Wave absorbing structure and vehicle

By designing a deformable wave absorbing structure in the vehicle, using periodically arranged wave absorbing units and target graphic parameter adjustment technology, the problem of difficult-to-meet wave absorbing performance in vehicle electromagnetic wave absorption scenarios is solved, and a good electromagnetic wave absorption effect in complex shape areas is achieved.

CN119651194APending Publication Date: 2025-03-18NIO TECH ANHUI CO LTD
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Patent Information

Application Number
CN202411847609.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

Existing wave absorbing materials are difficult to meet the demand for wave absorbing performance in vehicle electromagnetic wave absorption scenarios, especially in absorbing areas of complex shapes.

Method used

An absorbing structure is designed, including a deformable dielectric substrate, a resistive layer and a reflective layer. A periodically arranged absorbing unit is provided in the resistive layer. The target pattern parameters of the targeted graphical parameters are adjusted by a determination method to meet the absorbing performance of the preset frequency band.

Benefits of technology

By adjusting the target graphic parameters of the wave absorbing unit, good electromagnetic wave absorption performance can be achieved in the complex shape areas of the vehicle, meeting the needs of the vehicle electromagnetic wave absorption scenario.

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Abstract

The invention discloses a wave absorbing structure and a vehicle. The wave absorbing structure comprises a deformable dielectric substrate, a resistive layer arranged on the first surface of the dielectric substrate, and a reflecting layer arranged on the second surface of the dielectric substrate, the resistive layer is arranged to be used for absorbing electromagnetic waves of a preset frequency band, and the reflecting layer is arranged to be used for reflecting the electromagnetic waves penetrating through the dielectric substrate to the resistive layer; the resistive layer comprises a plurality of wave-absorbing units which are periodically arranged, and the target pattern parameters of the wave-absorbing units correspond to the wave-absorbing performance of the wave-absorbing structure on the electromagnetic waves of the preset frequency band when the wave-absorbing structure is in the target deformation state. As the target pattern parameter of the wave absorbing unit corresponds to the wave absorbing performance of the wave absorbing structure on the electromagnetic wave of the preset frequency band when the wave absorbing structure is in the target deformation state, when the wave absorbing structure is applied to the wave absorbing area with deformation (such as radian), the wave absorbing performance is improved; the wave-absorbing structure can meet the wave-absorbing performance requirement of the wave-absorbing area by adjusting the target pattern parameters of the wave-absorbing units of the wave-absorbing structure.
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