CN111447717A

CN111447717A - Infrared light and color adjusting RGB drive circuit device

Info

Publication number: CN111447717A
Application number: CN202010351192.6A
Authority: CN
Inventors: 刘建东
Original assignee: Foshan Zhengyue Lighting Technology Co ltd
Current assignee: Foshan Zhengyue Lighting Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-07-24

Abstract

The invention discloses an infrared dimming and color mixing RGB (red, green and blue) driving circuit, which comprises a singlechip body, wherein RGB output ports of the singlechip body are electrically connected with a dimming circuit through signal lines, an infrared input port of the singlechip body is provided with an infrared receiving device, two ends of a serial bus formed by an SDA (data architecture) data line port of the singlechip body and an SC L clock signal line port are electrically connected with registers, a power port of the singlechip body is electrically connected with a power module, the power module comprises an alternating current input interface, the alternating current input interface is connected into an EMI (electro-magnetic interference) anti-interference circuit through a fuse, the EMI anti-interference circuit is connected into an isolation transformer through a rectifying and filtering circuit, a feedback circuit is arranged in the isolation transformer, the feedback circuit comprises a PWM (pulse-width modulation) controlled switching tube.

Description

Infrared light and color adjusting RGB drive circuit device

Technical Field

The invention relates to the technical field of RGB drive circuit, in particular to an infrared light and color adjusting RGB drive circuit device.

Background

Along with the flourishing prosperity of economy, the living standard of people is continuously improved, the development of production technology is better and better, people are harsher and more demanding on the utilization of own time, in life, the requirement on equipment is higher and higher, the working efficiency of the equipment is expected to be improved through innovation on the equipment, the working time is reduced, the use efficiency is improved, and the maximum value is exerted.

Disclosure of Invention

The invention aims to provide an infrared dimming and color mixing RGB driving circuit device to solve the problems that an RGB driving circuit in the prior market, which is provided by the background technology, lacks an infrared remote control function and cannot record the light setting condition used last time after shutdown.

In order to achieve the purpose, the invention provides the following technical scheme that the infrared dimming and color mixing RGB driving circuit comprises a single chip microcomputer body, an infrared receiving device, a register, a power supply module, an alternating current input interface, an EMI anti-interference circuit, an isolation transformer, a feedback circuit, a 45V power output interface, a 5V power output interface, a dimming circuit and a lamp, wherein RGB output ports of the single chip microcomputer body are electrically connected with the dimming circuit through signal lines, an infrared input port of the single chip microcomputer body is provided with the infrared receiving device, two ends of a serial bus formed by an SDA data line port of the single chip microcomputer body and an SC L clock signal line port are electrically connected with the register, a power supply port of the single chip microcomputer body is electrically connected with the power supply module, the power supply module comprises the alternating current input interface, the alternating current input interface is connected into the EMI circuit through a fuse, the EMI anti-interference circuit is connected into the isolation transformer through a rectifier filter circuit, the feedback circuit is arranged in the isolation transformer, the feedback circuit comprises a PWM.

Preferably, the power outlet includes a 45V power output interface electrically connected to the isolation transformer through the rectifying and filtering circuit and a 5V power output interface electrically connected to the isolation transformer through the rectifying and filtering circuit.

Preferably, the dimming circuit comprises a yellow light dimming circuit, a white light dimming circuit, a red light dimming circuit, a green light dimming circuit and a blue light dimming circuit, and a lamp is arranged outside the dimming circuit.

Preferably, the lamp includes a yellow light lamp electrically connected to the yellow light dimming circuit at a cathode, a white light lamp electrically connected to the white light dimming circuit at a cathode, a red light lamp electrically connected to the red light dimming circuit at a cathode, a green light lamp electrically connected to the green light dimming circuit at a cathode, and a blue light lamp electrically connected to the blue light dimming circuit at a cathode.

Preferably, the power supply interfaces of the infrared receiving device, the register and the single chip microcomputer body are electrically connected with the 5V power supply output interface, and the anode of the lamp is electrically connected with the 45V power supply output interface.

Preferably, a voltage detection circuit and a current detection circuit are provided outside the PWM-controlled switching tube circuit.

Compared with the prior art, the LED lamp has the advantages that the infrared receiving device is arranged at the input port of the single chip microcomputer, the lamp connected with the single chip microcomputer can be remotely controlled, the registers are electrically connected to two ends of a serial bus formed by the SDA data line port of the single chip microcomputer and the SC L clock signal line port, the lamp light setting condition of last startup can be saved, the lamp light does not need to be reset every startup, and the LED lamp has high power factor and conversion efficiency.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic diagram of the circuit of the present invention.

In the figure: 1. a singlechip body; 2. an infrared receiving device; 3. a register; 4. a power supply module; 5. an alternating current input interface; 6. an EMI anti-interference circuit; 7. an isolation transformer; 8. a feedback circuit; 9. a 45V power output interface; 10. a 5V power output interface; 11. a dimming circuit; 12. a luminaire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the infrared dimming and color mixing RGB drive circuit is characterized in that RGB output ports of the single chip microcomputer body 1 are electrically connected with a dimming circuit through signal lines, an infrared receiving device 2 is arranged at an infrared input port of the single chip microcomputer body 1, registers 3 are electrically connected to two ends of a serial bus formed by an SDA data line port of the single chip microcomputer body 1 and an SC L clock signal line port, the power supply port of the single chip microcomputer body 1 is electrically connected with the power supply module 4, the power supply module 4 comprises an alternating current input interface 5, the alternating current input interface 5 is connected into the EMI anti-interference circuit 6 through a fuse, the EMI anti-interference circuit 6 is connected into the isolation transformer 7 through a rectifier filter circuit, a feedback circuit 8 is arranged inside the isolation transformer 7, the feedback circuit 8 comprises a PWM-controlled switch tube circuit, and a power supply output port is arranged at an output end of the isolation transformer 7.

The power output port comprises a 45V power output interface 9 electrically connected with the isolation transformer 7 through the rectifier filter circuit and a 5V power output interface 10 electrically connected with the isolation transformer 7 through the rectifier filter circuit, and can be adapted to electric appliances with different voltage requirements.

The dimming circuit 11 includes a yellow light dimming circuit, a white light dimming circuit, a red light dimming circuit, a green light dimming circuit and a blue light dimming circuit, and a lamp 12 is disposed outside the dimming circuit.

The lamp 12 includes a yellow light lamp having a cathode electrically connected to the yellow light dimming circuit, a white light lamp having a cathode electrically connected to the white light dimming circuit, a red light lamp having a cathode electrically connected to the red light dimming circuit, a green light lamp having a cathode electrically connected to the green light dimming circuit, and a blue light lamp having a cathode electrically connected to the blue light dimming circuit.

The power supply interfaces of the infrared receiving device 2, the register 3 and the singlechip body 1 are electrically connected with the 5V power supply output interface 10, and the anode of the lamp 12 is electrically connected with the 45V power supply output interface 9, so that the lamp 12 can be controlled and adjusted conveniently.

A voltage detection circuit and a current detection circuit are arranged outside the PWM controlled switching tube circuit, so that the current and voltage can be conveniently detected.

Alternating current is transmitted to an EMI anti-interference circuit 6 through an alternating current input interface 5 and a fuse to filter noise, then a direct current high voltage is obtained through rectification and filtering to provide energy for the circuit, PWM controls an output signal to be sent to a switching tube to be switched on and off, and the output signal is output through an isolation transformer 7 to be rectified and filtered again to be sent to a lamp 12 to be powered. Meanwhile, the feedback circuit 8 detects that the output voltage is within a set value, and if the output voltage exceeds the set range, the PWM signal is adjusted to control. The current feedback circuit 8 is used for controlling the power of the whole machine, and can adjust the PWM signal to control the output of rectification and filtering when exceeding a set range, and is divided into two paths, namely a 45V power supply output interface 9 for a lamp 12 and a 5V power supply output interface 10 for a singlechip circuit, and the current feedback circuit controls a rear dimming circuit 11 by decoding and outputting corresponding signals through the singlechip body 1. The register 3 memorizes the state before turning off the lamp, and the yellow/white/red/green/blue 5-way dimming circuit 11 receives the signal of the singlechip body 1 to carry out switching, dimming and color mixing.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The infrared dimming and color mixing RGB drive circuit comprises a single-chip microcomputer body (1), an infrared receiving device (2), a register (3), a power module (4), an alternating current input interface (5), an EMI anti-interference circuit (6), an isolation transformer (7), a feedback circuit (8), a 45V power output interface (9), a 5V power output interface (10), a dimming circuit (11) and a lamp (12), and is characterized in that the RGB output port of the single-chip microcomputer body (1) is electrically connected with the dimming circuit through a signal line, the infrared input port of the single-chip microcomputer body (1) is provided with the infrared receiving device (2), two ends of a serial bus formed by a SDA data line port of the single-chip microcomputer body (1) and an SC L clock line port are electrically connected with the register (3), the power port of the single-chip microcomputer body (1) is electrically connected with the power module (4), the power module (4) comprises the alternating current input interface (5), the alternating current input interface (5) is connected with the EMI anti-interference circuit (6) through a fuse, the EMI anti-interference circuit (6) is connected with the isolation transformer (7) through a rectifier filter circuit, the internal of the isolation transformer (7) is provided with the feedback circuit, and the PWM switch circuit (8) is.

2. The infrared light and color adjusting RGB driving circuit device as claimed in claim 1, wherein: the power output port comprises a 45V power output interface (9) electrically connected with the isolation transformer (7) through the rectifying and filtering circuit and a 5V power output interface (10) electrically connected with the isolation transformer (7) through the rectifying and filtering circuit.

3. The infrared light and color adjusting RGB driving circuit device as claimed in claim 1, wherein: the dimming circuit (11) comprises a yellow light dimming circuit, a white light dimming circuit, a red light dimming circuit, a green light dimming circuit and a blue light dimming circuit, and a lamp (12) is arranged outside the dimming circuit.

4. The infrared light and color adjusting RGB driving circuit device as claimed in claim 3, wherein: the lamp (12) comprises a yellow light lamp with a cathode electrically connected with the yellow light dimming circuit, a white light lamp with a cathode electrically connected with the white light dimming circuit, a red light lamp with a cathode electrically connected with the red light dimming circuit, a green light lamp with a cathode electrically connected with the green light dimming circuit, and a blue light lamp with a cathode electrically connected with the blue light dimming circuit.

5. The infrared light and color adjusting RGB driving circuit device as claimed in claim 1, wherein: the power supply interfaces of the infrared receiving device (2), the register (3) and the single chip microcomputer body (1) are electrically connected with the 5V power supply output interface (10), and the anode of the lamp (12) is electrically connected with the 45V power supply output interface (9).

6. The infrared light and color adjusting RGB driving circuit device as claimed in claim 1, wherein: and a voltage detection circuit and a current detection circuit are arranged outside the PWM controlled switching tube circuit.