CN2198735Y

CN2198735Y - Human body induction delay lighting switch

Info

Publication number: CN2198735Y
Application number: CN 94200137
Authority: CN
Inventors: 戈鹤山
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-11
Filing date: 1994-01-11
Publication date: 1995-05-24
Anticipated expiration: 2004-01-11

Abstract

The utility model discloses a human body induction delay lighting switch, which belongs to a circuit device for controlling incandescent lamps. The utility model is composed of an upright antenna, a high-frequency oscillator, an amplifying comparison circuit, a light control circuit, a delay circuit, and a lighting circuit. The utility model is characterized in that a shaping circuit is additionally arranged behind the amplifying comparison circuit; the lighting circuit adopts controlled silicon triggering half wave to light the incandescent lamp, so the service life of the bulb of the incandescent lamp is prolonged, and spark interference can not be produced; the shaping circuit is composed of BG2, D1, R11, and C4, and the lighting circuit is composed of BG3, SCR, R14, R15, and D2. When the utility model is used, the incandescent lamp and the lighting switch are connected in series with the electric end of AC power supply.

Description

Human body induction delay lighting switch

The utility model belongs to the circuit arrangement of controlling incandescent source, particularly human body sensing time-delay lighting switch.

Human body sensing time-delay lighting switch is mainly used in the control that corridor lighting is lighted or extinguished.The curtain of night arrives, and when the people walked close to switch, illuminating lamp was lighted automatically and postponed a period of time and extinguishes automatically, realizes " people Lai Dengliang turns off the light when you leave ", has saved a large amount of electric energy.For example: CN2097478U human body sensing time-delay lighting switch comprises upright antenna, high-frequency generator, level comparator, monostable trigger-action circuit, driver and rectifier power source.Adopt auxiliary relay to connect illuminating lamp.This human body sensing automatic switch weak point is:

(1) the national Specification family expenses are that source switch is a two-wire system, and this automatic switching circuit connected mode is four lines, does not meet the electrical equipment installation code.

(2) this circuit adopts the 220V civil power through the resistance-capacitance depressurization commutation supply voltage, causes control circuit to damage in case decompression capacitor is breakdown.

(3) control of relay road is adopted in power output, and relay opens circuit and produces spark and circuit can take place restart, and lights illuminating lamp.It is unreliable to work.

The purpose of this utility model is to improve existing human induction switch, and the noncontacting switch of incandescent lamp is lighted in design by controllable silicon.

(1) adopts two wiretaps.

(2) switching circuit is serially connected between power supply and the incandescent lamp, and power supply is stable, and control circuit is not fragile.

(3) the controllable silicon half-wave is lighted incandescent lamp, and the time-delay bulb service life can not produce spark again and disturb.

Referring to Fig. 2, the utility model is made up of upright antenna (1), high-frequency generator (2), amplification comparison circuit (3), shaping circuit (5), delay circuit (6), lamp circuit (7).Relatively delay circuit is identical with existing human induction switch for wherein upright antenna, high-frequency generator, amplification shaping, and difference is light-operated circuit, lamp circuit.

Below in conjunction with embodiment and accompanying drawing the utility model is further described:

Fig. 1 the utility model electrical schematic diagram.

Fig. 2 the utility model block diagram.

Fig. 3 the utility model structural representation.

Fig. 4 the utility model outside drawing.

Referring to Fig. 1, the utility model operation principle is as follows: triode BG1, antenna T, resistance R 1～R3, capacitor C 1, C8 and choking coil L constitute high-frequency generator, and antenna and distributed constant are invariable under stable state, produce self-sustained oscillation, capacitor C 2 no-outputs.When antenna was mobile on every side, parameter of oscillation changed as the people, and high-frequency generator produces transient process and causes capacitor C 2 discharges, and discharging current amplifies the promotion comparator through IC1.Amplifying circuit is made up of IC1, R4, R5, R6, C3.Comparison circuit is made up of IC2, R7, R8, R9.Triode BG2, diode D1, resistance R 10, R11 and capacitor C 4 are shaping circuit, guarantee the rectangular pulse of BG2 output certain width.Light-operated circuit is made up of resistance R 12, photo resistance Rd and not gate YF1.When irradiate light was last to Rd, Rd exported electronegative potential, and the YF1 door is closed, and during ambient black, Rd exports high potential, and the YF1 door is opened.Delay circuit is by capacitor C 6, resistance R 13, and NAND gate YF2, YF3, triode BG3 form.Lamp circuit is made up of triode BG3, controllable silicon SCR, resistance R 14, R15 and diode D2.When GB3 output high level, the controllable silicon SCR conducting; During the GB3 output low level, controllable silicon SCR is ended.Power supply circuits are made up of diode D3 and resistance R 16.C7, R17 are dropping resistor, electric capacity.

The annexation of the utility model circuit elements device is as follows: the base stage of triode BG1 meets biasing resistor R1, R2, feedback capacity C1 and antenna T, the emitter of BG1 is through resistance R 3 ground connection, the collector electrode of BG1 meets choking coil L, feedback capacity C1 and coupling capacitance C2, and another termination capacitor C 8 of choking coil L, resistance C1 also connect power supply A end through resistance R 19; The collector electrode of high-frequency generator output BG1 is delivered to the 6th pin of the input IC1 that amplifies shaping comparison circuit F1 through coupling capacitance C2, divider resistance R5, R6 connect 5 pin of IC1, another termination power A end of R5, the other end ground connection of R6, between 6,7 pin of IC1 and meet R4 and C3,7 pin of the output IC1 of F1 are connected to 9 pin of the input IC1 of F2 through resistance R 9, divider resistance R7, R8 connect 10 pin of IC1, another termination power A end of R7, the other end ground connection of R8; 8 pin that amplify the output IC1 of comparison circuit F2 are connected to the base stage of BG2 through diode D1, the base stage of BG2 also connects R10, C4, another termination power A end of R10, the other end ground connection of C4, the grounded emitter of BG2, the collector electrode of BG2 connects power supply A end through resistance R 11; The collector electrode of BG2 connects 1 pin of YF1 input IC2 through capacitor C 5,1 pin series resistor R18 ground connection, R12, Rd connect 2 pin of IC2, another termination power A end of R12, the other end ground connection of Rd, 3 pin of IC2 are connected with 8 pin, and IC2 9 pin link to each other with 11 pin, 10 pin of IC2 link to each other with 12 pin, 13 pin of IC2 through C6, and 12 pin, 12 pin are through R13 ground connection; 11 pin of IC2 are connected with the BG3 base stage through R14, the BG3 grounded emitter, the other end that the BG3 collector electrode connects SCR control utmost point G and diode D2, D2 links to each other according to output switching terminal B with time-delay through R15, the B end also joins with controllable silicon SCR, R16, R17, another termination power of controllable silicon A end, R16 is through D3 ground connection, and R17 is connected with power supply A end through C7.

In sum, the utility model human body sensing time-delay lighting switch comprises upright antenna, high-frequency generator, amplification comparison circuit, light-operated.Increase by a shaping circuit after the delay circuit, shaping circuit is made up of triode BG2, diode D1, resistance R 10, R11 and capacitor C 4; Light-operated circuit is made up of resistance R 12, photo resistance Rd and NAND gate YF1; Lamp circuit is made up of triode BG3, controllable silicon SCR, resistance R 14, R15 and diode D2.Adopt the controllable silicon half-wave to light incandescent lamp, prolonged bulb service life, can not produce spark again and disturb.Bulb W is connected on switch series and exchanges 220 volts of A, E two ends during use, the 220 volts of A ends of lighting switch one termination alternating current of promptly delaying time, and time-delay lighting switch B end joins with bulb W, and 220 volts of E ends of the other end of bulb W and alternating current join.

Claims

1, a kind of human body sensing delay switch comprises upright antenna, high-frequency generator, amplification comparison circuit, light-operated circuit, delay circuit and lamp circuit are formed, it is characterized in that: increase by a shaping circuit after delay circuit, shaping circuit is made up of triode BG2, diode D1, resistance R 10, R11 and capacitor C 4; Light-operated circuit is made up of resistance R 12, photo resistance Rd and NAND gate YF1; Lamp circuit is made up of triode BG3, controllable silicon SCR, resistance R 14, R15 and diode D2; Its annexation is 8 pin of the output IC1 of amplification comparison circuit F2 are connected to BG2 through diode D1 a base stage, the base stage of BG2 also connects R10, C4, another termination power A end of R10, the other end ground connection of C4, the grounded emitter of BG2, the collector electrode of BG2 connects power supply A end through resistance R 11; The collector electrode of BG2 connects 1 pin of YF1 input IC2 through capacitor C 5,1 pin series resistor R18 ground connection, R12, Rd connect 2 pin of IC2, another termination power A end of R12, the other end ground connection of Rd, 3 pin of IC2 are connected with 8 pin, and the IC29 pin links to each other with 11 pin, 10 pin of IC2 link to each other with 12 pin, 13 pin of IC2 through C6, and 12 pin, 13 pin are through R13 ground connection; 11 pin of IC2 are connected with the BG3 base stage through R14, the BG3 grounded emitter, the BG3 collector electrode connects SCR control utmost point G and diode D2, the other end of D2 links to each other with lighting switch output B through the R15 time-delay, the B end also joins with controllable silicon SCR, R16, R17, another termination power of controllable silicon A end, R16 are through D3 ground connection, and R17 is connected with power supply A end through C7.

2, human body time-delay lighting switch according to claim 1, the 220 volts of A ends of lighting switch one termination alternating current that it is characterized in that delaying time, time-delay lighting switch other end B is connected with bulb W, and 220 volts of E ends of the other end of bulb W and alternating current join.