Intelligent control system based on pre-amplification type selection circuit and used for roller shutter door
An intelligent control system, a technology for selecting circuits, applied in the direction of windows/doors, door/window protection devices, building components, etc., can solve the problems of forgetting to close the door, dust or smoke entering, etc., to achieve accurate and automatic control of opening and closing doors, simple structure, low cost effect
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[0026] Such as figure 1 As shown, the intelligent control system of the present invention mainly consists of a central processing unit, an A / D converter connected with the central processing unit and a selection circuit, and a preamplifier circuit connected with the A / D converter, all connected with the preceding The photoelectric sensor and the infrared sensor connected to the amplifier circuit are composed of a door opening control circuit and a door closing control circuit connected with the selection circuit, a door opening motor connected with the door opening control circuit, and a door closing motor connected with the door closing control circuit. The infrared sensor is used to collect the human body signal outside the rolling shutter door. When someone wants to enter the rolling shutter door, the infrared sensor sends the collected human body signal to the A / D converter, and the A / D converter converts the signal collected by the infrared sensor and sends it To the cent...
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