Road vehicle with current collector

By installing a camera system on the road vehicle to detect the position and height of the contact line and automatically adjust the height position of the contact member group of the current collector, the problem of inefficient energy input in the electrified lane is solved, and more efficient power utilization and more stable current collector operation is achieved.

CN119731042APending Publication Date: 2025-03-28SIEMENS MOBILITY GMBH
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Patent Information

Application Number
CN202380061744.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-08-26
Filing Date
2023-07-24
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

When road vehicles are driving on electrified lanes, they face the problem of relative position changes between the current collector and the contact line, resulting in inefficient energy input.

Method used

The vehicle-side camera system, including a time-of-flight camera and a camera, is used to detect the depth data and contrast data of the surrounding environment. The evaluation system determines the existence, position and height of the contact line through these data, and automatically adjusts the height position of the contact member group of the current collector.

Benefits of technology

Accurate identification and automatic adjustment of the relative position of the contact line is achieved, the energy input efficiency of the electrified section is improved, the burden on the driver is reduced, and the operation stability of the current collector is improved.

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Abstract

The invention relates to a road vehicle (1) having a current collector (2) for supplying electrical energy from a bipolar overhead line installation (3) during travel on a lane (L), a contact line (4) of the overhead line installation (3) extending above the lane (L). The current collector (2) has a contact element group (5) for electrically contacting the contact wire (4) and a lifting device (6) for raising and lowering the contact element group (5) between a lower rest position (HO) and an upper contact position (HI). According to the invention, the road vehicle (1) comprises a camera system (7) for detecting a surrounding part (U), which camera system is arranged and oriented in such a way that at least part of the current collector (2) and the contact line (4), if present, are located in the surrounding part (U). The camera system (7) comprises a time-of-flight camera (8) for detecting depth data (DT) of the surroundings (U), a camera (9) for detecting contrast data (DK) of the surroundings (U), and an evaluation system (10) which is designed to determine the presence of a discussion (PT) from the detected depth data and the detected contrast data: whether a contact line (4) is present in the surroundings (U); and determining a lateral position (Y) and a height (Z) of the contact line (4) and a height position (H) of the contact member group (5) if the contact line (4) is present.
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