system, when the driver depresses the brake pedal, the brake light switch is closed, and the brake tail ligh...
Claims
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IPC IPC(8): B60Q1/00B60R16/023G05B19/418
CPCY02P90/02
Inventor 高峰徐国艳崔莹陈洪升高巧明蒋大伟
Owner BEIHANG UNIV