The utility model discloses a vehicle mounted video switch, including video and audio signals for sending and receiving and sending and receiving control signal or state network switching module, power supply module for providing the vehicle video switch power supply and signal conversion for analog video and audio video and audio signals into digital video and audio encoding module; wherein, the network module and external exchange the control device is connected, audio encoding module and the network connection switching module, power supply module is respectively connected with the network switch module and audio encoding module. The utility model can realize the coding and transmission of the video image in the complex environment of the rail traffic.
【技术实现步骤摘要】
【技术保护点】
１．一种车载视频交换机，其特征在于，包括用于收发视音频信号和收发控制或状态信号的网络交换模块、用于提供本车载视频交换机电源的电源模块和用于将模拟视音频信号转换为数字视音频信号的视音频编码模块；其中，所述网络交换模块与外部控制装置连接，视音频编码模块与网络交换模块连接，电源模块分别连接网络交换模块和视音频编码模块。
【技术特征摘要】
【专利技术属性】
技术研发人员：范庆超，卢柱松，
申请(专利权)人：广州国联通信有限公司，
类型：实用新型
国别省市：81
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