智能换气扇

Intelligent ventilator

  • Inventors: ZHOU YU
  • Assignees: 昱 周
  • Publication Date: March 31, 2010
  • Publication Number: CN-201433922-Y

Abstract

The utility model discloses an intelligent ventilator, which comprises a ventilator and a controller, the ventilator is provided with a fan motor, an air inlet and an air outlet, both the ventilator and the controller are mounted on a case, and moreover, the case is mounted on the keels of a ceiling; the controller consists of a control circuit, a power circuit, a sensor and a pulse width modulation circuit, the control circuit is respectively connected with the power circuit, the sensor and the pulse width modulation circuit, and is also connected with the fan motor of the ventilator, and thecontroller is used to control the on-off of the fan motor according to a procedure preset by the pulse width modulation circuit. The on-off of the ventilator can be automatically controlled, and moreover, the mounting height is reduced.
本实用新型公开了一种智能换气扇,包括换气扇和控制器,换气扇具有风扇电机、进风口和出风口,所述换气扇与控制器都安装在一箱体上面并且该箱体安装在天花板的龙骨上;所述控制器包括控制电路、电源电路、传感器以及脉宽调制电路,控制电路分别与电源电路、传感器以及脉宽调制电路连接,控制电路还与换气扇的风扇电机连接,该控制电路用于根据脉宽调制电路预先设定的程序来控制风扇电机的开启情况。本实用新型可自动控制换气扇开闭并且降低了安装高度。

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