CN211019131U

CN211019131U - Bluetooth sound box with USB interface

Info

Publication number: CN211019131U
Application number: CN201922226706.0U
Authority: CN
Inventors: 文先喜
Original assignee: Shenzhen Aidi Digital Electronic Co ltd
Current assignee: Shenzhen Aidi Digital Electronic Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-14
Anticipated expiration: 2029-12-11

Abstract

The utility model belongs to the technical field of audio output equipment, in particular to a Bluetooth sound box with a USB interface, which comprises a box body, a control component and a loudspeaker, wherein the control component comprises a circuit board, a Bluetooth module and a power supply module; during the use, carry out the bluetooth with this bluetooth speaker through the inside bluetooth module in audio frequency chamber and outside audio equipment and be connected, pass through USB power supply interface with this bluetooth speaker and be connected with power supply unit, USB power supply interface is to the circuit board power supply in the bluetooth speaker, because this bluetooth speaker is provided with dedicated USB power supply interface, consequently need not built-in power supply and can realize the continuous power supply to bluetooth speaker, the duration of bluetooth speaker has been guaranteed, the problem that causes the pollution because of the inside battery damage of bluetooth speaker simultaneously has also been avoided.

Description

Bluetooth sound box with USB interface

Technical Field

The utility model belongs to the technical field of audio output equipment, especially, relate to a take bluetooth speaker of USB interface.

Background

The bluetooth speaker indicates built-in bluetooth chip to the stereo set equipment that traditional wire rod was connected is replaced in the bluetooth connection, through being connected with bluetooth playback devices such as cell-phone panel computer and notebook, reaches convenient and fast's purpose.

The basic structure of the Bluetooth sound box comprises a box body, a PCBA mainboard and a loudspeaker, wherein the PCBA mainboard and the loudspeaker are arranged inside the box body, and a Bluetooth module is arranged on the PCBA mainboard, and the Bluetooth module can realize audio playing after receiving signals.

Present bluetooth speaker has convenient and fast, use characteristics such as nimble, but the bluetooth use need consume a large amount of electric energy, though the inside power module that all is equipped with of audio amplifier, but owing to be provided with this power module, the whole volume that leads to the audio amplifier can't accomplish the miniaturization, and, even at audio amplifier built-in power module, the electric quantity that power module can save is also limited, use several times repeatedly can lead to power module's life reduction promptly, and simultaneously, because the battery damages easily at long-term charge-discharge in-process, cause the pollution to the environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take bluetooth speaker of USB interface, the design that aims at solving the built-in battery of bluetooth speaker among the prior art leads to the unable miniaturization of volume, and battery power storage is few, the battery fragile so that cause the technical problem of pollution to the environment.

In order to achieve the above object, an embodiment of the utility model provides a take bluetooth speaker of USB interface, including box, control assembly and speaker, the inside of box is equipped with the audio frequency chamber, control assembly includes circuit board, bluetooth module and power module, the circuit board with the speaker is all located the audio frequency intracavity, the speaker is located the top of circuit board and with the circuit board electricity is connected, bluetooth module locates the surface of circuit board and with the circuit board electricity is connected, power module including be used for receiving the electric energy and to the USB power supply interface of circuit board power supply.

Optionally, the box includes the shell of base, the base is fixed in the lower extreme of shell, the USB power supply interface includes power supply end and socket end, the surface of shell be equipped with the USB that the audio frequency chamber communicates wears the mouth, the power supply end is located the audio frequency intracavity and with the circuit board electricity is connected, the socket end passes the USB wears the mouth and extends to the outside of box.

Optionally, the box still includes the bearer bar, the bearer bar includes stiff end and extension end, the stiff end is fixed in the periphery department of base, the bearer bar extends the end and passes the USB wears the mouth and to keeping away from the direction of shell extends, the inside of bearer bar is equipped with runs through the stiff end with extend the protection mouth of end, the power supply end is located in the protection mouth.

Optionally, the circuit board includes a main control portion and an extension portion, the main control portion is fixed to the surface of the base, the extension portion extends into the protection port, and the power supply end is fixed to the surface of the extension portion and electrically connected to the extension portion.

Optionally, the side of the power supply end is provided with a limiting strip extending to the side of the extending portion, the side of the extending portion is provided with a limiting groove adapted to the limiting strip, and the limiting strip is arranged in the limiting groove.

Optionally, the terminal surface department of stiff end be equipped with the guard plate of the inner wall adaptation of shell, the side of guard plate with the inner wall of shell offsets.

Optionally, the surface of the fixed end is provided with a mounting groove matched with the inner wall of the USB penetration opening, and the inner wall of the USB penetration opening is arranged in the mounting groove.

Optionally, the surface of the base is provided with a main control groove adapted to the main control part, and the main control part is arranged in the main control groove.

Optionally, the bluetooth speaker with the USB interface further includes an acoustically transparent cover, the surface of the acoustically transparent cover is provided with an acoustically transparent hole communicated with the audio cavity, the upper end of the housing is provided with a box opening matched with the acoustically transparent cover, and the acoustically transparent cover covers the box opening.

Optionally, one surface of the sound-transmitting cover close to the speaker is provided with an upper sound-locking part extending towards the speaker, the top of the speaker is provided with a lower sound-locking part, and a sound-locking cavity is formed by enclosing the sound-transmitting cover, the top surface of the speaker, the upper sound-locking part and the lower sound-locking part.

The embodiment of the utility model provides a take above-mentioned one or more technical scheme in the bluetooth audio amplifier of USB interface has one of following technological effect at least: during the use, bluetooth speaker carries out the bluetooth through the inside bluetooth module in audio frequency chamber and is connected with outside audio equipment, bluetooth speaker can hand-carry or be fixed in and take power supply unit department that contains the USB interface, will this bluetooth speaker passes through the USB interface that USB power supply interface and power supply unit are connected, USB power supply interface to circuit board power supply in the bluetooth speaker, bluetooth speaker alright pass through the speaker carries out the audio playback, because this bluetooth speaker is provided with dedicated USB power supply interface, can realize the continuous power supply to bluetooth speaker, avoided causing the problem of pollution to the environment because of bluetooth speaker internal battery damages to appear to can further reduce bluetooth speaker's volume.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions 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 to obtain other drawings without inventive labor.

Fig. 1 is the embodiment of the present invention provides a schematic structural diagram of a bluetooth speaker with a USB interface.

Fig. 2 is the embodiment of the utility model provides a take bluetooth speaker of USB interface dissect the pictorial view.

Fig. 3 is the embodiment of the present invention provides a schematic structural diagram of a bluetooth speaker with a USB interface after the shell is removed.

Fig. 4 is a schematic structural diagram of the housing of the bluetooth speaker with USB interface according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the base and the protection frame of the bluetooth speaker with the USB interface provided by the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a control assembly of the bluetooth speaker with USB interface provided by the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-box 11-audio cavity 12-base

13-housing 14-protective frame 20-control assembly

21-circuit board 22-Bluetooth module 23-power supply module

30-loudspeaker 31-lower sound-locking part 40-sound-transmitting cover

41-sound-transmitting hole 42-upper sound-locking part 43-sound-locking cavity

44-trademark board 121-main control groove 131-USB wear port

132-box opening 141-fixed end 142-extending end

143 protective opening 211, main control part 212, extension part

231-USB power supply interface 1411-protection plate 1412-mounting groove

2121 limiting groove 2311 power supply end 2312 socket end

23111-stop strip.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the utility model, as shown in fig. 1-3, provide a take bluetooth speaker of USB interface, including box 10, control assembly 20 and speaker 30, the inside of box 10 is equipped with audio frequency chamber 11, control assembly 20 includes circuit board 21, bluetooth module 22 and power module 23, circuit board 21 with speaker 30 all locates in audio frequency chamber 11, speaker 30 is located the top of circuit board 21 and with circuit board 21 electricity is connected, bluetooth module 22 locates the surface of circuit board 21 and with circuit board 21 electricity is connected, power module 23 including be used for receiving the electric energy and to the USB power supply interface 231 of circuit board 21 power supply.

Specifically, the Bluetooth sound box has small occupied volume, is convenient to carry, is suitable for frequent use in various places, and when in use, the Bluetooth sound box can be carried with or fixed at one position with a USB interface, the Bluetooth sound box is connected with the USB interface carried by power equipment through the USB power supply interface 231, the Bluetooth sound box is connected with power equipment through the USB power supply interface 231, the circuit board 21 is powered by the USB power supply interface 231, the Bluetooth sound box is connected with external audio equipment through the Bluetooth module 22 in the audio cavity 11 in a Bluetooth manner, after the Bluetooth connection is successful, the audio on the external equipment can be transmitted into the Bluetooth sound box and amplified by a power amplifier circuit, then the loudspeaker 30 carries out analog audio signal output, and the Bluetooth sound box can carry out audio playing through the loudspeaker 30, because this bluetooth speaker is provided with dedicated USB power supply interface 231, consequently need not built-in power supply and can realize the continuation power supply to bluetooth speaker, guaranteed bluetooth speaker's duration, also avoided simultaneously causing the problem of pollution to the environment because of the damage of bluetooth speaker's internal battery.

In another embodiment of the present invention, as shown in fig. 1 to 4, the box 10 includes a housing 13 of a base 12, the base 12 is fixed to a lower end of the housing 13, the USB power supply interface 231 includes a power supply end 2311 and a socket end 2312, the surface of the housing 13 is provided with a USB through hole 131 communicated with the audio cavity 11, the power supply end 2311 is disposed in the audio cavity 11 and electrically connected to the circuit board 21, and the socket end 2312 passes through the USB through hole 131 and extends to the outside of the box 10. Specifically, when the bluetooth sound box is used, the USB power supply interface 231 is inserted into a USB socket of a power supply device, so that the socket end 2312 of the USB power supply interface 231 extends out of the box 10, which increases the touch feeling of the USB power supply interface 231 and facilitates the insertion of the USB power supply interface 231 into the power supply device.

In another embodiment of the present invention, as shown in fig. 1 to 3, the box 10 further includes a protection frame 14, the protection frame 14 includes a fixed end 141 and an extending end 142, the fixed end 141 is fixed at the periphery of the base 12, the extending end 142 of the protection frame 14 passes through the USB through hole 131 and extends towards the direction far away from the shell 13, the protection frame 14 is provided inside with a protection hole 143 penetrating through the fixed end 141 and the extending end 142, and the power supply end 2311 is disposed in the protection hole 143. Specifically, the surface of the power supply end 2311 is adapted to the protection opening 143, and the existence of the protection frame 14 can protect the USB power supply interface 231 on one hand to make the USB power supply interface 231 more stable, and on the other hand, since the power supply end 2311 is disposed in the protection opening 143, the USB power supply interface 231 does not need to further occupy the space of the audio cavity 11, so that the volumes of the audio cavity 11 and the box body 10 can be greatly reduced.

In another embodiment of the present invention, as shown in fig. 2 and 6, the circuit board 21 includes a main control portion 211 and an extension portion 212, the main control portion 211 is fixed on the surface of the base 12, the extension portion 212 extends into the protection opening 143, and the power supply end 2311 is fixed on the surface of the extension portion 212 and electrically connected to the extension portion 212. Specifically, since the extension 212 directly extends into the protection opening 143, and the power supply end 2311 of the USB power supply interface 231 is fixed on the extension 212, the distance between the power supply end 2311 and the circuit board 21 can be reduced, so as to facilitate the connection between the power supply end 2311 and the circuit board 21.

In another embodiment of the present invention, as shown in fig. 6, a limiting strip 23111 extending to the side of the extending portion 212 is disposed on the side of the power supply end 2311, a limiting groove 2121 adapted to the limiting strip 23111 is disposed on the side of the extending portion 212, and the limiting strip 23111 is disposed in the limiting groove 2121. Specifically, the matching between the limiting strip 23111 and the limiting groove 2121 can make the connection between the USB power supply interface 231 and the extension portion 212 more stable, and increase the service life of the bluetooth sound box.

In another embodiment of the present invention, as shown in fig. 2 to 3 and 5, a protection plate 1411 adapted to the inner wall of the housing 13 is disposed at the end surface of the fixed end 141, and a side surface of the protection plate 1411 abuts against the inner wall of the housing 13. Specifically, the protection plate 1411 is an arc plate, the outer side of the protection plate 1411 abuts against the inner wall of the outer shell 13 to be tightly attached, and the design of the protection plate 1411 can increase the stability of the protection frame 14 and facilitate the installation of the outer shell 13.

In another embodiment of the present invention, as shown in fig. 2 to 3 and 5, the surface of the fixing end 141 is provided with a mounting groove 1412 adapted to the inner wall of the USB hole 131, and the inner wall of the USB hole 131 is disposed in the mounting groove 1412.

In this embodiment, the mounting groove 1412 further includes two side grooves located on the side surfaces of the fixing end 141 and a top groove located on the top surface of the fixing end 141, two side walls of the USB through hole 131 are respectively located in the two side grooves, and a top wall of the USB through hole 131 is located in the top groove. Specifically, the mounting groove 1412 may limit the position of the housing 13, so as to facilitate the mounting of the housing 13 and to make the housing 13 more stable and stable.

In another embodiment of the present invention, as shown in fig. 2 and 5, the surface of the base 12 is provided with a main control groove 121 adapted to the main control portion 211, and the main control portion 211 is disposed in the main control groove 121. Specifically, the main control slot 121 is disposed to facilitate the installation of the circuit board 21 and to stabilize the circuit board 21.

In another embodiment of the present invention, as shown in fig. 1 to 3, the bluetooth speaker with USB interface further includes an acoustically transparent cover 40, the surface of the acoustically transparent cover 40 is provided with an acoustically transparent hole 41 communicating with the audio cavity 11, the upper end of the housing 13 is provided with a box opening 132 adapted to the acoustically transparent cover 40, and the acoustically transparent cover 40 covers the box opening 132. In particular, due to the provision of the sound-transmitting cover 40, sound can be emitted from the interior of the sound-transmitting hole 41 to improve the sound quality of the bluetooth speaker.

In another embodiment of the present invention, as shown in fig. 2, one surface of the sound-transmitting cover 40 close to the speaker 30 is provided with an upper sound-locking portion 42 extending toward the speaker 30, the top of the speaker 30 is provided with a lower sound-locking portion 31, and a sound-locking cavity 43 is formed between the sound-transmitting cover 40, the top surface of the speaker 30, the upper sound-locking portion 42 and the lower sound-locking portion 31. In particular, the sound waves emitted by the speaker 30 should first "lock" in the sound-locking chamber 43 and then exit from the sound-transmitting hole 41, which can further improve the sound quality of the bluetooth sound box.

In another embodiment of the present invention, as shown in fig. 1 and 3, the surface of the sound-transmitting cover 40 is further provided with a trademark plate 44. Specifically, the logo of the bluetooth sound box can be arranged on the trademark plate 44, so as to facilitate identification.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a take bluetooth speaker of USB interface which characterized in that: including box, control assembly and speaker, the inside of box is equipped with the audio frequency chamber, control assembly includes circuit board, bluetooth module and power module, the circuit board with the speaker is all located the audio frequency intracavity, the speaker is located the top of circuit board and with the circuit board electricity is connected, bluetooth module locates the surface of circuit board and with the circuit board electricity is connected, power module including be used for receiving the electric energy and to the USB power supply interface of circuit board power supply.

2. The bluetooth speaker with USB interface of claim 1, wherein: the box includes the shell of base, the base is fixed in the lower extreme of shell, USB power supply interface includes power supply end and socket end, the surface of shell be equipped with the USB of audio frequency chamber intercommunication wears the mouth, the power supply end is located the audio frequency intracavity and with the circuit board electricity is connected, the socket end passes the USB wears the mouth and to the outside extension of box.

3. The bluetooth speaker with USB interface of claim 2, wherein: the box still includes the bearer bar, the bearer bar includes stiff end and extension end, the stiff end is fixed in the periphery department of base, the bearer bar extends the end and passes the USB wears the mouth and to keeping away from the direction of shell extends, the inside of bearer bar is equipped with runs through the stiff end with extend the protection mouth of end, the power supply end is located in the protection mouth.

4. The bluetooth speaker with USB interface of claim 3, wherein: the circuit board comprises a main control part and an extension part, the main control part is fixed on the surface of the base, the extension part extends into the protection port, and the power supply end is fixed on the surface of the extension part and electrically connected with the extension part.

5. The Bluetooth speaker with the USB interface according to claim 4, wherein: the surface of base be equipped with the master control groove of master control portion adaptation, master control portion locates in the master control groove.

6. The Bluetooth speaker with the USB interface according to claim 4, wherein: the side of power supply end is equipped with to the spacing strip of the side extension of extension, the side of extension be equipped with the spacing groove of spacing strip adaptation, spacing strip is located the spacing inslot.

7. The bluetooth speaker with USB interface of claim 3, wherein: the terminal surface department of stiff end be equipped with the guard plate of the inner wall adaptation of shell, the side of guard plate with the inner wall of shell offsets.

8. The bluetooth speaker with USB interface of claim 3, wherein: the surface of stiff end be equipped with the mounting groove of the inner wall adaptation of USB wearing mouthful, the inner wall that USB wore the mouth is located in the mounting groove.

9. The bluetooth speaker with USB interface of claim 2, wherein: the Bluetooth sound box with the USB interface further comprises a sound transmission cover, sound transmission holes communicated with the audio cavity are formed in the surface of the sound transmission cover, a box opening matched with the sound transmission cover is formed in the upper end of the shell, and the sound transmission cover covers the box opening.

10. The bluetooth speaker with USB interface of claim 9, wherein: one side of the sound-transmitting cover close to the loudspeaker is provided with an upper sound-locking part extending towards the loudspeaker, the top of the loudspeaker is provided with a lower sound-locking part, and a sound-locking cavity is formed by enclosing the sound-transmitting cover, the top surface of the loudspeaker, the upper sound-locking part and the lower sound-locking part.