WO2021203645A1

WO2021203645A1 - Novel portable sound box

Info

Publication number: WO2021203645A1
Application number: PCT/CN2020/119550
Authority: WO
Inventors: 淦任生
Original assignee: 江门市魔音高科科技有限公司
Priority date: 2020-04-09
Filing date: 2020-09-30
Publication date: 2021-10-14
Also published as: CN211744712U

Abstract

Disclosed is a novel portable sound box, comprising a separated battery pack box, a control box used for processing an audio signal, and a playback box used for playing back the audio signal. The battery pack box comprises a battery pack, a step-down circuit, a first power supply output port and a second power supply output port. The first power supply output port is connected to the battery pack, and the second power supply output port is connected to the battery pack by means of the step-down circuit. The control box is provided with a power input port and an audio output port. The playback box is provided with an audio input port. The first power supply output port is arranged to be directly connected to the battery pack and the control box, so that power loss is reduced, and the stability and portability of the portable sound box are improved. By means of arranging the second power supply output port, the portable sound box is provided with a power bank function, and the practicability thereof is improved.

Description

A new type of portable speaker

Technical field

The invention relates to the technical field of sound boxes, in particular to a new type of portable sound box.

Background technique

With the advancement of society and the improvement of people’s quality of life, there are more and more use cases for portable speakers. For example, when you connect to a mobile phone to listen to music outdoors, you will encounter poor sound quality from the speakers, excessive volume of the speakers affects convenience, and mobile phone needs. The problem of additional charging power and so on, which puts forward more requirements on the portability and functionality of the speaker. At present, the connection between the power supply and the speaker of the portable speakers on the market often needs to go through a voltage lifting device, which not only causes the speaker to be too large, but also causes power loss and increases the cost of the product.

Summary of the invention

In order to solve the above-mentioned problems, the purpose of the present invention is to provide a new type of portable sound box to improve the portability and efficiency of the portable sound box.

The technical solutions adopted by the present invention to solve its problems are:

In the first aspect of the present invention, a new type of portable sound box is characterized in that it includes a separate battery pack box, a control box for processing audio signals, and a playback box for playing audio signals; the battery pack box includes a battery pack , A step-down circuit, a first power output port and a second power output port, the first power output port is connected to the battery pack, and the second power output port is connected to the battery pack through the step-down circuit The control box is provided with a power input port and an audio output port; the playback box is provided with an audio input port; when in use, the first power output port and the power input port are connected through the first connection line and the Two connecting wires connect the audio output port and the audio input port to combine the battery pack box, the control box and the playback box.

The aforementioned new portable speaker has at least the following beneficial effects: by setting the first power output port to directly connect the battery pack and the control box, power loss is reduced, and the stability and portability of the portable speaker are improved; by setting the second power output port, The portable speaker has a power bank function to improve its practicability.

Further, the battery pack is provided with a plurality of rechargeable batteries with a voltage of 3.7V. Set multiple 3.7V rechargeable batteries to ensure that the output voltage of the battery pack can be used by the control box and the playback box.

Further, the number of the rechargeable batteries is two, and the output voltage value of the first power output port is 7.4V. The voltage of the two rechargeable batteries connected in series is 7.4V, ensuring that the output voltage of the first power output port is 7.4V, which can provide a stable working voltage for the control box.

Further, the output voltage value of the second power output port is 5V. In this way, the second power output port can provide a stable 5V voltage to the outside, which meets the charging requirements of most electronic devices.

Further, the battery pack is also connected with a display module for displaying the power of the rechargeable battery. By setting the display module, the user can intuitively observe the power of the battery and judge whether it needs to be charged according to the power, which improves the convenience of use of the portable speaker.

Further, the control box is provided with an audio processing module and an audio power amplifier module, and the audio power amplifier module is connected to the audio output port. By setting the audio processing module and the audio power amplifier module, the audio processing function of the portable speaker is guaranteed and its scalability is also improved.

Further, the control box is provided with a power switch button and a volume control button. By setting the power switch button and the volume control button, it is convenient for the user to control the power switch and adjust the volume of the portable speaker, thereby improving the convenience of operation.

Further, the audio processing module is connected with a wired input port for connecting a wired device. By setting the wired input port, the portable speaker has the ability to connect a wired microphone and improve its scalability.

Further, the audio processing module is also connected with a wireless input port, and the wireless input port is connected with a receiving module for connecting a wireless device. By setting the wireless input port and the receiving module, the portable speaker has the function of connecting wireless equipment, and the operation convenience is improved.

In a second aspect of the present invention, a component of a novel portable sound box includes a storage bag and the new portable sound box as described above; the storage bag is divided into three storage rooms, and the three storage rooms respectively contain the battery pack Box, the control box and the play box.

The beneficial effect of the components of the above-mentioned new portable speaker is that the storage bag can accommodate the battery pack box, the control box and the playback box, which improves the portability of the portable speaker.

The additional aspects and advantages of the present invention will be partly given in the following description, and partly will become obvious from the following description, or be understood through the practice of the present invention.

Description of the drawings

The above and additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

Figure 1 is a schematic structural diagram of a new type of portable sound box according to an embodiment of the present invention;

Figure 2 is a circuit diagram of the battery pack in Figure 1;

FIG. 3 is a circuit diagram of the step-down circuit, the first power output port, and the second power output port in FIG. 1;

Fig. 4 is a circuit diagram of the display module in Fig. 1;

Figure 5 is a circuit diagram of the audio processing module, wired input port and wireless input port in Figure 1;

Fig. 6 is a circuit diagram of the audio power amplifier module, power input port and audio output port in Fig. 1.

Detailed ways

The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, but should not be understood as limiting the present invention.

1 to 3, the embodiment of the present invention provides a new type of portable speaker, including a separate battery pack box 100, a control box 200 for processing audio signals, and a playback box 300 for playing audio signals; a battery pack box 100 includes a battery pack 110, a step-down circuit 120, a first power output port 130, and a second power output port 140. The first power output port 130 is connected to the battery pack 110, and the second power output port 140 is connected to the battery through the step-down circuit 120. Group 110 is connected; the control box 200 is provided with a power input port 210 and an audio output port 220; the playback box 300 is provided with an audio input port 310; when in use, the first power output port 130 and the power input port 210 are connected through the first connection line 150 And the audio output port 220 and the audio input port 310 are connected to the assembled battery box 100, the control box 200, and the playback box 300 through the second connecting line 250.

By setting the first power output port 130 to directly connect the battery pack 110 and the control box 200, power loss is reduced, and the stability and portability of the portable speaker are improved; by setting the second power output port 140, the portable speaker has a power bank function, Improve its practicality.

In another embodiment, the battery pack 110 is provided with a plurality of rechargeable batteries with a voltage of 3.7V. Set multiple 3.7V rechargeable batteries to ensure that the output voltage of the battery pack 110 can be used by the control box 200 and the playback box 300.

In another embodiment, the number of rechargeable batteries is two, and the output voltage value of the first power output port 130 is 7.4V. The voltage of the rechargeable batteries connected in series is 7.4V, which ensures that the output voltage value of the first power output port 130 is 7.4V, and can provide a stable working voltage for the control box 200. Of course, in other embodiments, the number of rechargeable batteries can also be changed to other numbers according to actual needs. For example, three rechargeable batteries connected in series can provide a stable 11.1V voltage for the control box 200 and provide different types of control boxes 200 for use. ; For example, the number of rechargeable batteries is four, which are connected in series and then in parallel, so that the output voltage value of the first power output port 130 can be further ensured that the output voltage value of the first power output port 130 is 7.4V, and the stability is improved.

In another embodiment, the output voltage value of the second power output port 140 is 5V. In this way, the second power output port 140 can provide a stable 5V voltage to the outside, which meets the charging requirements of most electronic devices.

1 and 4, in another embodiment, the battery pack 110 is also connected with a display module 160 for displaying the power of the rechargeable battery. By setting the display module 160, the user can intuitively observe the power of the rechargeable battery and determine whether it needs to be charged according to the power value, which improves the convenience of use of the portable speaker.

1, 5 and 6, in another embodiment, the control box 200 is provided with an audio processing module 230 and an audio power amplifier module 240, and the audio power amplifier module 240 is connected to the audio output port 220. By providing the audio processing module 230 and the audio power amplifier module 240, the audio processing function of the portable speaker is ensured and its scalability is also improved.

In another embodiment, the control box 200 is provided with a power switch button 260 and a volume control button 270. By providing the power switch button 260 and the volume control button 270, it is convenient for the user to control the power switch and adjust the volume of the portable speaker, thereby improving the convenience of operation.

In another embodiment, the audio processing module 230 is connected with a wired input port 280 for connecting wired devices. By setting the wired input port 280, the portable speaker has the ability to connect to the wired device, and its expandability is improved.

In another embodiment, the audio processing module 230 is also connected to a wireless input port 290, and the wireless input port 290 is connected to a receiving module 291 for connecting to a wireless device. By setting the wireless input port 290 and the receiving module 291, the portable speaker has the function of connecting to wireless devices, and the operation convenience is improved.

The embodiment of the present invention also provides a component of a novel portable sound box, which includes a storage bag and the novel portable sound box as described above. The storage bag is divided into three storage rooms, and the three storage rooms respectively contain the battery pack box 100, the control box 200, and the playback box 300. The storage bag can contain the battery pack box 100, the control box 200 and the playback box 300, which improves the portability of the portable speaker.

The working principle of the present invention will be further explained below.

During the production process, different numbers of rechargeable batteries are configured in the battery pack box 100 according to the requirements of the control box 200. When in use, open the storage bag, use the first connection line 150 and the second connection line 250 to connect the battery pack box 100, the control box 200 and the playback box 300; turn on the power switch button 260, and the rechargeable battery is controlled through the first connection line 150 The box 200 is powered directly without going through a buck-boost device, which improves efficiency and stability. When a portable speaker is required for audio input, if it is a wired device, such as a wired microphone, it can input audio to the playback box 300 through the wired input port 280; if it is a wireless device, such as a mobile phone, it can be connected through the wireless input port 290; When other devices, such as mobile phones, flashlights, etc., need to be charged, they can output a stable 5V voltage to the outside through the second power output port 140.

It can be seen from the above description that the new portable speaker of the present invention is directly connected to the battery pack 110 and the control box 200 by setting the first power output port 130, which reduces power loss and improves the stability and portability of the portable speaker; The second power output port 140, the portable speaker has a power bank function, which improves its practicability; by setting a wired input port 280 and a wireless input port 290, the expandability of the portable speaker is improved.

The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above-mentioned embodiments. Various changes can be made without departing from the purpose of the present invention within the scope of knowledge possessed by those of ordinary skill in the technical field. .

Claims

A new type of portable speaker, which is characterized in that it includes a separate battery pack box, a control box for processing audio signals, and a playback box for playing audio signals; the battery pack box includes a battery pack, a step-down circuit, a first A power output port and a second power output port, the first power output port is connected to the battery pack, and the second power output port is connected to the battery pack through the step-down circuit; the control box is provided with A power input port and an audio output port; the play box is provided with an audio input port; when in use, the first power output port and the power input port are connected through a first connection line, and the audio is connected through a second connection line The output port and the audio input port combine the battery pack box, the control box and the playback box.
A new type of portable sound box according to claim 1, wherein the battery pack is provided with a plurality of rechargeable batteries with a voltage of 3.7V.
The new portable sound box according to claim 2, wherein the number of the rechargeable batteries is two, and the output voltage value of the first power output port is 7.4V.
A new type of portable sound box according to claim 3, wherein the output voltage value of the second power output port is 5V.
A new type of portable sound box according to claim 4, wherein the battery pack is also connected with a display module for displaying the power of the rechargeable battery.
A new type of portable sound box according to claim 1, wherein the control box is provided with an audio processing module and an audio power amplifier module, and the audio power amplifier module is connected to the audio output port.
A new type of portable sound box according to claim 6, wherein the control box is provided with a power switch button and a volume control button.
A new type of portable sound box according to claim 7, wherein the audio processing module is connected with a wired input port for connecting wired equipment.
The new type of portable sound box according to claim 8, wherein the audio processing module is also connected with a wireless input port, and the wireless input port is connected with a receiving module for connecting wireless devices.
A component of a new type of portable sound box, characterized in that it comprises a storage bag and the new type of portable sound box according to any one of claims 1 to 9; the storage bag separates three storage rooms, and the three storage rooms are respectively The battery pack box, the control box and the playback box are housed.