Title:
INTELLIGENT EXPRESSWAY PROJECTION WARNING SYSTEM BASED ON SMART LAMP POST
Document Type and Number:
WIPO Patent Application WO/2023/151175
Kind Code:
A1
Abstract:
An intelligent expressway projection warning system based on a smart lamp post, comprising a warning component, and further comprising a smart lamp post projection system. The smart lamp post projection system comprises a group of lamp posts (1) provided on the outer side of an expressway along a front-back direction, a camera acquisition system (2) provided on each lamp post (1) and used for acquiring vehicle information, and a control system (3) connected to the camera acquisition system (2). The warning component is a projection device (4) which is disposed on each lamp post (1) and is used for projecting a warning mark to a lane of the expressway, and a controlled end of the projection device (4) is connected to an output end of the control system (3). The position of an accident vehicle is set to be A, and the position of the lamp post (1) where the turned-on projection device (4) is located is set to be DN, N is greater than or equal to 1 and is an integer, then DN is located behind A, and a distance between DN and A is less than or equal to 200 meters.
Inventors:
LI ZHEN (CN)
TIAN ZHIHUAI (CN)
CAO ZENGBO (CN)
LU LIFENG (CN)
DU YANING (CN)
TIAN ZHIHUAI (CN)
CAO ZENGBO (CN)
LU LIFENG (CN)
DU YANING (CN)
Application Number:
PCT/CN2022/086211
Publication Date:
August 17, 2023
Filing Date:
April 12, 2022
Export Citation:
Assignee:
TONGHUI ELECTRONIC TECH CO LTD (CN)
International Classes:
G08G1/07
Domestic Patent References:
| WO2019121243A1 | 2019-06-27 | |||
| WO2021008537A1 | 2021-01-21 |
Foreign References:
| CN114005288A | 2022-02-01 | |||
| CN110864269A | 2020-03-06 | |||
| CN112349111A | 2021-02-09 | |||
| CN113850872A | 2021-12-28 |
Attorney, Agent or Firm:
HEBEI ZHIYI PATENT AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)
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