CN-224218545-U - Main control circuit of high-voltage color LED lamp strip

Abstract

The utility model discloses a total control circuit of a high-voltage color LED lamp strip, which comprises a first rectifying module, a power supply module and a total control module, wherein the output end of the first rectifying module is connected to the power supply module, the output end of the power supply module is connected with the total control module, and the total control module only outputs a control instruction. The main control singlechip of the main control module only sends out a control instruction, and the sub-control singlechip of each control unit on the lamp strip controls each light-emitting module in the control unit, so that the wiring of the lamp strip is simple, the light-emitting modules among a plurality of control units of the lamp strip can mutually correspond, and the lighting effects of flowing water, multicolor and the like are realized.

Inventors

• ZHOU XIANGCUN

Assignees

• 江门市锦创照明有限公司

Dates

Publication Date

20260508

Application Date

20250402

Claims (4)

1. 1. The total control circuit of the high-voltage color LED lamp strip is characterized by comprising a first rectifying module, a power supply module and a total control module, wherein the input end of the first rectifying module is used for being connected with mains supply, the output end of the first rectifying module is connected to the power supply module, the output end of the power supply module is connected with the total control module, and the total control module only outputs a control instruction, wherein the first rectifying module is a patch bridge stack and comprises two alternating current input ends, a first positive electrode and a first negative electrode, and the alternating current input ends are used for being connected with the mains supply; the power supply module comprises a power supply chip, the power supply chip comprises a power supply chip positive electrode, a power supply chip negative electrode, a power supply output positive electrode and a power supply output negative electrode, the power supply chip positive electrode is connected to the first positive electrode through a first resistor, the power supply chip negative electrode is connected to the first negative electrode through a first diode and a first capacitor which are connected in parallel, the power supply chip negative electrode is connected to the power supply output positive electrode through a first inductor, the total control module comprises a total control singlechip, the total control singlechip comprises a positive electrode pin, a negative electrode pin, a first mode pin, a second mode pin and a total signal output pin, the positive electrode pin is connected to the power supply output positive electrode of the power supply chip, the negative electrode pin is connected to the first negative electrode, and the first mode pin and the second mode pin are connected to the first negative electrode through a first key switch and a second key switch respectively.
2. 2. The master control circuit of the high-voltage color LED lamp strip according to claim 1, wherein the master control module further comprises a zero-crossing detection module, the master control singlechip further comprises a zero-crossing detection pin, the zero-crossing detection module comprises an optical coupler, a receiving end C electrode of the optical coupler is connected to the zero-crossing detection pin and is connected to the first negative electrode through a second capacitor, a receiving end E electrode of the optical coupler is connected to the first negative electrode, a transmitting end positive electrode of the optical coupler is connected to an input end of the first rectifying module through a second resistor and is connected to the first negative electrode through a second diode and a third resistor which are connected in parallel, and a transmitting end negative electrode of the optical coupler is connected to the first negative electrode.
3. 3. The master control circuit of the high-voltage color LED lamp strip of claim 1, wherein the master control module further comprises a remote control input module, the master control singlechip further comprises a third mode pin, and an input end of the remote control input module is connected to the third mode pin.
4. 4. The total control circuit of the high-voltage color LED lamp strip of claim 1, wherein the total signal output pin of the total control singlechip is further connected to a power output positive electrode of a power chip through a third diode which is connected positively, and is connected to the first negative electrode through a fourth diode which is connected reversely.

Description

Main control circuit of high-voltage color LED lamp strip Technical Field The utility model relates to an LED lamp circuit, and particularly discloses a general control circuit of a high-voltage color LED lamp strip. Background The high-voltage color LED lamp strip is a lamp strip with 220V working voltage and can be directly connected with commercial power, and comprises a sheath, a power wire and a plurality of sections of circuit boards, wherein the power wire and the circuit boards are wrapped in the sheath, and color LED lamp beads are arranged on the circuit boards. The high-voltage color LED lamp strip has the advantages of complex manufacturing process and low production efficiency because each section of circuit board needs to be connected with a lead wire by welding, and single lighting effect because the lamp strip is controlled by an external controller only and the lighting color can be changed integrally and cannot be changed in sections. The low-voltage color LED lamp strip is characterized in that the working voltage is 12V to 36V, a driving power supply is required to be connected to a commercial power lamp strip, the low-voltage color LED lamp strip comprises a sheath, a circuit board is wrapped in the sheath, and color LED lamp beads are arranged on the circuit board. The low-voltage color LED lamp strip is large in circuit voltage drop due to low-voltage transmission of current through a circuit on the circuit board, when the length (or power) of the lamp strip exceeds a certain value, the brightness of the rear LED lamp beads is reduced, even the rear LED lamp strip cannot work normally, and the brightness of the lamp strip is uneven. Disclosure of utility model Based on the above, it is necessary to provide a general control circuit for a color LED lamp strip with simple manufacturing process, high production efficiency and reduced circuit voltage, aiming at the problems of the prior art. The utility model discloses a general control circuit of a high-voltage color LED lamp strip, which comprises a first rectifying module, a power supply module and a general control module, wherein the input end of the first rectifying module is used for being connected with mains supply, the output end of the first rectifying module is connected to the power supply module, the output end of the power supply module is connected to the general control module, the general control module only outputs control instructions, the first rectifying module is a patch bridge stack and comprises two alternating current input ends used for being connected with the mains supply, a first positive electrode and a first negative electrode, the power supply module comprises a power supply chip, the power supply chip comprises a power supply chip positive electrode, a power supply chip negative electrode, a power supply output positive electrode and a power supply output negative electrode, the power supply chip positive electrode is connected to the first positive electrode through a first resistor, the power supply chip negative electrode is connected to the first negative electrode, the power supply output positive electrode is connected to the first negative electrode through a first diode and a first capacitor which are connected in parallel, the general control module comprises a general control pin, the general control module comprises a general key press pin, the general control pin comprises a main key pin, a first positive electrode, a power supply output positive electrode and a power supply output negative electrode, a first negative electrode and a first negative electrode, which are respectively. The utility model has the beneficial effects that the master control singlechip of the master control module only sends out control instructions, the sub-control singlechip of each control unit on the lamp strip controls the three light-emitting modules in the control unit, the wiring of the lamp strip is simple, and the light-emitting modules among a plurality of control units of the lamp strip can mutually correspond to realize the lighting effects of flowing water, multicolor and the like. The utility model further provides an improvement of the total control module, the total control singlechip further comprises a zero-crossing detection pin, the zero-crossing detection pin comprises an optical coupler, a receiving end C electrode of the optical coupler is connected to the zero-crossing detection pin and is connected to the first negative electrode through a second capacitor, a receiving end E electrode of the optical coupler is connected to the first negative electrode, a transmitting end positive electrode of the optical coupler is connected to an input end of the first rectifying module through a second resistor and is connected to the first negative electrode through a second diode and a third resistor which are connected in parallel, and a transmitting end negative electrode of the optical coupler is conne