CN211930915U - LED multi-lamp single-control multifunctional circuit - Google Patents
LED multi-lamp single-control multifunctional circuit Download PDFInfo
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- CN211930915U CN211930915U CN201821489809.5U CN201821489809U CN211930915U CN 211930915 U CN211930915 U CN 211930915U CN 201821489809 U CN201821489809 U CN 201821489809U CN 211930915 U CN211930915 U CN 211930915U
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Abstract
The utility model discloses a many lamps of LED single control multifunctional circuit, including voltage current input circuit and LED banks, still include: the constant current circuit is used for providing power supply and is connected with the voltage and current input circuit through a transformer T1; the trigger light source regulating and controlling circuit is used for controlling current and finishing a dimming function and is connected with the constant current circuit; and the multi-lamp switch control circuit is used for single control of multiple lamps and is connected with the trigger light source regulation and control circuit. The utility model has the advantages that the multiple lamps are controlled individually, the circuit structure is simple and practical, and the lighting is convenient for the user to control; the corresponding trigger light source regulation and control circuit has a simplified structure, and energy consumption is saved; is simple and practical.
Description
Technical Field
The utility model relates to a LED circuit technical field especially relates to LED many lamps single-control multifunctional circuit.
Background
With the progress of high brightness and multi-color of light emitting diodes, the application fields are expanding. From the lower indicator light with lower luminous flux to the display screen, then from the outdoor display screen to the signal lamp with medium luminous flux and the white light source for special illumination, and finally to the high luminous flux general illumination light source at the upper right corner. With the progress of the LED lighting technology, the structural practicability of the LED lamp control circuit is an important point in the technical field. The LED circuit adopts single lamp single control mostly, and current few many lamps single control circuit structure is complicated, and is wayward, and corresponding dimmer circuit's configuration is also more complicated, and the practicality is not strong, and extravagant energy consumption.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a multi-lamp single-control multifunctional circuit of LED, which has the advantages of single-control of multiple lamps, simple and practical circuit structure and convenient control of illumination by users; the corresponding trigger light source regulation and control circuit has a simplified structure, and energy consumption is saved; is simple and practical.
LED many lamps single control multifunctional circuit, including voltage current input circuit and LED banks, still include: the constant current circuit is used for providing power supply and is connected with the voltage and current input circuit through a transformer T1; the trigger light source regulating and controlling circuit is used for controlling current and finishing a dimming function and is connected with the constant current circuit; and the multi-lamp switch control circuit is used for single control of multiple lamps and is connected with the trigger light source regulation and control circuit.
Further, the multi-lamp switch control circuit includes: the electrolytic capacitor E1 is connected with the capacitor C1 in parallel, the capacitor C1 is connected to one pin of a control chip IC1, a second pin of the control chip IC1 is connected with a resistor R1 in series and then connected with the LED lamp bank, a third pin of the control chip IC1 is connected with a lifting chip IC2, a fourth pin of the control chip is connected with a relay S1, a relay S1 is connected to one pin of a lifting chip IC2, a second pin of the lifting chip IC2 is connected with an inductor L2 in series, the inductor L2 is connected to the LED lamp bank, a third pin of the lifting chip IC2 is connected with the electrolytic capacitor E2, and the electrolytic capacitor E2 is connected with the resistor R3 in parallel.
Further: the voltage and current input circuit is connected with the constant current circuit through the transformer T1, and the output end and the input end of the constant current circuit are connected with the LED lamp set; the constant current circuit comprises a series RC circuit, the series RC circuit is connected with a diode VD in parallel, the series RC circuit and the diode VD are connected to one pin of a parallel capacitor circuit, the second pin of the parallel capacitor circuit is connected to one pin of a parallel RL circuit, one pin of the parallel RL circuit is connected to one pin of a transformer T2, the third pin of the parallel capacitor circuit is connected to the other pin of the transformer T2, and the third pin and the fourth pin of the transformer T2 are respectively connected to two ends of the series capacitor circuit.
Further, the trigger light source regulation circuit includes: a resistor R4 and a regulator IC3 are connected to one leg of an operational amplifier a1, a second leg of the operational amplifier a1 is connected to a resistor R5, a resistor R5 is connected to a potentiometer RP6, the other end of the potentiometer RP6 is connected in series to a resistor R7, a resistor R7 is connected to the LED lamp set, a third leg of the potentiometer RP6 is connected to a resistor R8, a resistor R8 is connected to one leg of the operational amplifier a2, a capacitor C2 and a resistor R9 are connected to the second leg of the operational amplifier a2, a resistor R9 is connected to the LED lamp set, a third leg of the operational amplifier a2 is connected to a resistor R10, a resistor R10 is connected to a base of a transistor BG1, an emitter of the transistor BG1 is connected to the resistor R7, a collector of the transistor BG1 is connected with a resistor R12, a resistor R12 is connected to a base of the transistor BG2, a collector of the transistor BG2 is connected in series to an inductor L2, and a collector of the LED lamp set is connected between the LED 2 and the collector 2.
Compared with the prior art, the beneficial effects of the utility model are that: the multiple lamps are controlled individually, the circuit structure is simple and practical, and the lighting is convenient to control by a user; the corresponding trigger light source regulation and control circuit has a simplified structure, and energy consumption is saved; is simple and practical.
Drawings
Fig. 1 is a block diagram of a multi-functional circuit for single control of multiple LED lamps according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of the multi-lamp switch control circuit 5 in the LED multi-lamp single-control multifunctional circuit provided by the embodiment of the present invention.
Fig. 3 is a circuit diagram of the constant current circuit 3 in the LED multi-lamp single-control multifunctional circuit provided by the embodiment of the present invention.
Fig. 4 is a circuit diagram of the trigger light source regulation and control circuit 4 in the LED multi-lamp single-control multifunctional circuit provided by the embodiment of the present invention.
Numbering in the figures: 1. the LED lamp comprises a voltage and current input circuit, a LED lamp group, a constant current circuit, a trigger light source regulating and controlling circuit, a multi-lamp switch control circuit, a series RC circuit and a parallel capacitor circuit, wherein the voltage and current input circuit comprises 2, the LED lamp group, 3, the constant current circuit, 4, the trigger light source regulating and controlling circuit, 5, the multi-lamp switch control circuit comprises 6, the series.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the LED multi-lamp single-control multifunctional circuit includes a voltage and current input circuit 1 and an LED lamp set 2, and further includes: the constant current circuit 3 is used for providing power supply and is connected with the voltage and current input circuit 1 through a transformer T1; the trigger light source regulating and controlling circuit 4 is used for controlling current and finishing a dimming function and is connected with the constant current circuit 3; and a multi-lamp switch control circuit 5 for multi-lamp single control, which is connected with the trigger light source regulation circuit 4.
Further, the multi-lamp switch control circuit 5 includes: the electrolytic capacitor E1 is connected with the capacitor C1 in parallel, the capacitor C1 is connected to one pin of a control chip IC1, a second pin of the control chip IC1 is connected with a resistor R1 in series and then connected with the LED lamp bank, a third pin of the control chip IC1 is connected with a lifting chip IC2, a fourth pin of the control chip is connected with a relay S1, a relay S1 is connected to one pin of a lifting chip IC2, a second pin of the lifting chip IC2 is connected with an inductor L2 in series, the inductor L2 is connected to the LED lamp bank, a third pin of the lifting chip IC2 is connected with the electrolytic capacitor E2, and the electrolytic capacitor E2 is connected with the resistor R3 in parallel. Therefore, the function of single control of multiple lamps is realized, and the lamp is simple and practical.
Further: the voltage and current input circuit 1 is connected with the constant current circuit 3 through the transformer T1, and the output end and the input end of the constant current circuit 3 are connected with the LED lamp set; the constant current circuit 3 comprises a series RC circuit, the series RC circuit is connected with a diode VD in parallel, the series RC circuit 6 and the diode VD are connected to one pin of a parallel capacitor circuit 7, the second pin of the parallel capacitor circuit 7 is connected to one pin of a parallel RL circuit 8, one pin of the parallel RL circuit 8 is connected to one pin of a transformer T2, the third pin of the parallel capacitor circuit 7 is connected to the other pin of the transformer T2, and the third pin and the fourth pin of the transformer T2 are respectively connected to two ends of a series capacitor circuit.
Further, the trigger light source regulation and control circuit 4 includes: a resistor R4 and a regulator IC3 are connected to one leg of an operational amplifier a1, a second leg of the operational amplifier a1 is connected to a resistor R5, a resistor R5 is connected to a potentiometer RP6, the other end of the potentiometer RP6 is connected in series to a resistor R7, a resistor R7 is connected to the LED lamp set, a third leg of the potentiometer RP6 is connected to a resistor R8, a resistor R8 is connected to one leg of the operational amplifier a2, a capacitor C2 and a resistor R9 are connected to the second leg of the operational amplifier a2, a resistor R9 is connected to the LED lamp set, a third leg of the operational amplifier a2 is connected to a resistor R10, a resistor R10 is connected to a base of a transistor BG1, an emitter of the transistor BG1 is connected to the resistor R7, a collector of the transistor BG1 is connected with a resistor R12, a resistor R12 is connected to a base of the transistor BG2, a collector of the transistor BG2 is connected in series to an inductor L2, and a collector of the LED lamp set is connected between the LED 2 and the collector 2.
The utility model discloses dimming circuit has special check and is trigger light source regulation and control circuit 4, and simple structure adds a slice fortune and puts, and actual illuminance is high, has characteristics such as energy-conservation, reliable and long service life. The operational amplifier A1 and the voltage stabilizer IC1 form a reference voltage for the operational amplifier A2 and the peripheral resistor to form a non-inverting input reference voltage of the trigger circuit, the inverting input is sampled and compared with the non-inverting input, the pulse width of the output end of the operational amplifier A2 is adjusted by the reference potentiometer RP, the output end of the operational amplifier A is amplified by the driving triode BG1 and the power triode BG2, then the light-emitting diode assembly is lightened, the potentiometer RP is controlled, the current can be controlled, and the actual dimming function is completed. Here, the freewheeling diode D5 and the energy storage inductor L3 smooth the output current.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
- LED many lamps single control multifunctional circuit, including voltage current input circuit and LED banks, its characterized in that still includes: the constant current circuit is used for providing power supply and is connected with the voltage and current input circuit through a transformer T1; the trigger light source regulating and controlling circuit is used for controlling current and finishing a dimming function and is connected with the constant current circuit; and the multi-lamp switch control circuit is used for single control of multiple lamps and is connected with the trigger light source regulation and control circuit.
- 2. The LED multi-lamp single control multifunctional circuit according to claim 1, wherein said multi-lamp switch control circuit comprises: the electrolytic capacitor E1 is connected with the capacitor C1 in parallel, the capacitor C1 is connected to one pin of a control chip IC1, a second pin of the control chip IC1 is connected with a resistor R1 in series and then connected with the LED lamp bank, a third pin of the control chip IC1 is connected with a lifting chip IC2, a fourth pin of the control chip is connected with a relay S1, a relay S1 is connected to one pin of a lifting chip IC2, a second pin of the lifting chip IC2 is connected with an inductor L2 in series, the inductor L2 is connected to the LED lamp bank, a third pin of the lifting chip IC2 is connected with the electrolytic capacitor E2, and the electrolytic capacitor E2 is connected with the resistor R3 in parallel.
- 3. The LED multi-lamp single control multifunctional circuit according to claim 1, wherein: the voltage and current input circuit is connected with the constant current circuit through the transformer, and the output end and the input end of the constant current circuit are connected with the LED lamp set; the constant current circuit comprises a series RC circuit, the series RC circuit is connected with a diode VD in parallel, the series RC circuit and the diode VD are connected to one pin of a parallel capacitor circuit, the second pin of the parallel capacitor circuit is connected to one pin of a parallel RL circuit, one pin of the parallel RL circuit is connected to one pin of a transformer T2, the third pin of the parallel capacitor circuit is connected to the other pin of the transformer T2, and the third pin and the fourth pin of the transformer T2 are respectively connected to two ends of the series capacitor circuit.
- 4. The LED multiple-lamp single-control multifunctional circuit according to claim 1, wherein said trigger light source regulation circuit comprises: a resistor R4 and a regulator IC3 are connected to one leg of an operational amplifier a1, a second leg of the operational amplifier a1 is connected to a resistor R5, a resistor R5 is connected to a potentiometer RP6, the other end of the potentiometer RP6 is connected in series to a resistor R7, a resistor R7 is connected to the LED lamp set, a third leg of the potentiometer RP6 is connected to a resistor R8, a resistor R8 is connected to one leg of the operational amplifier a2, a capacitor C2 and a resistor R9 are connected to the second leg of the operational amplifier a2, a resistor R9 is connected to the LED lamp set, a third leg of the operational amplifier a2 is connected to a resistor R10, a resistor R10 is connected to a base of a transistor BG1, an emitter of the transistor BG1 is connected to the resistor R7, a collector of the transistor BG1 is connected with a resistor R12, a resistor R12 is connected to a base of the transistor BG2, a collector of the transistor BG2 is connected in series to an inductor L2, and a collector of the LED lamp set is connected between the LED 2 and the collector 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489809.5U CN211930915U (en) | 2018-09-12 | 2018-09-12 | LED multi-lamp single-control multifunctional circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489809.5U CN211930915U (en) | 2018-09-12 | 2018-09-12 | LED multi-lamp single-control multifunctional circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211930915U true CN211930915U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821489809.5U Active CN211930915U (en) | 2018-09-12 | 2018-09-12 | LED multi-lamp single-control multifunctional circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211930915U (en) |
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2018
- 2018-09-12 CN CN201821489809.5U patent/CN211930915U/en active Active
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