Sound box with quick charging function

Abstract

The utility model relates to the technical field of charging equipment, in particular to a sound box with a quick charging function. Comprising a sound box main body, a chargeable and dischargeable built-in storage battery is arranged in the sound box main body, the built-in storage battery is electrically connected with an AC / DC conversion module through an overcharge protection circuit and an over-discharge protection circuit, and the AC / DC conversion module is used for being connected with a 220V wired power supply for use. According to the invention, rapid charging combination can be carried out in different power supply modes, the charging time is effectively shortened, the incompatibility of various charging devices in the market is solved, and the use convenience of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging equipment technical field, concretely relates to a sound box with quick charging function. BACKGROUND

[0002] The sound box is a kind of equipment that converts audio signal into sound, and it is the terminal of the entire sound system.The main function of the sound box is to convert audio power into corresponding sound energy and radiate it to space.As an important part of the sound system, the sound box is responsible for the task of converting electrical signal into sound signal for the ear to listen directly.The sound box has bookshelf type and floor type, and also has vertical type and horizontal type.

[0003] The existing sound box product can usually only work in single power mode, when the sound box is connected to wired power supply, the built-in battery can be charged and discharged at the same time, resulting in slow battery charging time, especially for the battery in the sound box with large power, because the built-in battery capacity is relatively large, according to the conventional charging mode, the waiting time is too long.Therefore, a sound box capable of quickly charging the battery in a short time is needed.

[0004] Therefore, based on the above problems, a sound box capable of quickly charging the battery in a short time is needed. CONTENT OF THE UTILITY MODEL

[0005] In view of the fact that the existing sound box product can usually only work in single power mode, when the sound box is connected to wired power supply, the built-in battery can be charged and discharged at the same time, resulting in slow battery charging time, the present application provides a sound box with quick charging function to solve the above problems.

[0006] To achieve the above purpose, the utility model realizes through the following technical schemes:

[0007] The application embodiment discloses a sound box with quick charging function, which comprises a sound box body, a built-in battery capable of charging and discharging is arranged in the sound box body, the built-in battery is electrically connected with an AC / DC conversion module through an overcharge protection circuit and an overdischarge protection circuit, and the AC / DC conversion module is used for connecting 220V wired power supply.

[0008] Optionally, the built-in battery is electrically connected with an external large-current adapter through the overcharge protection circuit and the overdischarge protection circuit.

[0009] Optionally, the built-in battery is electrically connected with an external small-current adapter through a DC-DC charging management circuit.

[0010] Optionally, the overcharge protection circuit and the overdischarge protection circuit are electrically connected with a power amplification circuit power control unit through a DC-DC step-up and step-down circuit.

[0011] Technical effects:

[0012] Through the multifunctional sound box design of the application, quick charging combination can be carried out under different power supply modes, the charging time is effectively shortened, the incompatibility of various charging devices in the market is solved, and the use convenience of users is improved. The application has simple structure, is easy to implement, and has wide application prospect. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 The circuit connection block diagram of the sound box with the fast charging function of the present application.

[0015] In the drawings:

[0016] 1, built-in battery; 2, overcharge protection circuit and overdischarge protection circuit; 3, AC / DC conversion module; 4, 220V wired power supply; 5, external large-current adapter; 6, DC-DC charging management circuit; 7, external small-current adapter; 8, DC-DC boost-buck circuit; 9, power amplifier circuit power control unit. DETAILED DESCRIPTION

[0017] In the following description, specific details are set forth in order to provide a thorough understanding of the embodiments of the present application. However, it will be apparent to those skilled in the art that the present application can be practiced in other embodiments without these specific details. In other instances, well-known systems, devices, circuits and methods have been described in detail to avoid unnecessary detail to make the present application more apparent.

[0018] It should be understood that when used in the specification and the appended claims of the present application, the term "comprising" indicates the presence of the described features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or groups thereof.

[0019] Please refer to Figure 1, the existing sound box product can usually only work in a single power supply mode, when the sound box is connected to a wired power supply, the built-in battery therein can be charged and discharged simultaneously, resulting in slow battery charging time, especially for the battery in a sound box with large power, because the built-in battery capacity is large, according to the conventional charging mode, the waiting time is too long; based on the above problems, the embodiment of the application discloses a sound box with fast charging function, which comprises a sound box body, a built-in battery 1 capable of charging and discharging is arranged in the sound box body, the built-in battery 1 is electrically connected with an AC / DC conversion module 3 through an overcharge protection circuit and an overdischarge protection circuit 2, and the AC / DC conversion module 3 is used for connecting a 220V wired power supply 4.

[0020] The built-in battery 1 is electrically connected with an external large-current adapter 5 through the overcharge protection circuit and the overdischarge protection circuit 2.

[0021] The built-in battery 1 is electrically connected with an external small-current adapter 7 through a DC-DC charging management circuit 6.

[0022] The overcharge protection circuit and the overdischarge protection circuit 2 are electrically connected with a power amplifier circuit power control unit 9 through a DC-DC boost-buck circuit 8.

[0023] Embodiment 1: when the sound box is connected to a 220V wired power supply 4, the power supply is converted through the built-in AC / DC module of the sound box, because the internal space of the sound box is large, enough heat dissipation space is provided for outputting large direct current power supply, and fast charging is provided for the battery, so that the charging time is relatively short.

[0024] Embodiment 2: when only an external direct-current large-current adapter is connected, the external adapter directly charges the machine battery through a large-current direct-current interface and a charging management module, because the dedicated direct-current interface and the corresponding management circuit provide fast charging for the battery, so that the charging time is relatively short.

[0025] Embodiment 3: when only an external direct-current small-current adapter is connected, the battery is provided with a conventional charging mode through a DC / DC module charging management module, the charging interface is mainly a market general charging interface, and the charging interface is used at the same time as other charging interfaces, so that the charging time is shorter and the use is more convenient.

[0026] In summary, through the multifunctional sound box design of the application, fast charging combination can be carried out in different power supply modes, the charging time is effectively shortened, the incompatibility of various charging devices in the market is solved, and the use convenience of users is improved. The application has simple structure, easy realization and wide application prospect.

[0027] In the above embodiments, the device elements are conventional device elements unless otherwise specified, and the connection mode and control mode are conventional connection mode and control mode unless otherwise specified.

[0028] The utility model has been explained in detail above in combination with the embodiment, but the skilled in the art can understand that each concrete parameter in the above embodiment can be changed to form multiple specific embodiments without departing from the purpose of the utility model, which are all within the common variation range of the utility model and will not be described one by one here.

Claims

1. A speaker with fast charging function, characterized in that, The speaker includes a speaker body, which contains a rechargeable and dischargeable built-in battery. The built-in battery is electrically connected to an AC / DC conversion module via an overcharge protection circuit and an over-discharge protection circuit. The AC / DC conversion module is used to connect to a 220V wired power supply. The built-in battery is also electrically connected to an external high-current adapter via an overcharge protection circuit and an over-discharge protection circuit, and the built-in battery is electrically connected to an external low-current adapter via a DC-DC charging management circuit.

2. A speaker with fast charging function according to claim 1, characterized in that, The built-in battery is electrically connected to an external high-current adapter via an overcharge protection circuit and an over-discharge protection circuit.

3. A speaker with fast charging function according to claim 1, characterized in that, The built-in battery is electrically connected to an external low-current adapter via a DC-DC charging management circuit.

4. A speaker with fast charging function according to claim 1, characterized in that, The overcharge protection circuit and over-discharge protection circuit are electrically connected to the power amplifier circuit and power control unit via a DC-DC buck-boost circuit.

Images