The invention relates to a serial communication interface of optical isolators, the photoelectric isolator comprises a shell, a circuit board, wiring terminal, also includes a photoelectric isolation circuit, DC / DC power supply interface protection circuit, isolation circuit, protection circuit, power LED lights, the photoelectric isolation circuit, isolation circuit, DC / DC power supply interface the protection circuit, the protection circuit in the power supply, LED lights, terminal fixed on the circuit board, the circuit board is fixed in the shell. Compared with the prior art, the invention is particularly applied in environmental field railway, subway signal system, can effectively isolate the external or other equipment from lightning and static electricity industry with strong electromagnetic interference, special site requirements, especially with electrical isolation effect is good performance, good long-term stability, convenient installation and use features.
【技术实现步骤摘要】
【技术保护点】
一种串行通信接口光电隔离器,该光电隔离器包括外壳、电路板、接线柱,其特征在于,还包括光电隔离电路、DC/DC电源隔离电路、接口保护电路、电源保护电路、LED指示灯,所述的光电隔离电路、DC/DC电源隔离电路、接口保护电路、电源保护电路、LED指示灯、接线柱固定在电路板上,该电路板固定在外壳内。
【技术特征摘要】
【专利技术属性】
技术研发人员:何福忠,崔虎,张广宇,许诚,
申请(专利权)人:卡斯柯信号有限公司,
类型:发明
国别省市:31[中国|上海]
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