CN210183084U

CN210183084U - Portable solar charger

Info

Publication number: CN210183084U
Application number: CN201921301315.4U
Authority: CN
Inventors: Yongfei Ye; 叶永飞; Xiqing Zhao; 赵喜清; Kaiming Song; 宋开明; Minghe Liu; 刘明河
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-03-24
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a portable solar charger turns into the electric energy and stores with the light energy of collecting. Five solar panels are connected in parallel in a copper wire tin welding mode, the illumination area is increased to increase the charging power, and therefore rapid photoelectric conversion is achieved. The output voltage is stabilized at 5V by the voltage stabilizing module. When the electric equipment is not connected, the electric energy is directly stored in the storage battery. When the power utilization equipment is connected, the current is output through the USB interface to supply power for the power utilization equipment, and the charging is quick, efficient and safe. Through voltage detection module, the signal that will collect conveys 51 singlechips on and handles, then shows the information that obtains processing on OLED display screen, and the management process is intelligent. In order to adapt to outdoor use, all the modules are fixed on a resin plate and are designed into a folding structure, so that the outdoor portable solar water heater is convenient to carry.

Description

Portable solar charger

Technical Field

The utility model relates to an electric power storage power supply unit, especially a solar charger.

Background

Today in the information age, electronic products are closely related to people's daily lives. In outdoor activities, the charging equipment is a necessary object for leisure, entertainment and emergency rescue. Solar energy is primary energy and also renewable energy, has the advantages of energy conservation, environmental protection, low cost, safe use, no space limitation and the like, and brings infinite innovation space for new energy development. At present, some solar charging treasure products exist, but most of the products are in exploration and trial application stages, charging is slow, and safety performance is not guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable solar charger through gathering solar energy, and inside carries out the function that photoelectric conversion realized the electric power storage power supply.

The utility model provides a technical scheme that its technical problem adopted is: five solar cell panels are fixed on the resin plate, and the illumination area is increased to increase the charging power, so that the rapid electric energy conversion is realized. The output voltage is stabilized at 5V by the voltage stabilizing module. If no electric equipment is connected, the electric energy is directly stored in the storage battery. The USB interface can output current to supply power to the electric equipment, and the charging is quick, efficient and safe. Through voltage detection module, the signal transmission that will collect handles on 51 singlechips, then shows the information that obtains processing through OLED display screen, and the management process is intelligent. In order to adapt to outdoor use, the portable solar charger is designed into a folding structure, so that the portable solar charger is convenient to carry.

The beneficial effects of the utility model are that, the utility model discloses it is fast to possess output voltage stability, output current is big, charge speed, convenient to carry and green's characteristics.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the present invention;

in the figure, the solar cell panel 1, the resin panel 2, the voltage stabilizing module 3, the storage battery 4, the USB interface 5, the single chip microcomputer 6.51 and the OLED display screen 7 are shown.

Detailed Description

[ example 1 ]

In fig. 1, the length, width, and thickness are defined as follows: five monocrystalline silicon solar panels (1) of 132 mm, 82 mm and 3 mm, the voltage of 5V, the maximum working current of 300mA, the maximum power of 1.5W and the net weight of about 40g are connected in parallel, one output end of the solar panel (1) is connected with a TP5100 voltage stabilizing module (3) adopting a CC/CV charging mode to stabilize the voltage to 4.2V, the other output end of the solar panel (1) is connected with a 51 single chip microcomputer (6) adopting an STC89C52 chip, pins of the 51 single chip microcomputer (6) are connected with the input end of an OLED display screen (7), one path is divided from the output end of the voltage stabilizing module (3) and is connected to a 4.2V to 5V module, all the parts after connection are embedded into six high-temperature-resistant, waterproof and insulating resin plates (2), each resin plate (2) is fixed on oxford cloth of polyester fiber waterproof cloth, and a 2cm distance is reserved between each resin plate, is convenient to fold. The device of fig. 1 is opened to face the sun outdoors, a data line is connected with a mobile phone with the battery capacity of 3400mAh through a USB interface (5), 5V voltage is output to charge the mobile phone, a 51 single chip microcomputer (6) determines the maximum output power of a solar cell panel through calculation, the output voltage of the solar cell panel and the designed output voltage are collected in real time through a sampling circuit, and the collected data are analyzed and processed to display the current electric quantity and the output voltage through an OLED display screen (7). In a sunny day, the battery of the mobile phone can be fully charged after 2.2 hours, in a cloudy day, the battery of the mobile phone is fully charged after 3.5 hours, and after charging is finished, the portable solar charger in the figure 1 is folded for storage.

[ example 2 ]

In fig. 1, the length, width, and thickness are defined as follows: 132 mm, 82 mm, 3 mm, the voltage is 5V, the maximum working current is 300mA, the maximum power is 1.5W, five single crystal silicon solar panels (1) with the net weight of about 40g are connected in parallel, one output end of the solar panel (1) is connected with a TP5100 voltage stabilizing module (3) adopting a CC/CV charging mode, the output end of the voltage stabilizing module (3) is connected to a storage battery (4), the other output end of the solar panel (1) is connected with a 51 single chip microcomputer (6) adopting an STC89C52 chip, pins of the 51 single chip microcomputer (6) are connected with the input end of an OLED display screen (7), all parts after connection are embedded into six high-temperature-resistant, waterproof and insulating resin plates (2), each resin plate (2) is fixed on oxford cloth of polyester fiber waterproof cloth, and a 2cm distance is reserved between each resin plate, so that folding is convenient. In outdoor clear weather, the air temperature is 27-31 ℃, the device of fig. 1 is opened, five solar panels (1) are in contact with sunlight in the largest area, at the moment, external power utilization equipment is not connected, electric energy is stored in a storage battery (4), a 51 single chip microcomputer (6) determines the maximum output power of the solar panels and the charging state of a rechargeable battery through calculation, the output voltage of the solar panels and the designed output voltage are collected in real time through a sampling circuit, the collected data are analyzed and processed, and then the current electric quantity and the output voltage are displayed through an OLED display screen (7). After 3 hours, the storage battery (4) is fully charged, and the fully charged storage battery (4) can charge the mobile phone with the battery capacity of 3400mAh twice, and is fully charged for the first time and is charged for 50% of electric quantity for the second time.

Claims

1. The utility model provides a portable solar charger, including solar cell panel (1), resin board (2), voltage stabilizing module (3), battery (4), USB interface (5), 51 singlechip (6), OLED display screen (7), characterized in that, with five solar cell panel (1) and each module connection completion back, on embedding six high temperature resistant, waterproof, insulating resin board (2) respectively with each module, fix each resin board to oxford cloth, on the waterproof cloth of polyester fiber promptly, leave 2cm interval between every resin board, convenient folding.

2. The portable solar charger according to claim 1, wherein the solar panel (1) is a single crystal silicon solar panel, and the length, width and thickness of each solar panel are respectively: 132 mm, 82 mm and 3 mm, the voltage is 5V, the maximum working current is 300mA, the maximum power is 1.5W, the net weight is about 40g, five solar panels are connected in parallel in a copper wire tin welding mode, and one path of output is output to the voltage stabilizing module (3) to be stabilized to 4.2V.

3. The portable solar charger according to claim 1 or 2, wherein the voltage regulator module (3) is a TP5100 voltage regulator module, and adopts a CC/CV charging mode, and the output end of the voltage regulator module is connected to the storage battery (4) to charge the storage battery, and then a path of voltage is branched from the output end of the voltage regulator module to be connected to a 4.2V to 5V module, and 5V voltage is output through the USB interface (5) to charge the electric equipment.

4. The portable solar charger according to claim 1, wherein a 51 series STC89C52 chip is adopted to determine the maximum output power of the solar panel and the charging state of the rechargeable battery by calculation through a selection pin on a 51 single chip microcomputer (6) connected with the input end of the OLED display screen (7), the output voltage of the solar panel and the designed output voltage are collected in real time through a sampling circuit, and the collected data are analyzed and processed to display the current electric quantity and the output voltage through the OLED display screen (7).