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CN-224218555-U - Circuit structure of high-voltage color LED lamp strip

CN224218555UCN 224218555 UCN224218555 UCN 224218555UCN-224218555-U

Abstract

The utility model discloses a circuit structure of a high-voltage color LED lamp strip, which comprises a main control circuit and a sub-control circuit, wherein the main control circuit comprises a first rectifying module, a power supply module and a main control module, 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 main control module, the sub-control circuit comprises a plurality of control units, each control unit comprises a second rectifying module, a sub-control singlechip and a plurality of light-emitting modules with working voltage equal to that of commercial power, the input end of each second rectifying module is connected to the input end of the corresponding first rectifying module, the output end of each second rectifying module is connected to the sub-singlechip and the plurality of light-emitting modules, the sub-control singlechip respectively controls the plurality of light-emitting modules in the control unit, and the total signal output end of the main control module is connected to the sub-control singlechip of the first control unit on the sub-control circuit and sequentially transmitted through the sub-control singlechips of the control units.

Inventors

  • ZHOU XIANGCUN

Assignees

  • 江门市锦创照明有限公司

Dates

Publication Date
20260508
Application Date
20250402

Claims (6)

  1. 1. A circuit structure of a high-voltage color LED lamp strip comprises a controller and the lamp strip and is characterized in that a total control circuit is arranged in the controller, a sub-control circuit is arranged in the lamp strip, the total control circuit comprises a first rectifying module, a power supply module and a total control module, 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, the total control module only outputs control instructions, the sub-control circuit comprises a plurality of control units, the control units comprise a second rectifying module, a sub-control singlechip and various light-emitting modules with working voltages equal to those of the mains supply, the input end of the second rectifying module is connected to the input end of the first rectifying module, the output end of the second rectifying module is connected to the sub-control singlechip and the various light-emitting modules, the total signal output end of the total control module is connected to the sub-control singlechip of the first control unit on the sub-control circuit, and the sub-singlechip of the first control unit is sequentially transmitted through the sub-singlechip of each control unit.
  2. 2. The circuit structure of the high-voltage color LED lamp strip of claim 1, 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, wherein the alternating current input ends are used for being connected with 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 output positive electrode is connected to the first negative electrode through a first inductor, 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 through a first key switch and a second key switch, the second rectifier module is a patch stack, the output end of the patch stack comprises a second positive electrode and a second negative electrode, the sub-control chip comprises a second positive electrode pin, a negative electrode pin, a first mode pin, a second mode pin and a third pin, a green light emitting module, a blue light emitting module, a third pin, a fifth LED and a light emitting module, a blue light emitting module, a green light emitting module, a fifth LED and a green light emitting module, the first output pin, the second output pin and the third output pin are respectively connected to bases of a first triode, a second triode and a third triode through a ninth resistor, a tenth resistor and an eleventh resistor, emitters of the first triode, the second triode and the third triode are connected to the second negative electrode, collectors of the first triode, the second triode and the third triode are respectively connected to the negative electrodes of the three light emitting modules, anodes of the three light emitting modules are connected to the second positive electrode, a signal input pin of a sub-control singlechip of a first control unit on a lamp belt is connected to a total signal output pin of the total control singlechip, a signal output pin of the sub-control unit is connected to a signal input pin of a next control unit, and the following control unit is the same.
  3. 3. The circuit structure of the high-voltage color LED lamp strip according to claim 2, 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 pole of the optical coupler is connected to the zero-crossing detection pin and is connected to the first negative pole through a second capacitor, a receiving end E pole of the optical coupler is connected to the first negative pole, a transmitting end positive pole 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 pole through a second diode and a third resistor which are connected in parallel, and a transmitting end negative pole is connected to the first negative pole.
  4. 4. The circuit structure of the high-voltage color LED lamp strip of claim 2, 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.
  5. 5. The circuit structure of the high-voltage color LED lamp strip of claim 2, 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.
  6. 6. The circuit structure of the high-voltage color LED lamp strip of claim 2, wherein the red light module, the green light module and the blue light module are respectively formed by connecting a plurality of red light LED lamp beads, green light LED lamp beads, blue light LED lamp beads and a plurality of resistors in series.

Description

Circuit structure of high-voltage color LED lamp strip Technical Field The utility model relates to an LED lamp circuit, and particularly discloses a circuit structure 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 control circuit for a color LED strip with a simple manufacturing process, high production efficiency and reduced circuit voltage, aiming at the problems of the prior art. The utility model discloses a circuit structure of a high-voltage color LED lamp strip, which aims to solve the problems in the prior art, and comprises a controller and a lamp strip, wherein a total control circuit is arranged in the controller, a sub-control circuit is arranged in the lamp strip, the total control circuit comprises a first rectifying module, a power supply module and a total control module, 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, the total control module only outputs control instructions, the sub-control circuit comprises a plurality of control units, the control units comprise a second rectifying module, a sub-control singlechip and a plurality of light-emitting modules with working voltages equal to those of the mains supply, the input end of the second rectifying module is connected to the input end of the first rectifying module, the output end of the second rectifying module is connected to the sub-singlechip and the plurality of light-emitting modules, the sub-control singlechip respectively controls the plurality of light-emitting modules in the control units, and the total signal output end of the total control module is connected to the sub-singlechip of the first control unit on the sub-control circuit, and then the sub-singlechip is sequentially transmitted through the sub-control singlechips of each control unit. The utility model has the beneficial effects that the main control singlechip of the main 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, so that the light-emitting modules among the plurality of control units of the lamp strip mutually correspond to realize the lighting effects of running water, multicolor and the like, and the working voltage of the light-emitting modules is 220V, the current can be transmitted at high voltage in the sub-control circuit, the voltage drop can be greatly reduced, the power of the lamp strip which can be driven by one controller is larger, the length of the lamp strip is longer, the current is not required to be transmitted by adopting wires in the lamp strip, the manufacturing process of the lamp strip is simple, and the manufacturing cost is low. The utility model is improved in improvement that 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 which are used for connecting commercial power, 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 conn