Control circuit for charging 18V solar panel to 3.2 V battery and boosting 30V battery

Abstract

The utility model discloses a control circuit for charging a 18V solar panel to a 3.2 V battery and boosting a 30V battery, which is arranged between the solar panel and a rechargeable battery and comprises an MUC main control circuit, a 0V starting circuit, a 30V boosting circuit and a power supply circuit, the power supply circuit is connected with the solar panel; the 30V boosted circuit is connected with the rechargeable battery, and the 0V starting circuit is connected with the 30V boosted circuit through the driving circuit; the power supply circuit is connected with the MUC master control circuit, and the MUC master control circuit is connected with the control end of the drive circuit. According to the utility model, the structure arrangement is reasonable, the stability and effectiveness of boost control can be improved through the structure, and the MCU main control circuit is used for controlling, so that the use requirements under different conditions can be met, and the application range of the boost control circuit is widened.

Description

Technical Field

[0001] This utility model belongs to the field of solar panel charging and voltage boosting technology, specifically relating to a control circuit for boosting a 18V solar panel to a 3.2V battery to 30V. Background Technology

[0002] Solar panels require a boost circuit to increase voltage during use in order to meet the charging requirements of a 3.2V battery. While conventional boost circuits can achieve voltage increase, they are not conducive to control and regulation, which to some extent affects the stability and convenience of use and limits their applicability. Summary of the Invention

[0003] The purpose of this utility model is to provide a control circuit for boosting a 18V solar panel to a 3.2V battery to 30V, which has a reasonable structural design and is conducive to improving the stability of use.

[0004] The technical solution to achieve the purpose of this utility model is a control circuit for boosting a 18V solar panel to a 3.2V battery to 30V, which is set between the solar panel and the rechargeable battery, including a main control circuit of MUC, a 0V start-up circuit, a 30V boost circuit and a power supply circuit.

[0005] The power supply circuit is connected to the solar panel;

[0006] The 30V boost circuit is connected to the rechargeable battery, and the 0V start-up circuit is connected to the 30V boost circuit through a drive circuit.

[0007] The power supply circuit is connected to the MUC main control circuit, and the MUC main control circuit is connected to the control terminal of the drive circuit.

[0008] A further preferred embodiment is that the 0V startup circuit includes a startup chip, a fifteenth resistor, a twenty-fourth resistor, a twenty-fifth resistor, and a thirteenth capacitor;

[0009] The startup chip is connected to a 3.2V power supply, and the fifteenth resistor is connected between the fifth and fourth pins of the startup chip.

[0010] The 25th resistor and the 13th capacitor are connected together, with one end connected to the 9V power supply and the other end connected to the third pin of the startup chip.

[0011] The 24th resistor is connected between the third pin of the startup chip and the ground line.

[0012] A further preferred embodiment is that the startup chip is a 3608 chip.

[0013] This utility model has positive effects: its structure is reasonably designed, which can improve the stability and effectiveness of boost control. Moreover, the control through the MUC main control circuit helps to meet the needs of different situations and improves its applicability. Attached Figure Description

[0014] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0015] Figure 1 This is a structural block diagram of the present invention;

[0016] Figure 2 This is a detailed circuit diagram of the MUC main control circuit and power supply circuit in this utility model;

[0017] Figure 3 This is a schematic diagram of the specific structure of the 0V start-up circuit, drive circuit and boost circuit in this utility model.

[0018] Figure labels: 1. MUC main control circuit, 2. 0V start-up circuit, 3. 30V boost circuit, 4. power supply circuit, 5. drive circuit. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0020] See Figures 1 to 3 As shown, a control circuit for boosting a 18V solar panel to a 3.2V battery to 30V is disposed between the solar panel and the rechargeable battery. It includes a main control circuit (MUC) 1, a 0V start-up circuit 2, a 30V boost circuit 3, and a power supply circuit 4. The power supply circuit is connected to the solar panel. The 30V boost circuit is connected to the rechargeable battery, and the 0V start-up circuit is connected to the 30V boost circuit via a drive circuit 5. Furthermore, the power supply circuit is connected to the main control circuit (MUC), and the main control circuit (MUC) is connected to the control terminal of the drive circuit. The drive circuit is used to drive the 30V boost circuit, while the main control circuit (MUC) is used to control and adjust the drive circuit, improving operational stability and reliability.

[0021] In practical applications, the 0V startup circuit includes a startup chip U4, a fifteenth resistor R15, a twenty-fourth resistor R24, a twenty-fifth resistor R25, and a thirteenth capacitor C13. During connection, the startup chip is connected to a 3.2V power supply, and the fifteenth resistor is connected between the fifth and fourth pins of the startup chip. The twenty-fifth resistor, after being connected to the thirteenth capacitor, is connected at one end to a 9V power supply and at the other end to the third pin of the startup chip. The twenty-fourth resistor is connected between the third pin of the startup chip and ground. The startup chip is a 3608 chip.

[0022] This utility model has positive effects: its structure is reasonably designed, which can improve the stability and effectiveness of boost control. Moreover, the control through the MUC main control circuit helps to meet the needs of different situations and improves its applicability.

[0023] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0024] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all embodiments here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A solar panel 18V charge 3.2V battery boost 30V control circuit, disposed between a solar panel and a charging battery, characterized by: The MUC master circuit, 0V starting circuit, 30V boosting circuit and power supply circuit are comprised; The power supply circuit is connected with the solar panel; The 30V boosting circuit is connected with the charging battery, and the 0V starting circuit is connected with the 30V boosting circuit through the driving circuit; The power supply circuit is connected with the MUC master circuit, and the MUC master circuit is connected with the control end of the driving circuit.

2. A solar panel 18V charge 3.2V battery boost 30V control circuit according to claim 1, wherein: The 0V starting circuit comprises a starting chip, a fifteenth resistor, a twenty-fourth resistor, a twenty-fifth resistor and a thirteenth capacitor; The starting chip is connected with a 3.2V power supply, and the fifteenth resistor is connected between the fifth pin and the fourth pin of the starting chip; The twenty-fifth resistor is connected with the thirteenth capacitor, and one end of the twenty-fifth resistor is connected with a 9V power supply, and the other end of the twenty-fifth resistor is connected with the third pin of the starting chip; The twenty-fourth resistor is connected between the third pin of the starting chip and the ground wire.

3. A solar panel 18V charge 3.2V battery boost 30V control circuit according to claim 2, characterized by: The model of the starting chip is 3608 chip.

Images