Dynamically-controlled LED lamp strip

Abstract

A dynamically-controlled LED lamp strip comprises an outer skin, a core wire wrapped in the outer skin, two power wires arranged in the core wire, a plurality of circuit boards wrapped in the core wire, a plurality of light-emitting modules sequentially arranged in the length direction of the circuit boards, a rectifier module and a single-chip microcomputer. 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 working voltage equal to that of the mains supply, and the rectifier module converts the alternating-current mains supply into high-voltage direct current and outputs the high-voltage direct current to the synchronous light-emitting modules and the single-chip microcomputer. The single-chip microcomputer controls the lightening time and duration of the three synchronous light-emitting modules according to a set program, and the effect that the multiple light-emitting modules in each light-emitting module are lightened in sequence and flow water is achieved. According to the utility model, an external controller can be abandoned, the manufacturing process of the lamp strip is simple, the product is more convenient to use, and the application cost is lower.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED lamps and lanterns, specifically disclose a dynamic control's LED lamp area. BACKGROUND

[0002] The dynamic control of LED lamp area refers to the light emitting unit on the lamp area can be controlled independently, forms the light effect such as mutual echo of running water, jumping, and also be called in the industry as running light band. The existing running light band generally adopts external controller, and each light emitting unit on the lamp area needs to be configured with a control chip, and at least three lines of positive and negative power supply and signal line also need to be set, and its circuit is complex, and the manufacturing cost is high. In addition, the consumer needs to configure external controller when using, and the use is inconvenient and the use cost is high. INVENTION CONTENTS

[0003] Therefore, it is necessary to provide a dynamic control LED lamp area with simple manufacturing process, convenient use and low use cost in view of the prior art problems.

[0004] To solve the prior art problems, the utility model discloses a dynamic control's LED lamp area, including the skin, and the skin is wrapped with the core line, and the core line is provided with two power supply wires, and the core line is wrapped with multiple circuit boards, and the circuit board has LED lamp pearl, and the circuit board is connected with two power supply wires through the lead wire, and the circuit board is provided with dynamic control circuit, and the dynamic control circuit includes multiple light emitting modules arranged in turn along the length direction of the lamp area, rectifier module and singlechip, and each light emitting module includes a plurality of light emitting modules arranged in turn, and the light emitting modules of the same order between each light emitting module are connected in series, and form a plurality of synchronous light emitting modules with the working voltage equal to the commercial power, and the two input ends of rectifier module are connected with two power supply wires respectively, and the output end includes the power supply positive pole and the power supply negative pole, and the singlechip includes the positive pole, the negative pole, the signal input foot and the equal number of output feet with the synchronous light emitting module, and the positive pole is connected to the power supply positive pole through the first resistance, and is connected to the power supply negative pole through the parallel first diode and the first capacitor, and the negative pole is connected to the power supply negative pole, and the equal number of output feet is connected to the base of the equal number of tetrodes respectively, and the emitter of tetrode is connected to the power supply negative pole, and the equal number of tetrodes is connected to the negative pole of the equal number of synchronous light emitting modules respectively, and the positive pole of synchronous light emitting module is connected to the power supply positive pole, and the signal input foot is connected to the power supply positive pole through the second resistance, and is connected to the power supply negative pole through the parallel third resistance and the second capacitor.

[0005] The utility model discloses a beneficial effect is: the utility model discloses a circuit and singlechip are established to the lamp area circuit board, and the sequential lighting of a plurality of light emitting modules in a plurality of light emitting module groups is controlled through the output foot of singlechip respectively, realizes the dynamic control effect of stream water, can discard external controller, and the application cost is lower, and it is more convenient to use, simultaneously only needs to set up two current wires in the core line and connects the circuit board, and the circuit board wiring is simpler, and the lamp area manufacturing cost is lower.

[0006] As the utility model further improves: the light emitting module group contains three light emitting modules, and the same sequential light emitting module is connected in series between each light emitting module group, and three synchronous light emitting module groups are formed, the singlechip includes three output feet, and the three-stage tube is three. The light emitting module is formed by the series connection of a plurality of LED lamp beads and resistors, and the working voltage is 220V. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is the circuit diagram of a dynamic control circuit of the utility model.

[0008] Figure 2 It is the structure diagram of LED lamp area of the utility model. DETAILED DESCRIPTION

[0009] In order to further understand the features, technical means and specific purposes, functions of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.

[0010] REFERENCE Figure 1 A kind of dynamic control LED lamp area, including skin 1, skin 1 is wrapped with core line 2, two power supply wires 21 are provided in core line 2, core line 2 is wrapped with multiple circuit boards 3, LED lamp bead 4 is provided on circuit board 3, and circuit board 3 is electrically connected with the two power supply wires 21 by two leads 5.

[0011] REFERENCE Figure 2 . Dynamic control circuit is provided on the circuit board 3, and the dynamic control circuit includes multiple light emitting module groups 40 arranged along the length direction of lamp area, rectifier module DB and singlechip U.

[0012] The light-emitting module 40 comprises a first light-emitting module 41, a second light-emitting module 42 and a third light-emitting module 43 arranged in sequence along the length direction of the circuit board. The light-emitting modules of the same order between each light-emitting module 40 are connected in sequence to form a plurality of synchronous light-emitting modules, i.e., the first light-emitting modules 41 between each light-emitting module 40 are connected in series to form a first synchronous light-emitting module 4a, the second light-emitting modules 42 between each light-emitting module 40 are connected in series to form a second synchronous light-emitting module 4b, and the third light-emitting modules 43 between each light-emitting module 40 are connected in series to form a third synchronous light-emitting module 4c. The light-emitting module 41 / 42 / 43 can be a single LED lamp bead or a plurality of LED lamp beads 4 and a plurality of resistors R connected in series, and the working voltage thereof is 220V, which is equal to the mains.

[0013] The rectifier module DB is a patch bridge, the input end of which is connected to the two power supply wires, and the output end thereof comprises a positive electrode V+ and a negative electrode V-. The single-chip microcomputer U comprises a positive electrode foot VCC, a negative electrode foot GND, a first output foot ID1, a second output foot ID2, a third output foot ID3 and a signal input foot ID5. The positive electrode foot VCC is connected to the positive electrode V+ through a first resistor R1, and is connected to the negative electrode V- through a first diode D1 and a first capacitor C1 connected in parallel. The negative electrode foot GND is connected to the negative electrode V-. The first output foot ID1, the second output foot ID2 and the third output foot ID3 are respectively connected to the base of a first triode Q1, a second triode Q2 and a third triode Q3. The emitter of the first triode Q1, the second triode Q2 and the third triode Q3 is connected to the negative electrode V-. The collector of the first triode Q1, the second triode Q2 and the third triode Q3 is respectively connected to the negative electrode of the first synchronous light-emitting module 4a, the second synchronous light-emitting module 4b and the third synchronous light-emitting module 4c. The positive electrode of the synchronous light-emitting module is connected to the positive electrode V+. The signal input foot ID5 is connected to the positive electrode V+ through a second resistor R2, and is connected to the negative electrode V- through a third resistor R3 and a second capacitor C2 connected in parallel. The second resistor R2 and the third resistor R3 provide a voltage division ratio, and the second capacitor C2 provides an output signal of the rectifier module DB. The signal input foot ID5 realizes dynamic control of the circuit synchronization on the plurality of circuit boards by detecting the charge and discharge signal of the second capacitor C2.

[0014] The working principle of the utility model is: rectifier module DB converts alternating current into 220V high-voltage direct current, and outputs to first synchronous light-emitting module 4a, second synchronous light-emitting module 4b and third synchronous light-emitting module 4c, and simultaneously, after voltage division through first resistor R1, outputs to single-chip microcomputer U; single-chip microcomputer U controls the lighting time and duration of the three synchronous light-emitting modules according to the set program, and realizes the sequential lighting water flow effect. Specifically: when single-chip microcomputer U controls first synchronous light-emitting module 4a to light, first light-emitting module 41 in each light-emitting module 40 lights; when single-chip microcomputer U controls second synchronous light-emitting module 4b to light, second light-emitting module 42 in each light-emitting module 40 lights; when single-chip microcomputer U controls third synchronous light-emitting module 4c to light, third light-emitting module 43 in each light-emitting module 40 lights; when single-chip microcomputer U controls first synchronous light-emitting module 4a to light again, first light-emitting module 4 in each light-emitting module 40 lights again, and the whole lamp strip visually seems to jump from the third light-emitting module 43 of the previous light-emitting module to the first light-emitting module 41 of the next light-emitting module, forming the whole water flow effect.

[0015] As a specific application scheme of the above-mentioned circuit: one section of circuit board 3 is arranged in every one meter of the lamp strip, one above-mentioned dynamic control circuit is contained on each circuit board 3, the dynamic control circuit contains one patch bridge DB, one single-chip microcomputer U and 120 LED lamp beads 4 with 3V working voltage. LED lamp beads 4 are arranged in sequence along the length direction of the circuit board, every continuous four LED lamp beads 4 and one resistor R are connected in series to form one light-emitting module 41 / 42 / 43, every continuous three light-emitting modules form one light-emitting module 40, the same sequence light-emitting modules 41 / 42 / 43 between each light-emitting module 40 are connected in series, forming three synchronous light-emitting modules 4a / 4b / 4c. The circuit board 3 is connected to the two power supply wires 21 on the core wire 2 through the lead wire 5, and the mains is connected to the input end of the patch bridge through the wires 21, lead wire 5 and the circuit on the circuit board 1. Each section of circuit board 3 is connected in parallel to the power supply wires 21, and the lamp strip containing one section or more sections of circuit board 3 can be used by being connected to the mains. The power supply wire 21 is used as the total power supply line of the multiple sections of circuit board, the cross section is large, the resistance can be reduced, the power consumption and circuit voltage drop are less, and the overall brightness of the lamp strip is more uniform. The above only takes the single-chip microcomputer with three output pins as an example for description, and those skilled in the art can know that when more output pins are arranged on the single-chip microcomputer U, more synchronous light-emitting modules can be arranged correspondingly, so that the control is more delicate, and the water flow effect is more realistic.

[0016] The utility model discloses a lamp strip circuit board is provided with circuit and singlechip, and through the several output feet of singlechip control the several light emitting modules in the several light emitting module of multiple in order to light, realize the dynamic control effect of stream water, can discard external controller, and the application cost is lower, and it is more convenient to use, and the core line only needs to set up two current conducting wires and circuit board connection, and the circuit board wiring is simpler, and the lamp strip manufacturing cost is lower.

[0017] The above-mentioned embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A dynamically controlled LED light strip, comprising an outer sheath, a core wire wrapped inside the outer sheath, two power conductors disposed within the core wire, multiple circuit boards wrapped inside the core wire, LED beads on the circuit boards, and the circuit boards electrically connected to the two power conductors via leads, characterized in that: The circuit board is equipped with a dynamic control circuit, which includes multiple light-emitting modules arranged sequentially along the length of the light strip, a rectifier module, and a microcontroller. Each light-emitting module includes several light-emitting modules arranged sequentially, with light-emitting modules of the same order connected in series to form several synchronous light-emitting modules with an operating voltage equal to that of the mains power. The two input terminals of the rectifier module are electrically connected to the two power supply wires, and its output terminals include a positive power supply terminal and a negative power supply terminal. The microcontroller includes a positive terminal, a negative terminal, a signal input terminal, and several output terminals equal in number to the synchronous light-emitting modules. The positive terminal is connected to the positive terminal of the power supply through a first resistor, and to the negative terminal of the power supply through a first diode and a first capacitor connected in parallel. The negative terminal is connected to the negative terminal of the power supply. The output terminals are respectively connected to the bases of several transistors. The emitters of the transistors are connected to the negative terminal of the power supply. The collectors of the several transistors are respectively connected to the negative terminals of several synchronous light-emitting modules. The positive terminal of the synchronous light-emitting module is connected to the positive terminal of the power supply. The signal input terminal is connected to the positive terminal of the power supply through a second resistor, and to the negative terminal of the power supply through a third resistor and a second capacitor connected in parallel.

2. The dynamically controlled LED light strip according to claim 1, characterized in that: The light-emitting module includes three light-emitting modules, and the light-emitting modules in the same order are connected in series to form three synchronous light-emitting modules. The microcontroller includes three output pins, and there are three transistors.

3. The dynamically controlled LED light strip according to claim 2, characterized in that: The light-emitting module consists of several LED beads and resistors connected in series, and its operating voltage is 220V.

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