Adjusting dual-color temperature lamp light source circuit

Abstract

The utility model discloses a kind of adjust dual-color temperature lamp light source circuit, including CPU module, wireless communication module is connected on the CPU module, the PWM1 pin and PWM2 pin on the wireless communication module are respectively connected with the PWM1 pin and PWM2 pin on CPU module, the wireless communication module receives remote instruction, outputs two color temperature control signals, the CPU module receives two color temperature control signals output by wireless communication module, the CPU module then according to the two color temperature control signals received, output three color temperature control signals;The utility model is realized in original double-channel lighting effect on superimposed third light output, make original lamp output dual-color temperature curve and blackbody curve infinitely close, reach the purpose of improving and improving illumination effect, finally realize more wide, more accurate color temperature regulation range, satisfy the lighting demand of huge market.

Description

Technical Field

[0001] This utility model relates to the field of lighting-related technology, specifically to a circuit for adjusting the light source of a dual-color temperature lamp. Background Technology

[0002] Color temperature adjustment in LED lighting involves mixing high-color-temperature and low-color-temperature LED chips in different proportions to achieve varying color temperatures. The blackbody color temperature curve describes the relationship between the color of blackbody radiation and temperature. According to the blackbody radiation law, the color of blackbody radiation is closely related to temperature and can be described by color temperature, expressed in Kelvin (K). Planck's radiation law allows calculation of the energy distribution of blackbody radiation at different temperatures. Discretizing the wavelength range from 400nm to 800nm ​​yields the blackbody color temperature curve. It's important to note that the blackbody color temperature curve is theoretical; actual light sources are often affected by other factors, such as the luminescent material and filters. Therefore, actual light sources may deviate from this theoretical range, resulting in less effective color temperature adjustment in existing LED lights. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a circuit for adjusting the light source of a dual-color temperature lamp.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: This utility model discloses a circuit for adjusting the light source of a dual-color temperature lamp, including a CPU module. A wireless communication module is connected to the CPU module, and the PWM1 pin and PWM2 pin of the wireless communication module are respectively connected to the PWM1 pin and PWM2 pin of the CPU module. The wireless communication module receives a remote command and outputs two color temperature control signals. The CPU module receives the two color temperature control signals output by the wireless communication module and outputs three color temperature control signals based on the received two color temperature control signals. The first output terminal of the CPU module is connected to the CW pin of the LED power output interface via a single MX driver module. The second output terminal of the CPU module is connected to the G pin of the LED power output interface via a single MZ driver module. The third output terminal of the CPU module is connected to the WW pin of the LED power output interface via a single MY driver module.

[0005] As a preferred embodiment of this utility model, it further includes capacitors EC2, EC5 and EC7. The capacitor EC2 is connected in parallel between the VO pin and the WW pin of the LED power output interface, the capacitor EC5 is connected in parallel between the VO pin and the G pin of the LED power output interface, and the capacitor EC7 is connected in parallel between the VO pin and the CW pin of the LED power output interface.

[0006] As a preferred embodiment of this utility model, it further includes resistors R31, R35 and R38. Resistor R31 is connected in parallel between the VO pin and the WW pin of the LED power output interface, resistor R35 is connected in parallel between the VO pin and the G pin of the LED power output interface, and resistor R38 is connected in parallel between the VO pin and the CW pin of the LED power output interface.

[0007] As a preferred embodiment of this utility model, an inductor is connected in series between the CW pin of the LED power output interface and the output terminal of the single-channel MX driver module, between the G pin of the LED power output interface and the output terminal of the single-channel MZ driver module, and between the WW pin of the LED power output interface and the single-channel MY driver module.

[0008] As a preferred embodiment of this utility model, it further includes a four-way DIP switch, one end of which is connected to one end of resistors R21, R40, R39, and R42. The other end of resistor R40 is connected to the PWM terminal of the single-channel MY drive module and to the PWMCW terminal of CON6 connected to CPU module 1. The other end of resistor R39 is connected to the PWM terminal of the single-channel MX drive module and to the PWMWW terminal of CON6 connected to CPU module 1. The other end of resistor R42 is connected to the PWM terminal of the single-channel MZ drive module and to the PWMG terminal of CON6 connected to CPU module 1. Each of the four DIP switches has a resistor connected in series at the other end. The end of the resistor not connected to the four DIP switch is connected to the other end of resistor R21. At the same time, the other end of resistor R21 is connected to resistor R20, and the other end of resistor R20 is connected to a 3.3V voltage. The other end of the four DIP switches is connected to the ADIM pin of the single-channel MX driver module, the single-channel MZ driver module, and the single-channel MY driver module.

[0009] The beneficial effects of this utility model are: 1. In this type of dual-color temperature lamp light source circuit, the wireless communication module receives a remote command and outputs two color temperature control signals. The CPU module receives the two color temperature control signals output by the wireless communication module and outputs three color temperature control signals based on the received two color temperature control signals. This achieves the superposition of a third light output on the original dual-channel lighting effect, making the original lamp output dual-color temperature curve infinitely close to the blackbody curve, thereby improving and enhancing the lighting effect. Ultimately, it achieves a wider and more precise color temperature adjustment range to meet the lighting needs of a huge market.

[0010] 2. This type of dual-color temperature lamp light source circuit uses a specially designed circuit where capacitors EC2, EC5, and EC7 act as filters, resistors R31, R35, and R38 cancel out weak leakage current to prevent the lamp from not turning off, and a four-way DIP switch adjusts the current and power by changing the number of connected resistors. Attached Figure Description

[0011] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the structure of a dual-color temperature lamp light source circuit according to the present invention.

[0012] In the diagram: 1. CPU module; 2. Wireless communication module; 3. LED power output interface; 4. Single-channel MX driver module; 5. Single-channel MZ driver module; 6. Single-channel MY driver module. Detailed Implementation

[0013] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0014] Example: Figure 1 As shown, this utility model discloses a circuit for adjusting the light source of a dual-color temperature lamp, including a CPU module 1. A wireless communication module 2 is connected to the CPU module 1. The PWM1 pin and PWM2 pin of the wireless communication module 2 are respectively connected to the PWM1 pin and PWM2 pin of the CPU module 1. The wireless communication module 2 receives a remote command and outputs two color temperature control signals. The CPU module 1 receives the two color temperature control signals output by the wireless communication module 2 and outputs three color temperature control signals based on the received two color temperature control signals. Let the proportion of yellow light in the dual color temperature be W and the proportion of white light be C. Then the input dual color temperature parameters are W1 and C1, the output dual color temperature parameters are W2 and C2, and the superimposed green light parameter is G. The CPU module 1 calculates the input parameters W1 and C1 to obtain the output parameters W2, C2, and G.

[0015] The first output terminal of CPU module 1 is connected to the CW pin of LED power output interface 3 via a single-channel MX driver module 4. The second output terminal of CPU module 1 is connected to the G pin of LED power output interface 3 via a single-channel MZ driver module 5. The third output terminal of CPU module 1 is connected to the WW pin of LED power output interface 3 via a single-channel MY driver module 6. Wireless communication module 2 receives a remote command and outputs two color temperature control signals. CPU module 1 receives the two color temperature control signals output by wireless communication module 2 and outputs three color temperature control signals based on the received signals. This superimposes a third light output onto the original dual-channel lighting effect, making the original dual color temperature curve of the lamp output infinitely close to the blackbody curve, thereby improving and enhancing the lighting effect. Ultimately, this achieves a wider and more precise color temperature adjustment range to meet the lighting needs of a large market.

[0016] The system also includes capacitors EC2, EC5, and EC7. Capacitor EC2 is connected in parallel between the VO and WW pins of the LED power output interface 3, capacitor EC5 is connected in parallel between the VO and G pins of the LED power output interface 3, and capacitor EC7 is connected in parallel between the VO and CW pins of the LED power output interface 3. Capacitors EC2, EC5, and EC7 serve as filters to filter noise signals.

[0017] This also includes resistors R31, R35, and R38. Resistor R31 is connected in parallel between the VO and WW pins of the LED power output interface 3. Resistor R35 is connected in parallel between the VO and G pins of the LED power output interface 3. Resistor R38 is connected in parallel between the VO and CW pins of the LED power output interface 3. Resistors R31, R35, and R38 cancel out weak leakage current to prevent the light from not turning off. Inductors are connected in series between the CW pin of the LED power output interface 3 and the output terminal of the single-channel MX driver module 4, between the G pin of the LED power output interface 3 and the output terminal of the single-channel MZ driver module 5, and between the WW pin of the LED power output interface 3 and the single-channel MY driver module 6.

[0018] This includes a four-way DIP switch, with one end of each switch connected to one end of resistors R21, R40, R39, and R42. The other end of resistor R40 is connected to the PWM terminal of the single-channel MY drive module 6 and also to the PWMCW terminal of CON6 connected to CPU module 1. The other end of resistor R39 is connected to the PWM terminal of the single-channel MX drive module 4 and also to the PWMWW terminal of CON6 connected to CPU module 1. The other end of resistor R42 is connected to the PWM terminal of the single-channel MZ drive module 5 and also to the PWMG terminal of CON6 connected to CPU module 1. Each of the four-way DIP switches has a resistor connected in series at the other end. The end of the resistor not connected to the four-way DIP switch is connected to the other end of resistor R21. At the same time, the other end of resistor R21 is connected to resistor R20, and the other end of resistor R20 is connected to a 3.3V voltage. The other end of the four-way DIP switch is connected to the ADIM pin of the single-channel MX driver module 4, the single-channel MZ driver module 5, and the single-channel MY driver module 6. The four-way DIP switch can adjust the current and change the power by adjusting the number of connected resistors.

[0019] During operation, the wireless communication module 2 of this dual-color temperature lamp light source circuit receives a remote command and outputs two color temperature control signals. The CPU module 1 receives the two color temperature control signals output by the wireless communication module 2 and outputs three color temperature control signals based on the received two color temperature control signals. This achieves the superposition of a third light output on the original dual-channel lighting effect, making the original lamp output dual-color temperature curve infinitely close to the blackbody curve, thereby improving and enhancing the lighting effect. Ultimately, it achieves a wider and more precise color temperature adjustment range to meet the lighting needs of a huge market.

[0020] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A circuit for adjusting the light source of a dual-color temperature lamp, characterized in that: The system includes a CPU module (1), on which a wireless communication module (2) is connected. The PWM1 pin and PWM2 pin of the wireless communication module (2) are respectively connected to the PWM1 pin and PWM2 pin of the CPU module (1). The wireless communication module (2) receives a remote command and outputs two color temperature control signals. The CPU module (1) receives the two color temperature control signals output by the wireless communication module (2). The CPU module (1) then outputs three color temperature control signals based on the received two color temperature control signals. The first output terminal of the CPU module (1) is connected to the CW pin of the LED power output interface (3) via a single MX driver module (4). The second output terminal of the CPU module (1) is connected to the G pin of the LED power output interface (3) via a single MZ driver module (5). The third output terminal of the CPU module (1) is connected to the WW pin of the LED power output interface (3) via a single MY driver module (6).

2. The light source circuit of claim 1, wherein, It also includes capacitors EC2, EC5 and EC7. The capacitor EC2 is connected in parallel between the VO pin and the WW pin of the LED power output interface (3). The capacitor EC5 is connected in parallel between the VO pin and the G pin of the LED power output interface (3). The capacitor EC7 is connected in parallel between the VO pin and the CW pin of the LED power output interface (3).

3. The light source circuit of claim 2, wherein the first and second light emitting diodes are connected in series, and the first and second light emitting diodes are connected in parallel to the first and second capacitors, respectively. It also includes resistors R31, R35 and R38. Resistor R31 is connected in parallel between the VO pin and the WW pin of the LED power output interface (3). Resistor R35 is connected in parallel between the VO pin and the G pin of the LED power output interface (3). Resistor R38 is connected in parallel between the VO pin and the CW pin of the LED power output interface (3).

4. The light source circuit of claim 1, wherein, An inductor is connected in series between the CW pin of the LED power output interface (3) and the output of the single-channel MX driver module (4), between the G pin of the LED power output interface (3) and the output of the single-channel MZ driver module (5), and between the WW pin of the LED power output interface (3) and the single-channel MY driver module (6).

5. The light source circuit of claim 1, wherein, It also includes a four-way DIP switch, with one end of the four-way DIP switch connected to one end of resistors R21, R40, R39 and R42. The other end of resistor R40 is connected to the PWM terminal of the single-channel MY drive module (6) and to the PWMCW terminal of CON6 connected to CPU module 1. The other end of resistor R39 is connected to the PWM terminal of the single-channel MX drive module (4) and to the PWMWW terminal of CON6 connected to CPU module 1. The other end of resistor R42 is connected to the PWM terminal of the single-channel MZ drive module (5) and to the PWMG terminal of CON6 connected to CPU module (1). Each of the four-way DIP switches has a resistor connected in series at the other end. The end of the resistor that is not connected to the four-way DIP switch is connected to the other end of resistor R21. At the same time, the other end of resistor R21 is connected to resistor R20, and the other end of resistor R20 is connected to a 3.3V voltage. The other end of the four-way DIP switch is connected to the ADIM pin of the single-channel MX driver module (4), the single-channel MZ driver module (5), and the single-channel MY driver module (6).

Images