CN201007448Y - Single lamp control LED light string - Google Patents

Abstract

The utility model relates to a single-lamp controlled LED light string, including a light emitting diode and an integrated circuit, wherein the integrated circuit is arranged on a circuit board, the circuit board is arranged on two pins of the light emitting diode, one pin of the integrated circuit is connected to the positive electrode of the light emitting diode, and the other pin of the integrated circuit is connected to the negative electrode of the light emitting diode, and the light emitting diode and the circuit board provided with the integrated circuit together form an LED lamp assembly; the integrated circuit controls the light emitting diode to flash. Thus, a single-lamp controlled LED light string is provided in which the integrated circuit IC is separated from the light emitting diode, and the normal operation of the entire light string will not be affected by a failure of one of the light groups, and the light emitting diode has the characteristics of simple structure, long service life, stable operation, convenient maintenance, easy selection of light emitting diode colors and good consistency, etc.

Description

Single lamp control LED light string

【Technical field】

The utility model relates to an LED lamp, in particular to an LED lamp string.

【Background technique】

With the development of society, LED light strings are not only used in occasional decorations such as Christmas, but also in home decoration, urban lighting projects and various entertainment venues. LED light strings have similarities with traditional incandescent light strings. Incomparable advantages, with bright colors, can achieve a variety of color changes, and effectively reduce energy consumption, the composed of colorful color-changing light strings can not only play the role of lighting, but also play a decorative role to make different festivals and different The occasions have added a lot of festive atmosphere. Because of this, LED light strings have quietly entered our lives. At present, the LED light strings we commonly use use wires to connect the LEDs to form a chain structure to make them glow. And with a functional controller, the light string can produce a variety of color changes.

With the development of the lighting industry, light strings with various functions appear on the market frequently, which cannot meet the diverse needs of people, and can not meet the needs of some special occasions; among the currently used LED light strings, such as the applicant's Chinese utility model patent "AC Colorful Light String", patent number ZL200520064272.4, the light-emitting diode LEDs that make up the light string are all integrated integrated circuits IC placed inside the light-emitting diode LED and connected with light-emitting chips. It has the following disadvantages:

A. When the flickering LED of this structure is used in the mixed light string, the integrated circuit IC will often be damaged due to the breakdown of the integrated circuit IC when it is static (off), which not only affects the service life of the light group, but also because A damage will affect the normal work of the entire light string;

B. Because the integrated circuit IC is placed inside the light-emitting diode LED, it is difficult to select the color of the light-emitting diode LED light, which may cause the color of light emitted by each light-emitting diode LED in a string of LED lights in the same group may be different. , forming colorful, unable to meet customer requirements, resulting in return;

C. Since the integrated circuit IC is placed inside the light-emitting diode LED, as long as any one of them is broken, the other can only be scrapped. If the integrated circuit IC is broken, the light-emitting diode LED can only be scrapped; The integrated circuit IC can only be scrapped; maintenance is inconvenient and wasteful;

D. With this structure, the processing technology is complicated and the quality is difficult to control.

【Content of utility model】

The utility model aims at the above-mentioned defects of the prior art, and provides a single-lamp control LED light string in which the integrated circuit IC and the light-emitting diode are separated, which will not affect the normal operation of the entire light string due to a failure of one of the light groups , it has the characteristics of simple structure, long life, stable work, convenient maintenance, easy selection of LED colors and good consistency.

In order to solve the above-mentioned technical problems, the utility model includes a light-emitting diode and an integrated circuit. The integrated circuit is arranged on a circuit board, and the circuit board is arranged on two feet of the light-emitting diode. The other pin of the LED is connected to the negative pole of the light-emitting diode, and the light-emitting diode and the circuit board provided with the integrated circuit together form an LED light assembly; the integrated circuit controls the light-emitting diode to flash.

As a preferred embodiment of the present invention, a Zener diode is provided on the circuit board, the anode of the Zener diode is connected to one leg of the IC, and the cathode of the Zener diode is connected to the other leg of the IC.

As a preferred embodiment of the present invention, a capacitor is provided on the circuit board, and the capacitor is connected in parallel to two pins of the integrated circuit.

As a preferred embodiment of the present invention, a soft hood is provided at the lower part of the circuit board with the integrated circuit and the light-emitting diodes, and the soft hood will completely seal the circuit board with the integrated circuit and the lower part of the light-emitting diodes.

As a preferred embodiment of the present utility model, there are multiple LED lamp assemblies, and multiple LED lamp assemblies are connected in series by light string wires and then connected to the power plug through a rectifier circuit that converts alternating current into direct current. Each LED lamp assembly Its blinking is controlled by the integrated circuit on it.

As a preferred embodiment of the present invention, the wires of the light string are also connected with an external socket, which can be connected with any control type of LED light string, and any control type of LED light string is controlled by itself to flicker.

Compared with the prior art, the utility model has the beneficial effects that: since the integrated circuit IC and the light-emitting diode are separated in the flashing light group, and there are voltage-stabilizing diodes and capacitors at the same time, neither the light-emitting diodes in the flashing light group The open circuit breaks down the integrated circuit IC, and it will not affect the normal operation of the entire light string due to damage to a certain light-emitting diode and integrated circuit IC in the light string. It can well protect the light-emitting diodes and integrated circuit IC in the light string. At the same time, it can better protect the work of the entire light string, avoiding the defects of traditional light strings such as unstable operation and short service life; at the same time, the processing technology is simple and the maintenance is convenient. If any one is broken, only the broken one needs to be replaced or repaired. Just one, if the integrated circuit IC is broken, you only need to change the integrated circuit IC, and if the light-emitting diode is broken, you only need to change the light-emitting diode; and the light-emitting diodes are separate, so you can choose light-emitting diodes of the same color.

In summary, the utility model provides a single-lamp control LED light string in which the integrated circuit IC and the light-emitting diode are separated. It will not affect the normal operation of the entire light string due to a failure of one of the light groups. It has It has the characteristics of simple structure, long life, stable operation, convenient maintenance, easy selection of LED color and good consistency.

【Description of drawings】

Fig. 1 is the structural representation of a kind of preferred embodiment of the utility model;

Fig. 2 is the circuit schematic diagram of a kind of preferred embodiment of the utility model;

FIG. 3 is an enlarged schematic view of part A in FIG. 2 .

【Detailed ways】

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

As can be seen from Fig. 1, Fig. 2 and Fig. 3, the utility model comprises light-emitting diode 5 and integrated circuit IC, and integrated circuit IC is located on circuit board 6, and circuit board 6 plays the effect of fixing components and parts, and circuit board 6 is set On the two pins of the light-emitting diode 5, the pin P1 of the integrated circuit IC is connected to the anode of the light-emitting diode 5, the pin P2 of the integrated circuit IC is connected to the negative pole of the light-emitting diode 5, and the light-emitting diode 5 and the circuit board provided with the integrated circuit IC 6 together form an LED light assembly 3; the integrated circuit IC controls the light-emitting diode 5 to flash. The input of circuit board 6 provided with integrated circuit IC and all light emitting diodes 5 can be provided by a rectification circuit 8 which converts alternating current into direct current.

As can be seen from Fig. 2 and Fig. 3, as a kind of preferred embodiment of the present utility model, circuit board 6 is provided with Zener diode ZD1, and the anode of Zener diode ZD1 is connected with the pin P3 of integrated circuit IC, and Zener diode The negative pole of ZD1 is connected with the pin P1 of the integrated circuit IC. Zener diode ZD1 acts as a bypass and will not cause the integrated circuit IC to be damaged due to voltage breakdown.

It can be seen from Fig. 2 and Fig. 3 that, as a preferred embodiment of the present invention, a capacitor C1 is provided on the circuit board 6, and the capacitor C1 is connected in parallel to the two pins P1 and P3 of the integrated circuit IC. Capacitor C1 acts as a filter to make the integrated circuit IC work more stably.

As a kind of preferred embodiment of the present utility model, can find out by Fig. 1, be provided with the circuit board 6 of integrated circuit IC and the bottom of light-emitting diode 5 to be provided with a soft hood 4, soft hood 4 will be provided with integrated circuit The circuit board 6 of the IC and the lower part of the light emitting diode 5 are all sealed. Adopt soft hood 4 to seal, make the bottom of the light-emitting diode 5 in the soft hood 4, the circuit board 6 that is provided with integrated circuit IC etc. be isolated from the outside world, protect light-emitting diode 5, be provided with the circuit board 6 of integrated circuit IC can not Subject to man-made damage and meet the requirements of safety regulations.

It can be seen from Fig. 1 and Fig. 2 that, as a preferred embodiment of the present invention, there are multiple LED lamp assemblies 3, and the plurality of LED lamp assemblies 3 are connected in series by light string wires 7, and then the alternating current is converted into The DC rectifier circuit 8 is connected to the power plug 1, and each LED lamp assembly 3 is controlled by an integrated circuit IC thereon to flicker; the power plug 1 can be made into various power plugs according to the safety standards of various countries. Behind the power plug 1 is provided a rectification circuit 8 for converting alternating current into direct current, which provides input for circuit board 6 provided with integrated circuit IC and all light emitting diodes 5 . Select the value of the voltage regulator diode ZD1 according to the voltage required by the light-emitting diode 5, and use it on any light-emitting diode 5 in the series section of 220V or 120V and other voltages to form a series section that flashes synchronously or any single light-emitting diode in a series section 5 blinking string lights. Multiple LED light components are connected in series to form LED light strings, and multiple light-emitting diodes 5 flash at the same time, giving users a spectacular feeling; they can be made into LED light strings to decorate Christmas trees, and the whole Christmas tree can present a colorful display after being powered on. The scene adds to the festive atmosphere.

It can be seen from Fig. 1 that, as a preferred embodiment of the present invention, the light string wire 7 is also connected with an external socket 2, and the external socket 2 can be connected to any control form of LED light string, any control form of LED light string Its flashing is controlled by itself, and the external socket 2 can be made according to the specifications and standards of the power plug on the connected LED light string. In this way, a hybrid LED light string can be formed, a light string in which any single LED light in the series section flashes, or a light string in which any single LED light in the series section flashes synchronously.

Since the integrated circuit IC and the light-emitting diode 5 are separated, and the voltage regulator diode ZD1 and the capacitor C1 are connected in parallel, the integrated circuit IC will not be broken down when the light-emitting diode 5 is static (the light-emitting diode 5 is extinguished), and the capacitor C1 It acts as a filter to make the integrated circuit IC work stably. The circuit board 6 plays the role of fixed components (integrated circuit IC, Zener diode ZD1 and capacitor C1). The bypass function of the Zener diode ZD1 will not cause the integrated circuit IC to be overvoltage Even if the integrated circuit IC and the light-emitting diode 5 are open at the same time, due to the function of the Zener diode ZD1, the entire light string where it is located can still work normally, and will not affect the entire light string like a traditional light string. The normal operation of the light string also avoids the problems of unstable operation and short service life of the whole light string caused by adding other flashing light groups to the traditional constant light strings. Simultaneously processing technology is simple, maintenance is convenient, any one is broken, only need to replace or repair one of them bad one and get final product, as integrated circuit IC is broken, only need to change integrated circuit IC, light-emitting diode 5 is broken, only need to change light-emitting diode 5; and the light-emitting diode 5 is independent, it is completely possible to select the light-emitting diode 5 of the same color separately.

The above descriptions are only preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims of the present utility model shall fall within the scope of the claims of the present utility model.

Claims (6)

1. Single lamp control type LED light string, comprising light emitting diode (5) and integrated circuit (IC), it is characterized in that: described integrated circuit (IC) is arranged on the circuit board (6), and described circuit board (6) Set on the two pins of the light emitting diode (5), the pin (P1) of the integrated circuit (IC) is connected to the anode of the light emitting diode (5), and the pin (P2) of the integrated circuit (IC) ) is connected to the negative pole of the light-emitting diode (5), and the light-emitting diode (5) and the circuit board (6) provided with the integrated circuit (IC) together form an LED lamp assembly (3); (IC) controls the light emitting diode (5) to blink. 2. The single-lamp control type LED light string according to claim 1, characterized in that: the circuit board (6) is provided with a Zener diode (ZD1), and the anode of the Zener diode (ZD1) is connected to the The pin (P3) of the integrated circuit (IC) is connected, and the cathode of the Zener diode (ZD1) is connected with the pin (P1) of the integrated circuit (IC). 3. The single-lamp control type LED lamp string according to claim 2, characterized in that: the circuit board (6) is provided with a capacitor (C1), and the capacitor (C1) is connected in parallel to the integrated circuit (IC ) on the two pins (P1, P3). 4. The single-lamp control LED light string according to claim 1, characterized in that: the circuit board (6) with the integrated circuit (IC) and the lower part of the light-emitting diode (5) are provided with a soft A head cover (4), the soft head cover (4) completely seals the circuit board (6) provided with the integrated circuit (IC) and the lower part of the light emitting diode (5). 5. The single-lamp control LED light string according to any one of claims 1 to 4, characterized in that there are multiple LED lamp assemblies (3), and multiple LED lamp assemblies (3) are composed of lamps The string wires (7) are connected in series to the power plug (1) through a rectifier circuit (8) that converts alternating current into direct current, and each of the LED lamp assemblies (3) is controlled by the integrated circuit (IC) on it. Control its blinking. 6. The single-lamp control LED light string according to claim 5, characterized in that: said light string wire (7) is also connected with an external socket (2), and said external socket (2) can be connected to any control Form of LED light strings, any controlled form of LED light strings is controlled by itself to flicker.

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