CN204887530U - Multiplexed output LED long -distance intelligent control power of adjusting luminance - Google Patents

Multiplexed output LED long -distance intelligent control power of adjusting luminance Download PDF

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Publication number
CN204887530U
CN204887530U CN201520302292.4U CN201520302292U CN204887530U CN 204887530 U CN204887530 U CN 204887530U CN 201520302292 U CN201520302292 U CN 201520302292U CN 204887530 U CN204887530 U CN 204887530U
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module
circuit
constant
voltage
intelligent control
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余从刚
伍永乐
郭怀峰
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Guangdong Kailesi Optoelectronics Technology Co Ltd
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Guangdong Kailesi Optoelectronics Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The utility model discloses a multiplexed output LED long -distance intelligent control power of adjusting luminance specifically includes: the AC -DC module, the wiFi module, 5V voltage power module and PWM produce the module, and at least one DC -DC module or RGB switching regulator module, this drive power supply turns into the electric main behind the direct current, then light LED lamp pearl through DC -DC module production constant current source or RGB switching regulator module production constant voltage, the constant current power supply can prolong the life -span of LED lamp pearl, and do not change the colour temperature, satisfy the theory of high -quality healthy light source, through wiFi module receive wireless signals, wiFi module output multichannel PWM signal is the size of each way output constant -current module electric current of control source respectively, realizes long -distance intelligent control, can satisfy the LED lamps and lanterns of the parallelly connected framework of positive pole altogether, the modularization circuit design of adoption compatibility simultaneously, the cost of each links such as the development of reduction product and production.

Description

Multiple-channel output LED long-distance intelligent control dimming power source
Technical field
The utility model relates to the driving power technical field of semiconductor lighting, belongs to driving power technical field, is specifically related to one and has multiple-channel output LED long-distance intelligent control dimming power source.
Background technology
Semiconductor lighting, also known as solid-state illumination, mainly refers to the luminous two pipe (High of high-power and high-luminance
-BrightnessLightEmittingDiode, HB-LED) as the illumination of light source.LED has that luminous efficiency is high, volume is little, lightweight, good in optical property, life-span long (about 100,000 hours), advantages of environment protection, is the new generation of green Energy--Saving Illuminating Source having development prospect.
Even if existing market is single channel output or multiple-channel output is mostly all to adjust light-source brightness, along with the decline of LED illumination price, and meet the requirement of energy-saving and emission-reduction further, LED intelligent dimming will be increased fast in commercial lighting application, estimate present Exponential growth in 2015 to 2016 years, therefore intelligent dimming power supply is following development trend; The simultaneously development of LED industry technology and popularization, Material Cost will decline fast, but contrary one side, the costs such as the cost of labor of producing and material logistics can rise, and occupy 30% to 40% of whole product cost price, even can to 50%, therefore the design of this multiple-channel output is just for meeting demand for experience that people throw light ons to the modern times and product cost two consideration.
Utility model content
The purpose of this utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of multiple-channel output LED long-distance intelligent control dimming power source.
The purpose of this utility model is achieved through the following technical solutions:
One has multiple-channel output LED long-distance intelligent control dimming power source, and described dimming power source comprises: AC-DC module, WiFi module, 5V power voltage supply module and PWM generation module, and at least one DC-DC module or RGB switch-mode regulation module; Described AC-DC module, for realizing the function alternating current of input being converted to constant dc, and respectively with described 5V power voltage supply module, PWM generation module and each DC-DC module or RGB switch-mode regulation model calling;
Described WiFi module, for wireless receiving external command, then sends the MCU control chip in described PWM generation module to by instruction;
Described 5V power voltage supply module, for the low voltage constant exported in described AC-DC module direct current is converted to constant 5V voltage, and is connected with described WiFi module and PWM generation module respectively, realizes function of supplying power;
Described PWM generation module, for realizing pwm signal drived control function, and respectively with DC-DC module described in each or RGB switch-mode regulation model calling;
Described DC-DC module drives outside LED particle module for generation of constant direct current diffluence;
Described RGB switch-mode regulation module goes to drive outside LED particle module for generation of constant direct voltage.
Further, described AC-DC module comprises: AC front end input circuit, codan importation, rectification circuit, lightning surge absorbing circuit, ∏ filter circuit, codan output, transformer isolation circuit for power conversion;
Described AC front end input circuit comprises fuse FUSE, piezo-resistance VR1 and thermistor NTC, for preventing the absorption of the lightning surge of front end input AC electricity;
Described codan importation and described codan output are all for EMI filtering and EMC filtering;
After the rectifier bridge that described rectification circuit is consisted of four rectifier diodes, ac voltage rectifier is become high voltage direct current;
Described lightning surge absorbing circuit, for being absorbed in the conduction electrical network mesohigh spike energy produced when thunderbolt arrives, prevents from scurrying into described dimming power source inside circuit damage components and parts;
Described transformer isolation circuit for power conversion is used for constant voltage conversion, and described high voltage direct current is converted to low voltage constant direct current.
Further, described PWM generation module comprises: STM32F101C8T6 single-chip microcomputer, reset circuit, crystal oscillating circuit, indicator light circuit.
Further, described WiFi module comprises chip AR9331, DDR chips W 9425G6JH-5 and FLASH chip S25FL032.
Further, described DC-DC module comprises common anode constant current chip MBI6662, and the working method of this module drive LED particle module is constant current.
Further, the working method of described RGB switch-mode regulation module drive LED particle module is constant voltage.
Further, described dimming power source comprises three DC-DC module or RGB switch-mode regulation module.
The utility model has following advantage and effect relative to prior art:
1) adopt PWM digital dimming, more than 256 grades light modulations can be reached, make the change of light very soft, flicker, ladder sense can not be there is.
2) integrating WIFI Wireless remote control, allows terminal use can use smart mobile phone and panel computer, adds more property function as required and strengthens the experience of telemanagement, as the control etc. at high-quality illumination adjustment, atmosphere and scene.
3) design of this drive circuit adopts modularized design, be divided into AC-DC module, DC-DC(or RGB switch-mode regulation) module, WiFi module, 5V power voltage supply module and PWM generation module, modules is based on AC-DC module, can independent separate, according to function needs, whether unrestricted choice installs these functional modules, realizes modules and can produce separately, gets the raw materials ready and keep in repair.
4) this drive circuit design peak power output is 60W, but consider LED power power factor (PF) and life requirements, therefore in order to better take into account these technical indicators and meet each power section demand in 60W, have employed Seriation Design, during PCB design, transformer replaces, output electrochemical capacitor and rectifying tube, in quantity and specification, consider the temperature rise design of the harshest situation (12V/5A).
5) output on maximum three tunnels is supported in the design of this drive circuit, therefore three DC-DC module or RGB switch-mode regulation module can be configured, or two or single, but must be the module of identical type, in DC-DC part constant current scheme selection, have employed the maximum constant current 2A of fan-out capability, the maximum 60V's of input voltage can common anode constant current chip MBI6662, can the compatible RGB driving switch adjustable plate adopting constant pressure adjust mode at present on the market, DC-DC constant current plate can be used, so the market overwhelming majority string of LED can be met completely and the driving demand of mode simultaneously.
In sum, remote wireless control function is supported in the design of this drive circuit, and can meet Consumer's Experience, have employed modularization compatible design, reduce the cost of the development and production links of product to a great extent, circuit structure is simple simultaneously, output performance is good, and cost is low, and volume is little.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of multiple-channel output LED long-distance intelligent control dimming power source in the utility model.
Fig. 2 is the circuit theory diagrams of AC-DC module in the present embodiment.
Fig. 3 is the circuit theory diagrams of 5V power voltage supply module and PWM generation module in the present embodiment.
Fig. 4 is the circuit theory diagrams of DC-DC module in the present embodiment.
Fig. 5 is the circuit theory diagrams of RGB switch-mode regulation module in the present embodiment.
Fig. 6 is the structure composition frame chart of the WiFi module in the present embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, clearly, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
Refer to Fig. 1, Fig. 1 is a kind of circuit structure block diagram with multiple-channel output LED long-distance intelligent control dimming power source in the present embodiment one.This driving power design employing more than 256 grades PWM digital dimmings, integrated WiFi module realizes wireless remote intelligent controlling functions, and this driving power circuit supports that the LED of multichannel exports, and in circuit disclosed in the present embodiment, supports that at most three paths of LEDs export.
As shown in Figure 1, the design of this drive circuit adopts modularized design, specifically comprise AC-DC module, DC-DC module or RGB switch-mode regulation module, WiFi module, 5V power voltage supply module and PWM generation module, above modules take AC-DC module as mainboard and each expansion interface with it on mainboard is connected, can independent separate.
AC-DC module; for realizing the high efficiency translation function exchanging Constant Direct Current; play isolation, protection, voltage transformation, pressure stabilization function; specifically comprise AC front end input circuit, codan importation, rectification circuit; lightning surge absorbing circuit; ∏ filter circuit, codan output, transformer isolation circuit for power conversion.
As shown in Figure 2, Fig. 2 is the circuit theory diagrams of AC-DC module in the present embodiment.
External communication electricity (90Vac--264Vac) enters through illuminating line and comprises fuse (FUSE), after the AC front end input circuit process of piezo-resistance (VR1) and thermistor (NTC), through codan importation (common mode inductance LF1, common mode inductance LF2, electric capacity CX2) carry out EMI filtering, rectification (BR1) is carried out by rectification circuit, after the rectifier bridge that now AC alternating current is consisted of four rectifier diodes, ac voltage rectifier is become high voltage direct current, then by lightning surge absorbing circuit (diode D1, electric capacity EC7), through codan output (common mode inductance LF3), again by transformer isolation circuit for power conversion (transformer T1, U1 chip SD7530, metal-oxide-semiconductor Q1, diode D3, diode D4 and its periphery components and parts) carry out constant voltage conversion, by the high voltage direct current after rectifier bridge, be converted to low voltage constant direct current.
Wherein, codan importation and codan output are all for EMI filtering and EMC filtering, the noise controlling electric network noise and self produce, the wherein voltage of bleeder resistance R14 and R15 after shutdown of releasing on electric capacity CX2, electric capacity CX2 is for eliminating differential mode interference, and common mode inductance LF1, common mode inductance LF2, common mode inductance LF3 are for eliminating common and different mode interference.
Wherein, lightning surge absorbing circuit, for being absorbed in the conduction electrical network mesohigh spike energy produced when thunderbolt arrives, prevents from scurrying into power source internal damage components and parts.
AC-DC module mainboard also comprises interface CON1, interface CON2, interface CON3, three interfaces on mainboard as DC-DC module or RGB switch-mode regulation module; Interface H1 represents PWM and exports and the interface of 5V voltage generating module on mainboard, due in the present embodiment by PWM generation module and 5V voltage generating module on a circuit board integrated, therefore PWM output module is connected with AC-DC module mainboard by interface H1 with the unification of 5V voltage generating module; Interface H2 represents the interface of WiFi module on mainboard.
As shown in Figure 3, Fig. 3 is the circuit theory diagrams of 5V power voltage supply module and PWM generation module in the present embodiment, and in the present embodiment, 5V power voltage supply module and PWM generation module are integrated in same PCB.
5V power voltage supply module is connected with AC-DC module by interface H1, for will the low voltage constant direct current that obtain after the conversion of transformer isolation circuit for power conversion constant voltage in AC-DC module, be converted to constant 5V voltage and power to the single-chip microcomputer STM32F101C8T6 in the chip AR9331 of the master control in WiFi module and radio communication function and PWM generation module.
PWM generation module respectively with DC-DC module or RGB switch-mode regulation model calling, carry out pwm signal drive brightness adjustment control.PWM is the english abbreviation of pulse width modulation, refers to the ratio in one-period shared by lighting time.This cycle is very short or say that frequency is very high, at least will exceed the photosensitive reaction speed of human eye.Driven by external PWM signal to carry out light modulation to LED, refer to and adjust the method for average perceived brightness by the go out ratio of time of adjustment lamp bright time and lamp.In small timeslice, lamp is standard-sized sheet or is complete shut-down, does not have half-open intermediateness.PWM light modulation can be stepping, and also can be stepless, the wherein electrodeless meaning refers to continually varying, distinguishes over transition formula or stepping.Single-chip microcomputer 8 PWM can realize entirely low, overall height level and duty ratio from the PWM waveform of 1/256-255/256, and when the brightness setting lamp is 100 grade, if the just simple PWM value calculating each brightness with 255/100, the light recalled like this has flicker and gradient sense is very strong, brightness and the PWM value of LED are not linear relations, according to PWM= algorithm calculate PWM value, wherein X is brightness value.The present embodiment adopts more than 256 grades non-pole light regulatings, makes LED lamplight very soft and does not have ladder sense.
As shown in Figure 3, the circuit of PWM generation module comprises: STM32F101C8T6 single-chip microcomputer, reset circuit, crystal oscillating circuit, indicator light circuit.Wherein STM32F101C8T6 single-chip microcomputer belongs to TM32F101 series microprocessor, and STMicroelectronicsSTM32F101, based on ARMCortex M3 microcontroller, comprises band up to 80KBSRAM and the 36MHzCPU up to 1MB flash memory.STM32ARMCortex-M332 bit flash memory low-density Series MCU produces low-power, low-voltage also combines the unfailing performance with real-time function.
STM32F1 series high-level architecture and STM32 platform intergration, allow the design of low power applications.There is the ARMCortex-M3 core processor of embedded flash memory and SRAM and all ARM instruments and softwarecompatible.ARM/RISC32 bit processor band 16 bit timer of ST, 12 ADC, 12 DAC and communication interfaces (I2C, SPI and USART), be specially adapted to handheld device; PC and game peripheral; Warning system; PLC and commercial Application and application controls and user interface.This chip operating temperature scope :-40 to+85 ° of C, low-voltage reaches: 2V to 3.6V.
Chip exterior input end of clock mouth XTAL1, XTAL2 corresponding single-chip microcomputer STM32F101C8T6 chip 6,7 pin, external crystal-controlled oscillation Y1 is connected between two ports, crystal oscillator frequency is 8MHz, and port x TAL1, XTAL2 connect ground capacity C5, C6 respectively, and capacitance size is 30PF.
Wherein 1 pin of CON interface is power interface, meets VCC_3.3V, and 6 pin are the 5V voltage output interface of 5V power voltage supply module, the 8 pin analog digital GND ports of the corresponding single-chip microcomputer STM32F101C8T6 of CON interface 2 pin and 9 pin and 23 35 pin numeral GND ports,
CON interface 34 the corresponding single-chip microcomputer STM32F101C8T6 of 5 pin 18 12 13 pin, export PWM as PWM_R, PWM_G, PWM_B and mix colours control signal to RGB switch-mode regulation module; CON interface 10 11 12 pin connect single-chip microcomputer STM32F101C8T6 44 29 GPIO1 corresponding to 45 pin GPIO2 GPIO3 port, output to DC-DC module as PWM dim signal.
The 22 pin TX ports of the corresponding single-chip microcomputer STM32F101C8T6 of CON interface 7 pin, the 23 pin RX ports of the corresponding single-chip microcomputer STM32F101C8T6 of CON interface 8 pin, and whether set up communication link with WiFi module by the port level condition selecting inquiring about single-chip microcomputer STM32F101C8T6 corresponding to CON interface 13 pin, and wait for that user transmits new data control from flat board, mobile phone, control panel.
Wherein, single-chip microcomputer STM32F101C8T6 1 24 36 48 pin as the digital power port of chip, external VCC_3.3V power supply, 42 pin are respectively by the external VCC_3.3V power supply of light-emitting diode D3 and 1k resistance R3, and D3 is as power supply indicator.The 7 pin NRST ports of single-chip microcomputer STC12C5608AD are reseting port, this port by ground connection after connecting with electric capacity C3, simultaneously by connect the composition reset circuit that is connected with input VCC_3.3V afterwards with 1k resistance R13.
As shown in Figure 4, DC-DC module produces constant electric current and removes driving LED particle module, comprise LED drive integrated circult MBI6662, be mainly used in DC-DC reduction voltage circuit, power factor PF can reach more than 90%, concrete high stability, the feature of high resistance to pressure is the first-selected drive integrated circult chip of reduction voltage circuit.
The maximum constant current 2A of fan-out capability of chip MBI6662, the maximum 60V of input voltage, its feature comprises the anode connecting LED lamp bead and reaches simplification distribution to reduce costs, for high-efficiency constant-current voltage-dropping type DC/DC transducer driving chip, it is applicable to drive high-capacity LED, and the fixed-frequency control technology adopting magnetic hysteresis broadband adjustable and common anode pole connection scheme is provided.Chip MBI6662 output current can pass through non-essential resistance and sets, and pulse-width modulation (PWM) signal that can connect from PWM generation module at DIM pin carries out brightness adjustment control.In addition; starting overcurrent protective device (Start-Up) function can the burst current of limited chip because producing during power initiation; simultaneously MBI6662 also provides under voltage to lock protection (UVLO), overheat protector (OTP) and excess current protective function (OCP), damages when abnormal running to avoid chip.For guaranteeing the stability of a system, MBI6662 also provides overheated power-off protection function (TSD), under overheated condition, by the built-in MOSFET of shutoff, to reach the object of protect IC.DFN-10 and SOP-10 that MBI6662 provides thermal diffusivity good at present two kinds encapsulation.
As shown in Figure 5, RGB switch-mode regulation module is completely compatible with DC-DC module on the interface of pin position, so the two can exchange as required, just when using RGB switch-mode regulation module, the mode of driving LED particle module is not constant current, but constant voltage.Pulse-width modulation (PWM) signal from PWM generation module is connected with the base stage of PNP triode MMBT4403 with NPN triode MMBT4401 respectively by 39R resistance R3, carries out toning and controls.
As shown in Figure 6, in the present embodiment, WiFi modular circuit comprises and produces chip AR9331, DDR chips W 9425G6JH-5 of highly integrated master control and radio communication function and FLASH chip S25FL032 by Atheros company and form.AR9331 is mainly used in WLAN (wireless local area network) and router platform, complete compatible IEEE802.11n1 × 1 wireless communication standard and router feature on a single die, the MIPS of processor 24K reaches as high as the processing speed of 400MHZ, there is the external interface of DDR1, DDR2, SDRAM of 16, support that SPI and NORFLASH communicates, 4 LAN mouths and 1 WAN mouth, UART at a high speed, I2S/SPDIF audio output interface, supports USB2.0 interface, 25M or 40M reference clock inputs.WiFi module is not only to realize radio communication, and it can equally realize being combined with lower floor control module according to communication protocol realizing multiple intelligentized control method by similar wireless router.
This driving power prevailing topology adopts single-stage PFC more popular at present, power factor correction can be carried out, meet safety and require (25W mains lighting supply power factor is greater than for power and is greater than 0.9), peak power output is 60W, but consider that LED power power factor (PF) and life-span (depend on electrochemical capacitor, except electric capacity self performance parameter, the more important thing is the size of the ripple current that single electric capacity bears) requirement, therefore in order to better take into account these technical indicators and meet each power section demand in 60W, have employed Seriation Design, during PCB design, transformer replaces, output electrochemical capacitor and rectifying tube are in quantity and specification, consider the temperature rise design of the harshest situation (12V/5A).
In brief, after electric main is converted into direct current by this driving power, then light LED lamp bead through DC-DC constant block generation constant current or RGB switch-mode regulation module constant voltage, constant current-supplying can extend the life-span of LED lamp bead, and do not change colour temperature, meet the theory of the healthy light source of high-quality; Therefore DC-DC module is first-selected; But the light source of the RGB light bar had on the market and so on is the most handy RGB switch-mode regulation module constant voltage to be lighted, because of for convenience of regulating light bar length, if drive with DC-DC constant flow module, then at will length can not be regulated; Select so concrete to be drive to light or driven by RGB switch-mode regulation module constant voltage by DC-DC constant flow module to light, will select according to the difference of driving light source.
Power supply receives wireless control directives itself by WiFi module, WiFi module exports the size that three road pwm signals control power supply each road output constant current blocks current respectively, difference according to three road pwm signals will produce various effect, the time of the various brightness in each road can be controlled, can scenery control etc. be carried out.In sum, this driving power supports long-distance intelligent control, can meet the LED lamp that common anode pole parallel configurations is adopted in lamp source, have employed compatible modularized circuit design simultaneously, can reduce the cost of the links such as the development and production of product to a great extent.
Above-described embodiment is the utility model preferably execution mode; but execution mode of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.

Claims (7)

1. a multiple-channel output LED long-distance intelligent control dimming power source, is characterized in that, described dimming power source comprises: AC-DC module, WiFi module, 5V power voltage supply module and PWM generation module, and at least one DC-DC module or RGB switch-mode regulation module,
Described AC-DC module, for realizing the function alternating current of input being converted to constant dc, and respectively with described 5V power voltage supply module, PWM generation module and each DC-DC module or RGB switch-mode regulation model calling;
Described WiFi module, for wireless receiving external command, then sends the MCU control chip in described PWM generation module to by instruction;
Described 5V power voltage supply module, for the low voltage constant exported in described AC-DC module direct current is converted to constant 5V voltage, and is connected with described WiFi module and PWM generation module respectively, realizes function of supplying power;
Described PWM generation module, for realizing pwm signal drived control function, and respectively with DC-DC module described in each or RGB switch-mode regulation model calling;
Described DC-DC module drives outside LED particle module for generation of constant direct current diffluence;
Described RGB switch-mode regulation module goes to drive outside LED particle module for generation of constant direct voltage.
2. multiple-channel output LED long-distance intelligent control dimming power source according to claim 1, it is characterized in that, described AC-DC module comprises: AC front end input circuit, codan importation, rectification circuit, lightning surge absorbing circuit, ∏ filter circuit, codan output, transformer isolation circuit for power conversion
Described AC front end input circuit comprises fuse FUSE, piezo-resistance VR1 and thermistor NTC, for preventing the absorption of the lightning surge of front end input AC electricity;
Described codan importation and described codan output are all for EMI filtering and EMC filtering;
After the rectifier bridge that described rectification circuit is consisted of four rectifier diodes, ac voltage rectifier is become high voltage direct current;
Described lightning surge absorbing circuit, for being absorbed in the conduction electrical network mesohigh spike energy produced when thunderbolt arrives, prevents from scurrying into described dimming power source inside circuit damage components and parts;
Described transformer isolation circuit for power conversion is used for constant voltage conversion, and described high voltage direct current is converted to low voltage constant direct current.
3. multiple-channel output LED long-distance intelligent control dimming power source according to claim 1 and 2, is characterized in that,
Described PWM generation module comprises: STM32F101C8T6 single-chip microcomputer, reset circuit, crystal oscillating circuit, indicator light circuit.
4. multiple-channel output LED long-distance intelligent control dimming power source according to claim 1 and 2, is characterized in that,
Described WiFi module comprises chip AR9331, DDR chips W 9425G6JH-5 and FLASH chip S25FL032.
5. multiple-channel output LED long-distance intelligent control dimming power source according to claim 1 and 2, is characterized in that,
Described DC-DC module comprises common anode constant current chip MBI6662, and the working method of this module drive LED particle module is constant current.
6. multiple-channel output LED long-distance intelligent control dimming power source according to claim 1 and 2, is characterized in that,
The working method of described RGB switch-mode regulation module drive LED particle module is constant voltage.
7. multiple-channel output LED long-distance intelligent control dimming power source according to claim 1 and 2, is characterized in that,
Described dimming power source comprises three DC-DC module or RGB switch-mode regulation module.
CN201520302292.4U 2015-05-12 2015-05-12 Multiplexed output LED long -distance intelligent control power of adjusting luminance Expired - Fee Related CN204887530U (en)

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CN107046749A (en) * 2017-05-09 2017-08-15 湖北科技学院 A kind of intelligent ceiling lamp based on bluetooth
CN107124789A (en) * 2017-05-11 2017-09-01 郑州珂玛影视光电有限公司 The Jing Yin drive circuits of the LED of illumination and adjustable color of Width funtion multichannel input
WO2019148526A1 (en) * 2018-01-31 2019-08-08 江苏飞天照明有限公司 Rgb synchronous smart fairy lights
CN109089359A (en) * 2018-08-22 2018-12-25 江苏优为视界科技有限公司 A kind of SCM Based fluorescent lamp automatic light modulation device
WO2020181850A1 (en) * 2019-03-14 2020-09-17 苏州德龙激光股份有限公司 Four-channel led light source controller based on usb communication

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