发明名称 COOLING FAN SYSTEM AND COMMUNICATION EQUIPMENT
摘要 A cooling fan system includes at least one fan unit including a cooling fan and a controller for controlling the cooling fan, a management unit including a fan control section that controls the controller of the fan unit, and a circuit directly connecting the management unit to the cooling fan so as to allow the cooling fan to be controlled directly by the fan control section. The fan control section includes a malfunction detecting section to detect malfunction of the fan unit and a forced control section that directly controls the cooling fan and carries out a forced control to forcibly rotate the cooling fan at a higher rotational speed than that during normal operation when the malfunction detecting section detects the malfunction of the fan unit.
申请公布号 US2015062815(A1) 申请公布日期 2015.03.05
申请号 US201414315493 申请日期 2014.06.26
申请人 HITACHI METALS, LTD. 发明人 NOMURA Takuya
分类号 H05K7/20 主分类号 H05K7/20
代理机构 代理人
主权项 1. A cooling fan system, comprising: at least one fan unit comprising a cooling fan and a controller for controlling the cooling fan; a management unit comprising a fan control section that controls the controller of the fan unit; and a circuit directly connecting the management unit to the cooling fan so as to allow the cooling fan to be controlled directly by the fan control section, wherein the fan control section comprises a malfunction detecting section to detect malfunction of the fan unit and a forced control section that directly controls the cooling fan and carries out a forced control to forcibly rotate the cooling fan at a higher rotational speed than that during normal operation when the malfunction detecting section detects the malfunction of the fan unit.
地址 Tokyo JP