CN210299869U

CN210299869U - Solar charging brief case

Info

Publication number: CN210299869U
Application number: CN201921095837.3U
Authority: CN
Inventors: 杨来祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-13
Filing date: 2019-07-13
Publication date: 2020-04-14
Anticipated expiration: 2029-07-13

Abstract

The utility model discloses a briefcase with solar charging function, which comprises a briefcase main body and a charging module, wherein the charging module is fixed on the briefcase main body by a connecting component, and the charging module can be freely disassembled; the charging module consists of a solar thin film, a photoelectric converter, a circuit, a storage battery and a power plug, wherein the photoelectric converter, the circuit and the storage battery are integrated in a box, the circuit comprises an undervoltage detection circuit, an undervoltage automatic power-off control circuit, a voltage stabilizing circuit, a booster circuit, an over-temperature protection circuit and an overvoltage protection circuit, the photoelectric converter is connected with the solar thin film and converts the light energy acquired by the solar thin film into electric energy and transmits the electric energy to the wireless charging panel through the storage battery; during wireless charging panel passes through wireless transmission's mode and inputs each electronic equipment with the electric energy, this novel energy saving, green has made things convenient for the clearance of brief case or waterproof to entire system's security and stability have been improved.

Description

Solar charging brief case

Technical Field

The utility model relates to a briefcase, in particular to a briefcase with solar charging function.

Background

With the rapid pace development of the current society, the dependence on terminal electronic equipment such as mobile phones and the like is stronger, the power consumption of the current intelligent electronic equipment is larger, and when people go on business and go out without a power supply, the situation that the electronic equipment is dead is easily met. At present, all mobile power supplies are adopted to solve the problems, the existing mobile power supplies are composed of rechargeable batteries which can be repeatedly used, and the mobile power supplies with small capacity cannot meet the power consumption requirements of a plurality of devices due to limited stored electric quantity. The large-capacity mobile power supply is heavy, inconvenient to carry and even incapable of being carried by an airplane; therefore, the current mobile power supply cannot meet the power consumption requirements of multiple electronic devices when people go out daily.

In order to solve the above problems, there are bags using solar energy, for example, patent CN201810763242.4 discloses a solar wireless charging backpack, wherein a thin-film solar cell is sewn outside the backpack, and a battery power supply port is connected to a wireless charging transmitter with a transmitting coil; solar energy storage and wireless charging are realized. CN201410207640.X discloses a solar backpack, the upper end of which is fixed with a solar panel, the solar panel converts absorbed solar energy into electric energy and stores the electric energy in a storage battery, and the storage battery is provided with a charging connector for charging an electric appliance. However, the above techniques all have certain problems, firstly, the solar film or the solar panel is fixed on the schoolbag in a sewing way, firstly, the appearance is influenced, meanwhile, the cleaning or the cleaning of the schoolbag is not facilitated, and in case of rain or rain, the service life of the whole device is seriously damaged. Secondly, the existing product lacks the detection and control of circuit undervoltage and voltage stabilization protection, and the stability of the whole system is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the power supply demand that present treasured that charges can not satisfy many electronic equipment of user, the utility model provides a brief case with solar charging function.

The utility model discloses complete technical scheme includes:

a briefcase with a solar charging function comprises a briefcase main body and a charging module, wherein the briefcase main body is provided with a connecting part and a power socket; the connecting component fixes the charging module on the briefcase main body and can realize the free disassembly of the charging module;

the charging module consists of a solar thin film, a photoelectric converter, a circuit, a storage battery and a power plug, wherein the solar thin film covers the outer surface of the briefcase main body, and the photoelectric converter, the circuit and the storage battery are integrated in a box, wherein the circuit comprises an undervoltage detection circuit, an undervoltage automatic power-off control circuit, a voltage stabilizing circuit, a booster circuit, an over-temperature protection circuit and an overvoltage protection circuit;

the photoelectric converter is connected with the solar thin film and converts the light energy acquired by the solar thin film into electric energy; the undervoltage detection circuit is connected with the photoelectric converter and is used for undervoltage detection of the output voltage of the photoelectric converter; the undervoltage automatic power-off control circuit is connected with the undervoltage detection circuit and is used for carrying out undervoltage automatic power-off control on the circuit; the voltage stabilizing circuit is respectively connected with the undervoltage automatic power-off control circuit and the storage battery, and the output voltage of the undervoltage automatic control circuit is stabilized and then input into the storage battery; the boosting circuit is connected with the storage battery and boosts the output voltage of the storage battery; the over-temperature protection circuit is connected with the booster circuit and carries out over-temperature protection on the circuit; the overvoltage protection circuit is connected with the over-temperature protection circuit and performs overvoltage protection on the circuit; the wireless charging board is connected with the power plug and the overvoltage protection circuit through a connected power socket;

the wireless charging panel inputs electric energy into each electronic device in a wireless transmission mode.

In some embodiments, the connecting component is a metal sheet and a magnetic attraction sheet, the metal sheet is attached to one side of the solar film, the magnetic attraction sheet is arranged on the inner side of the bag, and the charging module is fixed on the outer surface of the briefcase and is detached under the magnetic action of the metal sheet and the magnetic attraction sheet.

In some embodiments, the connecting component is a magic tape, one side of the magic tape is adhered to the briefcase, the other side of the magic tape is adhered to the solar film, and the fixing and the dismounting are realized through the adhesive force of the magic tape.

The utility model has the advantages that:

the utility model discloses a cover the solar energy film absorption light energy at the briefcase surface, rethread photoelectric converter converts light energy into electric energy, the electric energy of storage in the battery passes through the wireless charging panel and is the electronic equipment power supply in the briefcase, can charge for the equipment in the briefcase constantly, the limited problem of precious electric quantity that has avoided charging, more can the energy saving, green more adopts detachable adapting unit simultaneously, the clearance or the waterproof of briefcase has been made things convenient for, can realize more nimble means of charging. Meanwhile, undervoltage detection, automatic power-off control, voltage stabilization, boosting and over-temperature and overvoltage protection circuits are designed, and the safety and stability of the whole system are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the system with the solar charging function briefcase.

Fig. 2 is a circuit connection diagram of the utility model of a briefcase with solar charging function.

Fig. 3 is an appearance structure diagram of the utility model of a briefcase with solar charging function.

Fig. 4 is a schematic view of the utility model after being disassembled.

Fig. 5 is a schematic structural diagram of the charging module of the present invention.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only examples and are not intended to limit the present invention.

As shown in fig. 1, the utility model discloses a briefcase with solar charging function, from the system principle, includes solar energy film 1 to and mountable photoelectric converter 2, battery 3 and wireless charging panel 4 on the briefcase. The photoelectric converter 2 is connected with the solar thin film 1 and converts light energy acquired by the solar thin film 1 into electric energy, the photoelectric converter 2 is connected with the storage battery 3 and inputs the electric energy into the storage battery 3, and the storage battery 3 is connected with the wireless charging panel 4 and inputs the electric energy into each electronic device through the wireless charging panel 4.

As the utility model discloses the circuit of brief case with solar charging function specifically constitutes, as shown in FIG. 2, this circuit still includes undervoltage detection circuit 5, undervoltage automatic power-off control circuit 6, voltage stabilizing circuit 7, boost circuit 8, excess temperature protection circuit 9, overvoltage protection circuit 10, undervoltage detection circuit 5 links to each other with photoelectric converter 2, and carry out undervoltage detection to photoelectric converter's output voltage, undervoltage automatic power-off control circuit 6 links to each other with undervoltage detection circuit, and carry out undervoltage automatic power-off control to the circuit, voltage stabilizing circuit 7 links to each other with undervoltage automatic power-off control circuit 6 and battery 3 respectively, and input into battery 3 after undervoltage automatic control circuit 6's output voltage steady voltage, boost circuit 8 links to each other with battery 3, and step up the output voltage of battery, excess temperature protection circuit 9 links to each other with boost circuit 8, And the over-temperature protection is carried out on the circuit, the overvoltage protection circuit 10 is connected with the over-temperature protection circuit 9 and carries out the overvoltage protection on the circuit, and the wireless charging plate 4 is connected with the overvoltage protection circuit 10 and outputs the voltage output by the overvoltage protection circuit to the electric equipment in a wireless transmission mode.

As shown in fig. 3-4, this brief case with solar charging function's concrete structure, this brief case includes brief case main part 11 and the module 12 that charges, and the module 12 that charges is installed in the surface of brief case, is connected with the brief case through adapting unit 14, and this adapting unit is detachable, as the utility model discloses an embodiment, this adapting unit can be sheetmetal and magnetism suction disc, pastes the sheetmetal in solar energy film one side, is equipped with magnetism suction disc in the inboard of package, and the effect through sheetmetal and magnetism suction disc will charge module 12 and be fixed in the surface of brief case. As another embodiment of the utility model, this adapting unit can also be the magic subsides, and one side is pasted on the briefcase, and the another side is pasted on solar energy film, and the adhesion force through the magic subsides realizes fixedly. This adapting unit's function of dismantling is convenient for need clear up or when meetting rainy day at the briefcase, can dismantle to carry out the clearance of package or prevent to be stained with water. Meanwhile, if the solar film is indoors, the solar film can be detached at any time and placed in a place where sunlight can shine, and charging can be achieved more flexibly.

As shown in fig. 4, the main body of the briefcase is provided with a power socket 13. The power socket 13 is used for connecting with a power plug 16 and transmitting the electric energy of the charging module to a wireless charging panel inside the briefcase.

As shown in fig. 5, the charging module 12 is composed of a solar film 1, a photoelectric converter 2, a circuit 15, a storage battery 3, and a power plug 16. The photoelectric converter 2, the circuit 15 and the storage battery 3 are integrated in a box, wherein the circuit 15 is composed of an undervoltage detection circuit 5, an undervoltage automatic power-off control circuit 6, a voltage stabilizing circuit 7, a booster circuit 8, an over-temperature protection circuit 9 and an overvoltage protection circuit 10.

What has been applied above is only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A briefcase with solar charging function comprises a briefcase main body and a charging module, and is characterized in that,

the briefcase main body is provided with a connecting part and a power socket; the connecting component fixes the charging module on the briefcase main body and can realize the free disassembly of the charging module;

2. The briefcase with the solar charging function of claim 1, wherein the connecting parts are a metal sheet and a magnetic attraction sheet, the metal sheet is attached to one side of the solar film, the magnetic attraction sheet is arranged on the inner side of the briefcase, and the charging module is fixed on the outer surface of the briefcase through the magnetic force action of the metal sheet and the magnetic attraction sheet and is detached.

3. The briefcase with the solar charging function of claim 1, wherein the connecting part is a magic tape, one surface of the magic tape is adhered to the briefcase, the other surface of the magic tape is adhered to the solar film, and the fixing and the dismounting are realized through the adhesive force of the magic tape.