CN2174828Y

CN2174828Y - Domestic lighting control switch

Info

Publication number: CN2174828Y
Application number: CN 93235278
Authority: CN
Inventors: 袁永堂
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-19
Filing date: 1993-12-19
Publication date: 1994-08-17
Anticipated expiration: 2003-12-19

Abstract

The utility model discloses a domestic lighting control switch which is composed of a transmitter for transmitting infrared rays, and a receiver to receive the infrared rays. The infrared rays are transmitted by the transmitter, received by a receiving circuit in the receiver, amplified through frequency selection by a pre-amplification circuit, amplified again by an amplifying circuit, and rectified by an ac rectification circuit. A trigger circuit is controlled to generate a trigger pulse which is then added to the input terminal of a counting integrated circuit to change the output potential of the counting integrated circuit. A relay control circuit controls the switching state of a relay contact to achieve the remote control of an electric lamp. Two butt-joint contacts of the relay, together with two butt-joint contacts of an improved pull switch, form a two wire switch, and the utility model has the purposes of manual control and remote control thereby.

Description

Domestic lighting control switch

The utility model relates to a kind of home lighting control switch.

The existing home lighting control switch in market divides manually and automatic two kinds now.Manual do not possess auto-switch function, and its limitation is arranged naturally.There are audio-switch, ultra-sonic remote control switch, radio frequency or ultrashort wave remote control switch etc. several in the automatic control switch.Though these several switches all have distant control function, all do not have manual function, and audio-switch is hard to tell various sound kinds, as long as there is acoustical vibration just to occur misoperation easily; The ultra-sonic remote control switch is subjected to environmental interference easily; Radio frequency or ultrashort wave remote control switch remote range are too big, non-directional, influence the operate as normal of oneself or other household electrical appliance of neighbours during use.

Task of the present utility model provide a kind of manually and remote control combine, and accurate when carrying out remote control, be not subjected to external interference, the suitable infrared ray of remote range is controlled switch.

Technical solution of the present utility model is: control the pass of electric light or open with reflector emission infrared ray and receiver receiving infrared-ray, and be provided with the pulling switch of a repacking in the receiver, thereby reach the purpose of manual automatic switch electric light;

Above-mentioned reflector is made of shell and circuit board, and this radiating circuit produces self-oscillation by the astatic multivibrator that a time-base integrated circuit constitutes, and drives infrared light emitting diode emission infrared ray.Described self-oscillatory frequency is adjusted circuit controls by a frequency, and its tranmitting frequency can be controlled between the 38-42Hz, and transmitting range can reach 5-7 rice;

Above-mentioned receiver is by shell, a circuit board and a pulling switch constitute, this receiving circuit receives the infrared signal of being launched by reflector by the diode on the preposition amplification circuit input, after carrying out the frequency-selecting amplification, amplify once more through output input transistor amplifier, again after the rectification of diode ac rectifier, control triode circuits for triggering, form trigger impulse, this trigger impulse acts on the input of counting circuit, thereby make its upset, its output is become high level or is become low level by high level by low level, passes through the excitation or the loss of excitation of control relay circuit control relay again; Two docking points of relay are formed a ganged switch with two docking points through the pulling switch after the improvement, thereby are reached the purpose of manual automatic switch electric light.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is the main TV structure figure of the utility model reflector.

Fig. 2 is the plan structure figure of the utility model reflector.

Fig. 3 is the main TV structure figure of the utility model receiver.

Fig. 4 is the plan structure figure of the utility model receiver.

Fig. 5 is the radiating circuit figure of the utility model reflector.

Fig. 6 is the receiving circuit figure of the utility model receiver.

Fig. 7 is an electrical principle block diagram of the present utility model.

As shown in Figure 1 and Figure 2, this reflector is made up of shell 1, circuit board 2, battery E and button AN3, presses button AN3, launches infrared ray through launch window 4.The embodiment of radiating circuit shown in Figure 5, it comprises the astatic multivibrator that is made of a time-base integrated circuit IC1, the integrated circuit chip of employing is NE555; Resistance R 1, R2, capacitor C 1, variable resistor W1 are in series, and are connected between the positive-negative power, constitute frequency and adjust the loop, and wherein the change of each component values all will influence frequency and change; 7 pin of time-base circuit IC1 are connected on the contact between resistance R 1 and the R2,2 pin and 6 pin are connected on the contact of resistance R 2 and capacitor C 1, and 4 pin and 8 pin connect positive supply, and 1 pin connects negative supply, 3 pin are output, and current-limiting resistance R3 and infrared light emitting diode D1 have connected on this output.

This radiating circuit also comprises the loop that power supply E1 and capacitor C 2 are in parallel, and capacitor C 2 mainly strobes.

During this circuit working, press the button switch AN, this moment power connection, time-base circuit IC1 produces self-oscillation, its frequency of oscillation is adjusted circuit controls by frequency, when resistance R 1, R2, one timing of capacitor C 1 numerical value, regulates variable resistor W1, its tranmitting frequency is controlled between the 38-42KH, and time-base circuit IC1 output 3 pin are by infrared light emitting diode D1 emission infrared ray.

As shown in Figure 3, Figure 4, this receiver is made up of shell 4, circuit board 5, pulling switch 6, and the infrared ray that reflector sends receives through receive window 7.The scheme of receiving circuit as shown in Figure 6, it comprises a preposition amplification circuit IC2, IC2 is the special-purpose remote-control receiving circuit of an infrared ray, the integrated circuit chip that adopts is CX20106A, 1 pin of this integrated circuit is a signal input part, be connected with an infrared receiver diode D2 above it, the plus earth of this diode; 2 pin are by the resistance R 5 and capacitor C 3 ground connection of series connection; 3 pin pass through capacitor C 5 ground connection by

capacitor C

4,6 pin; The direct ground connection of 4 pin; 5 pin connect power supply by the resistance R 4 and the variable resistor W2 of series connection, and its effect is to adjust receive frequency; 8 pin connect power supply; 7 pin are outputs, connect power supply (on circuit board, said integrated circuit sheet CX20106A and peripheral cell thereof need shield in metal cap) by resistance R 6.

Also be connected with the one-level amplifying circuit on 7 pin of said integrated circuit IC2, it is made up of resistance R 6, R7, triode BG1, the contact of resistance R 6 and 7 pin links to each other with the base stage of triode BG1, and resistance R 7 is connected across between the collector electrode of power supply and triode BG1, the grounded emitter of triode BG1.

This receiving circuit also is provided with ac rectifier especially, it is made up of diode D3, D4, capacitor C 9, the negative pole of diode D3 links to each other with the positive pole of D4, its contact a joins by the collector electrode of capacitor C 6 with triode BG1, the plus earth of diode D3, the negative pole of diode D4 links to each other with capacitor C 9, the other end ground connection of capacitor C 9.The setting of this ac rectifier is to change AC controling signal into DC control, thereby has improved the reliability of remote control.

This receiving circuit also comprises circuits for triggering of being made up of triode BG2, resistance R 9, and the collector electrode of triode BG2 connects power supply by resistance R 9, and its base stage links to each other its grounded emitter with diode D4 with the contact of electric capacity G9.

This receiving circuit also comprises a counting circuit IC3, and the integrated circuit chip of employing is CD4017B.Resistance R 10 and capacitor C 10 series connection insert the automatic reset circuit that forms counting circuit IC3 between power supply and the ground, and 15 pin of this integrated circuit (IC) 3,4 pin connect the contact that clear terminal is resistance R 10 and capacitor C 10; 13 pin are signal input part, connect the collector electrode of triode BG2, and 14 pin and 16 pin connect power supply, 8 pin ground connection, and 2 pin are output.

Output 2 pin of above-mentioned counting circuit IC3 are connected to a control relay circuit, and it is made up of R11, triode BG3 and relay J.R11 is the biasing resistor of triode BG3, an end of the collector connecting relay coil of triode BG3, another termination power of coil, the direct ground connection of the emitter of triode BG3.

This receiving circuit also comprises the electric light governor circuit, and it is made up of with the pulling switch with two docking points two docking points of relay.J3 ' phase-connecting wire, J1 ' links to each other with K1, and J2 ' links to each other with K2, and K3 connects an end of electric light, the other end ground connection of electric light.Above-mentioned pulling switch is to set up an elastic contact on the basis of common pulling switch, total K1-3, K2-3 two docking points, corresponding relay J 1 '-3 ', J2 '-3 ' two docking point, this four docking point is formed ganged switch.If directly replace the former pulling switch that has installed with the utility model, only need J3 ' and 4 disconnections of line end mutually, directly link to each other with J3 ', K3 two-end-point respectively with two lead-out wires on the former pulling switch, connect the AC power incoming line of a power line again as this receiving circuit.

In addition, this receiving circuit also comprises a working power loop, and it is made up of capacitor C 13, resistance R 12, diode D5, capacitor C 11, C12, voltage stabilizing didoe DW1.Wherein capacitor C 13 is in parallel with resistance R 12,4 phase-connecting wires, 5 connecting to neutral lines (being ground connection in this circuit), AC power Usr carries out step-down, rectification, filtering and voltage stabilizing through capacitor C 13, rectifier diode D5 and capacitor C 11, C12 and voltage-stabiliser tube DW1 provides working power to whole receiving circuit.Diode D6, resistance R 13 are diode AC power indicating circuit, use as the target of receiver at night simultaneously.

The work of this receiving circuit is such: as shown in Figure 6, after the energising, output 7 pin of preposition amplification circuit IC2 are 0.6V, at this moment triode BG1 conducting, BG2 ends, and 13 pin of counting circuit IC3 are high level, under the effect of clear circuit, 2 pin output low levels.At this moment, triode BG3 ends, and relay J is failure to actuate, and J1 '-3 ' is obstructed for its normal opened contact, and electric light D does not work.

With reference to Fig. 5 and Fig. 6, when pressing the button AN, infrared light emitting diode D1 launches infrared ray, infrared receiver diode D2 receives infrared signal, that is to say, 1 pin of preposition amplification circuit IC2 has been imported a small-signal, and at this moment output 7 pin have pulse signal output, and this signal is after triode BG2 amplifies, be coupled to a point by capacitor C 6, through D3, the direct current biasing of BG12 is provided by capacitor C 9 after the D4 rectification, makes triode BG2 conducting, input 13 pin of counting circuit IC3 become low level by high level like this, negative pulse of i.e. 13 pin input, then 2 pin become high level, triode BG3 conducting, relay J action, its normal opened contact J1 '-3 ' closure, electric light D is bright, and when not receiving control signal again, receiving circuit shown in Figure 6 makes electric light D be in bright state always; When pressing the button AN once more, infrared receiver diode D2 receives a small-signal again, input 1 pin of preposition amplification circuit IC2 is imported a small-signal again, at this moment output 7 pin have pulse signal output again, this pulse signal is after triode BG1 amplifies, be coupled to a point by capacitor C 6, through D3, the direct current biasing of BG2 is provided by capacitor C 9 after the D4 rectification, make the BG2 conducting, input 13 pin of counting circuit IC3 are imported a negative pulse again, and its output 2 pin become low level by height is flat, and 4 pin become high level by low level, thereby act on clear circuit, counting circuit IC3 counts again as counter.At this moment, because 2 pin output low levels, so the relay J loss of excitation, contact J1 '-3 ' disconnects, and electric light D goes out.In like manner, when receiving circuit does not receive control signal once more, can keep the state of turning off the light.

Fig. 7 has expressed whole radiating circuit, the course of work of receiving circuit.

With reference to Fig. 6, when using pulling switch, because this moment, relay J was failure to actuate, so the contact of J2 '-3 ' is closed, the contact of pulling switch K is led to by the logical K2-3 that changes into of K1-3, and electric light D is bright; When drawing pulling switch once more, logical to become K1-3 logical by K2-3 for pulling switch K, thus electric light D go out, so pulling switch not remote controlled influence and can use as usual.

The utility model has the advantages that: (1) ac rectifier is transformed into direct current signal with alternating signal, has improved the remote control switch reliability; (2) owing to be provided with ganged switch, can select as required manually or the mode of remote control switch electric light, easy to use; (3) circuit design is simple, has reduced cost.

Claims

1, a kind of home lighting control switch, it comprises:

The ultrared reflector of emission, it is made up of shell [1] and the circuit board [2] that is contained in shell [1] lining; In the radiating circuit of this reflector, variable resistor W1, resistance R 1, R2 and capacitor C 1 are connected between the positive-negative power, form a frequency and adjust the loop; Time-base integrated circuit IC1 road is as an astatic multivibrator, is connected on positive-negative power and said frequencies and adjusts in the loop, its output connected infrared light emitting diode D1 and resistance R 3; When basis set becomes IC circuit 1 to produce self-oscillation at that time, drive infrared light emitting diode D1 emission infrared ray; Its self-oscillation frequency is adjusted circuit controls between 38-42KHz by frequency; With

A receiver, it is made up of shell [4], circuit board [5] and pulling switch [6]; Include in the receiving circuit of this receiver:

A preposition amplification circuit IC2, its input is connected with an infrared receiver diode D2, its control end is in series with resistance R 4 and variable resistor W2, can adjust receive frequency by regulating variable resistor W2, when described diode D2 receives the infrared pulse signal, carry out preposition amplification through described integrated circuit (IC) 2, its output has pulse signal output;

The one-level amplifying circuit, it is made up of resistance R 6, R7 and triode BG1, the base stage of triode BG1 links to each other with resistance R 6 with the output of above-mentioned preposition amplification circuit IC2, another termination power of resistance R 6, resistance R 7 is connected across between the collector electrode of power supply and triode BG1, the grounded emitter of triode BG1, this circuit is that pulse signal is amplified once more;

Circuits for triggering are made up of triode BG2, resistance R 9, and the collector electrode of triode BG2 connects power supply by resistance R 9, its grounded emitter, and this circuit is used to form trigger impulse;

A counting circuit IC3, the collector electrode of triode BG2 in its input and the above-mentioned circuits for triggering links to each other, its second output links to each other with clear circuit, and when its input added a trigger impulse, its output was become high level or changed into low level by high level by low flatting turn;

A control relay circuit, it is made up of resistance R 11, triode BG3 and relay J; Resistance R 11 1 ends link to each other with the output of said integrated circuit IC3, and the other end links to each other with the base stage of triode BG3, an end of the collector connecting relay J coil of triode BG3, another termination power of coil, grounded emitter, this circuit are used for the excitation and the loss of excitation of control relay

A working power loop, it forms AC power U by capacitor C 13, resistance R 12, diode D5, capacitor C 11, C12, voltage stabilizing didoe DW1 _SrProvide working power by step-down, rectification, filtering and voltage stabilizing to whole receiving circuit;

Of the present utility model being characterised in that: also include in the described receiving circuit:

Between a utmost point amplifying circuit and circuits for triggering, be provided with an ac rectifier, it is made up of diode D3, D4, capacitor C 9, the negative pole of diode D3 links to each other with the positive pole of D4, its contact a closes by the triode BG1 lotus root in a capacitor C 6 and the utmost point amplifying circuit, the plus earth of diode D3, the negative pole of diode D4 links to each other with capacitor C 9, the other end ground connection of capacitor C 9, the base stage of triode BG2 in the contact of diode D4 and capacitor C 9 and the circuits for triggering links to each other, and this circuit changes AC controling signal into DC control;

An electric light governor circuit, it forms a duplex switch by two docking points of relay and through two docking points of the pulling switch after improving.

2, home lighting control switch according to claim 1, it is characterized in that: the integrated circuit chip that the preposition amplification circuit IC2 in the described receiving circuit adopts is CX20106A, its input 1 pin is by infrared receiver diode D2 ground connection, and 2 pin are by resistance R 5 and capacitor C 3 ground connection; 3 pin, 6 pin are respectively by capacitor C 4, C5 ground connection, the direct ground connection of 4 pin; 5 pin connect power supply by resistance R 4 and variable resistor W2, and 8 pin directly connect power supply, and output 7 pin connect power supply by resistance R 6, and simultaneously with the one-level amplifying circuit in the base stage of triode BG1 join.

3, home lighting control switch according to claim 1 and 2, it is characterized in that: the integrated circuit chip that the counting circuit IC3 in the described receiving circuit adopts is CD4017B, resistance R 10 and capacitor C 10 are connected on the automatic reset circuit that forms this integrated circuit (IC) 3 between power supply and the ground, input 13 pin of this integrated circuit (IC) 3 and the collector electrode of the triode BG2 in the described circuits for triggering join, 4 pin, 15 pin link to each other with capacitor C 10 contacts with resistance R 10,14 pin, 16 pin connect power supply, 8 pin ground connection, output 2 pin link to each other with resistance R 11 in the described control relay circuit.