CN201008222Y

CN201008222Y - Different-group multi-lamp control type LED lamp string

Info

Publication number: CN201008222Y
Application number: CNU2007201394063U
Authority: CN
Inventors: 邵炽良
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-12
Filing date: 2007-02-12
Publication date: 2008-01-16
Anticipated expiration: 2017-02-12

Abstract

The utility model relates to a different group's multi-lamp control formula LED lamp cluster, including lamp cluster and the control circuit that a plurality of emitting diode constitute, control circuit includes two rectifier circuit, integrated circuit, zener diode, optoelectronic coupler, two electric capacity, thyristor and four resistances, and all emitting diode synchronous scintillation on the lamp cluster of its output by a plurality of emitting diode are controlled to control circuit. Therefore, the multi-lamp control type LED lamp string with different groups and separated integrated circuits IC and light emitting diodes is provided, the normal work of the whole lamp string is not influenced because one lamp group fails, the LED lamp string has the characteristics of simple structure, low cost, long service life, stable work, convenient maintenance, easy color selection of the light emitting diodes, good consistency and the like, and the control circuit can be adopted to control the synchronous flicker of the light emitting diodes in different groups.

Description

Many lamps control type LED lamp string on the same group not

[technical field]

The utility model relates to a kind of LED lamp, particularly relates to a kind of LED lamp string.

[background technology]

Development along with society, LED lamp string not only is applied to the decoration of doing something for the occasion in various red-letter days such as Christmas Day, and be applied to house decoration and city lighting engineering and various recreations place, LED lamp string and traditional incandescent lamp string have incomparable advantage, have beautiful in colour, can realize the multiple variation of color, and effectively reduced energy consumption, the seven color Color-changing lamp strings of forming can not only play the effect of illumination, playing decoration function allows different red-letter days and different occasions increase many celebrating atmosphere especially, Just because of this, LED lamp string has quietly entered in the middle of we live, and the LED lamp string that we used always at present links up the composition chain structure with diatom with LED, makes it luminous, and have function control device, make the lamp string produce multicolour and change.

Along with the development of lamp decoration industry, the lamp string of various functions appears on the market again and again, can not satisfy the multifarious demand of people like this, nor can satisfy the use needs of some special occasions; At present in the LED lamp string that uses, Chinese utility model patent " exchanging the seven-color LED string " as the applicant, patent No. ZL200520064272.4, the LED of forming the lamp string all is that integrated circuit (IC) is placed LED inner and luminescence chip binding and cast solid, and it has following shortcoming:

A. the flicker LED of this structure is used for making when the reciprocally incorporated lamp string tends to because of integrated circuit (IC) static state (shutoff) the integrated circuit (IC) punch through damage, so not only influenced the useful life of lamp group, simultaneously also can be because of the operate as normal that can have influence on whole lamp string after damaging when one of them;

B. because integrated circuit (IC) places LED inside, be difficult to select the luminous color of LED lamp, thereby the color that causes the light that each LED sends in a string LED lamp string on the same group is possible different, form colourful, can not reach requirement of client, cause the return of goods;

C. because integrated circuit (IC) places LED inside, and wherein any one has been gone bad as long as have, and another one can only be scrapped, and has gone bad as integrated circuit (IC), LED also can only be scrapped; LED has been broken, and the integrated circuit (IC) in it also can only be scrapped; Maintenance is inconvenient, and forms waste;

D. this kind structure, processing technology complexity, the difficult control of quality.

And more than be that single integrated circuit IC controls single LED, a LED lamp string has many LEDs, just needs the integrated circuit (IC) of equivalent amount, causes the cost height, and is also inconvenient.

[utility model content]

The utility model is at the above-mentioned defective of prior art, the not many lamps control type LED lamp string on the same group that provides that a kind of integrated circuit (IC) separates with light-emitting diode, it can not have influence on the operate as normal of whole lamp string because one of them lamp group breaks down, it have simple in structure, cost is low, the life-span is long, working stability, easy to maintenance, led color is selected easily and characteristics such as high conformity, it can adopt a control circuit control not on the same group a plurality of light-emitting diodes glimmer synchronously.

In order to solve the problems of the technologies described above, the utility model comprises the lamp string that a plurality of light-emitting diodes are formed and controls the control circuit of lamp string, control circuit comprises that two convert alternating current to

galvanic rectification circuit

8,18 and integrated circuit (IC), the lamp that a plurality of light-emitting diodes are formed is serially connected in the output of control circuit, and control circuit also comprises voltage stabilizing didoe ZD5, photoelectrical coupler GD1, two capacitor C 1, C3, thyristor VT1 and four resistance R 1, R3, R4, R6; The pin P6 of integrated circuit (IC) is connected on an output of rectification circuit 8 by resistance R 3, the pin P3 of integrated circuit (IC) is connected on another output of rectification circuit 8, capacitor C 3 is connected in parallel on two outputs of rectification circuit 8, the pin P6 of integrated circuit (IC) is connected on the positive pole of photoelectrical coupler GD1 internal body diodes by resistance R 4, the negative pole of photoelectrical coupler GD1 internal body diodes is connected on the pin P1 of integrated circuit (IC), the collector electrode of the inner triode of photoelectrical coupler GD1 becomes a port exporting VOUT1 by the output that resistance R 6 is connected on rectification circuit 18, the emitter of the inner triode of photoelectrical coupler GD1 connects the gate pole of thyristor VT1, after linking to each other, the positive pole of the negative electrode of thyristor VT1 and voltage stabilizing didoe ZD5 is connected on another output of rectification circuit 18, the anode of thyristor VT1 is another port of output VOUT1, the negative pole of voltage stabilizing didoe ZD5 is connected on the collector electrode of the inner triode of photoelectrical coupler GD1, be connected on two rectification circuits 8 after resistance R 1 and capacitor C 1 parallel connection, an input of 18, two rectification circuits 8, another input of 18 also links to each other; Control circuit controls that all light-emitting diodes glimmer synchronously on the lamp string of being made up of a plurality of light-emitting diodes of its output VOUT1.

As a kind of preferred embodiment of the present utility model, also be provided with another photoelectrical coupler GD2, another thyristor VT2 and a resistance R 5 on the control circuit; The positive pole of photoelectrical coupler GD2 internal body diodes is connected on the pin P6 of integrated circuit (IC) by resistance R 5, the negative pole of photoelectrical coupler GD2 internal body diodes is connected on the pin P2 of integrated circuit (IC), the collector electrode of the inner triode of photoelectrical coupler GD2 is connected with the collector electrode of the inner triode of photoelectrical coupler GD1, the emitter of the inner triode of photoelectrical coupler GD2 connects the gate pole of thyristor VT2, the negative electrode of thyristor VT2 is connected with the negative electrode of thyristor VT1, the anode of thyristor VT2 connects the port of output VOUT2, another port of output VOUT2 and the shared output that is connected on rectification circuit 18 of a port of output VOUT1; Control circuit controls that all light-emitting diodes glimmer synchronously on the lamp string of being made up of a plurality of light-emitting diodes of its output VOUT2.

As a kind of preferred embodiment of the present utility model, control circuit is provided with voltage stabilizing didoe, and the positive pole of voltage stabilizing didoe is connected with the pin of integrated circuit, and the negative pole of voltage stabilizing didoe is connected with the pin of integrated circuit.

As a kind of preferred embodiment of the present utility model, control circuit is provided with electric capacity, and electric capacity is connected in parallel on two pin of integrated circuit.

As a kind of preferred embodiment of the present utility model, control circuit is provided with resistance, and resistance is connected in parallel on two pin of integrated circuit.

The utility model is with respect to the beneficial effect of prior art: owing to adopted integrated circuit (IC) and light-emitting diode separate design in its flashing lamp group, have voltage stabilizing didoe and electric capacity simultaneously, neither can puncture integrated circuit (IC) because of the light-emitting diode open-circuit in the flashing lamp group, can be owing to a certain LED light lamp and integrated circuit (IC) in the lamp string are damaged the operate as normal that has influence on whole lamp string yet, also can better protect the work of whole lamp string when can be good at protecting light-emitting diode in the lamp string and integrated circuit (IC), avoid conventional lights string job insecurity, defectives such as useful life is short; Simultaneously processing technology is simple, easy to maintenance, and any one go bad, only need to change or maintenance is wherein bad one get final product, gone bad as integrated circuit (IC), need change integrated circuit (IC), LED light lamp has been gone bad, and need change the optical diode lamp; And light-emitting diode is independent, can select the light-emitting diode of same color fully.And control circuit can design a plurality of outputs, thereby may command how glimmered synchronously by all light-emitting diodes on the lamp string of being made up of a plurality of light-emitting diodes by group, both saved cost, controls simple again.

In sum, not many lamps control type LED lamp string on the same group that the utility model provides that a kind of integrated circuit (IC) separates with light-emitting diode, it can not have influence on the operate as normal of whole lamp string because one of them lamp group breaks down, it have simple in structure, cost is low, the life-span is long, working stability, easy to maintenance, led color is selected easily and characteristics such as high conformity, it can adopt a control circuit control not on the same group a plurality of light-emitting diodes glimmer synchronously.

[description of drawings]

Fig. 1 is the circuit theory schematic diagram of a kind of preferred embodiment control circuit of the utility model;

Fig. 2 is the circuit theory schematic diagram of the another kind of preferred embodiment control circuit of the utility model.

[embodiment]

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

As seen from Figure 1, the utility model comprises the lamp string that a plurality of light-emitting diodes are formed and controls the control circuit of lamp string, control circuit comprises that two convert alternating current to

galvanic rectification circuit

8,18 and integrated circuit (IC), the lamp that a plurality of light-emitting diodes are formed is serially connected in the output of control circuit, and control circuit also comprises voltage stabilizing didoe ZD5, photoelectrical coupler GD1, two capacitor C 1, C3, thyristor VT1 and four resistance R 1, R3, R4, R6; The pin P6 of integrated circuit (IC) is connected on an output of rectification circuit 8 by resistance R 3, the pin P3 of integrated circuit (IC) is connected on another output of rectification circuit 8, capacitor C 3 is connected in parallel on two outputs of rectification circuit 8, the pin P6 of integrated circuit (IC) is connected on the positive pole of photoelectrical coupler GD1 internal body diodes by resistance R 4, the negative pole of photoelectrical coupler GD1 internal body diodes is connected on the pin P1 of integrated circuit (IC), the collector electrode of the inner triode of photoelectrical coupler GD1 becomes a port exporting VOUT1 by the output that resistance R 6 is connected on rectification circuit 18, the emitter of the inner triode of photoelectrical coupler GD1 connects the gate pole of thyristor VT1, after linking to each other, the positive pole of the negative electrode of thyristor VT1 and voltage stabilizing didoe ZD5 is connected on another output of rectification circuit 18, the anode of thyristor VT1 is another port of output VOUT1, the negative pole of voltage stabilizing didoe ZD5 is connected on the collector electrode of the inner triode of photoelectrical coupler GD1, be connected on two rectification circuits 8 after resistance R 1 and capacitor C 1 parallel connection, the input of 18 input VIN, two rectification circuits 8, another input of 18 input VIN also links to each other; Control circuit controls that all light-emitting diodes glimmer synchronously on the lamp string of being made up of a plurality of light-emitting diodes of its output VOUT1.The input of two

rectification circuits

8,18 can connect different alternating currents according to city's electric standard of various countries.

As a kind of preferred embodiment of the present utility model, as seen from Figure 2, also be provided with another photoelectrical coupler GD2, another thyristor VT2 and a resistance R 5 on the control circuit; The positive pole of photoelectrical coupler GD2 internal body diodes is connected on the pin P6 of integrated circuit (IC) by resistance R 5, the negative pole of photoelectrical coupler GD2 internal body diodes is connected on the pin P2 of integrated circuit (IC), the collector electrode of the inner triode of photoelectrical coupler GD2 is connected with the collector electrode of the inner triode of photoelectrical coupler GD1, the emitter of the inner triode of photoelectrical coupler GD2 connects the gate pole of thyristor VT2, the negative electrode of thyristor VT2 is connected with the negative electrode of thyristor VT1, the anode of thyristor VT2 connects the port of output VOUT2, another port of output VOUT2 and the shared output that is connected on rectification circuit 18 of a port of output VOUT1; Control circuit controls that all light-emitting diodes glimmer synchronously on the lamp string of being made up of a plurality of light-emitting diodes of its output VOUT2.

As a kind of preferred embodiment of the present utility model, by Fig. 1 and Fig. 2 as can be seen, control circuit is provided with voltage stabilizing didoe ZD2, and the positive pole of voltage stabilizing didoe ZD2 is connected with the pin P3 of integrated circuit (IC), and the negative pole of voltage stabilizing didoe ZD2 is connected with the pin P6 of integrated circuit (IC).Voltage stabilizing didoe ZD2 plays the bypass effect can not make integrated circuit (IC) be destroyed by voltage breakdown.

As a kind of preferred embodiment of the present utility model, by Fig. 1 and Fig. 2 as can be seen, control circuit is provided with capacitor C 2, and capacitor C 2 is connected in parallel on two pin P3, the P6 of integrated circuit (IC).Capacitor C 2 strobes and makes integrated circuit (IC) steady operation more.

As a kind of preferred embodiment of the present utility model, by Fig. 1 and Fig. 2 as can be seen, control circuit is provided with resistance R 2, and resistance R 2 is connected in parallel on two pin P4, the P5 of integrated circuit (IC).

Owing to adopted integrated circuit (IC) and light-emitting diode separate design, be parallel with voltage stabilizing didoe ZD2 and capacitor C 2 simultaneously, make when light-emitting diode during in static state (light-emitting diode extinguishes), integrated circuit (IC) can be not breakdown, capacitor C 2 strobes and makes the integrated circuit (IC) steady operation, because of the bypass effect of voltage stabilizing didoe ZD2 can not make integrated circuit (IC) be destroyed by voltage breakdown; Even integrated circuit (IC) and light-emitting diode are opened a way simultaneously, because the effect of voltage stabilizing didoe ZD2, the whole lamp string at its place still can operate as normal, and can not have influence on the operate as normal of whole lamp string as traditional lamp string.Also can select the value of voltage stabilizing didoe ZD2 according to the light-emitting diode required voltage, use in the series block of 220V or 120V and other voltage on any one light-emitting diode, to constitute the series block lamp string of flicker synchronously.Simultaneously processing technology is simple, easy to maintenance, and any one go bad, only need to change or maintenance is wherein bad one get final product, gone bad as integrated circuit (IC), need change integrated circuit (IC), light-emitting diode has been broken, and need change optical diode; And light-emitting diode is independent, can select the light-emitting diode of same color fully earlier separately.And, only used a control circuit that is provided with integrated circuit (IC), just can design a plurality of outputs, thereby may command how glimmered synchronously by all light-emitting diodes on the lamp string of being made up of a plurality of light-emitting diodes by group, both saved cost, controls simple again.

The above only is preferred embodiment of the present utility model, and all equalizations of being done with the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.

Claims

1. Different groups of multi-lamp control LED light strings, including a light string composed of a plurality of light-emitting diodes and a control circuit for controlling the light string. The control circuit includes two rectification circuits (8, 18) for converting alternating current into direct current and An integrated circuit (IC), a plurality of light-emitting diodes are connected in series at the output end of the control circuit, and it is characterized in that: the control circuit also includes a Zener diode (ZD5), a photocoupler (GD1), Two capacitors (C1, C3), a thyristor (VT1) and four resistors (R1, R3, R4, R6); the pin (P6) of the integrated circuit (IC) is connected to the An output end of the rectification circuit (8), the pin (P3) of the integrated circuit (IC) is connected to the other output end of the rectification circuit (8), and the capacitor (C3) is connected in parallel to the rectification circuit ( 8), the pin (P6) of the integrated circuit (IC) is connected to the anode of the internal diode of the optocoupler (GD1) through the resistor (R4), and the optocoupler (GD1) The cathode of the internal diode is connected to the pin (P1) of the integrated circuit (IC), and the collector of the internal triode of the photocoupler (GD1) is connected to the rectifier circuit (18) through the resistor (R6). One output terminal becomes a port of the output (VOUT1), the emitter of the triode inside the optocoupler (GD1) is connected to the gate of the thyristor (VT1), the cathode of the thyristor (VT1) and the regulator The anode of the diode (ZD5) is connected to the other output terminal of the rectifier circuit (18), the anode of the thyristor (VT1) is another port of the output (VOUT1), and the voltage stabilizing diode (ZD5) The negative pole is connected to the collector of the internal triode of the photocoupler (GD1), and the resistor (R1) and the capacitor (C1) are connected in parallel to one input terminal of the two rectification circuits (8, 18) , the other input ends of the two rectification circuits (8, 18) are also connected; the control circuit controls all the light emitting diodes on the light string composed of a plurality of light emitting diodes at the output end (VOUT1) to flash synchronously.

2. Different groups of multi-lamp control LED lamp strings according to claim 1, characterized in that: another photocoupler (GD2), another thyristor (VT2) and a resistor ( R5); the anode of the internal diode of the optocoupler (GD2) is connected to the pin (P6) of the integrated circuit (IC) through the resistor (R5), and the negative pole of the internal diode of the optocoupler (GD2) Connected to the pin (P2) of the integrated circuit (IC), the collector of the internal triode of the photocoupler (GD2) is connected to the collector of the internal triode of the photocoupler (GD1), and the photocoupler The emitter of the triode inside the device (GD2) is connected to the gate of the thyristor (VT2), the cathode of the thyristor (VT2) is connected to the cathode of the thyristor (VT1), and the anode of the thyristor (VT2) is connected to the output A port of (VOUT2), the other port of the output (VOUT2) is shared with a port of the output (VOUT1) and connected to an output end of the rectification circuit (18); the control circuit controls its output (VOUT2) All LEDs on the light string composed of multiple LEDs flash synchronously.

3. According to claim 1 or 2, different groups of multi-lamp control LED light strings are characterized in that: the control circuit is provided with a Zener diode (ZD2), and the anode of the Zener diode (ZD2) is connected to The pin (P3) of the integrated circuit (IC) is connected, and the cathode of the Zener diode (ZD2) is connected with the pin (P6) of the integrated circuit (IC).

4. Different groups of multi-lamp control LED light strings according to claim 3, characterized in that: the control circuit is provided with a capacitor (C2), and the capacitor (C2) is connected in parallel to the integrated circuit (IC) on the two pins (P3, P6).

5. Different groups of multi-lamp control LED light strings according to claim 4, characterized in that: said control circuit is provided with a resistor (R2), and said resistor (R2) is connected in parallel to said integrated circuit (IC) on the two pins (P4, P5).