Antenna elements and their manufacturing methods, array antennas, radar, and terminals

By designing an antenna element with a metal-filled plate-shaped radiating section and curved edges, the problem of narrow field of view in existing radars is solved, achieving a wider coverage and higher accuracy in obstacle detection, making it suitable for all-around detection of smart devices.

CN115249893BActive Publication Date: 2026-04-03YINWANG INTELLIGENT TECHNOLOGIES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-04-25
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Existing medium- and long-range radars and ultrasonic radars have limitations such as narrow field of view and inability to achieve all-round detection. They are also susceptible to weather conditions and cannot meet the needs of all-round obstacle detection in complex scenarios.

Method used

Design an antenna element that employs a metal-filled plate-shaped radiating section and a curved first edge section. The signal is transmitted to the two radiating sections through a feed section connection section, ensuring that the radiating sections propagate the signal in an axisymmetric direction. Combined with a director and a parasitic section, the radiation range is optimized to form a wider beamwidth and a larger coverage area.

Benefits of technology

It achieves a large horizontal and vertical coverage area, combining accuracy and sensitivity, and is suitable for all-around obstacle detection in complex scenarios.

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Abstract

This application relates to an antenna element, including a feed section, a connecting section, and two radiating sections. The connecting section connects the feed section and the radiating sections, and the feed section feeds signals to the two radiating sections respectively. The radiating sections are constructed as metal-filled plate-like structures, and the two radiating sections are spaced apart from each other. Each radiating section includes a curved first edge portion, the radiation direction of which is opposite to the connecting section, and the length L1 of the first edge portion satisfies the condition: 1 / 8λ≤L1≤3 / 8λ; where λ is the wavelength of the electromagnetic wave signal transmitted by the antenna element in the medium. This application's antenna element, by having two radiating sections arranged opposite each other, and each forming a curved first edge portion to create a main radiating segment, reduces the antenna aperture and thereby achieves a wider radiation angle, while simultaneously possessing higher accuracy and sensitivity. This application also relates to an antenna element manufacturing method, an antenna array, a radar, and a terminal.
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Citation Information

Patent Citations

  • Dipole antenna

    CN102142603A

  • Millimeter wave array antenna, shell assembly and electronic equipment

    CN112636006A

  • Antenna device

    US20060022876A1