CN111083827A - LED intelligent light and color adjusting circuit - Google Patents
LED intelligent light and color adjusting circuit Download PDFInfo
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- CN111083827A CN111083827A CN201911379910.4A CN201911379910A CN111083827A CN 111083827 A CN111083827 A CN 111083827A CN 201911379910 A CN201911379910 A CN 201911379910A CN 111083827 A CN111083827 A CN 111083827A
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- 238000004804 winding Methods 0.000 claims description 10
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- SBUYBNIDQXQZSZ-UHFFFAOYSA-N p-aminophenylphosphocholine Chemical compound C[N+](C)(C)CCOP([O-])(=O)OC1=CC=C(N)C=C1 SBUYBNIDQXQZSZ-UHFFFAOYSA-N 0.000 description 2
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Abstract
The utility model relates to a LED intelligent light and color mixing circuit, characterized by is by power supply circuit, LED colour temperature regulating circuit one, LED colour temperature regulating circuit two, APP control circuit constitutes, power supply circuit comprises rectifier filter circuit, power module, steady voltage output circuit, rectifier filter circuit output connects the power module input, power module output connects steady voltage output circuit, power supply circuit's +18V output is as LED colour temperature regulating circuit two powers, the linear steady voltage chip output of low-voltage difference is as APP control circuit power, rectifier filter circuit's bridge type rectification output is as LED colour temperature regulating circuit power, APP control circuit's C, W foot connects the C, W input foot of LED colour temperature regulating circuit one respectively, the C, W output foot of LED colour temperature regulating circuit one connects the LED white light lamp pearl C, W negative pole of LED banks respectively, APP control circuit's R, G, B foot connects the R colour temperature of LED colour temperature regulating circuit two respectively, G. And the B input pin and the R, G, B output pin of the LED color temperature adjusting circuit II are respectively connected with the cathode of an LED color light lamp bead R, G, B of the LED lamp group. Advantages and technical effects of the present application.
Description
Technical Field
The application relates to an LED intelligent light and color adjusting circuit which is mainly suitable for an LED control circuit.
Background
The power supply of an isolation switch power supply is mostly adopted in the general intelligent dimming color mixing scheme on the market, the mains supply is converted into low-voltage output after being reduced in voltage, the lamp bead is powered on all the way, and the power is supplied to the control module through the DCDC constant-voltage circuit conversion into 3.3V all the way. However, such isolated power supply has high power and high cost, and has high requirement on the wiring of a PCB of an engineer, otherwise the EMC circuit is easy to deteriorate, and the rectification cost is increased.
Disclosure of Invention
The technical problem that this application was solved is overcome the above-mentioned not enough that exists among the prior art, and provides a structure succinct, furthest reduce cost, and peripheral component is few, guarantees stable performance's LED intelligent light modulation mixing of colors circuit.
The technical scheme adopted by the application for solving the technical problems is as follows:
the utility model provides a LED intelligence dimming mixing of colors circuit, characterized by comprises power supply circuit, LED colour temperature regulating circuit one, LED colour temperature regulating circuit two, APP control circuit, power supply circuit comprises rectifier filter circuit, power module, steady voltage output circuit, and rectifier filter circuit output connects the power module input, and power module output connects steady voltage output circuit, steady voltage output circuit comprises diode two, electrolytic capacitor three, rectifier diode one, transformer, electrolytic capacitor four, electric capacity one, resistance four, diode three, electrolytic capacitor five, the linear voltage stabilizing chip of low-voltage difference, electrolytic capacitor six, electric capacity two, and digital ground is connected the power module ground through diode two, and power module output connects three positive poles of electrolytic capacitor, rectifier diode one positive pole, and rectifier diode one negative pole connects diode one negative pole, and diode one positive pole connects four positive poles of electrolytic capacitor, One end of a first capacitor, one end of a fourth resistor, a second power supply of an LED color temperature adjusting circuit and connected to three cathodes of an electrolytic capacitor and a power supply module ground through a transformer input winding, wherein one end of a transformer output winding is connected with the four cathodes of the electrolytic capacitor, the other end of the capacitor and the other end of the four resistors are connected with a digital ground in parallel, the other end of the transformer output winding is connected with three anodes of a diode, the three cathodes of the diode are connected with five anodes of the electrolytic capacitor and input of a low-voltage-difference linear voltage stabilizing chip, the output of the low-voltage-difference linear voltage stabilizing chip is connected with six anodes of the electrolytic capacitor, one end of a second capacitor and an APP control circuit power supply, the five cathodes of the electrolytic capacitor, the low-voltage-difference linear voltage stabilizing chip ground, six cathodes of the electrolytic capacitor and the other end of the second capacitor are connected with the digital ground, the APP control circuit power supply is connected with, The LED color light lamp bead anode of the LED lamp group, the C pin and the W pin of the APP control circuit are respectively connected with the C, W input pin of the LED color temperature adjusting circuit I, the C, W output pin of the LED color temperature adjusting circuit I is respectively connected with the LED white light lamp bead LED-C, LED-W negative electrode (two negative electrodes of C, W of the LED white light lamp bead), the R pin, the G pin and the B pin of the APP control circuit are respectively connected with the R, G, B input pin of the LED color temperature adjusting circuit II, and the R, G, B output pin of the LED color temperature adjusting circuit II is respectively connected with the LED color light lamp bead LED-R, LED-G, LED-B negative electrode (three negative electrodes of R, G, B of the LED color light lamp bead).
The power supply module adopts a non-isolated voltage reduction chip SM7075-18 to convert commercial power into a low-voltage +18V LED color temperature regulating circuit II power supply; the low-dropout linear voltage regulation chip adopts SM1333 and outputs +3.3V APP control circuit power.
The LED color temperature adjusting circuit I comprises an LED color temperature adjusting module I, a resistor five, a resistor six, a resistor seven, a resistor eight, a resistor nine, a capacitor six and a capacitor seven, wherein the LED color temperature adjusting module I adopts a dual-channel dimmable linear constant current control chip SM2123, a bridge rectification output of a rectification filter circuit is connected with one end of the resistor five and an anode of an LED white light lamp bead, an LED-C cathode of the LED white light lamp bead is respectively connected with 6 pins of the SM2123 and one end of the capacitor seven, an LED-W cathode of the LED white light lamp bead is respectively connected with 5 pins of the SM2123 and one end of the capacitor six, the other end of the capacitor six and the other end of the capacitor seven are connected with a digital ground, the other end of the resistor five is connected with 8 pins of the SM2123, 7 pins of the SM2123 are suspended, 1 and 3 pins of the SM2123 are respectively connected with a C pin and a W pin of an APP control circuit, 2 pins of the SM2123 are respectively connected, the 4 feet of the SM2123 are respectively connected with one end of the eight resistor and one end of the nine resistor, and the other end of the eight resistor and the other end of the nine resistor are connected with a digital ground.
This application LED colour temperature regulating circuit two is adjusted the module by LED colour temperature two, ten, eleven, twelve, thirteen, fourteen, fifteen, electric capacity three, four constitutions of electric capacity, LED colour temperature is adjusted module two and is adopted three channel LED constant current drive control chip SM15133, two power connections of LED colour temperature regulating circuit one end, ten one end of electric capacity, the anodal of LED glory lamp pearl of electric capacity three, ten other ends of electric capacity connect 1 foot, four one end of electric capacity of SM15133 respectively, three other ends of electric capacity, four other end terminations of electric capacity are digital, SM 15133's 2, 3, 4 feet connect APP control circuit's R foot, G foot, B foot respectively, SM 15133's 5 feet connect the one end of resistance fourteen, the one end of resistance fifteen respectively, SM 15133 's 6, 7, 8 feet connect LED glory LED-R, LED-G, LED-B negative pole respectively.
This application APP control circuit comprises electric capacity five, APP control module group for with the interconnected communication of cell-phone, for prior art, make things convenient for the intelligent control of LED banks.
Compared with the prior art, the application has the following advantages and effects: the structure is simple, the cost is reduced to the maximum extent, the number of peripheral elements is small, and the performance is stable and reliable.
Drawings
Fig. 1 is a schematic circuit diagram of an embodiment of the present application.
Fig. 2 is a schematic circuit diagram of a power supply circuit and an APP control circuit according to an embodiment of the present application.
Fig. 3 is a schematic circuit diagram of a first LED color temperature adjustment circuit according to an embodiment of the present application.
Fig. 4 is a schematic circuit diagram of a second LED color temperature adjusting circuit according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of examples, which are illustrative of the present application and are not limited to the following examples.
Referring to fig. 1-4, this embodiment is by power supply circuit, LED colour temperature regulating circuit one, LED colour temperature regulating circuit two, APP control circuit constitutes, power supply circuit's APP control circuit power (+ 3.3V output) connects APP control circuit, power supply circuit bridge rectifier BD1 output HV connects LED colour temperature regulating circuit one, power supply circuit's LED colour temperature regulating circuit two power (+ 18V output) connects LED colour temperature regulating circuit two, the C foot (cold colour temperature C) of APP control circuit, the cold colour temperature C that the W foot (cold colour temperature W) connects LED colour temperature regulating circuit one respectively, cold colour temperature W input foot, the R foot (ruddiness) of APP control circuit, the G foot (green glow), the B foot (blue light) connects the RGB input foot of LED colour temperature regulating circuit two respectively.
The power supply circuit consists of a rectifying and filtering circuit, a power supply module U1 and a voltage stabilizing output circuit, wherein the output of the rectifying and filtering circuit is connected with the input of the power supply module U1, and the output of the power supply module U1 is connected with the voltage stabilizing output circuit. The rectifying and filtering circuit consists of a fuse F1, a regulating resistor RV1, a resistor I R1, a bridge rectifier BD1, a diode IV 4, an electrolytic capacitor I E1, an electrolytic capacitor II E2, an inductor I L1, a resistor II R2 and a resistor III R3; the voltage stabilizing output circuit consists of a diode two D2, an electrolytic capacitor three E3, a rectifier diode one DZ1, a diode one D1, a transformer T1, an electrolytic capacitor four E4, a capacitor one C1, a resistor four R1, a diode three D1, an electrolytic capacitor five E1, a low-dropout linear voltage stabilizing chip U1, an electrolytic capacitor six E1 and a capacitor two C1, digital ground GND is connected with the ground of the power module U1 through the diode two D1, the output of the power module U1 is connected with the anode of the electrolytic capacitor three E1, the anode of the rectifier diode one DZ1, the cathode of the rectifier diode one DZ1 is connected with the cathode of the diode one D1, the anode of the diode one D1 is connected with the anode of the electrolytic capacitor four E1, one end of the capacitor one C1, one end of the resistor four R1, +18V output is connected with the cathode of the electrolytic capacitor three E1 through an input winding of the transformer T1 and the other end of the electrolytic capacitor C1 and the capacitor C1 are connected with the other end of the digital ground, the other end of the output winding of the transformer T1 is connected with the anode of a diode three D3, the cathode of a diode three D3 is connected with the anode of an electrolytic capacitor five E5 and the input of a low-voltage-difference linear voltage stabilizing chip U2, the output of the low-voltage-difference linear voltage stabilizing chip U2 is connected with the anode of an electrolytic capacitor six E6 and one end of a capacitor two C2 at +3.3V, and the cathode of an electrolytic capacitor five E5, the ground of the low-voltage-difference linear voltage stabilizing chip U2, the cathode of an electrolytic capacitor six E6 and the other end of a capacitor two C2 are.
This application power module U1 adopts non-isolation step-down chip SM7075-18, turns into low pressure +18V with the commercial power, gives LED glory lamp pearl RGB power supply, and because of APP control module APPC (DT 3L) operating current is less, gains 3.3V through transformer T1 output winding through diode combination + low dropout linear voltage regulation chip U2 (SM 1333) and gives APP control module APPC power supply. The application eliminates the conventional isolation driving scheme, a circuit is omitted, the cost is reduced, and the structure is optimized.
The LED color temperature adjusting circuit I comprises an LED color temperature adjusting module U3, a resistor five R5, a resistor six R6, a resistor seven R7, a resistor eight R8, a resistor nine R9, a capacitor six C6 and a capacitor seven C7, and the LED color temperature adjusting module U3 adopts a dual-channel dimmable linear constant current control chip SM 2123.
The LED color temperature adjusting circuit II comprises an LED color temperature adjusting module II U4, a resistor ten R10, a resistor eleven R11, a resistor twelve R12, a resistor thirteen R13, a resistor fourteen R14, a resistor fifteen R15, a capacitor three C3 and a capacitor four C4, and the LED color temperature adjusting module II U4 adopts a three-channel LED constant current driving control chip SM 15133. Two LED colour temperature regulation modules of this application all can realize PWM through the DIM port and adjust luminance the function, and system simple structure, peripheral component are few, and are with low costs.
This application APP control module group can pair through built-in antenna and cell-phone APP, and the user passes through the APP interface, changes the different states of LED, builds specific technological effect with different light arrangement combination forms.
The two ends L, N of the commercial power are divided into three paths after rectification and filtering, HV output by a first path of bridge rectifier BD1 supplies power to an LED white light lamp bead (LED-C, LED-W) and an LED color temperature adjusting module I U3, and the voltage of a second path of bridge rectifier BD1 is reduced by a power supply module U1 to obtain +18V voltage to supply power to an LED color light lamp bead RGB (LED-R, LED-G, LED-B) and an LED color temperature adjusting module II U4; the third path is stepped down by an output winding of the transformer T1, and is stabilized to +3.3V by a low-dropout linear voltage stabilizing chip U2 to supply power to the APP control circuit.
APP control module group pairs through built-in antenna and cell-phone APP, and the user passes through the APP interface, changes the LED banks state, and APP control module group received signal is handled through inside singlechip, sends PWM signal for SM 15133's 2, 3, 4 feet and SM 2123's 1, 3 feet. The duty ratio of the PWM signal is adjusted to adjust the sizes of 5 adjusting currents (respectively corresponding to LEDs-C, LED-W, LED-R, LED-G, LED-B) of the LED lamp set, the brightness degree is changed, and different lamp bead colors are generated by mixing; make the user can carry out individualized light setting at will through the APP procedure, make things convenient for the illumination of LED banks to adjust.
All simple variations and combinations of the technical features and technical solutions of the present application are considered to fall within the scope of the present application.
Claims (3)
1. The utility model provides a LED intelligence dimming mixing of colors circuit, characterized by comprises power supply circuit, LED colour temperature regulating circuit one, LED colour temperature regulating circuit two, APP control circuit, power supply circuit comprises rectifier filter circuit, power module, steady voltage output circuit, and rectifier filter circuit output connects the power module input, and power module output connects steady voltage output circuit, steady voltage output circuit comprises diode two, electrolytic capacitor three, rectifier diode one, transformer, electrolytic capacitor four, electric capacity one, resistance four, diode three, electrolytic capacitor five, the linear voltage stabilizing chip of low-voltage difference, electrolytic capacitor six, electric capacity two, and digital ground is connected the power module ground through diode two, and power module output connects three positive poles of electrolytic capacitor, rectifier diode one positive pole, and rectifier diode one negative pole connects diode one negative pole, and diode one positive pole connects four positive poles of electrolytic capacitor, One end of a first capacitor, one end of a fourth resistor, a second power supply of an LED color temperature adjusting circuit and connected to three cathodes of an electrolytic capacitor and a power supply module ground through a transformer input winding, wherein one end of a transformer output winding is connected with the four cathodes of the electrolytic capacitor, the other end of the capacitor and the other end of the four resistors are connected with a digital ground in parallel, the other end of the transformer output winding is connected with three anodes of a diode, the three cathodes of the diode are connected with five anodes of the electrolytic capacitor and input of a low-voltage-difference linear voltage stabilizing chip, the output of the low-voltage-difference linear voltage stabilizing chip is connected with six anodes of the electrolytic capacitor, one end of a second capacitor and an APP control circuit power supply, the five cathodes of the electrolytic capacitor, the low-voltage-difference linear voltage stabilizing chip ground, six cathodes of the electrolytic capacitor and the other end of the second capacitor are connected with the digital ground, the APP control circuit power supply is connected with, The LED color light lamp bead anode of the LED lamp group, the C pin and the W pin of the APP control circuit are respectively connected with the C, W input pin of the LED color temperature adjusting circuit I, the C, W output pin of the LED color temperature adjusting circuit I is respectively connected with the LED white light lamp bead LED-C, LED-W cathode of the LED lamp group, the R pin, the G pin and the B pin of the APP control circuit are respectively connected with the R, G, B input pin of the LED color temperature adjusting circuit II, and the R, G, B output pin of the LED color temperature adjusting circuit II is respectively connected with the LED color light lamp bead LED-R, LED-G, LED-B cathode of the LED lamp group.
2. The LED intelligent dimming and color-adjusting circuit according to claim 1, characterized in that: the LED color temperature adjusting circuit I comprises an LED color temperature adjusting module I, a resistor V, a resistor VI, a resistor seven, a resistor eight, a resistor nine, a capacitor six and a capacitor seven, the LED color temperature adjusting module I adopts a dual-channel adjustable linear constant current control chip SM2123, a bridge rectification output of a rectification filter circuit is connected with one end of the resistor five and an anode of an LED white light lamp bead, an LED-C cathode of the LED white light lamp bead is respectively connected with 6 pins of the SM2123 and one end of the capacitor seven, an LED-W cathode of the LED white light lamp bead is respectively connected with 5 pins of the SM2123 and one end of the capacitor six, the other end of the capacitor six and the other end of the capacitor seven are connected with a digital ground, the other end of the resistor five is connected with 8 pins of the SM2123, 7 pins of the SM2123 are suspended, 1 pin and 3 pin of the SM2123 are respectively connected with a C pin and a W pin of the control circuit, 2 pins of the SM2123 are respectively connected, the 4 feet of the SM2123 are respectively connected with one end of the eight resistor and one end of the nine resistor, and the other end of the eight resistor and the other end of the nine resistor are connected with a digital ground.
3. The LED intelligent dimming and color-adjusting circuit according to claim 1 or 2, characterized in that: the LED color temperature adjusting circuit II comprises an LED color temperature adjusting module II, a resistor eleven, a resistor twelve, a resistor thirteen, a resistor fourteen, a resistor fifteen, a capacitor III and a capacitor IV, the LED color temperature adjusting module II adopts a three-channel LED constant current drive control chip SM15133, a power supply of the LED color temperature adjusting circuit II is connected with one end of the capacitor III, one end of the resistor ten and the anode of an LED color light lamp bead, the other end of the resistor eleven is respectively connected with one end of a pin 1 of the SM15133 and one end of the capacitor IV, the other end of the capacitor III and the other end of the capacitor IV are connected with a digital ground, pins 2, 3 and 4 of the SM15133 are respectively connected with a pin R, a pin G and a pin B of the APP control circuit, a pin 5 of the SM15133 is respectively connected with one end of the resistor fourteen and one end of the resistor fifteen, and pins 6, 7 and 8 of the.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911379910.4A CN111083827B (en) | 2019-12-27 | 2019-12-27 | LED intelligent light and color adjusting circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911379910.4A CN111083827B (en) | 2019-12-27 | 2019-12-27 | LED intelligent light and color adjusting circuit |
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| CN111083827A true CN111083827A (en) | 2020-04-28 |
| CN111083827B CN111083827B (en) | 2021-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111511076A (en) * | 2020-05-19 | 2020-08-07 | 广州中大中鸣科技有限公司 | Multi-primary L ED light source multi-pixel brightness saturation elimination circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068451A (en) * | 2018-09-17 | 2018-12-21 | 佛山市南海雷恩光电科技有限公司 | A kind of LED panel lamp of adjustable color temperature and brightness |
| CN109348583A (en) * | 2018-11-30 | 2019-02-15 | 宁波亚茂光电股份有限公司 | A kind of intelligent lamp |
| CN109862656A (en) * | 2018-10-29 | 2019-06-07 | 宁波耀泰电器有限公司 | A kind of light modulation shading process and its circuit |
| US10480723B1 (en) * | 2016-12-23 | 2019-11-19 | Siming Li | LED lights for fluorescent fixtures |
-
2019
- 2019-12-27 CN CN201911379910.4A patent/CN111083827B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10480723B1 (en) * | 2016-12-23 | 2019-11-19 | Siming Li | LED lights for fluorescent fixtures |
| CN109068451A (en) * | 2018-09-17 | 2018-12-21 | 佛山市南海雷恩光电科技有限公司 | A kind of LED panel lamp of adjustable color temperature and brightness |
| CN109862656A (en) * | 2018-10-29 | 2019-06-07 | 宁波耀泰电器有限公司 | A kind of light modulation shading process and its circuit |
| CN109348583A (en) * | 2018-11-30 | 2019-02-15 | 宁波亚茂光电股份有限公司 | A kind of intelligent lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111511076A (en) * | 2020-05-19 | 2020-08-07 | 广州中大中鸣科技有限公司 | Multi-primary L ED light source multi-pixel brightness saturation elimination circuit |
| CN111511076B (en) * | 2020-05-19 | 2022-04-29 | 广州中大中鸣科技有限公司 | Multi-primary-color LED light source multi-pixel brightness saturation elimination circuit |
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Address after: 315400 no.cn8, Far East Industrial City, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Yaotai Optoelectronic Technology Co.,Ltd. Country or region after: China Address before: 315400 no.cn8, Far East Industrial City, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Ningbo UTEC Electric Co.,Ltd. Country or region before: China |