CN203416451U

CN203416451U - Timing automatic-lighting switch

Info

Publication number: CN203416451U
Application number: CN201320203960.9U
Authority: CN
Inventors: 龙宁
Original assignee: Chengdu Zhongyuanxin Electronic Technology Co Ltd
Current assignee: Chengdu Zhongyuanxin Electronic Technology Co Ltd
Priority date: 2013-04-22
Filing date: 2013-04-22
Publication date: 2014-01-29
Anticipated expiration: 2023-04-22

Abstract

The utility model discloses a timing automatic-lighting switch, comprising a reed switch, a timing integral chip, a bidirectional diode, a switch, a voltage stabilizing tube, a bulb, first and second resistors, first to fourth capacitors, a photosensitive triode and a diode. The number of electronic components is small, a light automatically controlled by natural light is formed through a simple circuit, compared with the prior art, the circuit structure is simple, costs are low, the application scope is wide, and popularization is promoted.

Description

Timing automatic lighting switch

Technical field

The utility model relates to a kind of electronic switch, relates in particular to a kind of timing automatic lighting switch.

Background technology

Automatic control technology is widely used at industry-by-industry, keeps on improving, and any technology all exists improved space, and automatic light-operated lamp device of the prior art adopts element more, so cost is higher, meanwhile, has also increased volume and the weight of finished product.

Utility model content

The purpose of this utility model provides a kind of timing automatic lighting switch with regard to being in order to address the above problem.

The utility model is achieved through the following technical solutions above-mentioned purpose:

The utility model comprises bidirectional diode, switch, bulb, the first resistance, the second resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, voltage-stabiliser tube, tongue tube, timing integrated chip, phototriode and diode, the first end while of described bidirectional diode and the live wire of AC power, the first end of described switch, the positive pole of described voltage-stabiliser tube, the first end of described the 4th electric capacity, the emitter of described phototriode, the first end of described the 3rd electric capacity, the earth terminal of described timing integrated chip is connected with the first end of described the second electric capacity, the second end of described bidirectional diode is connected with the second end of described switch and the first end of described bulb simultaneously, the second end of described bulb is connected with the first end of described the first electric capacity with the zero line of described AC power simultaneously, the second end of described the first electric capacity is connected with the positive pole of described diode and the negative pole of described voltage-stabiliser tube simultaneously, the negative pole of described voltage-stabiliser tube is connected with the second end of described the 4th electric capacity with the first end of described tongue tube simultaneously, the second end while of described tongue tube and the first end of described potentiometer, the sliding end of potentiometer, the positive pole of described timing integrated chip is connected with the first end of described the first resistance, the second end of described potentiometer is connected with the reset terminal of described timing integrated chip and the collector electrode of described phototriode simultaneously, the second end while of described the first resistance and the thresholding of described timing integrated chip, the second end of the trigger end of described timing integrated chip and described the second electric capacity is connected, and the output of described timing integrated chip is connected with the first end of described the second resistance, and the second end of described the second resistance is connected with the control end of described bidirectional diode.

The beneficial effects of the utility model are:

The utility model adopts a few electronic component can form natural daylight automatic-control illumination lamp, relative to existing technologies, has circuit structure simple, adopts element few, with low cost, is conducive to promote.

Accompanying drawing explanation

Fig. 1 is circuit structure schematic diagram of the present utility model.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail:

As shown in Figure 1: the utility model comprises bidirectional diode SCR, K switch, bulb L, the first resistance R 1, the second resistance R 2, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, voltage-stabiliser tube DW, tongue tube Q, timing integrated chip IC, phototriode GVT and diode D, the first end while of bidirectional diode SCR and the live wire of AC power, the first end of K switch, the positive pole of voltage-stabiliser tube DW, the first end of the 4th capacitor C 4, the emitter of phototriode GVT, the first end of the 3rd capacitor C 3, regularly the earth terminal of integrated chip IC is connected with the first end of the second capacitor C 2, the second end of bidirectional diode SCR is connected with the first end of bulb L with the second end of K switch simultaneously, the second end of bulb L is connected with the first end of the first capacitor C 1 with the zero line of AC power simultaneously, the second end of the first capacitor C 1 is connected with the negative pole of voltage-stabiliser tube DW with the positive pole of diode D simultaneously, the negative pole of voltage-stabiliser tube DW is connected with the second end of the 4th capacitor C 4 with the first end of tongue tube Q simultaneously, the second end while of tongue tube Q and the first end of potentiometer RP, the sliding end of potentiometer RP, regularly the positive pole of integrated chip IC is connected with the first end of the first resistance R 1, the second end of potentiometer RP is connected with the collector electrode of phototriode GVT with the reset terminal of timing integrated chip IC simultaneously, the second end while of the first resistance R 1 and the thresholding of timing integrated chip IC, regularly the trigger end of integrated chip IC is connected with the second end of the second capacitor C 2, and regularly the output of integrated chip IC is connected with the first end of the second resistance R 2, and the second end of the second resistance R 2 is connected with the control end of bidirectional diode SCR.

As shown in Figure 1: timing integrated chip IC, the first resistance R 1, the first capacitor C 1, phototriode GVT and the second resistance R 2 form controlled Time delay circuit, in the daytime, phototriode GVT is subject to illumination to be low-resistance, the reset terminal level forced resetting of timing integrated chip IC, its output is low level, bidirectional diode SCR low level, electric light does not work, night, phototriode GVT is unglazed, and photograph is high-impedance state, the reset terminal high level of timing integrated chip IC, regularly integrated chip IC is in state to be triggered, when opening the door, the magnet of two heteropole arrangements is opened, tongue tube Q is connected, regularly integrated chip IC obtains operating voltage, rigidly connect while leading to, voltage in the first capacitor C 1 is very low, regularly the trigger end of integrated chip IC is in low level, timing integrated chip IC output high level, the bidirectional diode SCR connection that is triggered, electric light is lighted, after this, the first capacitor C 1 progressively charges at 2/3rds o'clock, pass through delay time, the trigger end high level of timing integrated chip IC, regularly integrated chip IC resets, its output low level, bidirectional diode SCR by, lights, as needs continue illumination, K closes a switch.

Claims

1. a timing automatic lighting switch, is characterized in that: comprise bidirectional diode, switch, bulb, the first resistance, the second resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, voltage-stabiliser tube, tongue tube, timing integrated chip, phototriode and diode, the first end while of described bidirectional diode and the live wire of AC power, the first end of described switch, the positive pole of described voltage-stabiliser tube, the first end of described the 4th electric capacity, the emitter of described phototriode, the first end of described the 3rd electric capacity, the earth terminal of described timing integrated chip is connected with the first end of described the second electric capacity, the second end of described bidirectional diode is connected with the second end of described switch and the first end of described bulb simultaneously, the second end of described bulb is connected with the first end of described the first electric capacity with the zero line of described AC power simultaneously, the second end of described the first electric capacity is connected with the positive pole of described diode and the negative pole of described voltage-stabiliser tube simultaneously, the negative pole of described voltage-stabiliser tube is connected with the second end of described the 4th electric capacity with the first end of described tongue tube simultaneously, the second end while of described tongue tube and the first end of potentiometer, the sliding end of described potentiometer, the positive pole of described timing integrated chip is connected with the first end of described the first resistance, the second end of described potentiometer is connected with the reset terminal of described timing integrated chip and the collector electrode of described phototriode simultaneously, the second end while of described the first resistance and the thresholding of described timing integrated chip, the second end of the trigger end of described timing integrated chip and described the second electric capacity is connected, and the output of described timing integrated chip is connected with the first end of described the second resistance, and the second end of described the second resistance is connected with the control end of described bidirectional diode.