CN220965070U

CN220965070U - Sound box

Info

Publication number: CN220965070U
Application number: CN202322569495.7U
Authority: CN
Inventors: 吴菊花
Original assignee: Dongguan Tingfeng Electronic Co ltd
Current assignee: Dongguan Tingfeng Electronic Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-05-14
Anticipated expiration: 2033-09-21

Abstract

The utility model relates to the technical field of sound boxes, in particular to a sound box. Comprising the following steps: a shell with an opening at one end, an inner shell is arranged in the shell, a battery mounting hole and a loudspeaker mounting hole are formed in the inner shell, a battery and a central loudspeaker are respectively connected with the inner shell, a PCB (printed circuit board) is arranged on the inner bottom surface of the shell, and the PCB is respectively and electrically connected with the central loudspeaker and the battery; the central loudspeaker comprises a basin frame made of metal, a plurality of lugs are arranged at the front end of the basin frame, the lugs are connected with a metal radiating frame, and the opening end of the shell is connected with a net cover. The utility model adopts the improvement of the central loudspeaker and adds the metal radiating frame to ensure that the central loudspeaker has certain radiating performance, thereby improving the self power and being convenient to use.

Description

Sound box

Technical Field

The utility model relates to the technical field of sound boxes, in particular to a sound box.

Background

With the continuous development of electronic technology, various electronic products are layered endlessly; many electronic products are provided with a music playing function, but are limited to the volume of the electronic products, and can only be used together with an external playback box, such as an intelligent electronic watch. For convenient carrying, the volume of the externally-placed sound box is generally smaller; because of the heat dissipation of the external sound box, the power of the external sound box is generally smaller.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a sound box, wherein a radiating structure is arranged on a loudspeaker, and the sound box is convenient to use.

A sound box, comprising: a shell with an opening at one end, an inner shell is arranged in the shell, a battery mounting hole and a loudspeaker mounting hole are formed in the inner shell, a battery and a central loudspeaker are respectively connected with the inner shell, a PCB (printed circuit board) is arranged on the inner bottom surface of the shell, and the PCB is respectively and electrically connected with the central loudspeaker and the battery; the central loudspeaker comprises a basin frame made of metal, a plurality of lugs are arranged at the front end of the basin frame, the lugs are connected with a metal radiating frame, and the opening end of the shell is connected with a net cover.

Further, the metal heat dissipation frame comprises a plurality of heat dissipation rings which are coaxially arranged at intervals, a plurality of connecting sheets are arranged between the adjacent heat dissipation rings, the heat dissipation ring positioned at the outermost side is connected with a plurality of connecting arms, and the connecting arms are fixedly connected with the lugs through connecting pieces.

Further, one side of the inner shell is connected with an auxiliary horn, and the auxiliary horn is electrically connected with the PCB.

Further, the PCB board includes the power PCB board that is located the battery below to and the audio frequency PCB board that is located the auxiliary speaker below, power PCB board and audio frequency PCB board electricity are connected.

Further, one side of the shell is provided with a plurality of buttons, the inner side of the shell is provided with a key PCB corresponding to the buttons, and the key PCB is electrically connected with the audio PCB.

Further, one side of the shell is provided with a USB interface and an audio interface, an interface circuit board connected with the USB interface and the audio interface is arranged in the shell, and the interface circuit board is electrically connected with the audio PCB.

The utility model has the beneficial effects that: the utility model adopts the improvement of the central loudspeaker and adds the metal radiating frame to ensure that the central loudspeaker has certain radiating performance, thereby improving the self power and being convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is another view of the embodiment.

Fig. 3 is a schematic exploded view of the present embodiment.

Fig. 4 is another view of fig. 3.

Fig. 5 is a schematic structural view of the center horn.

The reference numerals include:

1-a shell; 2, a mesh enclosure; 3—a central horn; 4, a battery; 5-an inner shell; 6-auxiliary horn; 7-a power PCB; 8-button PCB; 9-an Audio PCB; 10—an interface circuit board; 11—a button; 12—an audio interface; 13-USB interface; 31—a metal heat sink; 32-basin stand; 33—lugs; 311—a connecting arm; 312-heat dissipation ring; 313-a connecting piece.

Description of the embodiments

The utility model is described in detail below with reference to the accompanying drawings. As shown in fig. 1 to 5.

Examples: a sound box, comprising: a shell 1 with one end open, wherein an inner shell 5 is arranged in the shell 1, the inner shell 5 is provided with a battery 4 mounting hole and a loudspeaker mounting hole and is respectively connected with a battery 4 and a central loudspeaker 3, the inner bottom surface of the shell 1 is provided with a PCB (printed circuit board) which is respectively and electrically connected with the central loudspeaker 3 and the battery 4; the center loudspeaker 3 comprises a basin frame 32 made of metal, a plurality of lugs 33 are arranged at the front end of the basin frame 32, the lugs 33 are connected with a metal heat dissipation frame 31, and the opening end of the shell 1 is connected with a net cover 2.

Compared with the prior art, the technical proposal adopts the technical proposal that the basin frame 32 of the central loudspeaker 3 is provided with the lugs 33, and the metal heat dissipation frame 31 is connected through the lugs 33; in operation, the basin frame 32 made of metal absorbs heat from the inside of the central horn 3 and transfers the heat to the metal heat dissipation frame 31; the central loudspeaker 3 sounds, has slight air current vibration, and the assistance outwards spreads the heat, plays certain radiating effect. On the basis, the power of the central loudspeaker 3 can be improved greatly, and the use is convenient.

Further, see fig. 5; the metal heat dissipation frame 31 includes a plurality of heat dissipation rings 312 coaxially arranged at intervals, a plurality of connecting pieces 313 are arranged between the adjacent heat dissipation rings 312, the heat dissipation ring 312 positioned at the outermost side is connected with a plurality of connecting arms 311, and the connecting arms 311 are fixedly connected with the lugs 33 through connecting pieces.

The connecting piece can be a screw, a bolt, etc. The heat dissipation metal frame adopts a plurality of coaxial heat dissipation rings 312 with different diameters, so that heat dissipation gaps are formed between the adjacent heat dissipation rings 312, and the heat dissipation metal frame has a simple structure and a good heat dissipation effect.

Secondly, in order to facilitate further improving the heat dissipation performance, the voice coil of the central loudspeaker 3 is made of aluminum foil, and the caliber can be relatively large; the dust cover at the front end of the central loudspeaker 3 can also be made of aluminum, has relatively low price, light weight and relatively good heat dissipation effect.

See fig. 3, 5; further, one side of the inner case 5 is connected with an auxiliary horn 6, and the auxiliary horn 6 is electrically connected with the PCB board.

The sound with better sound quality generally comprises a bass box and a satellite box at present; therefore, in order to improve the playing quality of the loudspeaker box, the technical scheme is provided with the central loudspeaker 3 and the auxiliary loudspeaker 6, the power of the auxiliary loudspeaker 6 is far smaller than that of the central loudspeaker 3, and meanwhile, the volume of the auxiliary loudspeaker 6 is relatively smaller. The center horn 3 corresponds to a bass box and the auxiliary horn 6 corresponds to a satellite box.

Further, the PCB board includes a power supply PCB board 7 located below the battery 4, and an audio PCB board 9 located below the auxiliary speaker 6, and the power supply PCB board 7 is electrically connected with the audio PCB board 9.

The volume for the central loudspeaker 3 is larger, and meanwhile, the loudspeaker box is miniaturized, so that the thickness of the loudspeaker box is equivalent to that of the central loudspeaker 3, the battery 4 and the auxiliary loudspeaker 6 are distributed on two sides of the central loudspeaker 3, and the volumes of the battery 4 and the auxiliary loudspeaker 6 are far smaller than those of the central loudspeaker 3, so that the power supply PCB 7 and the audio PCB 9 can be arranged on two sides separately, and the power supply is generally an aluminum battery 4 and is connected with the power supply PCB 7; the audio PCB 9 is mainly used for controlling the working states of the center loudspeaker 3 and the auxiliary loudspeaker 6. The power PCB board 7 may be a charging and power supply circuit of the battery 4, which is the prior art, and the audio PCB board 9 may include: bluetooth circuits, audio circuits, etc., may be of prior art.

Further, a plurality of buttons 11 are arranged on one side of the shell 1, a key PCB 8 corresponding to the buttons 11 is arranged on the inner side of the shell 1, and the key PCB 8 is electrically connected with the audio PCB 9.

Through setting up button 11, can conveniently control the audio amplifier, it is more convenient to use.

Further, a USB interface 13 and an audio interface 12 are disposed on one side of the housing 1, an interface circuit board 10 connected with the USB interface 13 and the audio interface 12 is disposed in the housing 1, and the interface circuit board 10 is electrically connected with the audio PCB 9.

The USB interface 13 is arranged to facilitate data migration with external intelligent electronic products through a data line.

The foregoing is merely exemplary of the utility model, and those skilled in the art will recognize that the utility model is not limited thereto, except insofar as modifications may be made by those skilled in the art in light of the teachings of the utility model.

Claims

1. A sound box, comprising: a shell with an opening at one end, an inner shell is arranged in the shell, a battery mounting hole and a loudspeaker mounting hole are formed in the inner shell, a battery and a central loudspeaker are respectively connected with the inner shell, a PCB (printed circuit board) is arranged on the inner bottom surface of the shell, and the PCB is respectively and electrically connected with the central loudspeaker and the battery; the center loudspeaker includes basin frame of metal preparation, its characterized in that: the front end of the basin frame is provided with a plurality of lugs, the lugs are connected with a metal heat dissipation frame, and the opening end of the shell is connected with a net cover.

2. A loudspeaker according to claim 1, wherein: the metal heat dissipation frame comprises a plurality of heat dissipation rings which are coaxially arranged at intervals, a plurality of connecting pieces are arranged between the adjacent heat dissipation rings, the heat dissipation ring positioned at the outermost side is connected with a plurality of connecting arms, and the connecting arms are fixedly connected with the lugs through connecting pieces.

3. A loudspeaker according to claim 1, wherein: one side of the inner shell is connected with an auxiliary horn, and the auxiliary horn is electrically connected with the PCB.

4. A loudspeaker according to claim 3, wherein: the PCB board includes the power PCB board that is located the battery below to and the audio frequency PCB board that is located the auxiliary speaker below, power PCB board and audio frequency PCB board electricity are connected.

5. A loudspeaker according to claim 1, wherein: one side of the shell is provided with a plurality of buttons, the inner side of the shell is provided with a key PCB corresponding to the buttons, and the key PCB is electrically connected with the audio PCB.

6. A loudspeaker according to claim 1, wherein: one side of the shell is provided with a USB interface and an audio interface, an interface circuit board connected with the USB interface and the audio interface is arranged in the shell, and the interface circuit board is electrically connected with the audio PCB.