Railway vehicle, electronic equipment thereof and low-frequency magnetic field shielding structure

• Main Authors: CHEN SANMENG, FAN LIBING, REN ZEWEN, ZHONG LUOQUAN, WANG YONG
• Format: Patent
• Language: Chinese; English
• Published: 11.07.2023
• Subjects: CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; PRINTED CIRCUITS

The utility model discloses a railway vehicle and electronic equipment thereof and a low frequency magnetic field shielding structure, the shielding structure comprises at least one shielding plate, the shielding plate is installed on the side surface of the electronic equipment, and the shielding plate comprises a honeycomb plate layer, a silicon steel layer and a ceramic fiber cotton layer, and the silicon steel layer is positioned between the honeycomb plate layer and the ceramic fiber layer. According to the utility model, the shielding plate composed of the honeycomb plate layer, the silicon steel layer and the ceramic fiber cotton layer is high in magnetic permeability, light in weight and good in low-frequency shielding effect, and can limit electromagnetic radiation within 20kHz generated by electronic equipment within a limit value; and the shielding structure is novel and practical. 本实用新型公开了一种轨道车辆及其电子设备、低频磁场屏蔽结构，所述屏蔽结构包括至少一屏蔽板，所述屏蔽板安装于电子设备的侧面，且所述屏蔽板包括蜂窝板层、硅钢层和陶瓷纤维棉层，所述硅钢层位于所述蜂窝板层与陶瓷纤维层之间。本实用新型中，由蜂窝板