WO2026046143 - CIRCUIT FOR SUPPLYING POWER TO MULTIPLE LASER DEVICES, AND LIDAR AND VEHICLE
National phase entry is expected:
Publication Number
WO/2026/046143
Publication Date
05.03.2026
International Application No.
PCT/CN2025/116882
International Filing Date
26.08.2025
Title **
[English]
CIRCUIT FOR SUPPLYING POWER TO MULTIPLE LASER DEVICES, AND LIDAR AND VEHICLE
[French]
CIRCUIT POUR FOURNIR DE L'ÉNERGIE À DE MULTIPLES DISPOSITIFS LASER, ET LIDAR ET VÉHICULE
[Chinese]
用于为多个激光器供电的电路、激光雷达，及载具
Applicants **
HESAI TECHNOLOGY CO., LTD.
Inventors
ZHANG, Xue
ZHU, Jianxiong
ZHOU, Ziwen
JIN, Wenqi
XIANG, Shaoqing
Priority Data
202411188081.2
27.08.2024
CN
202411839091.8
12.12.2024
CN
202423084961.3
12.12.2024
CN
Application details
| Total Number of Claims/PCT | * |
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International Searching Authority |
CNIPA
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1942 | |
| EPO | Filing, Examination, Granting | 13607 | |
| Japan | Filing, Examination, Granting | 2296 | |
| South Korea | Filing, Examination, Granting | 2432 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
25,017
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Abstract[English]
Disclosed are a circuit for supplying power to multiple laser devices, and a LiDAR and a vehicle. The circuit comprises: a first capacitor connected to an anode of a first laser device; a second capacitor connected to an anode of a second laser device, wherein a cathode of the first laser device is connected to a cathode of the second laser device; a first charging circuit, which is connected between a first power supply terminal and the first capacitor, and is configured to charge the first capacitor during a first charging time; a second charging circuit, which is connected between a second power supply terminal and the second capacitor, and is configured to charge the second capacitor during a second charging time; a switching circuit, which is connected between the cathodes of the first laser device and the second laser device and a first signal terminal, and is configured to establish or break the connection between the cathodes of the first laser device and the second laser device and the first signal terminal; and a current branch connected between the cathodes of the first laser device and the second laser device and a second signal terminal. The present disclosure has the technical effects of improving the reliability of supplying power to laser devices and improving the detection performance of the LiDAR.[French]
L'invention concerne un circuit pour fournir de l'énergie à de multiples dispositifs laser, et un LiDAR et un véhicule. Le circuit comprend : un premier condensateur connecté à une anode d'un premier dispositif laser ; un second condensateur connecté à une anode d'un second dispositif laser, une cathode du premier dispositif laser étant connectée à une cathode du second dispositif laser ; un premier circuit de charge, qui est connecté entre une première borne d'alimentation électrique et le premier condensateur, et est configuré pour charger le premier condensateur pendant un premier temps de charge ; un second circuit de charge, qui est connecté entre une seconde borne d'alimentation électrique et le second condensateur, et est configuré pour charger le second condensateur pendant un second temps de charge ; un circuit de commutation, qui est connecté entre les cathodes du premier dispositif laser et du second dispositif laser et une première borne de signal, et est configuré pour établir ou rompre la connexion entre les cathodes du premier dispositif laser et du second dispositif laser et de la première borne de signal ; et une branche de dérivation connectée entre les cathodes du premier dispositif laser et du second dispositif laser et une seconde borne de signal. La présente divulgation présente les effets techniques d'amélioration de la fiabilité de fourniture d'énergie à des dispositifs laser et d'amélioration des performances de détection du LiDAR.[Chinese]
用于为多个激光器供电的电路、激光雷达，及载具被公开。电路包括：第一电容，与第一激光器的阳极连接；第二电容，与第二激光器的阳极连接，第一激光器的阴极和第二激光器的阴极连接；第一充电电路，连接于第一供电端与第一电容之间，被配置为在第一充电时间为第一电容充电；第二充电电路，连接于第二供电端与第二电容之间，被配置为在第二充电时间为第二电容充电；开关电路，连接于第一激光器和第二激光器的阴极与第一信号端之间，被配置为导通或断开第一激光器和第二激光器的阴极与第一信号端的连接；电流支路，连接于第一激光器和第二激光器的阴极和第二信号端之间。本公开具有提升激光器供电的可靠性，提高激光雷达的探测性能的技术效果。