CN210579335U

CN210579335U - LED lamp string control system

Info

Publication number: CN210579335U
Application number: CN201921250310.3U
Authority: CN
Inventors: 张记刚
Original assignee: Ningbo Yongen Electronic Technology Co ltd
Current assignee: Ningbo Yongen Electronic Technology Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-19
Anticipated expiration: 2029-08-05

Abstract

The utility model relates to a LED lamp cluster control system includes chip, the control unit and LED lamp cluster circuit, the chip includes power input circuit, power output circuit, control circuit and is arranged in the current detection circuit who carries out the sampling to the circuit electric current, power input circuit links to each other with the live wire, power output circuit ground connection, current detection circuit is connected with the one end electricity of LED lamp cluster circuit, and this control circuit is connected with the control unit control end electricity, and this control unit positive pole is connected with the other end electricity of LED lamp cluster circuit.

Description

LED lamp string control system

Technical Field

The utility model relates to a light control especially relates to a LED lamp cluster control system.

Background

With the development of the LED control technology, the LED lamp and the lamp string are not only applied to the scene decoration of various festivals such as Christmas, but also applied to home decoration, city lightening engineering and various entertainment places. Compared with the traditional incandescent lamp string, the LED lamp has incomparable advantages such as low energy consumption and bright color, can realize full-color change, illumination and decoration effects by controlling the brightness (chromaticity) of three primary colors or colors, and enhances the festival celebration atmosphere. Therefore, LED lights and light strings are increasingly present in our daily lives. Along with the international trend of low-carbon life and energy conservation and emission reduction, the development of the illumination and lamp industry needs to keep up with the trend, but at present, a considerable number of lamps and lamp strings have the defects of high energy consumption and high cost, and the existing LED lamp is unstable in voltage and easy to generate overvoltage to damage.

SUMMERY OF THE UTILITY MODEL

To the present situation of the above prior art, the technical problem to be solved in the present invention is to provide a LED light string control system to solve the prior art problem.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a LED lamp cluster control system, includes chip, the control unit and LED lamp cluster circuit, the chip includes power input circuit, power output circuit, control circuit and is arranged in carrying out the current detection circuit who samples to the electric current in the circuit, power input circuit links to each other with the live wire, power output circuit ground connection, current detection circuit is connected with the one end electricity of LED lamp cluster circuit, and this control circuit is connected with the control unit control end electricity, and this control unit positive pole is connected with the other end electricity of LED lamp cluster circuit.

Preferably, still be equipped with between power input circuit and the live wire and be used for converting the commercial power into the rectifier unit that the direct current supplied the chip to use, the rectifier unit includes bridge heap D5, resistance R1 and electric capacity C1, resistance R1 is parallelly connected with bridge heap D5, electric capacity C1 parallel connection is at resistance R1 and bridge heap D5's both ends, and the rectifier unit can convert the alternating current in the commercial power into the direct current and supply the chip to use, and the rectifier unit has reduced the voltage and the electric current size of commercial power through setting up resistance R1, plays the guard action to the chip, and electric capacity C1 can play the filtering action, has improved the life of chip.

Preferably, the chip further comprises a signal receiving circuit, the signal receiving circuit is connected with one end of the touch switch, the other end of the touch switch is grounded, the touch switch is used for sending an electric signal to the chip, the chip can be instructed to change the brightness of the LED lamp by pressing the touch switch, and the practicability is improved.

Preferably, the control unit comprises a thyristor Q1 and a thyristor Q2, the LED lamp string circuit comprises two parallel LED lamp strings, the thyristor Q1 and the thyristor Q2 are respectively connected in series with the two LED lamp strings, the thyristor Q1 and the thyristor Q2 can control the brightness of the LED lamp strings, and the manufacturing cost of the control system is saved by using thyristor control.

Compared with the prior art, the utility model has the advantages of:

through the form that uses chip and the control unit to combine together, reduced LED lamp cluster control system's manufacturing cost, and the voltage and current of commercial power is unstable, and the chip can be according to the electric current size that will flow through LED lamp string circuit, and the stability of the voltage of control LED lamp cluster and luminance can prevent that LED lamp cluster from crossing bright, has practiced thrift the energy, the utility model relates to a rationally, accord with the market demand, be fit for promoting.

Drawings

Fig. 1 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1, the circuit comprises a chip, a control unit and an LED lamp string circuit, wherein the chip comprises a power input circuit, a power output circuit, a control circuit and a current detection circuit for sampling current in the circuit, the power input circuit is connected with a live wire, the power output circuit is grounded, the current detection circuit is electrically connected with one end of the LED lamp string circuit, the control circuit is electrically connected with a control end of the control unit, and an anode of the control unit is electrically connected with the other end of the LED lamp string circuit.

When the LED lamp runs, the ZD end of the current detection circuit samples the current which is about to flow through the LED lamp string circuit, the voltage of the commercial power can change back and forth, the voltage of the LED lamp string can be unstable, the LED lamp is bright when dark, and the resource waste can be caused when bright, the chip judges the magnitude of the collected voltage and current, and controls the magnitude of the current in the control circuit, the magnitude of the current of the control end of the controlled silicon Q1 or the controlled silicon Q2 is changed, the magnitude of the current on the control end of the controlled silicon Q1 or the controlled silicon Q2 can change the magnitude of the conduction angle of the controlled silicon Q1 or the controlled silicon Q2, when the conduction angle is 180 degrees, the LED lamp voltage is maximum, the smaller the voltage is, the voltage on the LED lamp is reduced, the voltage and the brightness of the LED lamp string are stable, the energy is saved, the brightness of the LED lamp can.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a LED lamp cluster control system, its characterized in that includes chip, control unit and LED lamp cluster circuit, the chip includes power input circuit, power output circuit, control circuit and is arranged in carrying out the current detection circuit who samples to the electric current in the circuit, power input circuit links to each other with the live wire, power output circuit ground connection, current detection circuit is connected with the one end electricity of LED lamp cluster circuit, and this control circuit is connected with control unit control end electricity, and this control unit positive pole is connected with the other end electricity of LED lamp cluster circuit.

2. The LED light string control system according to claim 1, wherein a rectifying unit for converting the commercial power into the direct current for the chip to use is further disposed between the power input circuit and the live wire, the rectifying unit includes a bridge D5, a resistor R1 and a capacitor C1, the resistor R1 is connected in parallel with the bridge D5, and the capacitor C1 is connected in parallel across the resistor R1 and the bridge D5.

3. The LED light string control system of claim 2, wherein the chip further comprises a signal receiving circuit, the signal receiving circuit is connected to one end of the tact switch, and the other end of the tact switch is grounded.

4. The LED light string control system as claimed in claim 3, wherein the control unit comprises a thyristor Q1 and a thyristor Q2, the LED light string circuit comprises two LED light strings connected in parallel, and the thyristor Q1 and the thyristor Q2 are respectively connected in series with the two LED light strings.