CN2896780Y

CN2896780Y - General controller for semiconductor LED colour landscape lamp

Info

Publication number: CN2896780Y
Application number: CNU2006200335504U
Authority: CN
Inventors: 刘世安
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-27
Filing date: 2006-03-27
Publication date: 2007-05-02
Anticipated expiration: 2016-03-27

Abstract

The utility model provides a general controller for semiconductor LED color landscape lamps, comprising a microcontroller, a function selector circuit, a sync control l circuit, a time adjustment circuit, a group-control delay circuit, a LPT expander circuit, a photoelectric coupling circuit, a semiconductor LED drive circuit, and R,G, B tricolor semiconductor LED array circuit, voltage reduction circuit, rectification circuit, filter circuit and voltage regulator circuit. Color LED landscape lamps controlled by this utility model presents various colors and the R, G, B tricolor semiconductor LED has a small size, long service life and is energy-saving, wherein the drive circuit is simple and reliable with a low cost and good universality. Memory of the SCM provides a plurality of optional function control programs for users, and the said control programs not only be used as a controller for the R,G, B tricolor semiconductor LED array, but can be used as a controller for monochrome LED array to complete accomplish collection of lighting time and group-control delay data, and no A/D conversion chip is needed.

Description

The colored Landscape Lamp general purpose controller of semiconductor LED

Technical field

The utility model relates to a kind of circuit, the particularly a kind of colored Landscape Lamp general purpose controller of semiconductor LED circuit that changes color.

Background technology

Problems such as the controlling object of the Landscape Lamp controller that use in present city is incandescent lamp and inflation light source, and these lamps exist power consumption greatly, and the life-span is short, and color is single, controller does not have the function that changes color yet, and versatility is also poor.

The utility model content

In order to overcome above-mentioned deficiency, the utility model provides a kind of semiconductor LED colored Landscape Lamp general purpose controller.It can not only be provided with controlled function, and economize on electricity, life-span are long, the color of color lamp ever-changing (theoretical value is the 256*256*256 kind).

The technical scheme that its technical problem that solves the utility model adopts is: the colored Landscape Lamp general purpose controller of a kind of semiconductor LED comprises microcontroller, function selector circuit, synchronization control circuit, lights time adjustment circuit, organizes control delay circuit, parallel port expanded circuit, photoelectricity coupling circuit, semiconductor LED drive circuit and R, G, B tricolor semiconductor led array, step-down, rectification, filtering, voltage stabilizing circuit.It is characterized in that

Described microcontroller is a single-chip microcomputer or with the microcontroller of design such as CPLD; The T0 of described function selector circuit usefulness single-chip microcomputer, T1 pin connect 1 end of K switch 3, K4 respectively as input, the 2 end ground connection of K switch 3, K4, the 3 ends difference bright time adjustment circuit of contact of K3, K4 and the square wave output of group control delay circuit.Described synchronization control circuit inputs or outputs with an I/O pin conduct of single-chip microcomputer, is connected with synchronous terminals S with the end of K2; The P0 mouth of single-chip microcomputer, corresponding one by one, the input with described parallel expansion interface chip is connected respectively, output, the P1 of single-chip microcomputer, the P2 mouth of parallel expansion interface chip, corresponding one by one, the control input end with described photoelectricity coupling circuit is connected respectively; The output of photoelectricity coupling circuit, corresponding one by one, the control input end with described semiconductor LED drive circuit is connected respectively; The dc output end of rectification circuit is parallel with the semiconductor LED drive circuit that filter capacitor and a plurality of its output are in series with described R, G, B tricolor semiconductor LED string.

The switch of described function selector circuit comprises regular tap and jumper.

Described time adjustment circuit and the group control delay circuit lighted is by 556 or two 555 integrated circuits constitute, frequency can pass through W1, W2 adjustment square wave signal generator.

The positive pole of the dc output end of the positive pole of the semiconductor LED string of described semiconductor LED drive circuit and a termination rectification circuit of resistance 3, the base stage of another termination triode of resistance 3, the negative electrode of one end of photoelectric coupled circuit output end and the adjustable shunting a reference source of three ends, the collector electrode of triode connects the negative pole of semiconductor LED string, the reference edge of shunting a reference source (4) that one end of the emitter connecting resistance 6 of triode and three ends are adjustable, the other end of resistance 6, the anode of the other end of photoelectric coupled circuit output end and the adjustable shunting a reference source of three ends is connected with the negative pole of the dc output end of rectification circuit, one end of one terminating resistor 1 of photoelectricity coupling circuit input and the control signal of single-chip microcomputer, the other end ground connection of photoelectricity coupling circuit input, the positive pole of another termination 5V power supply of resistance 1.

Described led drive circuit comprises integrated circuit and the discrete component circuit of being made by the schematic diagram of described led drive circuit.

Described rectification circuit is made up of the rectifier bridge that diode constitutes.

Compared with prior art, the beneficial effects of the utility model are: (one), semiconductor LED volume are little, life-span length, energy-conservation.(2), drive circuit is simple, reliable, cost is low.(3), the controller universal performance is good, the color of control is ever-changing.There is the control program of multiple function in the single-chip microcomputer, available.It not only can be used as the controller of R, G, B tricolor semiconductor led array, also can be as the controller of monochromatic LED array.(4), finish the collection of the time of lighting and group control delay data, without the A/D conversion chip, reduced cost.

Description of drawings

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

Fig. 2 is circuit theory diagrams of the present utility model.

In Fig. 2,1. resistance 1,2. photoelectrical coupler, 3. resistance 3,4. the adjustable shunting a reference source of three ends, 5. triode, 6. resistance 6,7.R, G, B tricolor semiconductor LED, 8.R, the monochromatic semiconductor LED string among the G, B three primary colors, 9.LED drive circuit, 10. ac voltage input, 11. rectifier bridge, 12. filter capacitors.

Embodiment

Below in conjunction with accompanying drawing the utility model is elaborated.

In schematic block circuit diagram shown in Figure 1, the alternating current 220V power supply is behind step-down, rectification, filtering, voltage stabilizing electricity, to power supplies such as single-chip microcomputers.

In circuit theory diagrams shown in Figure 2, the T0 of function selector circuit usefulness single-chip microcomputer U3, T1 pin are as input, connect 1 end of K switch 3, K4 respectively, the 2 end ground connection of K switch 3, K4, square wave output 3 pin of the 3 ends difference bright time adjustment circuit U1 of contact of K3, K4 and group control delay circuit U2.When K switch 3 puts 2, K4 put 3 o'clock, and the function of selection is colored running lamp control; When K switch 3 puts 3, K4 put 2 o'clock, and the function of selection is the babysbreath color light control; When K switch 3, K4 put 2, the function of selection was the building decoration color light control; When K switch 3, K4 put 3, the control of the Protean LED color firework of the color that the function of selection is lamp.Under the synchronous working mode state of fireworks lamp, all S ends all link together.U3 is the 89C60X2 single-chip microcomputer.

In lighting time adjustment circuit, 1,2 pin of 3 pin of U1 and adjustable resistance W1 are connected with 3 pin of K3,3 pin of adjustable resistance W1 are connected with 2,6 pin of U1 with an end of capacitor C 1, one end of capacitor C 2 is connected with 5 pin of U1, the other end ground connection of capacitor C 1 and capacitor C 2,4,8 pin of U1 connect the positive pole of 5V power supply.

In group control delay circuit, 1,2 pin of 3 pin of U2 and adjustable resistance W2 are connected with 3 pin of K4,3 pin of adjustable resistance W2 are connected with 2,6 pin of U2 with an end of capacitor C 3, one end of capacitor C 4 is connected with 5 pin of U2, the other end ground connection of capacitor C 3 and capacitor C 4,4,8 pin of U2 connect the positive pole of 5V power supply.U1 and U2 are two ic 555s or one 556.

39 of U3,38,37,36,35,34,33,32 pin, corresponding one by one, respectively with U4, U5, U7, the D0 of U8, D1, D2, D3, D4, D5, D6, the D7 pin is connected, 10 pin of U3 connect 3 pin of U6,11 pin of U3 connect 6 pin of U6,12 pin of U3 connect 11 pin of U6,17 pin of U3 connect 8 pin of U6,16 pin of U3 meet 2 of U6,5,9,12 pin, 1 pin of U6 connects 11 pin of U4, and 4 pin of U6 connect 11 pin of U5, and 10 pin of U6 connect 11 pin of U7,13 pin of U6 connect 11 pin of U8, U4, the output pin Q0 of U5, Q1, Q2, Q3, Q4, Q5, Q6,1 of Q7 and U3,2,3,4,5,6,7,8 pin, corresponding one by one, respectively with

photoelectrical coupler

13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,2,35 control input pin g1 is connected; 21,22,23,24,25,26,27,28 pin of output pin Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7 and the U3 of U7, U8, corresponding one by one, respectively with photoelectrical coupler 41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64 control input pin g1 is connected.The 1 pin ground connection of U4, U5, U7, U8.U4, U5, U7, U8 are 74LS373, and U6 is 74LS33.

Rectification circuit (11) constitutes rectifier bridge by diode, and the dc output end of rectification circuit (11) is parallel with filter capacitor (12) and a plurality of semiconductor LED drive circuit (9).

The positive pole of the dc output end of the positive pole of the semiconductor LED string (8) of semiconductor LED drive circuit (9) and a termination rectification circuit (11) of resistance 3 (3), the base stage of another termination triode (5) of resistance 3 (3), the negative electrode of shunting a reference source (4) that the g3 pin of photoelectrical coupler (2) and three ends are adjustable, the collector electrode of triode (5) connects the negative pole of semiconductor LED string (8), one end of the emitter connecting resistance 6 (6) of triode (5) and the reference edge of the adjustable shunting a reference sources of three ends (4), the other end of resistance 6 (6), the anode of the g4 pin of photoelectrical coupler (2) and the adjustable shunting a reference sources of three ends (4) is connected with the negative pole of the dc output end of rectification circuit (11).The g1 pin of one end of resistance 1 (1) and photoelectrical coupler (2) connects the control signal of single-chip microcomputer correspondence, another termination 5V positive source of resistance 1 (1), the g2 pin ground connection of photoelectrical coupler (2).Shunting a reference source that three ends are adjustable is TL431.

Claims

1, the colored Landscape Lamp general purpose controller of a kind of semiconductor LED is characterized in that, described microcontroller is a single-chip microcomputer or with the microcontroller of designs such as CPLD; The T0 of described function selector circuit usefulness single-chip microcomputer, T1 pin connect 1 end of K switch 3, K4 respectively as input, the 2 end ground connection of K switch 3, K4, the 3 ends difference bright time adjustment circuit of contact of K3, K4 and the square wave output of group control delay circuit.Described synchronization control circuit inputs or outputs with an I/O pin conduct of single-chip microcomputer, is connected with synchronous terminals S with the end of K2; The P0 mouth of single-chip microcomputer, corresponding one by one, the input with described parallel expansion interface chip is connected respectively, output, the P1 of single-chip microcomputer, the P2 mouth of parallel expansion interface chip, corresponding one by one, the control input end with described photoelectricity coupling circuit is connected respectively; The output of photoelectricity coupling circuit, corresponding one by one, the control input end with described semiconductor LED drive circuit is connected respectively; The dc output end of rectification circuit is parallel with the semiconductor LED drive circuit that filter capacitor and a plurality of its output are in series with described R, G, B tricolor semiconductor LED string.

2, the colored Landscape Lamp general purpose controller of a kind of semiconductor LED according to claim 1 is characterized in that the switch of described function selector circuit comprises regular tap and jumper.

3, the colored Landscape Lamp general purpose controller of a kind of semiconductor LED according to claim 1, it is characterized in that described time adjustment circuit and the group control delay circuit lighted is by 556 or two 555 integrated circuits constitute, frequency can pass through W1, W2 adjustment square wave signal generator.

4, the colored Landscape Lamp general purpose controller of a kind of semiconductor LED according to claim 1, it is characterized in that, the positive pole of the dc output end of the positive pole of the semiconductor LED string of described semiconductor LED drive circuit and a termination rectification circuit of resistance 3, the base stage of another termination triode of resistance 3, the negative electrode of one end of photoelectric coupled circuit output end and the adjustable shunting a reference source of three ends, the collector electrode of triode connects the negative pole of semiconductor LED string, the reference edge of shunting a reference source (4) that one end of the emitter connecting resistance 6 of triode and three ends are adjustable, the other end of resistance 6, the anode of the other end of photoelectric coupled circuit output end and the adjustable shunting a reference source of three ends is connected with the negative pole of the dc output end of rectification circuit, one end of one terminating resistor 1 of photoelectricity coupling circuit input and the control signal of single-chip microcomputer, the other end ground connection of photoelectricity coupling circuit input, the positive pole of another termination 5V power supply of resistance 1.

5, the colored Landscape Lamp general purpose controller of a kind of semiconductor LED according to claim 1 is characterized in that described led drive circuit comprises integrated circuit and the discrete component circuit of being made by the schematic diagram of described led drive circuit.

6, the colored Landscape Lamp general purpose controller of a kind of semiconductor LED according to claim 1 is characterized in that described rectification circuit is made up of the rectifier bridge that diode constitutes.