CN215419637U

CN215419637U - Charger baby of nano antenna solar cell

Info

Publication number: CN215419637U
Application number: CN202120821416.5U
Authority: CN
Inventors: 谢莉; 马凌峻; 石双颖; 李文杰
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2022-01-04
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a charger of a nano-antenna solar battery, wherein a charging module comprises the nano-antenna solar battery and a lithium battery, absorbed solar energy is converted into electric energy through the nano-antenna solar battery and is stored in the lithium battery, or the lithium battery is charged through a 220V charging port; the safety protection module comprises a circuit board, and an overcharge protection circuit, an overvoltage protection circuit, an overdischarge protection circuit, an overload protection circuit, a short-circuit protection circuit and an overheat protection circuit which are integrated on the circuit board, wherein the 20V charging port, the nano-antenna solar battery and the lithium battery are correspondingly connected with the circuit board; the discharging module comprises a charging interface, and the charging interface charges the power supply provided by the equipment. The solar charger has the mode switching function, can charge the charger by using solar energy, and can charge the charger by connecting 220V alternating current, so that a user can conveniently select the solar charger.

Description

Charger baby of nano antenna solar cell

The technical field is as follows:

the utility model relates to a charger for a nano-antenna solar battery.

Background art:

with the rapid development of global economy, the living standard of people is continuously improved, the demand of portable electronic equipment is increasingly larger, the service time required by the battery of the electronic equipment is longer and longer, but the portable data line and the charging head are too troublesome to carry, so that the types of the charging pal in the market are more and more at present, the popularity of the shared charging pal is higher and higher, most of the charging pal used by people needs 220V alternating current to charge the charging pal, so that the electroless charging pal is ubiquitous in places without external power supply such as the outdoors, the solar charging is an energy-saving and convenient common means, but the efficiency of the solar battery for realizing the light-to-electricity conversion is almost less than 50% in the market, and the time required by the charging pal is expected to be fully filled.

To this problem, this patent uses nanometer antenna solar cell not only small in size, the precious appearance of being convenient for charge's design, can absorb visible light and exceed 90% infrared light moreover, realizes that the efficiency of light-to-electricity reaches more than 70%, more can reduce the precious time of being full of charging.

The utility model content is as follows:

the utility model provides a charger for a nano-antenna solar battery, which aims to solve the problems in the prior art.

The technical scheme adopted by the utility model is as follows:

a charger for a nano-antenna solar battery comprises a shell, wherein a discharging port and a 220V charging port are formed in the shell, and a charging module, a safety protection module and a discharging module are arranged in the shell;

the charging module comprises a nano-antenna solar battery and a lithium battery, and absorbed solar energy is converted into electric energy through the nano-antenna solar battery and stored in the lithium battery, or the lithium battery is charged through a 220V charging port;

the safety protection module comprises a circuit board, and an overcharge protection circuit, an overvoltage protection circuit, an overdischarge protection circuit, an overload protection circuit, a short-circuit protection circuit and an overheat protection circuit which are integrated on the circuit board, wherein the 20V charging port, the nano-antenna solar battery and the lithium battery are correspondingly connected with the circuit board;

the discharging module comprises a charging interface, and the charging interface charges the power supply provided by the equipment.

Furthermore, a mode selection key is arranged on the shell and used for switching the charging mode of the charging pal.

Furthermore, the shell is provided with an electric quantity display lamp for displaying electric quantity.

Furthermore, a heat dissipation port is arranged on the shell.

Furthermore, a switch for opening the discharging module is arranged on the shell.

The utility model has the following beneficial effects:

1) the solar charger is charged by solar energy, is green and environment-friendly, and the nano-antenna solar cell used by the solar charger is small and exquisite in size, convenient to design and small in occupied area.

2) The solar charger utilizes the nano antenna technology to improve the current solar charger, and greatly improves the efficiency of converting solar energy into electric energy.

4) The solar charger has the mode switching function, can charge the charger by using solar energy, and can charge the charger by connecting 220V alternating current, so that a user can conveniently select the solar charger.

Description of the drawings:

FIG. 1 is a main body diagram of the power bank of the present invention;

FIG. 2 is a side view of the power bank of the present invention;

FIG. 3 is a block diagram of the charging, safety protection, and discharging modules of the present invention;

fig. 4 is a schematic block diagram of the circuit of the present invention.

Wherein: the solar energy safety protection system comprises a 1-electric quantity display lamp, a 2-shell, a 3-switch, a 4-discharge port, a 5-220V charging port, a 6-mode selection key, a 7-nano antenna solar battery, an 8-heat dissipation port, a 9-circuit board, a 901-charging module, a 902-safety protection module, a 903-discharge module and a 10-lithium battery.

The specific implementation mode is as follows:

the utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, the charger for a nano antenna solar cell of the present invention includes a housing 2, a discharge port 4 and a 220V charge port 5 are disposed on the housing 2, and a charging module 901, a safety protection module 902, and a discharge module 903 are disposed in the housing 2.

The charging module 901 comprises a nano-antenna solar cell 7 and a lithium battery 10, and absorbed solar energy is converted into electric energy by the nano-antenna solar cell 7 and stored in the lithium battery 10, or the lithium battery 10 is charged by the 220V charging port 5.

Wherein the nano-antenna solar cell 7 is a single-side polished silicon wafer with the antenna thickness of 100nm and the thickness of 200 microns. The core of the nano antenna solar cell 7 is a photoelectric conversion layer, and the main body of the photoelectric conversion layer is composed of nano metal lines and adopts a nano imprinting means, so that the volume of the cell is extremely small; meanwhile, the antenna is integrated into the solar cell, so that the solar cell can absorb visible light and more than 90% of infrared light, the photoelectric conversion effect of the cell is up to more than 70%, and the charging efficiency of the charger is greatly improved.

The nano-antenna solar cell absorbs visible light and more than 90% of infrared light and converts the visible light and the infrared light into electric energy to be stored, and 220V alternating current directly charges the charger through the charging port. Compared with the traditional solar cell, the nano-antenna solar cell is extremely small in size, and the solar energy absorbed by the nano-antenna solar cell is far higher than that absorbed by the traditional solar cell, so that the charging efficiency of the charger can be greatly improved.

The safety protection module 902 includes a circuit board 9, and an overcharge protection circuit, an overvoltage protection circuit, an overdischarge protection circuit, an overload protection circuit, a short-circuit protection circuit, and an overheat protection circuit integrated on the circuit board, wherein the 220V charging port 5, the nano-antenna solar cell, and the lithium battery 10 are correspondingly connected to the circuit board.

The circuits in the safety protection module 902 are all conventional circuits, so the principles of the circuits are not described in detail in the present invention.

The safety protection module 902 mainly functions as overcharge protection, overvoltage protection, overdischarge protection, overload protection, short circuit protection, and overheat protection. When the electric quantity of the charger reaches the maximum state, the charger is not charged any more by the overcharge protection, so that the charger is not damaged or exploded due to excessive electric quantity; when the charging voltage is too high and the electric quantity of the battery is about to be discharged and lost, the lithium battery is not damaged by overvoltage protection and over-discharge protection; the overload protection is used for protecting the direct current output end of the charger during overload; the overload protection is used for protecting the load end of the charger during short circuit; when the temperature of the charger is too high, the overheat protection is in effect.

The discharging module 903 includes a charging interface that provides power to the device for charging.

The housing 2 is provided with a mode selection key 6, and the mode selection key 6 is used for switching the charging mode of the charger. When the utility model is used, if the charger is not electrified and sufficient solar energy can be absorbed,

the user slides the mode switching key 6 to select the solar charging mode, and then the solar charging mode can be used for charging through solar charging, or the charging port 5 with 220V, or the solar charging mode and the charging port with 220V can be used for charging simultaneously.

If the charger does not have power or solar energy is not provided, the user slides the mode switching key 6 to select the 220V alternating current charging mode in the second gear, and the 220V charging port needs to be connected with 220V voltage by using the charger.

The housing 2 is provided with an electric quantity display lamp 1 for displaying electric quantity. In order to facilitate better heat dissipation, a heat dissipation port 8 is provided on the housing 2.

A switch 3 for opening the discharge module 903 is provided on the housing 2. During the use, open switch 3, directly be connected the treasured discharge port that charges 4 with the data line and charge for equipment.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the utility model and these modifications should also be considered as the protection scope of the utility model.

Claims

1. The utility model provides a precious that charges of nanometer antenna solar cell, includes shell (2), be equipped with discharge port (4) and 220V charging port (5) on shell (2), its characterized in that: a charging module (901), a safety protection module (902) and a discharging module (903) are arranged in the shell (2);

the charging module (901) comprises a nano-antenna solar battery (7) and a lithium battery (10), and absorbed solar energy is converted into electric energy through the nano-antenna solar battery (7) and stored in the lithium battery (10), or the lithium battery (10) is charged through a 220V charging port (5);

the safety protection module (902) comprises a circuit board (9), and an overcharge protection circuit, an overvoltage protection circuit, an overdischarge protection circuit, an overload protection circuit, a short-circuit protection circuit and an overheat protection circuit which are integrated on the circuit board, wherein the 20V charging port (5), the nano-antenna solar cell (7) and the lithium battery (10) are correspondingly connected with the circuit board;

the discharging module (903) comprises a charging interface, and the charging interface charges the power supply provided by the equipment.

2. The nanoantenna solar cell charger of claim 1, wherein: the charger is characterized in that a mode selection key (6) is arranged on the shell (2), and the mode selection key (6) is used for switching the charging mode of the charger.

3. The nanoantenna solar cell charger of claim 1, wherein: and the shell (2) is provided with an electric quantity display lamp (1) for displaying electric quantity.

4. The nanoantenna solar cell charger of claim 1, wherein: the shell (2) is provided with a heat dissipation port (8).

5. The nanoantenna solar cell charger of claim 1, wherein: and a switch (3) for opening the discharging module (903) is arranged on the shell (2).