CN-224218554-U - Dynamic control circuit of LED lamp strip

Abstract

A dynamic control circuit of an LED lamp strip comprises a plurality of light emitting modules, a rectifying module and a singlechip, wherein the light emitting modules, the rectifying module and the singlechip are sequentially arranged along the length direction of a circuit board, each light emitting module comprises a plurality of light emitting modules, the light emitting modules with the same sequence among the light emitting modules are sequentially connected in series to form a plurality of synchronous light emitting modules with the same working voltage as that of commercial power, the rectifying module converts alternating current commercial power into high-voltage direct current and outputs the high-voltage direct current to the synchronous light emitting modules and the singlechip, and the singlechip respectively controls the lighting time and duration of the synchronous light emitting modules according to a set program to realize the sequential lighting of the plurality of light emitting modules in each light emitting module. The utility model can eliminate an external controller, has simple manufacturing process, more convenient product use and lower application cost.

Inventors

• ZHOU XIANGCUN

Assignees

• 江门市锦创照明有限公司

Dates

Publication Date

20260508

Application Date

20250402

Claims (3)

1. 1. A dynamic control circuit of an LED lamp strip is characterized by comprising a plurality of light emitting modules, a rectifying module and a singlechip, wherein the light emitting modules, the rectifying module and the singlechip are sequentially arranged along the length direction of the lamp strip, each light emitting module comprises a plurality of light emitting modules sequentially arranged along the length direction of a circuit board, the light emitting modules with the same sequence are sequentially connected in series to form synchronous light emitting modules with the same working voltage as that of mains supply, two input ends of the rectifying module are used for being connected with the mains supply, the output ends of the rectifying module comprise a positive electrode and a negative electrode of a power supply, the singlechip comprises a positive electrode pin, a negative electrode pin, a signal input pin and a plurality of output pins with the same number as that of the synchronous light emitting modules, the positive electrode pin is connected to the positive electrode of the power supply through a first resistor, the negative electrode pin is connected to the negative electrode of the power supply through a first diode and a first capacitor which are connected in parallel, the plurality of output pins are respectively connected to bases of a plurality of three-stage tubes, emitters of the three-stage tubes are connected to the negative electrode of the power supply, the three-stage tubes are respectively connected to the negative electrode of the synchronous light emitting modules, the positive electrode of the synchronous light emitting modules is connected to the negative electrode of the synchronous light emitting modules, the positive electrode is connected to the positive electrode of the synchronous light emitting modules and the negative electrode is connected to the power supply through a second resistor and the positive electrode and the power supply through a second resistor.
2. 2. The dynamic control circuit of an LED lamp strip according to claim 1, wherein the light emitting modules comprise three light emitting modules, the light emitting modules with the same sequence are connected in series to form three synchronous light emitting modules, the singlechip comprises three output pins, and the three-stage tube is three.
3. 3. The dynamic control circuit of an LED lamp strip according to claim 2, wherein the light emitting module is formed by connecting a plurality of LED lamp beads and resistors in series, and the working voltage of the light emitting module is 220V.

Description

Dynamic control circuit of LED lamp strip Technical Field The utility model relates to an LED lamp circuit, and particularly discloses a dynamic control circuit of an LED lamp strip. Background The dynamic control of the LED lamp strip means that the light emitting units on the lamp strip can be independently controlled to form mutually-corresponding light effects such as flowing water, jumping and the like, and the LED lamp strip is also called a horse race lamp strip in the industry. The existing horse race lamp strip generally adopts an external controller, each light-emitting unit on the lamp strip needs to be configured with a control chip, and at least three circuits of a positive electrode power supply and a negative electrode power supply and a signal wire are also needed to be arranged, so that the circuit is complex and the manufacturing cost is high. In addition, the external controller is required to be configured when the consumer uses the device, so that the device is inconvenient to use and high in use cost. Disclosure of utility model Based on the above, it is necessary to provide a dynamic control circuit for an LED lamp strip, which has a simple manufacturing process, convenient use and low use cost, aiming at the problems of the prior art. The utility model discloses a dynamic control circuit of an LED lamp strip, which comprises a plurality of light emitting modules, a rectifying module and a singlechip, wherein the light emitting modules, the rectifying module and the singlechip are sequentially arranged along the length direction of the lamp strip, each light emitting module comprises a plurality of light emitting modules sequentially arranged along the length direction of a circuit board, the light emitting modules with the same sequence are sequentially connected in series to form a plurality of synchronous light emitting modules with the same working voltage as that of commercial power, two input ends of the rectifying module are used for being connected with the commercial power, the output ends of the rectifying module comprise a power supply positive electrode and a power supply negative electrode, the singlechip comprises a positive electrode pin, a negative electrode pin, a signal input pin and a plurality of output pins with the same number as that of the synchronous light emitting modules, the positive electrode pin is connected to the power supply positive electrode through a first resistor, the negative electrode pin is connected to the power supply negative electrode through a first diode and a first capacitor connected in parallel, the plurality of output pins are respectively connected to bases of a plurality of three-stage tubes, emitters of the three-stage tubes are connected to the power supply negative electrode, the three-stage tubes are respectively connected to the cathodes of the synchronous light emitting modules, the positive electrode is connected to the power supply positive electrode and the negative electrode is connected to the power supply through a second resistor and a third capacitor, and the positive electrode is connected to the power supply negative electrode through the second resistor. The utility model has the beneficial effects that as the circuit and the singlechip are arranged on the circuit board of the lamp strip, a plurality of luminous modules in a plurality of luminous modules are respectively controlled to be sequentially lightened through a plurality of output pins of the singlechip, the dynamic control effect of running water is realized, an external controller can be abandoned, the application cost is lower, the use is more convenient, meanwhile, only two current wires are arranged in a core wire to be connected with the circuit board, the wiring of the circuit board is simpler, and the manufacturing cost of the lamp strip is lower. As an improvement of the utility model, the light-emitting module comprises three light-emitting modules, the light-emitting modules with the same sequence are connected in series to form three synchronous light-emitting modules, the singlechip comprises three output pins, and the three-stage tubes are three. The light-emitting module is formed by connecting a plurality of LED lamp beads and resistors in series, and the working voltage of the light-emitting module is 220V. Drawings FIG. 1 is a circuit diagram of a dynamic control circuit according to the present utility model. Fig. 2 is a schematic structural diagram of the LED strip of the present utility model. Detailed Description The utility model will be further described with reference to the drawings and the detailed description below, in order to further understand the features, technical means, specific objects and functions of the utility model. Reference is made to fig. 1. The utility model provides a LED lamp area, includes crust 1, and the parcel has heart yearn 2 in the crust 1, is provided with two power conductors 21 in the heart yearn 2, a