Double-color pupil lamp control circuit

Abstract

The utility model relates to a bicolor pupil lamp control circuit, including control chip U1, LED drive module, power supply charging module and power supply interface module, the control chip U1 is connected with LED drive module, the LED drive module includes triode Q1 and triode Q2, triode Q1 and triode Q2 are connected with LED1 and LED2 respectively, triode Q1 is connected with resistor R2, the resistor R2 is connected with the power supply charging module, the power supply interface module is connected with the power supply charging module, and the power supply charging module is connected with the power supply interface module. The triode Q2 is connected with a resistor R5, the resistor R2 is connected with a pin 6 of the control chip U1, the resistor R5 is connected with a pin 4 of the control chip U1, a pin 3 of the control chip U1 is connected with a resistor R8 and a switch SW-PB, and when the switch SW-PB is connected to a circuit, the color development states of the LED1 and the LED2 are changed. According to the utility model, through the ingenious connection of the control chip U1 and the LED driving module and the control of the external switch SW-PB, the switching of various color development states of the LED 1 and the LED 2 can be conveniently realized, and the requirements of users on diversified lighting effects are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to lighting control circuit technical field, concretely relates to a kind of double color pupil lamp control circuit. BACKGROUND

[0002] In the lighting field, the demand for lamps with diversified display effects is increasing. Traditional single-color lamps cannot meet people's pursuit of personalized and diversified visual effects. However, some lamps with double-color display function often have complex structure, inflexible control, high cost and other problems. For example, some existing circuits need complex logic control units to realize double-color switching, resulting in large overall circuit size, high power consumption and low reliability. Therefore, it is of great practical significance to develop a double-color pupil lamp control circuit with simple structure, low cost and flexible control. SUMMARY

[0003] The utility model aims at providing a kind of double color pupil lamp control circuit, can realize the flexible control of double color pupil lamp, with simple structure, low cost and stable and reliable and so on.

[0004] To achieve the above purpose, the utility model provides the following technical scheme,

[0005] A double color pupil lamp control circuit, characterized in that it comprises a control chip U1, an LED driving module, a power charging module, and a power interface module. The control chip U1 is connected to the LED driving module, which includes a transistor Q1 and a transistor Q2. The transistor Q1 and the transistor Q2 are connected to LED1 and LED2 respectively. The transistor Q1 is connected to a resistor R2, and the transistor Q2 is connected to a resistor R5. The resistor R2 is connected to pin 6 of the control chip U1, and the resistor R5 is connected to pin 4 of the control chip U1. Pin 3 of the control chip U1 is connected to a resistor R8 and a switch SW-PB. When the switch SW-PB is connected to the circuit, the color rendering state of LED1 and LED2 changes. The resistor R8 is connected in parallel with a resistor R3, where the resistor R3 is connected to the input terminal, and the resistance value of the resistor R8 is 0. The resistance value of the resistor R3 is 1.5KΩ.

[0006] The utility model further provides that the power charging module includes a charging chip, and the 3-pin of the charging chip is connected to a battery. The 5-pin of the charging chip is connected to a full-charge indicator LED3, and the 1-pin of the charging chip is connected to a charging status indicator LED4. When charging stops, the 1-pin is in a high-resistance state, and the LED4 is turned off. The 4-pin of the charging chip is connected to the power interface module.

[0007] The utility model further provides that the power interface module is a TPYE-C interface module.

[0008] The resistance of the resistors R2 and R5 is 1.5KΩ.

[0009] The triode Q1 and the triode Q2 are NPN type.

[0010] The triode Q1 and the triode Q2 are NPN type.

[0011] The triode Q1 and the triode Q2 are NPN type.

[0012] The triode Q1 and the triode Q2 are NPN type. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application, and do not limit the application. In the drawings:

[0014] Figure 1 It is a schematic diagram of the principle of the embodiment of the utility model. DETAILED DESCRIPTION

[0015] The embodiments of the application will be described in detail below with reference to the accompanying drawings and embodiments, so that the implementation process of how the application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0016] As shown in Figure 1 The utility model discloses a kind of dual-color pupil lamp control circuits, including control chip U1, LED drive module, power charging module and power interface module, the control chip U1 connects LED drive module, wherein LED drive module includes triode Q1 and triode Q2, the triode Q1 and triode Q2 are connected with LED1 and LED2 respectively, the triode Q1 is connected with resistor R2, the triode Q2 is connected with resistor R5, the resistor R2 connects the 6 pin of control chip U1, the resistor R5 connects the 4 pin of control chip U1, the 3 pin of control chip U1 is connected with resistor R8 and switch SW-PB, when switch SW-PB is accessed to circuit, so that the color rendering state of LED1 and LED2 changes, the resistor R8 is connected with resistor R3 in parallel, wherein resistor R3 connects input, the resistance of resistor R8 is 0, the resistance of resistor R3 is 1.5KΩ.

[0017] The power charging module includes a charging chip. Pin 3 of the charging chip is connected to the battery. Pin 5 of the charging chip is connected to a full charge indicator LED3. Pin 1 of the charging chip is connected to a charging status indicator LED4. When charging stops, pin 1 is in a high-resistance state and LED4 is off. Pin 4 of the charging chip is connected to a power interface module.

[0018] The power interface module is a TPYE-C interface module.

[0019] The resistance of resistors R2 and R5 is 1.5KΩ.

[0020] The transistors Q1 and Q2 are NPN type.

[0021] A resistor R1 is provided between transistor Q1 and LED1, and a resistor R4 is provided between Q2 and LED1. The resistance values ​​of resistors R1 and R4 are 36Ω.

[0022] In this invention, the FT60E210-URT is selected as the control chip U1. This chip has abundant input and output pins and flexible programming control functions, which can meet the requirements of this circuit for controlling the color display status of LED lights.

[0023] NPN transistors Q1 and Q2, such as the common S8050 transistor, are selected. They have high current amplification and good switching characteristics, which can effectively drive LED1 and LED2.

[0024] The charging chip selected is the LP4057B6F, which is specifically designed for lithium battery charging management. It has high-precision charging voltage and current control capabilities, ensuring safe and efficient battery charging.

[0025] Resistors R1, R2, R4, R5, R3, R8, and other resistors in the circuit should be selected with appropriate precision and power ratings according to the circuit design requirements to ensure the stability and reliability of the circuit.

[0026] Select appropriate dual-color LEDs as LED1 and LED2, and ordinary LEDs as LED3 and LED4 to ensure that their brightness and color meet the design requirements.

[0027] The TYPE-C interface module is selected from products that meet relevant standards to ensure that its electrical and mechanical performance meets the requirements of circuit use.

[0028] This invention, through the ingenious connection of the control chip U1 and the LED driver module, and the control of the external switch SW-PB, can easily switch between multiple color display states of LED1 and LED2, meeting users' needs for diverse lighting effects. The power charging module effectively manages battery charging; through the charging status indicator LED4 and the fully charged indicator LED3, users can intuitively understand the battery's charging status. Simultaneously, the stable performance of the charging chip ensures that the battery is charged under safe voltage and current conditions, extending battery life and improving the reliability of the entire circuit system. Using a TYPE-C interface module as the power interface allows users to easily connect various power devices that support TYPE-C interfaces, such as mobile phone chargers and power banks, greatly improving the convenience of circuit use.

[0029] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0030] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0031] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept by means of the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A dual-color pupil lamp control circuit, characterized in that, The circuit includes a control chip U1, an LED driver module, a power charging module, and a power interface module. The control chip U1 is connected to the LED driver module, which includes transistors Q1 and Q2. Transistors Q1 and Q2 are connected to LED1 and LED2, respectively. Transistor Q1 is connected to resistor R2, and transistor Q2 is connected to resistor R5. Resistor R2 is connected to pin 6 of the control chip U1, and resistor R5 is connected to pin 4 of the control chip U1. Pin 3 of the control chip U1 is connected to resistor R8 and switch SW-PB. When switch SW-PB is connected to the circuit, the color display state of LED1 and LED2 changes. Resistor R8 is connected in parallel with resistor R3, which is connected to the input terminal. The resistance of resistor R8 is 0, and the resistance of resistor R3 is 1.5KΩ.

2. The dual-color pupil lamp control circuit according to claim 1, characterized in that, The power charging module includes a charging chip. Pin 3 of the charging chip is connected to a battery. Pin 5 of the charging chip is connected to a full charge indicator LED3. Pin 1 of the charging chip is connected to a charging status indicator LED4. When charging stops, pin 1 is in a high-resistance state, and LED4 is off. Pin 4 of the charging chip is connected to a power interface module.

3. A dual-color pupil lamp control circuit according to claim 1 or 2, characterized in that, The power interface module is a TPYE-C interface module.

4. The dual-color pupil lamp control circuit according to claim 1, characterized in that, The resistances of resistors R2 and R5 are 1.5KΩ.

5. A dual-color pupil lamp control circuit according to claim 1, characterized in that, The transistors Q1 and Q2 are NPN type.

6. The dual-color pupil lamp control circuit according to claim 1, characterized in that, A resistor R1 is provided between transistor Q1 and LED1, and a resistor R4 is provided between Q2 and LED1. The resistance values ​​of resistors R1 and R4 are 36Ω.

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