CN203951436U - A kind of portable type solar energy charging portable power source - Google Patents

Abstract

The utility model discloses a portable solar charging mobile power supply with a novel structure. Including silicon crystal board, circuit board, lithium battery, multi-head charging cable, power detection and digital tube display module and clamshell case. Among them, the silicon crystal board adopts two solar silicon crystal boards connected in parallel to connect to the circuit board, and the lithium battery can be charged by solar energy, 5V DC or commercial power through the adapter through the control of the circuit board. The mobile power supply adopts a clamshell shell structure, which is small in size and easy to carry; because it adopts a parallel structure of two solar silicon crystal panels, the output power is relatively large, and at the same time it uses a multi-head charging cable, so it can be charged for different types of mobile phones, cameras, etc. anytime, anywhere. Simultaneous fast charging of multiple mobile electronic devices.

Description

A portable solar charging mobile power supply

technical field

The utility model relates to a mobile power supply, in particular to a portable solar charging mobile power supply.

Background technique

In real life, when people are traveling, camping and other outdoor activities, mobile electronic devices such as mobile phones and digital cameras cannot be used due to lack of power, which has brought a lot of inconvenience to people's lives. In order to solve this problem, there is a portable charging device on the market - power bank. This kind of charging device is usually powered by mains power through an adapter. Just can't charge mobile electronic device again, and when people are carrying out field activities such as camping, travel, often there is no mains power around. Solar energy is the most direct, common and clean energy on the earth, and it is inexhaustible and inexhaustible. For this reason, we have designed a portable solar charging mobile power supply with a novel structure for emergency charging of mobile devices, which is convenient for people to use in camping, travel and emergency. The mobile power supply adopts a clamshell shell structure, which is small in size and easy to carry; it can be charged by solar energy, or by 5V DC or commercial power; due to the use of two solar silicon crystal panels in parallel structure and 5600mAh large-capacity lithium battery , the output power is large, and because of the multi-head charging cable, it can quickly charge mobile phones, cameras and other mobile electronic devices at the same time anytime and anywhere.

Contents of the invention

The purpose of the utility model is to provide a portable solar mobile power supply with simple structure, fast and convenient, energy saving and environmental protection.

The utility model adopts the following scheme to realize: it includes a silicon crystal board, a circuit board, a lithium battery, a multi-head charging line, a battery power detection and digital tube power display module, a flip-type shell, and the circuit board includes a microcontroller, battery protection Module, charge management module, discharge management module, AC/DC input interface and battery charge and discharge indicator light, characterized in that two silicon crystal boards are connected to the circuit board, the lithium battery is connected to the circuit board, and the circuit board is also connected to the battery power detection and digital tube The power display module, the multi-head charging line is connected to the power output terminal of the discharge management module; the microcontroller is connected to the battery protection module, the charge management module, the discharge management module and the battery charge and discharge indicator; the clamshell shell connects all components of the mobile power supply fixed in the shell.

The silicon crystal board adopts two solar silicon crystal boards connected in parallel to the charging management module connected to the circuit board, and the two solar silicon crystal boards are respectively fixed on the lithium battery in the shell base and on the flip cover inside the shell.

The lithium battery adopts a 5600mAh high-capacity lithium battery, which can be charged by various methods such as solar energy, 5V direct current or commercial power through an adapter through the control of the circuit board.

One end of the multi-head charging line is connected to the power output port of the circuit board discharge management module, and the other end is a multi-head charging line port. There are three interfaces on the multi-head charging cable, one is the Android phone charging interface, the other is the Nokia mobile phone charging interface, and the other is the USB interface.

The battery power detection and digital tube power display module is composed of 89C52 (U1), 74HC573 (U2), digital tube (U3), LM3914 (U4) and other parts. VCC is connected to the positive pole of the lithium battery, GND is connected to the negative pole of the lithium battery; both IC1 (U5) and IC2 (U6) are voltage stabilizing circuits composed of TL431 and its circuit parts, IC1 keeps the output voltage at 3V, and IC2 keeps the output voltage at 5V ;The specific connection method is shown in the figure: pins 1, 2, 3, 4, 5, 6, and 7 of the digital tube are respectively connected to pins 2, 3, 4, 5, 6, 7, and 8 of the 74HC573U1; Pin 11 of 74HC573 is connected to pin 28 of 89C52, pins 13, 14, 15, 16, 17, 18, and 19 of 74HC573 are respectively connected to pins 33, 34, 35, 36, 37, 38, and 39 of 89C52 No. 1, 2, 3, 4, 5, 6, 7, 8, 10, 11 pins of 89C52 are respectively connected with 1, 10, 11, 12, 13, 14, 15, 16, 17 of LM3914 , Pin 18 is connected, pin 18 and pin 18 of 89C52 are connected to the crystal oscillator; pin 7 of LM3914 is connected to a 1.2K ohm resistor and then GND, pin 4 is connected to IC1 and then VCC, pin 5 is connected to VCC; Pin 8 of the digital tube, pin 1 and pin 10 of 74HC573, pin 20 of 89C52, pin 2 and pin 8 of LM3914 are connected to GND; pin 20 of 74HC, pin 3 of LM3914 and No. 6 and No. 40 pins of 89C52 are all connected to IC2, and then connected to VCC. VCC is connected to the positive pole of the lithium battery, and GND is connected to the negative pole of the lithium battery.

In the clamshell shell structure, the lithium battery is fixed on the upper left side of the box base of the clamshell shell structure, a silicon crystal board is fixed on the lithium battery, another silicon crystal plate is fixed on the clamshell inside the shell, and the digital tube power display module Installed on the upper right of the box base, the circuit board is fixed on the lower right of the box base, and one end of the multi-head charging cable is placed behind the circuit board on the lower left of the box base. When charging with solar cells, open the flip cover so that the two silicon crystal panels are fully exposed to the sun, take out the multi-head charging cable port, and plug the mobile device to be charged into the corresponding interface. After charging is completed Put the charging cable in the bottom left of the box base, and cover the box cover, so as to protect the silicon crystal plate, and make the structure compact and easy to carry.

The technical effect of the utility model: (1) Two solar silicon crystal panels and a 5600mAh large-capacity lithium battery are used, so the output power is relatively large, and fast charging can be realized; (2) It has multiple charging modes such as solar energy, AC and DC, etc. Strong flexibility, easy to use, energy saving and environmental protection. (3) The clamshell structure is adopted to make the structure compact and easy to carry. (4) Due to the use of multi-head charging cables, data cables are not required, and multiple mobile electronic devices such as mobile phones and cameras can be directly and quickly charged at the same time, which is simple and convenient to use. (5) There is a digital tube power display module, which can directly observe the remaining power and know the remaining power in real time. (6) It is especially suitable for fast charging of mobile devices such as mobile phones and cameras during travel, camping and other outdoor activities.

Description of drawings

Figure 1 is a schematic diagram of the appearance of the utility model.

Fig. 2 is a schematic diagram of the expanded appearance of the utility model.

Fig. 3 is a sectional view of the utility model.

Fig. 4 is a schematic diagram of a multi-head charging cable of the present invention.

Fig. 5 is the overall structure diagram of the utility model.

Fig. 6 is the circuit board structural diagram of the utility model

Fig. 7 is a circuit diagram of the battery power detection and digital tube power display module of the present invention.

In the figure: 1. Charge and discharge indicator light, 2. AC and DC input interface, 3. Box top, 4. Box base, 5. Crystal silicon board, 6. Multi-head charging cable, 7. Battery power detection and digital tube power indication module , 8. Lithium battery, 9. Circuit board, 10. Nokia mobile phone charging interface, 11. USB interface, 12. Android mobile phone charging interface, 13. Multi-head charging cable connection end, 14. Microcontroller, 15. Battery protection module , 16, charging management module, 17, discharging management module.

Detailed ways

For ease of understanding, the embodiments of the present utility model will be further explained below in conjunction with the accompanying drawings.

Below in conjunction with accompanying drawing, structure, working principle and working process of the present utility model are described in detail:

As shown in Figure 1, Figure 2, Figure 3, Figure 4, and Figure 5, a portable solar charging mobile power supply includes a silicon crystal plate (5), a circuit board (9), a lithium battery (8), and a multi-head charging line ( 6), battery power detection and digital tube power indicator module (7), clamshell shell, as shown in Figure 6, the circuit board (9) includes a microcontroller (14), battery protection module (15), charging management module (16), discharge management module (17), AC/DC input interface (2) and battery charging and discharging indicator light (1), which is characterized in that two silicon crystal boards (5) are connected in parallel to the circuit board (9), so that Increase the output power of the charging power supply to achieve fast charging; the lithium battery (8) is a 5600mAh lithium battery, connected to the circuit board (9), and controlled by the circuit board (9), it can realize various functions such as solar energy, 5V DC or commercial power through an adapter. The circuit board (9) is also connected to the battery power detection and digital tube power display module (7), and the battery power detection and digital tube power display module (7) is used to check the remaining battery power value at any time; multi-head charging The multi-head charging line connection end (13) of the line (6) is connected to the power output end of the discharge management module (17); the microcontroller (14) is connected to the battery protection module (15), the charge management module (16), the discharge management The module (17), the AC/DC input interface (2) and the battery charge and discharge indicator light (1) are connected; the clamshell shell fixes all the components of the mobile power supply in the shell.

As shown in Figure 2, the silicon crystal board (5) uses two solar silicon crystal boards connected in parallel to the charging management module (16) connected to the circuit board, and the two solar silicon crystal boards are respectively fixed in the lithium battery ( 8) On the top and the flip cover inside the shell.

As shown in Figure 2 and Figure 3, the lithium battery (8) is fixed on the upper left of the box base, and the lithium battery is a 5600mAh lithium battery, which can be controlled by the circuit board (9) to realize solar energy, 5V DC or commercial power through an adapter, etc. There are many ways to charge it.

As shown in Fig. 4, the multi-head charging line connection end (13) is connected to the power output end of the discharge management module (17), and the other end is a multi-head charging line port. There are three interfaces on the multi-head charging cable (6), one is an Android mobile phone charging interface (12), one is a Nokia mobile phone charging interface (10), and one is a USB interface (11).

As shown in Figure 7, the battery power detection and digital tube power display module (7) is composed of 89C52 (U1), 74HC573 (U2), digital tube (U3), LM3914 (U4) and other parts. VCC is connected to the positive pole of the lithium battery, GND is connected to the negative pole of the lithium battery; both IC1 (U5) and IC2 (U6) are composed of TL431 and its circuit parts, and the voltage regulator circuit is used. IC1 keeps the output voltage at 3V, and IC2 keeps the output voltage at 3V. At 5V; the specific connection method is shown in the figure: pins 1, 2, 3, 4, 5, 6, and 7 of the digital tube are respectively connected to pins 2, 3, 4, 5, 6, 7, and 8 of the 74HC573U1 Connected; pin 11 of 74HC573 is connected to pin 28 of 89C52, and pins 13, 14, 15, 16, 17, 18, and 19 of 74HC573 are respectively connected to pins 33, 34, 35, 36, 37, and 38 of 89C52 , 39 pins connected; 89C52's 1, 2, 3, 4, 5, 6, 7, 8, 10, 11 pins are respectively connected with LM3914's 1, 10, 11, 12, 13, 14, 15, 16 , Pins 17 and 18 are connected, pins 18 and 18 of 89C52 are connected to the crystal oscillator; pin 7 of LM3914 is connected to a 1.2K ohm resistor and then GND, pin 4 is connected to IC1 and then VCC, and pin 5 is connected to VCC; pin 8 of the digital tube, pin 1 and pin 10 of 74HC573, pin 20 of 89C52, pin 2 and pin 8 of LM3914 are all connected to GND; pin 20 of 74HC, pin 3 of LM3914 No. and No. 6, No. 40 pins of 89C52 are all connected to IC2, and then connected to VCC. VCC is connected to the positive pole of the lithium battery, and GND is connected to the negative pole of the lithium battery.

As shown in Figure 1, Figure 2, and Figure 3, the clamshell shell structure fixes the lithium battery (8) on the upper left of the box base, and a silicon crystal plate (5) is fixed on the lithium battery (8). A silicon crystal plate (5) is fixed on the flip cover inside the shell, the battery power detection and digital tube power indicator module (7) is installed on the upper right of the box base, the circuit board (9) is fixed on the lower right of the box base, and the multi-head charging cable (6) Connect one end to the circuit board (9) and place it on the bottom left of the box base. When using AC and DC charging, insert the output of the AC adapter or the 5V DC output terminal into the AC and DC input interface (2); when using solar battery charging, open the cover so that the two silicon crystal plates (5) are fully exposed to the Under the sun, take out the multi-head charging cable (6) port of the multi-head charging cable, plug the mobile device to be charged into the corresponding interface, put the charging cable at the bottom left of the box base after charging, and cover the box cover, so that It can not only protect the silicon crystal plate (5), but also make the structure compact and easy to carry.

The specific operation is as follows: use the photovoltaic effect of the silicon crystal plate (5) to convert solar energy into electrical energy, and store the electrical energy in the 5600mAh lithium battery (8) via the microcontroller (14) and the charging management module (16) of the circuit board (9). middle. When in use, the mobile device to be charged is plugged into the corresponding output port of the multi-head charging cable, and the electric energy stored in the lithium battery (8) passes through the microcontroller (14) and the discharge management module (17), which can be used for external charging. Portable device charging, suitable for emergency charging of portable devices with a charging working voltage of about 5v. There are three interfaces on the multi-head charging cable (6), Android charging mobile phone interface (12), Nokia mobile phone charging interface (10) and USB interface (11), which can directly support Android mobile phone, Nokia mobile phone charging and data line charging of other mobile phones.

By observing the battery power detection and digital tube power indication module (7), the remaining power of the product can be known. When the external power supply is not connected to the load, the external power supply is turned off after judgment by the microcontroller, so as to save electric energy. In addition, the mobile power supply of the utility model can also be charged with 5V DC or with commercial power through an adapter to store electric energy.

Claims (6)

1. A portable solar charging mobile power supply, including a silicon crystal plate, a circuit board, a lithium battery, a multi-head charging line, a battery power detection and digital tube power display module, a clamshell shell, a circuit board including a microcontroller, and a battery protection module , charge management module, discharge management module, AC/DC input interface and battery charge and discharge indicator light, which is characterized in that two silicon crystal boards are connected to the circuit board, the lithium battery is connected to the circuit board, and the circuit board is also connected to the battery power detection and digital tube power The display module and the multi-head charging cable are connected to the power output terminal of the discharge management module; the microcontroller is connected to the battery protection module, the charge management module, the discharge management module and the battery charge and discharge indicator; the clamshell shell fixes all the components of the mobile power supply inside the shell. 2. The portable solar charging mobile power supply according to claim 1, characterized in that the silicon crystal board adopts two solar silicon crystal boards connected in parallel to the charging management module connected to the circuit board, and the two solar silicon crystal boards are respectively fixed on the On the top of the lithium battery in the shell base and on the flip cover inside the shell. 3. The portable solar charging mobile power supply according to claim 1, characterized in that one end of the multi-head charging line is connected to the power output port of the circuit board discharge management module, and the other end is a multi-head charging line port, and there are three on the multi-head charging line Interface, one is Android mobile phone charging interface, one is Nokia mobile phone charging interface, and the other is USB interface. 4. The portable solar charging mobile power supply according to claim 1, characterized in that the lithium battery is fixed on the top left of the box base of the clamshell shell, a silicon crystal plate is fixed on the lithium battery, and another silicon crystal plate is fixed on the shell On the flip cover, the digital tube power display module is installed on the upper right of the box base, the circuit board is fixed on the lower right of the box base, and one end of the multi-head charging cable is connected to the circuit board and placed on the lower left of the box base. 5. The portable solar rechargeable mobile power supply according to claim 1, wherein the lithium battery adopts a 5600mAh lithium battery. 6. The portable solar charging mobile power supply according to claim 1, characterized in that the battery power detection and digital tube power display module includes 89C52 (U1), 74HC573 (U2), digital tube (U3), LM3914 (U4 ), VCC is connected to the positive pole of the lithium battery, GND is connected to the negative pole of the lithium battery; both IC1 (U5) and IC2 (U6) are voltage stabilizing circuits composed of TL431 and its circuit parts, IC1 keeps the output voltage at 3V, and IC2 keeps the output voltage at At 5V; the specific connection method is shown in the figure: pins 1, 2, 3, 4, 5, 6, and 7 of the digital tube are respectively connected to pins 2, 3, 4, 5, 6, 7, and 8 of the 74HC573U1 Connected; pin 11 of 74HC573 is connected to pin 28 of 89C52, and pins 13, 14, 15, 16, 17, 18, and 19 of 74HC573 are respectively connected to pins 33, 34, 35, 36, 37, and 38 of 89C52 , 39 pins connected; 89C52's 1, 2, 3, 4, 5, 6, 7, 8, 10, 11 pins are respectively connected with LM3914's 1, 10, 11, 12, 13, 14, 15, 16 , Pins 17 and 18 are connected, pins 18 and 18 of 89C52 are connected to the crystal oscillator; pin 7 of LM3914 is connected to a 1.2K ohm resistor and then GND, pin 4 is connected to IC1 and then VCC, and pin 5 is connected to VCC; pin 8 of the digital tube, pin 1 and pin 10 of 74HC573, pin 20 of 89C52, pin 2 and pin 8 of LM3914 are all connected to GND; pin 20 of 74HC, pin 3 of LM3914 Pin No. 6 and No. 40 of 89C52 are all connected to IC2, and then connected to VCC. VCC is connected to the positive pole of the lithium battery, and GND is connected to the negative pole of the lithium battery.