CN115988699A - Constant-current high-power LED color temperature adjusting circuit controller - Google Patents
Constant-current high-power LED color temperature adjusting circuit controller Download PDFInfo
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- CN115988699A CN115988699A CN202111190879.7A CN202111190879A CN115988699A CN 115988699 A CN115988699 A CN 115988699A CN 202111190879 A CN202111190879 A CN 202111190879A CN 115988699 A CN115988699 A CN 115988699A
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Abstract
The invention discloses a constant-current high-power LED color temperature regulating circuit controller, which aims to provide a constant-current high-power LED color temperature regulating circuit controller with variable power, adjustable output power according to requirements, strong practicability and wide application; the voltage reduction and stabilization circuit is electrically connected with the color temperature adjusting unit and used for supplying power to the color adjusting unit and reducing and stabilizing voltage; the overcurrent protection unit is connected with the light-emitting unit and used for providing overcurrent protection, and the LED lamp control device is suitable for the technical field of LED lamp control.
Description
Technical Field
The invention relates to the technical field of LED lamp control, in particular to a constant-current high-power LED color temperature adjusting circuit controller.
Background
The LED street lamp is used for night illumination and improves the safety of the surrounding environment.
At present, the constant-current high-power LED lamp is available in the market. Most of constant-current high-power LED lamps are composed of an LED constant-current power supply and a single color temperature light source, the color temperature is single, LED lamps with corresponding power are usually produced quantitatively, the requirements of people on light sources in different environments and atmospheres are difficult to meet, if the requirements of users are not accordant with the actual LED lamps, redundant production of multiple LED lamps is difficult to sell, and similarly, if the requirements of the users are increased and the quantity of the produced LED lamps is not matched with the quantity actually required by the users, the production difficulty is increased, so that the problem of unmatched quantity cannot be solved in the traditional manufacturing mode, and normal production and sales are influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a constant-current high-power LED color temperature adjusting circuit controller which has variable power, can adjust output power according to requirements, has strong practicability and wide application.
In order to realize the purpose, the invention provides the following technical scheme: a constant-current high-power LED color temperature regulating circuit controller comprises a light emitting unit and a color temperature regulating unit connected with the light emitting unit and used for outputting different voltages; the voltage reduction and stabilization circuit is electrically connected with the color temperature adjusting unit and used for supplying power to the color adjusting unit and reducing and stabilizing voltage; and the overcurrent protection unit is connected with the light-emitting unit and used for providing overcurrent protection.
The invention is further configured to: the color temperature adjusting unit comprises a U1 chip and a U2 chip, wherein a pin of the U1 (3) is connected with a potentiometer RH1, pins of output ends (6) (7) of the U1 are connected with input ends (1) (2) of the U2, and pins of output ends (7) (8) of the U2 are respectively connected with an MOS (metal oxide semiconductor) tube Q1 and an MOS tube Q2.
The invention is further configured to: the voltage reduction and stabilizing circuit comprises a first branch circuit and a second branch circuit, wherein the first branch circuit is composed of a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a diode D3 and a filter capacitor EC3, the second branch circuit is composed of a resistor R9, a resistor R11, a resistor R13, a diode D1, a diode D2 and a filter capacitor EC2, the first branch circuit supplies power to the U2, and the second branch circuit supplies power to the U1.
The invention is further configured to: the first branch circuit and the second branch circuit are connected with an external power supply VCC, and a filter capacitor EC1 is connected between the external power supply VCC and the second branch circuit in parallel.
The invention is further configured to: the resistance R1 and the resistance R2 are connected in parallel and are connected with a live wire, the resistance R3 and the resistance R4 are connected in parallel, the resistance R5 and the resistance R6 are connected in parallel, the resistance R7 and the resistance R8 are connected in parallel, the diode D3 and the filter capacitor EC3 are connected in parallel, the resistances R1, R3, R5, R7 and the diode D3 are connected in series, the resistances R2, R4, R6, R8 and the filter capacitor EC3 are connected in series, the resistances R9, R11, R13 and the diode D1 are connected in series, the diode D1, the diode D2 and the filter capacitor EC2 are connected in parallel, and the output end of the diode is connected with a pin (4) of the U1.
The invention is further configured to: the overcurrent protection unit consists of RS1, U2, R22 and C2, wherein the pin of the output end (6) of the U2 is connected with the C2 and the RS1, and the C2 and the RS1 are connected in parallel and grounded.
The invention is further configured to: and a current detection module is arranged at the output end of the pin (6) of the U2 and used for triggering overcurrent protection and stopping the output of the U2 when the output voltage of the pin (6) of the U2 exceeds 200 mV.
The invention is further configured to: the U1 chip is an AD conversion chip, and the U2 chip is a level conversion chip.
The invention is further configured to: the light-emitting unit is a plurality of LED lamps.
By adopting the technical scheme, R1-R8.D3.EC3 and R9-R13.D1.D2.EC2 form a voltage reduction and voltage stabilization circuit which respectively supplies power to U1. U2; u1 is AD chip, and U2 is level conversion chip. The LED lamp color temperature adjusting device comprises a potentiometer RH1, a U1 (3) pin is adjusted to input a 0-5V analog level signal, after the analog level signal is processed by the U1, the U1 (6) (7) pin outputs 2 complementary PWM signals with 0-100% duty ratio, the 2 PWM signals are input to 2 input ends INA.INB of the U2, the 3-5V PWM input level is converted into 20 KHZ 10-12V output driving voltage driving power MOS tubes Q1.Q2, and therefore the purpose of adjusting the color temperature of an LED lamp is achieved, meanwhile, the U2 has an overcurrent protection function, the RS1.U2.R22.C2 forms an overcurrent protection circuit, when the detection voltage of the U2 (6) pin exceeds 200mV, overcurrent protection is triggered, the U2 stops outputting until the fault is relieved, so that the overcurrent protection circuit is prevented from being damaged, therefore, the power of the LED lamp is adjusted through the device, and therefore different power output is output, and accordingly, the LED lamp can be directly and produced in a unified mode, different requirements are easily matched, the LED lamp color temperature adjusting device is strong in practicability and simple in structure.
Drawings
Fig. 1 is a circuit diagram of an embodiment of a constant-current high-power LED color temperature adjusting circuit controller according to the present invention.
Detailed Description
An embodiment of the constant-current high-power LED color temperature adjusting circuit controller according to the present invention is further described with reference to fig. 1.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments to describe one element or feature's relationship to another element or feature as illustrated in the figures for ease of description. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, and do not necessarily require or imply any actual relationship or order between such elements.
A constant-current high-power LED color temperature regulating circuit controller comprises a light emitting unit, a color temperature regulating unit connected with the light emitting unit and used for outputting different voltages; the voltage reduction and stabilization circuit is electrically connected with the color temperature adjusting unit and used for supplying power to the color adjusting unit and reducing and stabilizing voltage; the overcurrent protection unit is connected with the light-emitting unit, be used for providing overcurrent protection, carry out the output of different voltages through step-down voltage stabilizing circuit to the color temperature regulating unit, thereby form the output of LED lamp different power, in order to reach the guarantee of different color temperatures, moreover, through the overcurrent protection unit, protect the circuit, promote the stability of regulation, therefore, the clothes hanger is strong in practicability, simple in structure, rethread remote controller adjusts output power, adjust to the same, shipment is carried out to the LED lamp after the adjustment, therefore, the clothes hanger is strong in practicability.
The invention further provides that the color temperature adjusting unit comprises a U1 chip and a U2 chip, wherein a pin of U1 (3) is connected with a potentiometer RH1, pins of output ends (6) and (7) of U1 are connected with input ends (1) and (2) of U2, pins of output ends (7) and (8) of U2 are respectively connected with an MOS tube Q1 and an MOS tube Q2, the pins of the potentiometers RH1 and U1 (3) are adjusted to input a 0-5V analog level signal, after the U1 processing, the pins of U1 (6) and (7) output complementary 2 paths of PWM signals with 0-100% duty ratio, the 2 paths of PWM signals are input to 2 input ends INA.INB of U2, the PWM input level of 3-5V is converted into 20 more than Z10-12V, and the output driving voltage drives the MOS tube Q1.Q2, so that the color temperature of the LED lamp can be adjusted.
The invention further provides that the voltage reduction and voltage stabilization circuit comprises a first branch circuit consisting of a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a diode D3 and a filter capacitor EC3, and a second branch circuit consisting of a resistor R9, a resistor R11, a resistor R13, a diode D1, a diode D2 and a filter capacitor EC2, wherein the voltage reduction and voltage stabilization circuit consists of R1-R8.D3.EC3 and R9-R13.D1.D2.EC2, and respectively supplies power for U1.U2, adopts the output of two-way voltage, can regulate the power through U1 and U2, and improves the stability of the output.
The invention is further set that the first branch circuit and the second branch circuit are connected with an external power supply VCC, and a filter capacitor EC1 is connected between the external power supply VCC and the second branch circuit in parallel, thereby ensuring the stability in power regulation, reducing the AC ripple coefficient, improving the output of high-efficiency smooth current, and having strong practicability and simple structure.
The invention further provides that a resistor R1 and a resistor R2 are connected in parallel and are connected with a live wire, a resistor R3 and a resistor R4 are connected in parallel, a resistor R5 and a resistor R6 are connected in parallel, a resistor R7 and a resistor R8 are connected in parallel, a diode D3 and a filter capacitor EC3 are connected in parallel, resistors R1, R3, R5, R7 and a diode D3 are connected in series, resistors R2, R4, R6, R8 and the filter capacitor EC3 are connected in series, resistors R9, R11, R13 and a diode D1 are connected in series, a diode D1, a diode D2 and a filter capacitor EC2 are connected in parallel, and the output end of the diode D1 is connected with the pin of the input end (4) of the U1.
The overcurrent protection circuit is further provided with an overcurrent protection unit composed of RS1, U2, R22 and C2, wherein a pin of an output end (6) of the U2 is connected with the C2 and the RS1, and the C2 and the RS1 are connected in parallel and grounded.
The invention is further set that a current detection module is arranged at the output end of the pin (6) of the U2 and is used for triggering overcurrent protection and stopping the output of the U2 when detecting that the output voltage of the pin (6) of the U2 exceeds 200mV, and by adopting the structure, the overcurrent protection is triggered and the output of the U2 is stopped until fault elimination through the current detection module arranged at the output end of the pin (6) of the U2 when detecting that the output voltage exceeds 200mV, so that the circuit is protected from being damaged, the protection effect on the circuit is improved, and the invention has simple structure and strong practicability.
The LED lamp is further provided with an AD conversion chip as a U1 chip, a level conversion chip as a U2 chip, a GP9393 SOP-8 chip type adopted by U1 and a JL2233B chip type adopted by U2, and the LED lamp improves the stability of power output and ensures the convenience of adjusting the color temperature of the LED lamp, and has strong practicability and simple structure.
The invention is further set that the light-emitting units are a plurality of LED lamps, the light-emitting units adopted in the invention are the LED lamps, other light-emitting elements also belong to the adjustable range, and the practical range is not limited.
The above description is only a preferred embodiment of the present invention and should not be construed as limiting the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.
Claims (9)
1. A constant-current high-power LED color temperature regulating circuit controller is characterized by comprising a light emitting unit and a color temperature regulating unit connected with the light emitting unit, wherein the color temperature regulating unit is used for outputting different voltages;
the voltage reduction and stabilization circuit is electrically connected with the color temperature adjusting unit and used for supplying power to the color adjusting unit and reducing and stabilizing voltage;
the overcurrent protection unit is connected with the light-emitting unit and used for providing overcurrent protection;
and a remote control for controlling the power output.
2. The constant-current high-power LED color temperature adjusting circuit controller according to claim 1, wherein the color temperature adjusting unit comprises a U1 chip and a U2 chip, a potentiometer RH1 is connected to a pin of the U1 (3), output terminals (6) (7) of the U1 are connected to input terminals (1) (2) of the U2, and output terminals (7) (8) of the U2 are respectively connected to the MOS transistor Q1 and the MOS transistor Q2.
3. The controller according to claim 2, wherein the buck regulator circuit comprises a first branch consisting of a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a diode D3, and a filter capacitor EC3, and a second branch consisting of a resistor R9, a resistor R11, a resistor R13, a diode D1, a diode D2, and a filter capacitor EC2, wherein the first branch supplies power to U2, and the second branch supplies power to U1.
4. The constant-current high-power LED color temperature modulation circuit controller according to claim 3, wherein the first branch and the second branch are connected with an external power supply VCC, and a filter capacitor EC1 is connected in parallel between the external power supply VCC and the second branch.
5. The constant-current high-power LED color temperature modulation circuit controller according to claim 4, wherein the resistor R1 and the resistor R2 are connected in parallel and are connected with a live wire, the resistor R3 and the resistor R4 are connected in parallel, the resistor R5 and the resistor R6 are connected in parallel, the resistor R7 and the resistor R8 are connected in parallel, the diode D3 and the filter capacitor EC3 are connected in parallel, the resistors R1, R3, R5 and R7 and the diode D3 are connected in series, the resistors R2, R4, R6 and R8 and the filter capacitor EC3 are connected in series, the resistors R9, R11 and R13 and the diode D1 are connected in series, the diode D1, the diode D2 and the filter capacitor EC2 are connected in parallel, and the output end of the controller is connected with the pin (4) of the U1.
6. The constant-current high-power LED color temperature modulation circuit controller according to claim 2, wherein the over-current protection unit is composed of RS1, U2, R22 and C2, a pin of the output end (6) of the U2 is connected with the C2 and the RS1, and the C2 and the RS1 are connected in parallel and grounded.
7. The constant-current high-power LED color temperature adjusting circuit controller according to claim 4, wherein a current detection module is arranged at the output end of the pin (6) of the U2, and is used for triggering overcurrent protection and stopping U2 output when the output voltage of the pin (6) of the U2 exceeds 200 mV.
8. The constant-current high-power LED color temperature regulating circuit controller according to claim 2, wherein the U1 chip is an AD conversion chip, and the U2 chip is a level conversion chip.
9. The constant-current high-power LED color temperature adjusting circuit controller according to claim 1, wherein the light emitting units are a plurality of LED lamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111190879.7A CN115988699A (en) | 2021-10-13 | 2021-10-13 | Constant-current high-power LED color temperature adjusting circuit controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111190879.7A CN115988699A (en) | 2021-10-13 | 2021-10-13 | Constant-current high-power LED color temperature adjusting circuit controller |
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| Publication Number | Publication Date |
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| CN115988699A true CN115988699A (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111190879.7A Pending CN115988699A (en) | 2021-10-13 | 2021-10-13 | Constant-current high-power LED color temperature adjusting circuit controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116600437A (en) * | 2023-07-19 | 2023-08-15 | 深圳市美尚照明有限公司 | LED lamp strip and method for quickly adjusting color temperature and color tolerance |
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2021
- 2021-10-13 CN CN202111190879.7A patent/CN115988699A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116600437A (en) * | 2023-07-19 | 2023-08-15 | 深圳市美尚照明有限公司 | LED lamp strip and method for quickly adjusting color temperature and color tolerance |
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