CN215956058U

CN215956058U - Solar energy charging device

Info

Publication number: CN215956058U
Application number: CN202022772551.3U
Authority: CN
Inventors: 郭业才; 李晨; 胡国乐; 朱鸿伟
Original assignee: Binjiang College of Nanjing University of Information Engineering
Current assignee: Binjiang College of Nanjing University of Information Engineering
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2022-03-04
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a solar charging device which comprises a reset circuit module, a clock module, a battery management chip module, a liquid crystal display module and a conversion chip module, wherein the reset circuit module, the clock module, the battery management chip module, the liquid crystal display module and the conversion chip module are connected with a single chip microcomputer, the battery management chip module is connected with a solar cell panel, and the conversion chip module converts electric quantity into digital signals and displays the digital signals through the liquid crystal display module. The solar charging device provided by the utility model has the advantages of small volume, convenience in carrying, simple and green circuit structure, cleanness and the like.

Description

Solar energy charging device

Technical Field

The utility model relates to a charger, in particular to a solar charging device.

Background

At present, the problem brought to people by fossil energy is not only reflected in the increasing consumption of fossil energy reserves, but also in the large demand of people on the fossil energy in daily life and industrial development, and meanwhile, people continuously develop and utilize the fossil energy, which causes pollution damage which is difficult to compensate for natural environment. Large amounts of carbon dioxide are emitted every year in the world, thereby causing greenhouse effect, so that the atmosphere becomes thin, the global climate is warmed, and natural disasters are continuously generated.

As a novel renewable energy source, the advantages of solar energy are huge, and firstly, the solar energy is an inexhaustible novel energy source; secondly, the sunlight is easy to obtain as long as the sunlight is sufficient. Solar energy is a green clean energy source, which is very friendly to the natural environment. Therefore, solar energy can be regarded as the most ideal alternative energy source for human beings. From the economic and environmental aspects, the development and utilization of solar energy is increasingly important, and the solar energy.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a solar charging device which fully develops and utilizes solar energy, meets the requirement of charging electric equipment by utilizing the solar energy anytime and anywhere, and enables the electric equipment to be charged more conveniently

The technical scheme is as follows: the utility model provides a solar charging device which comprises a reset circuit module, a clock module, a battery management chip module, a liquid crystal display module and a conversion chip module, wherein the reset circuit module, the clock module, the battery management chip module, the liquid crystal display module and the conversion chip module are connected with a single chip microcomputer, the battery management chip module is connected with a solar cell panel, and the conversion chip module converts electric quantity into digital signals and displays the digital signals through the liquid crystal display module.

Preferably, the solar panel adopts a polycrystalline silicon solar panel, and the battery management chip module adopts TP 4056.

Preferably, pins 1 of the liquid crystal display module are grounded, pins 2 are connected with a 5V positive power supply, and pins 4 to 14 are sequentially connected with pins 21 to 23 and pins 32 to 39 of the singlechip.

Preferably, the pin 1 of the battery management chip is connected to the output end of the solar panel, the pin 5 is connected to the positive end of the solar panel, and the pin 3 is grounded.

Preferably, the liquid crystal display module employs an LCD1602 liquid crystal display.

Preferably, the conversion chip module has pins 4 connected to ground, pins 8 connected to the positive power supply terminal, and

pins

5 and 6 connected to each other.

Preferably, the conversion chip module adopts an ADC0832 conversion chip

Has the advantages that: compared with the prior art, the utility model has the following advantages: the solar energy is fully utilized and directly converted into electric energy to charge the electric equipment, and the solar charging device is also provided with a voltage and current detection protection circuit and can automatically stop charging after charging is completed. The solar charging device circuit is simple in structure, convenient to operate, small in size and low in cost.

Drawings

FIG. 1 is a reset circuit module of the present invention;

FIG. 2 is a clock module of the present invention;

FIG. 3 is a schematic view of a liquid crystal display module according to the present invention;

fig. 4 is a chip conversion module according to the present invention.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings.

A solar charging device comprises a solar cell panel, a battery management chip module, a reset circuit module, a clock module, a single chip microcomputer module, a liquid crystal display module and a conversion chip module. Adopt AT89C51 singlechip as charging circuit's controller, the sunlight passes through solar cell panel and turns into the electric energy, is handled by battery charging management chip TP4056, charges for the lithium cell, when stepping up to 5V through the module that steps up after that, discharges for entire system, realizes the collection and the conversion of data through digital analog conversion module ADC0832 AT last, shows with LCD1602 liquid crystal display to realize the intelligent output and the control of circuit.

The battery management chip module is connected with the solar cell panel and used for charging the lithium battery.

The reset circuit module is connected with the singlechip module and used for restoring the circuit to an initial state. The clock module is connected with the singlechip module and is used for providing qualified clock signal flow for the singlechip.

The liquid crystal display module is connected with the singlechip module and is used for converting the received other signal modes into the display resolution inherent to the manufacture of the liquid crystal display and outputting various signals required for driving the LCD screen.

The conversion chip module is connected with the USB charging port and used for converting the received analog signals into digital signals. The solar cell panel adopts polycrystalline silicon solar cell panel, and battery management chip module adopts TP4056, and reset circuit module adopts the mode of a 10k resistance and 10uF electric capacity series connection, constitutes and goes up electric self-reset circuit, and clock module adopts a crystal oscillator, and two electric capacities constitute clock crystal oscillator circuit, liquid crystal display module adopts LCD1602 liquid crystal display, and conversion chip module adopts ADC0832 conversion chip.

The reset circuit is shown in fig. 1, and is formed by connecting a 10k resistor and a 10uF capacitor in series, wherein the resistor is grounded, the capacitor is connected to the positive input end of the input voltage, and the circuit is connected to pin 9 of the single chip AT89C 51.

The clock circuit diagram is shown in fig. 2, the circuit is a clock crystal oscillator circuit composed of a crystal oscillator and two capacitors, and the clock crystal oscillator circuit is connected with

pins

18 and 19 of the single chip microcomputer AT89C 51.

As shown in FIG. 3, the LCD module has pin 1 connected to ground, pin 2 connected to a 5V positive power supply, and pin 4-14 connected to the SCM 21-23 and pin 32-39.

As shown in fig. 4, the chip conversion module has a pin 4 connected to ground, a pin 8 connected to the positive terminal of the power supply, a pin 5 connected to a pin 6, and a pin combined, that is, DO and DI are connected in parallel to a data line for use.

Claims

1. The utility model provides a solar charging device, includes the reset circuit module that links to each other with the singlechip, clock module, its characterized in that still includes the battery management chip module that links to each other with the singlechip respectively, liquid crystal display module and conversion chip module, battery management chip module links to each other with solar cell panel, conversion chip module converts the electric quantity into digital signal and shows through liquid crystal display module.

2. The solar charging device of claim 1, wherein the solar panel is a polysilicon solar panel, and the battery management chip module is TP 4056.

3. The solar charging device as claimed in claim 1, wherein the lcd module has a pin 1 connected to ground, a pin 2 connected to a positive power supply of 5V, and pins 4-14 connected to pins 21-23 and pins 32-39 of the single chip microcomputer in sequence.

4. The solar charging device of claim 1, wherein the battery management chip has 1 pin connected to the output terminal of the solar panel, 5 pins connected to the positive terminal of the solar panel, and 3 pins connected to ground.

5. The solar charging device of claim 1, wherein the liquid crystal display module is an LCD1602 LCD.

6. The solar charging device of claim 1, wherein the conversion chip module is connected to ground at pin 4, to the positive power supply terminal at pin 8, and to pins 5 and 6.

7. The solar charging device of claim 6, wherein the conversion chip module employs ADC0832 conversion chip.