CN210405711U - Dimming and color-adjusting LED lamp circuit - Google Patents
Dimming and color-adjusting LED lamp circuit Download PDFInfo
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- CN210405711U CN210405711U CN201920857630.9U CN201920857630U CN210405711U CN 210405711 U CN210405711 U CN 210405711U CN 201920857630 U CN201920857630 U CN 201920857630U CN 210405711 U CN210405711 U CN 210405711U
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Abstract
The utility model relates to a mixing of colors LED lamps and lanterns circuit of adjusting luminance, fill the millet circuit by EMC, AC/DC constant current circuit, AC/DC constant voltage circuit, two way high-pressure MOS pipe switch circuits, two way PWM output control circuits, infrared receiving circuit constitutes, the input that EMC filled the millet circuit connects alternating current power supply, the output that EMC filled the millet circuit connects AC/DC constant current circuit respectively, AC/DC constant voltage circuit, two way high-pressure MOS pipe switch circuits, the PWM signal of AC/DC constant current circuit connects the PWM signal of two way PWM output control circuits, the LED chip output of two way high-pressure MOS pipe switch circuits is connected with double-colored LED lamp plate, infrared receiving circuit receives the mixing of colors signal of adjusting luminance and exports to the IR signal input of two way PWM output control circuits after the conversion, AC/DC constant current circuit adopts the LED constant current chip of single road from taking the PWM port. The application saves circuit space, is convenient to design, and is low in cost and high in reliability.
Description
Technical Field
The application relates to a dimming and color mixing LED lamp circuit which is mainly suitable for LED illumination driving control.
Background
With the technological progress and the gradual improvement of the quality of life of people, the popularization rate of the LED lamp is higher and higher, and especially the LED lamp capable of freely adjusting the brightness and the color temperature is more and more popular among people. The LED lamp capable of adjusting light and color has the advantages of energy conservation, environmental protection, long service life, adjustable color temperature, adjustable brightness and the like.
In the dimmable and color-adjustable lamp in the prior art, the dimmable and color-adjustable lamp is mostly realized by a 2-path PWM control circuit and a 2-path AC/DC constant current circuit, so that the product cost is increased, and a larger circuit space is required.
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, convenient to use, and the function is various, saves circuit space, makes things convenient for the design of LED lamps and lanterns, and the dimming mixing of colors LED lamps and lanterns circuit that product cost low reliability is high.
The technical scheme adopted by the application for solving the technical problems comprises the following steps:
a light and color adjusting LED lamp circuit is characterized by comprising an EMC valley filling circuit, an AC/DC constant current circuit, an AC/DC constant voltage circuit, two high-voltage MOS tube switching circuits, two PWM output control circuits and an infrared receiving circuit, wherein the input of the EMC valley filling circuit is connected with an alternating current power supply, the output of the EMC valley filling circuit is respectively connected with the AC/DC constant current circuit, the AC/DC constant voltage circuit and the two high-voltage MOS tube switching circuits, the PWM signal of the AC/DC constant current circuit is connected with the PWM signal of the two PWM output control circuits, the output of the AC/DC constant voltage circuit is respectively connected with the DC power supply of the AC/DC constant current circuit, the two PWM output control circuits and the infrared receiving circuit, the color adjusting signal input ends of the two high-voltage MOS tube switching circuits are correspondingly connected with the color adjusting signal output ends of the two PWM output control circuits, and the LED chip output ends of, the infrared receiving circuit receives the dimming and toning signals, converts the dimming and toning signals and outputs the converted dimming and toning signals to the IR signal input ends of the two PWM output control circuits, and the AC/DC constant current circuit adopts a single-path LED constant current chip with a PWM port.
The EMC valley filling circuit comprises a fuse resistor, a common-mode inductor, a safety regulation capacitor, a rectifier bridge, a resistor I, an inductor I, a capacitor II, a capacitor III, a capacitor VI, a diode IV, a diode V and a diode VI, wherein the dotted ends of the fuse resistor one end and the common-mode inductor 3 are respectively connected with a power supply line, the other end of the fuse resistor is connected with the dotted end of the common-mode inductor 1, the dotted end of the common-mode inductor 2 is connected with the dotted end of the safety regulation capacitor one end and one AC end of the rectifier bridge, the dotted end of the common-mode inductor 4 is connected with the other end of the safety regulation capacitor other end and the other AC end of the rectifier bridge, the output positive electrode of the rectifier bridge is connected with one end of the inductor I, one end of the resistor I and the positive electrode of the capacitor I, the other end of the inductor I is connected with the other end of the resistor I, the positive electrode of the, The negative electrode of the second capacitor is connected with the positive electrode of the fifth diode and the negative electrode of the fourth diode, and the negative electrode of the fifth diode is connected with the positive electrode of the sixth diode and the positive electrode of the third capacitor.
The AC/DC constant current circuit comprises a second resistor, a third resistor, a fifth resistor, a sixth resistor, a first diode, a fourth capacitor, a fifth capacitor, a seventh capacitor, an eighth capacitor, a second power inductor and a constant current chip, wherein the anode of an LED power supply is connected with one end of the second resistor, the cathode of the first diode, the anode of the fifth capacitor and one end of the fifth resistor, the anode of the seventh capacitor, the one end of the fourth capacitor, the one end of the fifth resistor, the one end of the sixth capacitor, the pin of the eighth capacitor, the pin of the constant current chip 1 and one end of the seventh capacitor, the other end of the second resistor is connected with one end of the third resistor, the other end of the third resistor is connected with the pin 4 of the constant current chip and the other end of the fourth capacitor, the pin 2 of the constant current chip is connected with the eight other end of the capacitor and a PWM signal input end, the pins 5 and 6 of the constant, The other end of the resistor five and six, the other end of the capacitor seven and the cathode of the LED power supply.
The two-way high-voltage MOS tube switching circuit comprises eight resistors, nine resistors, ten resistors, one resistor, two resistors, three resistors, four resistors, five resistors, six resistors, seven resistors, one high-voltage MOS tube I, two high-voltage MOS tube II, three high-voltage triodes, four high-voltage triodes, five high-voltage triodes, six high-voltage triodes, one voltage regulator tube I, two voltage regulator tubes and an LED chip: the positive electrode of an LED power supply is connected with a high-voltage triode three emitting electrode, a high-voltage triode five emitting electrode and an LED chip connecting pin I, the LED chip connecting pin II is connected with a high-voltage MOS tube one drain electrode, the LED chip connecting pin III is connected with a high-voltage MOS tube two drain electrode, the negative electrode of the LED power supply is connected with a high-voltage MOS tube one source electrode, a high-voltage MOS tube two source electrode, a voltage-regulator tube one positive electrode, a voltage-regulator tube two positive electrode, one end of a resistor nine and one end of a resistor I, the five collector electrode of the high-voltage triode is connected with one end of a resistor eight, the other end of the resistor eight is connected with a high-voltage MOS tube one grid electrode, a voltage-regulator tube one negative electrode and the other end of the resistor nine, the three collector electrode of the high-voltage triode is connected with one end of a resistor I, the other end of the high-voltage MOS tube two grid electrode, the, the other end of the resistor I and the resistor II is connected with a six collector electrode of the high-voltage triode, the four emitter electrode of the high-voltage triode is connected with one end of the six emitter electrode of the high-voltage triode, one end of the resistor I and one end of the resistor II, and the logic ground, the four base electrode of the high-voltage triode is connected with the other end of the resistor I and one end of the resistor II, the other end of the resistor II is connected with the color-mixing cold white signal input end, the six base electrode of the high-voltage triode is connected with the other end of the resistor I.
The AC/DC constant voltage circuit comprises a constant voltage chip, a second resistor, a second third resistor, a second sixth resistor, a tenth capacitor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a second diode, a third diode and a third power inductor, wherein the anode of the LED power supply is connected with a pin 4 of the constant voltage chip, a pin 1 of the constant voltage chip is connected with one end of the second capacitor, a pin 2 of the constant voltage chip is connected with one end of the second resistor, one end of the second resistor and one end of the capacitor, pins 5, 6, 7 and 8 of the constant voltage chip are simultaneously connected with the other ends of the second resistor, the third resistor, one end of the tenth capacitor, the other end of the first capacitor and the other end of the second capacitor, the cathode of the diode and one end of the third power inductor, the other end of the second capacitor is connected with the cathode of the second resistor and the diode, the anode of the second diode is connected with the other end of, the three anodes of the diodes are connected with the three cathodes of the first capacitor, the other end of the second resistor, the other end of the first capacitor, the other end of the fourth capacitor and logic ground.
The two PWM output control circuits comprise a control module, a resistor I eight, a resistor I nine, a resistor twenty, a resistor II one, a diode seven, a diode eight, a triode seven, a triode eight, a color-mixing cold white signal connected with the anode of the diode eight and the pin 5 of the control module, a color-mixing warm white signal connected with the anode of the diode seven and the pin 4 of the control module, the cathode of the diode eight and one end of the cathode of the diode seven are connected with each other, the other end of the resistor I eight is connected with one end of the resistor I nine and the base of the triode seven, the seven collector of the triode is connected with the base of the triode eight and one end of the resistor twenty, the eight collector of the triode is connected with one end of the resistor II and the PWM signal end, the other end of the resistor II one, the DC power supply and the pin 2 of the control module are connected together, the seven emitter, Logically, the pin 3 of the control module is connected with the IR end of the infrared receiving circuit.
The infrared receiving circuit comprises a resistor II four, a resistor II five, a capacitor nine and an infrared receiver, wherein a direct current power supply is connected with one end of the resistor II four and one end of the resistor II five, the other end of the resistor II four is connected with an IR end and an infrared receiver 1 pin, the other end of the resistor II five is connected with one end of the capacitor nine and an infrared receiver 3 pin, and the other end of the capacitor nine is connected with an infrared receiver 2 pin and a logic ground.
The AC/DC constant current circuit (power supply) only needs a single-path LED constant current chip with a PWM port, the constant power performance of the LED lamp is reliably realized, and the LED lamp is ensured to maintain high output brightness; meanwhile, the two high-voltage MOS tube switching circuits designed have almost no influence on the overall energy efficiency of the product, and the LED lamp is easily compatible with most of the original two PWM dimming and color mixing control modules without additional development and design, and the LED lamp is easily upgraded.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present application.
Fig. 2 is a schematic diagram of an EMC valley filling circuit structure according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of an AC/DC constant current circuit according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a two-way high-voltage MOS transistor switch circuit according to an embodiment of the present application.
FIG. 5 is a schematic diagram of an AC/DC constant voltage circuit according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a two-way PWM output control circuit according to an embodiment of the present application.
Fig. 7 is a schematic structural diagram of an infrared receiving 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 to 7, an input terminal of the EMC valley fill circuit (EMC + valley fill circuit) of the present embodiment is connected to an AC power supply (power supply lines AC1, AC 2), an output terminal of the EMC valley fill circuit is connected to input terminals of the AC/DC constant current circuit and the AC/DC constant voltage circuit, wherein one terminal of a fuse resistor F1 is connected to the power supply line AC1, the other terminal is connected to a 1-pin dotted terminal of a common mode inductor LX, a 3-pin terminal of the common mode inductor LX is connected to the power supply line AC2, a 2-pin terminal of the common mode inductor LX is connected to one terminal of a regulation capacitor CX and one AC terminal of a rectifier bridge BD1, a 4-pin terminal of the common mode inductor LX is connected to the other terminal of the regulation capacitor CX and the other AC terminal of the rectifier bridge BD1, an output anode of the rectifier bridge BD1 is connected to one terminal of an inductor L1, one terminal of a resistor R1 and an anode of a capacitor C1, and the other terminal of an inductor L1 is connected to the other terminal of, One end of a thin-film capacitor six C6 and an LED + end (serving as an output of an EMC valley filling circuit and connected with an AC/DC constant current circuit, an AC/DC constant voltage circuit and an input end of a two-way high-voltage MOS (high-voltage MOS and high-voltage triode refer to over 300V withstand voltage DC) switching circuit), the output cathode of a rectifier bridge BD1 is simultaneously connected with the cathode of a capacitor one C1, the anode of a diode four D4, the cathode of a capacitor three C3, the other end of a capacitor six C6 and a logic ground GND1, the cathode of a capacitor two C2 is connected with the anode of a diode five D5 and the cathode of a diode four D4, and the cathode of a diode five D5 is connected with the anode of a diode six D6 and the anode of a capacitor three C3.
The AC/DC constant current circuit comprises: the positive LED + end of the LED power supply is connected with one end of a second resistor R2, the negative electrode of a first diode D1, the positive electrode of a fifth capacitor C5 and one end of a fifth resistor six R56 at the same time, a logic ground GND1 is connected with one end of a fourth capacitor C4, one end of a fifth resistor R5, one end of a sixth resistor R6, one end of an eighth capacitor C8, a constant current chip (an LED constant current power supply management chip, MT7816CS is selected for this time) IC1 pin 1 GND and one end of a seventh capacitor C7, the other end of a second resistor R2 is connected with one end of a third resistor R3, the other end of the third resistor R3 is connected with a 4 pin VCC of a constant current chip IC1 and the other end of a fourth capacitor C4, a 2 pin DIM of the constant current chip IC1 is connected with the other end of the eighth capacitor C8 and a PWM signal input end, a 5 pin DRV of the positive electrode of the diode D8 and one end of a power inductor L8 of the fifth resistor R8, the other end of the fifth resistor R8 and the other end of the capacitor C8 are connected with the other end, The other end of the resistor penta-six R56, the other end of the capacitor seven C7 and the LED-end of the cathode of the LED power supply.
The two paths of high-voltage MOS tube switching circuits are as follows: the LED + is connected with an emitter E of a high-voltage triode tri Q3 and an emitter E, LED chip connecting pin I of a high-voltage triode five Q5, the LED chip connecting pin II is connected with a drain D of a high-voltage MOS tube I Q1, the LED chip connecting pin III is connected with a drain D of a high-voltage MOS tube II Q2, the LED-is connected with a source S of a high-voltage MOS tube I Q1, a source S of a high-voltage MOS tube II Q2, the anode of a regulator tube I Z1, the anode of a regulator tube II Z2, one end of a resistor nine R9 and one end of a resistor one four R14, the collector of the high-voltage triode five Q5 is connected with one end of a resistor eight R8, the other end of the resistor eight R8 is connected with a grid G of a high-voltage MOS tube I Q1, the cathode of a regulator tube I Z1 and the other end of a resistor nine R9, the collector of the high-voltage triode tri Q3 is connected with one end of a resistor one tri R13, the other end of the resistor 63 13 is connected with a grid G of a, the base electrode of the high-voltage triode five Q5 is connected with one end of a resistor ten R10, the other end of the resistor ten R10 is connected with the collector electrode of a high-voltage triode four Q4, the base electrode of the high-voltage triode three Q3 is connected with one end of a resistor one five R15, the other end of the resistor one five R15 is connected with the collector electrode of a high-voltage triode six Q6, the emitter electrode of the high-voltage triode four Q4 is connected with the emitter electrode of a high-voltage triode six Q6 and one end of a resistor one R11, one end of a resistor I-VI R16 and a logic ground GND1, the base of a high-voltage triode four Q4 is connected with the other end of a resistor I-R11 and one end of a resistor II-R12, the other end of the resistor II-R12 is connected with a color-mixing cold white signal (color-mixing signals comprise cold white M _ ENCW and warm white M _ ENWW) M _ ENCW input end, the base of a high-voltage triode six Q6 is connected with the other end of the resistor I-VI R16 and one end of a resistor III-R17, and the other end of the resistor III-IV R17 is connected with the color-mixing warm white signal M _ ENWW input end.
AC/DC constant voltage circuit: the LED + end is connected with a 4-pin SW of a constant voltage chip IC2, a 1-pin VDD of a constant voltage chip IC2 is connected with one end of a two-pin C12 capacitor, a 2-pin FB of a constant voltage chip IC2 is connected with one end of a two-two R22 resistor, one end of a two-three R23 resistor and one end of a one-one C11 capacitor, a 5-pin, a 6-pin, a 7-pin and an 8-pin GND of the constant voltage chip IC2 are simultaneously connected with the other end of a two-three R23 resistor, one end of a ten C10 capacitor, the other end of a one-one C11 capacitor, the other end of a two-one C12 capacitor, the cathode of a three D3 diode, one end of a three L3 power inductor, the other end of a ten C10 capacitor, the other end of a two-two R22 resistor and the cathode of a two D2 diode, the anode of a two D2 diode is connected with the other end of a three L3 power inductor, the anode of a three-C13 capacitor, one end of a two-six R26 resistor, one end of a capacitor, one end of, The other end of the capacitor one four C14 and the logic ground GND 1.
Two-way PWM output control circuit: the M _ ENCW is connected with the anode of a diode eight D8 and the 5 feet of a control module CTR (such as various control modules like an EST 8266), the M _ ENWW is connected with the anode of a diode seven D7 and the 4 feet of the control module CTR, the cathode of a diode eight D8 is connected with the cathode of a diode seven D7, one end of a resistor eight R18 is connected, the other end of the resistor eight R18 is connected with one end of a resistor nine R19 and the base of a triode seven Q7, the collector of the triode seven Q7 is connected with the base of a triode eight Q8, one end of a resistor twenty R20, the collector of the triode eight Q8 is connected with one end of a resistor two R21 and a PWM signal end, the other end of the resistor twenty R20 is connected with the other end of a resistor two R21, the 3.3V end of a direct current power supply is connected with the 2 feet of the control module CTR, the emitter of the triode seven Q7 is connected with the eight Q8 and the other end of the resistor nine R19, Pin 1 of the control module CTR and a logic ground GND1, and pin 3 of the control module CTR is connected with an output IR end of the infrared receiving circuit.
An infrared receiving circuit: the 3.3V end of the direct current power supply is connected with one end of a resistor two-four R24 and one end of a resistor two-five R25, the other end of the resistor two-four R24 is connected with the IR end and a pin 1 of the infrared receiver IRM, the other end of the resistor two-five R25 is connected with one end of a capacitor nine C9 and a pin 3 of the infrared receiver IRM, and the other end of the capacitor nine C9 is connected with a pin 2 of the infrared receiver and a logic ground GND 1.
This application is through sending infrared signal to infrared receiver, exports two way PWM signals after control module decodes, can realize the light modulation, the mixing of colors function of cold, warm double-colored temperature lamp plate. The LED lamp has the remarkable advantages of high efficiency, greenness, energy conservation, environmental protection, low cost, simple operation, no need of an additional dimmer and the like.
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 (7)
1. A light and color adjusting LED lamp circuit is characterized by comprising an EMC valley filling circuit, an AC/DC constant current circuit, an AC/DC constant voltage circuit, two high-voltage MOS tube switching circuits, two PWM output control circuits and an infrared receiving circuit, wherein the input of the EMC valley filling circuit is connected with an alternating current power supply, the output of the EMC valley filling circuit is respectively connected with the AC/DC constant current circuit, the AC/DC constant voltage circuit and the two high-voltage MOS tube switching circuits, the PWM signal of the AC/DC constant current circuit is connected with the PWM signal of the two PWM output control circuits, the output of the AC/DC constant voltage circuit is respectively connected with the DC power supply of the AC/DC constant current circuit, the two PWM output control circuits and the infrared receiving circuit, the color adjusting signal input ends of the two high-voltage MOS tube switching circuits are correspondingly connected with the color adjusting signal output ends of the two PWM output control circuits, and the LED chip output ends of, the infrared receiving circuit receives the dimming and toning signals, converts the dimming and toning signals and outputs the converted dimming and toning signals to the IR signal input ends of the two PWM output control circuits, and the AC/DC constant current circuit adopts a single-path LED constant current chip with a PWM port.
2. The dimming and color-adjusting LED lamp circuit as claimed in claim 1, wherein: the EMC valley filling circuit comprises a fuse resistor, a common-mode inductor, a safety capacitor, a rectifier bridge, a resistor I, an inductor I, a capacitor II, a capacitor III, a capacitor VI, a diode IV, a diode V and a diode VI, wherein the same-name ends of the pins of the fuse resistor and the common-mode inductor 3 are respectively connected with a power supply line, the other end of the fuse resistor is connected with the same-name end of the pin 1 of the common-mode inductor, the different-name end of the pin 2 of the common-mode inductor is connected with one end of the safety capacitor and one AC end of the rectifier bridge, the different-name end of the pin 4 of the common-mode inductor is connected with the other end of the safety capacitor and the other AC end of the rectifier bridge, the output positive pole of the rectifier bridge is connected with one end of the inductor I, one end of the resistor I and the positive pole of the capacitor I, the other end of the capacitor I, the positive pole, The negative electrode of the second capacitor is connected with the positive electrode of the fifth diode and the negative electrode of the fourth diode, and the negative electrode of the fifth diode is connected with the positive electrode of the sixth diode and the positive electrode of the third capacitor.
3. The dimming and color-adjusting LED lamp circuit as claimed in claim 2, wherein: the AC/DC constant current circuit comprises a second resistor, a third resistor, a fifth resistor, a sixth diode, a first capacitor, a fourth capacitor, a fifth capacitor, a seventh capacitor, an eighth capacitor, a second power inductor and a constant current chip, wherein the anode of the LED power supply is connected with one end of the second resistor, the cathode of the first diode, one end of the fifth capacitor and one end of the fifth capacitor, the anode of the seventh capacitor, the anode of the diode, the cathode of the fifth capacitor and one end of the sixth capacitor, the anode of the capacitor is logically connected with one end of the fourth capacitor, one end of the fifth resistor, one end of the eighth capacitor, the pin 1 of the constant current chip and one end of the seventh capacitor, the other end of the second resistor is connected with one end of the third resistor, the other end of the third resistor is connected with the pin 4 of the constant current chip and the other end of the fourth capacitor, the pin 2 of the constant current chip is connected with the, The other end of the resistor five and six, the other end of the capacitor seven and the cathode of the LED power supply.
4. The dimming and color-adjusting LED lamp circuit as claimed in claim 3, wherein: the two-way high-voltage MOS tube switching circuit comprises eight resistors, nine resistors, ten resistors, one resistor, two resistors, three resistors, four resistors, five resistors, six resistors, seven resistors, one high-voltage MOS tube I, two high-voltage MOS tube II, three high-voltage triodes, four high-voltage triodes, five high-voltage triodes, six high-voltage triodes, one voltage regulator tube I, two voltage regulator tubes and an LED chip: the positive electrode of an LED power supply is connected with a high-voltage triode three emitting electrode, a high-voltage triode five emitting electrode and an LED chip connecting pin I, the LED chip connecting pin II is connected with a high-voltage MOS tube one drain electrode, the LED chip connecting pin III is connected with a high-voltage MOS tube two drain electrode, the negative electrode of the LED power supply is connected with a high-voltage MOS tube one source electrode, a high-voltage MOS tube two source electrode, a voltage-regulator tube one positive electrode, a voltage-regulator tube two positive electrode, one end of a resistor nine and one end of a resistor I, the five collector electrode of the high-voltage triode is connected with one end of a resistor eight, the other end of the resistor eight is connected with a high-voltage MOS tube one grid electrode, a voltage-regulator tube one negative electrode and the other end of the resistor nine, the three collector electrode of the high-voltage triode is connected with one end of a resistor I, the other end of the high-voltage MOS tube two grid electrode, the, the other end of the resistor I and the resistor II is connected with a six collector electrode of the high-voltage triode, the four emitter electrode of the high-voltage triode is connected with one end of the six emitter electrode of the high-voltage triode, one end of the resistor I and one end of the resistor II, and the logic ground, the four base electrode of the high-voltage triode is connected with the other end of the resistor I and one end of the resistor II, the other end of the resistor II is connected with the color-mixing cold white signal input end, the six base electrode of the high-voltage triode is connected with the other end of the resistor I.
5. The dimming and color-adjusting LED lamp circuit as claimed in claim 2, wherein: the AC/DC constant voltage circuit comprises a constant voltage chip, a second resistor, a second third resistor, a second sixth resistor, a tenth capacitor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a second diode, a third diode and a third power inductor, wherein the anode of the LED power supply is connected with a pin 4 of the constant voltage chip, a pin 1 of the constant voltage chip is connected with one end of the second capacitor, a pin 2 of the constant voltage chip is connected with one end of the second resistor, one end of the second resistor and one end of the capacitor, pins 5, 6, 7 and 8 of the constant voltage chip are simultaneously connected with the other ends of the second resistor, the third resistor, one end of the tenth capacitor, the other end of the first capacitor and the other end of the second capacitor, the cathode of the diode and one end of the third power inductor, the other end of the second capacitor is connected with the cathode of the second resistor and the diode, the anode of the second diode is connected with the other end of, the three anodes of the diodes are connected with the three cathodes of the first capacitor, the other end of the second resistor, the other end of the first capacitor, the other end of the fourth capacitor and logic ground.
6. The dimming and color-adjusting LED lamp circuit as claimed in claim 5, wherein: the two PWM output control circuits comprise a control module, a resistor I eight, a resistor I nine, a resistor twenty, a resistor II one, a diode seven, a diode eight, a triode seven, a triode eight, a color-mixing cold white signal connected with the anode of the diode eight and the pin 5 of the control module, a color-mixing warm white signal connected with the anode of the diode seven and the pin 4 of the control module, the cathode of the diode eight and one end of the cathode of the diode seven are connected with each other, the other end of the resistor I eight is connected with one end of the resistor I nine and the base of the triode seven, the seven collector of the triode is connected with the base of the triode eight and one end of the resistor twenty, the eight collector of the triode is connected with one end of the resistor II and the PWM signal end, the other end of the resistor II one, the DC power supply and the pin 2 of the control module are connected together, the seven emitter, Logically, the pin 3 of the control module is connected with the IR end of the infrared receiving circuit.
7. The dimming and color-adjusting LED lamp circuit as claimed in claim 6, wherein: the infrared receiving circuit comprises a resistor II four, a resistor II five, a capacitor nine and an infrared receiver, wherein a direct current power supply is connected with one end of the resistor II four and one end of the resistor II five, the other end of the resistor II four is connected with an IR end and an infrared receiver 1 pin, the other end of the resistor II five is connected with one end of the capacitor nine and an infrared receiver 3 pin, and the other end of the capacitor nine is connected with an infrared receiver 2 pin and a logic ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857630.9U CN210405711U (en) | 2019-06-10 | 2019-06-10 | Dimming and color-adjusting LED lamp circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920857630.9U CN210405711U (en) | 2019-06-10 | 2019-06-10 | Dimming and color-adjusting LED lamp circuit |
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| Publication Number | Publication Date |
|---|---|
| CN210405711U true CN210405711U (en) | 2020-04-24 |
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| CN201920857630.9U Expired - Fee Related CN210405711U (en) | 2019-06-10 | 2019-06-10 | Dimming and color-adjusting LED lamp circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167234A (en) * | 2019-06-10 | 2019-08-23 | 宁波颐道照明有限公司 | A kind of light modulation toning LED lamp circuit |
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2019
- 2019-06-10 CN CN201920857630.9U patent/CN210405711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167234A (en) * | 2019-06-10 | 2019-08-23 | 宁波颐道照明有限公司 | A kind of light modulation toning LED lamp circuit |
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