Title:
VEHICLE LAMP CONTROL CIRCUIT AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/181717
Kind Code:
A1
Abstract:
The present invention provides a vehicle lamp control circuit and a vehicle. The vehicle lamp control circuit comprises a plurality of vehicle lamp circuits and a control circuit; each vehicle lamp circuit comprises at least one LED lamp, an LED fault detection unit, and an LED driving unit; the LED fault detection unit generates a detection signal according to a fault state of each LED lamp in the corresponding vehicle lamp circuit, and comprises a fault detection result output end for outputting the detection signal; the LED driving unit comprises a driving signal input end for inputting an LED driving signal; the control circuit comprises a control chip; an input pin of the control chip is connected to the fault detection result output end of each vehicle lamp circuit, and an output pin of the control chip is connected to the driving signal input end of each vehicle lamp circuit. The control chip generates the corresponding LED driving signal according to the detection signal to drive turn-on or turn-off of the LED lamp in each vehicle lamp circuit. The vehicle lamp control circuit in the present invention can realize a vehicle lamp N-1 function, and is simple in circuit structure, low in circuit costs, and high in reliability and stability.
Inventors:
JIANG MIN (CN)
NI PENGPENG (CN)
ZHANG YANG (CN)
TANG HAILIAN (CN)
XIA CHENGJUN (CN)
NI PENGPENG (CN)
ZHANG YANG (CN)
TANG HAILIAN (CN)
XIA CHENGJUN (CN)
Application Number:
PCT/CN2019/100333
Publication Date:
September 17, 2020
Filing Date:
August 13, 2019
Export Citation:
Assignee:
CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYSTEMS CO LTD (CN)
International Classes:
H05B44/00
Foreign References:
| CN107512216A | 2017-12-26 | |||
| CN109661076A | 2019-04-19 | |||
| CN108569212A | 2018-09-25 |
Attorney, Agent or Firm:
CHANGZHOU BAIYETENGFEI PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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