CN201156833Y - Infrared light control apparatus - Google Patents

Abstract

The utility model provides an infrared light controller which comprises a shell and a circuit board; wherein, the circuit board is arranged in the shell; the outer surface of the shell is arc-shaped; a light hole and an infrared sensing hole are arranged on the shell; three terminals (a, b, c) are arranged on the lateral surface of the shell; the circuit board is provided with a pyroelectric infrared detection module, a time base circuit module, a photoresistance (RG), a triode, a controlled silicon (V2), resistors (R1 to R4), capacitors (C1 to C4), a first diode, a second diode and a voltage regulator tube. The anode of the controlled silicon (V2) is connected with the capacitor (C1) and the terminal (a), and the other end of the capacitor (C1) is connected with the anode of the first diode and the cathode of the second diode. The infrared light controller has the advantages of simple structure, stable operation performance and strong practicability; and the infrared light controller can automatically switch on a power supply to light an illuminating apparatus without emitting sound only when someone appears in the infrared sensing range in darkness, thus saving electricity and producing no noise.

Description

The infrared light control device

Technical field

The utility model relates to automatic control equipment, specifically a kind of infrared light control device.

Background technology

The indoor employing hand switch of existing lighting switch, corridor adopt audio-switch; The advantage of audio-switch be as the people occur sounding just can open automatically make illuminating device luminous, but the shortcoming that exists is, when nobody uses,, cause waste of power resources no matter it is luminous to be that the sound that sends in the corridor or the outdoor sound that sends can both be opened automatically; Because audio-switch just can be realized must make volume reach certain intensity the time luminously, there is the defective that causes noise to neighbours in addition.And the hand switch of indoor employing need be opened when people enter night and look for lighting switch to open behind the door again, and is very inconvenient, and particularly the elderly is inconvenient more.

Summary of the invention

The purpose of this utility model provides a kind of infrared light control device, it can realize that the someone appears in the infrared induction scope, need not send the sound, just energized makes illuminating device luminous automatically, and can cut off switch automatically by day, the someone appears at lighting device is opened, and saves electric power resource, noiselessness produces, and has simple in structure, stable work in work, practical characteristics.

The purpose of this utility model is achieved through the following technical solutions: the infrared light control device, comprise shell and circuit board, circuit board is cased, the outer surface of shell is an arc, shell is provided with loophole and infrared induction hole, and being provided with three terminals a, b, c at the shell side face, described circuit board is provided with pyroelectricity formula infrared detection module, time-base circuit module, photo resistance RG, triode, controllable silicon V2, resistance R 1-R4, capacitor C 1-4, first diode, second diode and voltage-stabiliser tube.The positive pole of controllable silicon V2 joins with capacitor C 1 and terminals a, the positive pole of capacitor C 1 other end and first diode and the negative pole of second diode join, the negative pole of controllable silicon V2 and terminals c join, the control utmost point of controllable silicon V2 joins with resistance R 4 and capacitor C 4 respectively, the other end of resistance R 4 and time-base circuit module output join, the input of time-base circuit module joins with the collector electrode of triode and resistance R 2, the base stage of triode is joined by the signal output part of resistance R 1 with detecting module, the positive pole of detecting module respectively with resistance R 2, the time-base circuit module, resistance R 3, capacitor C 2, the negative pole of the positive pole of voltage-stabiliser tube and first diode joins, the negative pole end of detecting module respectively with the emitter of triode, the negative pole end of time-base circuit module and be connected capacitor C 3 on the time-base circuit module, resistance R G, capacitor C 4, capacitor C 2, the negative pole of voltage-stabiliser tube, the positive pole of second diode and terminals b join, the control end of the other end of resistance R G and time-base circuit module and resistance R 3 are joined, the phase line of described terminals a and 220V AC power is joined, terminals b is connected with its neutral line, and lighting device joins with terminals b and terminals c.

Advantage of the present utility model is: owing to adopt low resistance element, when have light daytime, make the module output low level, light-emitting device and power supply are disconnected, someone appears at lighting device is opened, and having only has the people to appear in the infrared induction scope when unglazed, need not send the sound, just energized makes illuminating device luminous automatically, save electric power resource, noiselessness produces, and has simple in structure, stable work in work, practical advantage.

Description of drawings

Fig. 1 is a structural representation of the present utility model; Fig. 2 is the structural representation of circuit board among Fig. 1.

Embodiment

Infrared light control device of the present utility model, comprise shell 1 and circuit board 2, circuit board 2 is contained in the shell 1, the outer surface of shell 1 is made into arc, on arc shell 1, be provided with loophole 3 and infrared induction hole 4, and be provided with three terminals a in shell 1 side, b, c, described circuit board 2 is provided with pyroelectricity formula infrared detection module IC1, time-base circuit module I C2, photo resistance RG, triode V1, controllable silicon V2, resistance R 1-R4, capacitor C 1-4, the first diode VD1, the second diode VD2 and voltage-stabiliser tube VD3, positive pole with controllable silicon V2 when circuit board 2 connects joins with capacitor C 1 and terminals a, the positive pole of capacitor C 1 other end and the first diode VD1 and the negative pole of the second diode VD2 join, the negative pole of controllable silicon V2 and terminals c join, the control utmost point of controllable silicon V2 joins with resistance R 4 and capacitor C 4 respectively, the other end of resistance R 4 and time-base circuit module I C2 output join, the input of time-base circuit module I C2 joins with the collector electrode of triode V1 and resistance R 2, the base stage of triode V1 is joined by the signal output part of resistance R 1 with detecting module IC1, the positive pole of detecting module IC1 respectively with resistance R 2, time-base circuit module I C2, resistance R 3, capacitor C 2, the negative pole of the positive pole of voltage-stabiliser tube VD3 and the first diode VD1 joins, the negative pole end of detecting module IC1 respectively with the emitter of triode V1, the negative pole end of time-base circuit module I C2 and be connected capacitor C 3 on the IC2, resistance R G, capacitor C 4, capacitor C 2, the negative pole of voltage-stabiliser tube VD3, the positive pole of the second diode VD2 and terminals b join, control end and the resistance R 3 of the other end of resistance R G and time-base circuit module I C2 are joined, the phase line of described terminals a and 220V AC power is joined, terminals b is connected with its neutral line, lighting device ZD and terminals b and terminals c join, circuit board 2 connections finish and are placed in the shell 1, make resistance R G and detecting module IC1 correspondence be installed in loophole 3 and 4 places, infrared induction hole.Because resistance R G is in the input of low resistive state no signal when being subjected to illumination for hanging down, detecting module IC1 output high level when the people has walked close to thermal source, triode V1 conducting makes time-base circuit module I C2 output high level with controllable silicon V2 conducting, and lighting device ZD is luminous.Disappear when the people leaves thermal source, the IC1 output low level makes triode V1 by, IC2 output low level, and lighting device ZD can not be luminous.Described shell 1 has improved the inductive effects of light source, thermal source for arc.Described detecting module IC1 and time-base circuit module I C2 are known technology, and the IC1 model is that BH9402, IC2 model are NE555; The utility model not detailed description is a known technology.

Claims (2)

1, the infrared light control device, comprise shell (1) and circuit board (2), it is characterized in that: circuit board (2) is contained in the shell (1), the outer surface of shell (1) is an arc, shell (1) is provided with loophole (3) and infrared induction hole (4), and be provided with three terminals a in shell (1) side, b, c, described circuit board (2) is provided with pyroelectricity formula infrared detection module (IC1), time-base circuit module (IC2), photo resistance RG, triode (V1), controllable silicon V2, resistance R 1-R4, capacitor C 1-4, first diode (VD1), second diode (VD2) and voltage-stabiliser tube (VD3).

2, according to the described infrared light control device of claim, it is characterized in that: the positive pole of controllable silicon V2 joins with capacitor C 1 and terminals a, the negative pole of the positive pole of capacitor C 1 other end and first diode (VD1) and second diode (VD2) joins, the negative pole of controllable silicon V2 and terminals c join, the control utmost point of controllable silicon V2 joins with resistance R 4 and capacitor C 4 respectively, the other end of resistance R 4 and time-base circuit module (IC2) output join, the collector electrode and the resistance R 2 of the input of time-base circuit module (IC2) and triode (V1) are joined, the base stage of triode (V1) is joined by the signal output part of resistance R 1 with detecting module (IC1), the positive pole of detecting module (IC1) respectively with resistance R 2, time-base circuit module (IC2), resistance R 3, capacitor C 2, the negative pole of the positive pole of voltage-stabiliser tube (VD3) and first diode (VD1) joins, the negative pole end of detecting module (IC1) respectively with the emitter of triode (V1), the negative pole end of time-base circuit module (IC2) and be connected capacitor C 3 on (IC2), resistance R G, capacitor C 4, capacitor C 2, the negative pole of voltage-stabiliser tube (VD3), the positive pole and the terminals b of second diode (VD2) join, the control end and the resistance R 3 of the other end of resistance R G and time-base circuit module (IC2) are joined, the phase line of described terminals a and 220V AC power is joined, terminals b is connected with its neutral line, and lighting device (ZD) joins with terminals b and terminals c.

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