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gao di dian ya zi shi ying de qiu xing she xiang ji gong gei dian yuan
Pages: 156-158
Year: Issue:  7
Journal: China Public Security

Abstract: 引言本电源方案适用安防系统的摄像机,特别涉及一种球形摄像机供给电源。目前安防领域中,球形摄像机电源供电有这么几种:一种是交流220V供电的高电压球形摄像机电源,另一种是低电压(AC24V或DC12V)供电的低电压球形摄像机电源;在使用高电压球形摄像机电源时,通常采用交流220V直接供电的方式,其应用缺点是布线复杂,需做到高低电压分离,施工的成本和难度较高。使用低电压球形摄像机电源供电时通常有两种方...
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