Intelligent household door

A smart home and door technology, applied in the direction of instruments, electrical components, electroluminescent light sources, etc., can solve the problems of complex light control circuits, easy wear and tear of switches, energy saving and low intelligence, and achieve energy saving and intelligence The effect of high degree of simplification and simple circuit

Inactive Publication Date: 2016-11-16
无锡市华东电力设备有限公司
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AI-Extracted Technical Summary

Problems solved by technology

[0004] In order to overcome the problems and defects of the existing home door and door lighting control circuit, the switch is easy to wear, the energy saving and the intellig...
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Abstract

The invention provides a 51 single chip microcomputer-based intelligent household door. A photoresistor is arranged at the upper part of a door frame for detecting the intensity of light to judge day or night; a reed switch is arranged on the side surface of the door frame; and a permanent magnet is arranged on the side surface of the door opposite to the reed switch for detecting whether the door is opened or not. A non-contact switch does not cause abrasion when the door is opened and closed; a high-brightness LED lamp is arranged at the upper part of the door frame; a single chip microcomputer controls the high-brightness LED lamp to turn on when the door is opened at night, and the high-brightness LED lamp automatically goes out after 30s; and a buzzer is arranged on the door frame and sends out an alarm for warning while an owner forgets to close the door at night, so that the energy-saving and intelligent targets are achieved.

Application Domain

Electrical apparatusElectroluminescent light sources +1

Technology Topic

Reed switchPhotoresistor +7

Image

  • Intelligent household door

Examples

  • Experimental program(1)

Example Embodiment

[0011] Such as figure 1 Shown, a smart home door based on 51 single chip microcomputer, including core control part, door opening detection part
[0012] Points, dark detection part, lighting part and alarm part.
[0013] The core control part includes: 51 single chip microcomputer [1] and its surrounding hardware circuit [8]. The two input ports of 51 single-chip microcomputer [1] receive the signals sent by the door opening detection part and the dark detection part, and judge whether the door is opened when it is dark, and if so, 51 single-chip microcomputer [1] controls the lighting through one of the output ports Part of the high-brightness LED light [7] lights up. The door opening detection part includes: a reed switch [4] fixed on the door frame [6], a permanent magnet [3] fixed on the door body [5] directly opposite to it, and surrounding hardware circuits [8]. When the door [5] is opened, the permanent magnet [3] is removed, and the reed switch [4] is disconnected from the magnetic field, it will be turned on, and the signal will be sent to an input port of the 51 single-chip microcomputer [1].
[0014] The dark detection part includes: photoresistor [2] and surrounding hardware circuits [8]. The light intensity is different during the day and night, the resistance value of the photoresistor [2] will also change to bright resistance (day, smaller) and dark resistance (night, larger), so that the transistor in the hardware circuit [8] is turned on or Turn off and send the signal to another input port of 51 single-chip microcomputer [1]. The lighting part includes: high-brightness LED lights [7] and hardware circuits [8] fixed on the door frame [6]. When 51 single-chip microcomputer [1] detects that the door is opened in dark, it controls the high-brightness LED light [7] to light up through an output port. 51 single-chip microcomputer [1] controls the high-brightness LED light [7] to automatically turn off after 30 seconds.
[0015] The alarm part includes: a buzzer [9] and a hardware circuit [8] fixed on the door frame [6]. When the high-brightness LED light [7] goes out, the 51 single-chip microcomputer [1] detects the input signal of the reed switch [4] to determine whether the door has been closed. If it is not closed, the buzzer [9] will alarm.

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