CN203492165U - Sound box - Google Patents

Abstract

The utility model discloses an audio amplifier, it includes procapsid, back casing, two loudspeaker and main control circuit board, procapsid and back casing detachable connections and be formed with a stereo set chamber, and back casing is provided with the base, and loudspeaker are installed in the procapsid through seting up the play sound hole on the procapsid outwards, and loudspeaker and play are provided with the spacer ring between the sound hole, are provided with between two loudspeaker and inhale the cotton baffle of sound, inhale the cotton baffle of sound and install in main control circuit board. The utility model discloses a function is various, convenient to use, and the sound effect is good.

Description

a speaker

technical field

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

Background technique

At present, people are more and more aware that in the fast-paced life, proper entertainment is very effective in relieving the pressure of life. Therefore, family entertainment consumption is growing rapidly, and digital audio equipment is becoming more and more popular. However, traditional speakers are all external playback devices with a single function, and when playing, the power amplifier must be connected to electronic equipment such as DVD or computer to play. inconvenient. Although the existing sound box has overcome the deficiency of single function, its acoustic effect is still not ideal enough. the

Utility model content

The purpose of the utility model is to provide a multi-functional sound box with good sound effect aiming at the deficiencies of the prior art. the

The purpose of the utility model is achieved through the following technical measures: a sound box, including a front shell, a rear shell, two speakers and a main control circuit board, the front shell and the rear shell are detachably connected and formed There is a sound cavity, the rear shell is provided with a base, and the horn is installed outwardly on the front shell through the sound hole opened on the front shell, and the sound hole is between the horn and the sound hole. A separation ring is provided, and a sound-absorbing cotton partition is arranged between the two speakers, and the sound-absorbing cotton partition is installed on the main control circuit board. the

Further, in the above-mentioned technical solution of the sound box, the front shell and the rear shell are respectively in a semi-elliptical shape. the

Furthermore, in the above technical solution of the sound box, an included angle is formed between the two speakers. the

Further, in the technical solution of the above sound box, the main control circuit board is welded with a USB interface, an SD interface, an LCD display, operation buttons and a remote control receiver, and the USB interface, the SD interface, the LCD The display screen, the operation buttons and the remote control receiver are respectively electrically connected to the main control circuit board. the

Furthermore, in the technical solution of the above-mentioned sound box, a battery box containing a battery is arranged on the base. the

Further, in the technical solution of the above sound box, it also includes a power supply circuit board, a DC power socket, an earphone socket and a first toggle switch, the power supply circuit board is electrically connected to the main control circuit board, and the DC power supply The socket, the earphone socket and the first toggle switch are respectively electrically connected to the power circuit board. the

Further, in the technical solution of the above sound box, it also includes a transformer, an AC power socket and a second toggle switch, the transformer is electrically connected to the main control circuit board, and the AC power socket is connected through the second toggle switch. The automatic switch is electrically connected with the transformer. the

The beneficial effects of the utility model are: the utility model has various functions and is convenient to use. A separation ring is arranged between the speaker and the sound outlet, and a sound-absorbing cotton partition is arranged between the two speakers, which is equivalent to adding a An independent box is installed to avoid sound interference and greatly enhance the sound effect. the

Description of drawings

Fig. 1 is the structural representation of the utility model. the

Fig. 2 is a structural schematic diagram of another perspective of the utility model. the

Fig. 3 is a structural schematic diagram of the utility model after the front casing is hidden. the

Fig. 4 is a structural schematic diagram of the lower half of the utility model. the

The picture includes:

1——front shell, 2—rear shell, 3—base, 4—speaker, 5—main control circuit board, 6—USB interface, 7—SD interface, 8—LCD display , 9—operation buttons, 10—remote control receiver, 11—sound outlet, 12—battery box, 13—power circuit board, 14—DC power socket, 15—headphone socket, 16— The first toggle switch, 17—transformer, 18—AC power socket, 19—second toggle switch, 20—separation ring. the

Detailed ways

The technical solutions of the present utility model will be further described below through the embodiments and in conjunction with the accompanying drawings. the

As shown in FIGS. 1 to 4 , a sound box is shown, which includes a front case 1 , a rear case 2 , two speakers 4 and a main control circuit board 5 . Wherein, the front housing 1 and the rear housing 2 are disassembled and connected by screws, and a sound cavity is formed inside, the rear housing 2 is provided with a base 3, the rear housing 2 and the base 3 are integrally formed and inclined, and the speaker 4 is set by opening The sound outlet hole 11 on the front case 1 is installed on the front case 1 outwardly, a partition ring 20 is arranged between the speaker 4 and the sound outlet hole 11, and a sound-absorbing cotton partition is arranged between the two speakers 4, and the sound-absorbing cotton The partition is fixedly installed on the main control circuit board 5, and the separation ring 20 and the sound-absorbing partition can separate the sounds of the two speakers, which is equivalent to adding an independent box around the two speakers to prevent the sound from being disturbed. The sound effect is greatly enhanced and the fun of music appreciation is increased. the

In this embodiment, the front housing 1 and the rear housing 2 are in the shape of a semi-ellipse and have a beautiful appearance. Wherein, the two speakers 4 form a certain angle with each other, which is beneficial for users to enjoy music within their normal range of activities. the

As a further improvement, the main control circuit board 5 is welded with a USB interface 6, an SD interface 7, an LCD display 8, an operation button 9 and a remote control receiver 10, a USB interface 6, an SD interface 7, an LCD display 8, an operation button 9 and The remote control receivers 10 are respectively electrically connected to the main control circuit board 5 . Wherein, the USB interface 6 can be connected with the U disk, and the SD interface 7 can be connected with the SD/MMC card. When playing, the speaker can read the audio files inside the U disk and the SD/MMC card. The LCD display screen 8 can display playback information. In addition, the speaker can be remotely controlled by the remote controller and the remote receiver 10, which is convenient to use. the

In order to improve the portability of the sound box, the base 3 is provided with a battery box 12 containing batteries. At the same time, the sound box also includes a power circuit board 13, a DC power socket 14, an earphone socket 15 and a first toggle switch 16, the power circuit board 13 is electrically connected to the main control circuit board 5, and the DC power socket 14, the earphone socket 15 and the first A toggle switch 16 is electrically connected with the power circuit board 13 respectively, and the sound box can be connected with a DC power supply. In addition, the sound box also includes a transformer 17, an AC power socket 18 and a second toggle switch 19, the transformer 17 is electrically connected to the main control circuit board 5, and the AC power socket 18 is electrically connected to the transformer 17 through the second toggle switch 19. The speakers can be connected to AC power. the

In summary, the utility model has various functions, is convenient to use, and has good sound effects. the

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than limiting the scope of the patent application of the utility model, although the utility model has been described in detail with reference to the preferred embodiments, ordinary people in the art The skilled person should understand that all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application for the utility model are included in the scope of the patent application for the utility model. the

Claims (7)

1. an audio amplifier, comprise procapsid (1), back casing (2), two loudspeaker (4) and master control circuit board (5), described procapsid (1) and the dismantled and assembled connection of described back casing (2) and be formed with a sound equipment chamber, described back casing (2) is provided with base (3), it is characterized in that: described loudspeaker (4) are installed on outwardly described procapsid (1) by the sender (11) being opened on described procapsid (1), between described loudspeaker (4) and described sender (11), be provided with stripper loop (20), between two described loudspeaker (4), be provided with acoustical cotton dividing plate, described acoustical cotton dividing plate is installed on described master control circuit board (5).

2. a kind of audio amplifier according to claim 1, is characterized in that: described procapsid (1) and described back casing (2) are respectively half-oval shaped.

3. a kind of audio amplifier according to claim 1, is characterized in that: between two described loudspeaker (4), form angle.

4. according to a kind of audio amplifier described in any one in claims 1 to 3, it is characterized in that: described master control circuit board (5) is welded with USB interface (6), SD interface (7), LCD display (8), operation push-button (9) and receiver of remote-control sytem (10), described USB interface (6), described SD interface (7), described LCD display (8), described operation push-button (9) and described receiver of remote-control sytem (10) are electrically connected to described master control circuit board (5) respectively.

5. according to a kind of audio amplifier described in any one in claims 1 to 3, it is characterized in that: on described base (3), be provided with the battery case (12) that battery is housed.

6. according to a kind of audio amplifier described in any one in claims 1 to 3, it is characterized in that: also comprise power supply circuit board (13), DC supply socket (14), earphone socket (15) and the first toggle switch (16), described power supply circuit board (13) is electrically connected to described master control circuit board (5), and described DC supply socket (14), described earphone socket (15) and described the first toggle switch (16) are electrically connected to described power supply circuit board (13) respectively.

7. according to a kind of audio amplifier described in any one in claims 1 to 3, it is characterized in that: also comprise transformer (17), AC power supplies socket (18) and the second toggle switch (19), described transformer (17) is electrically connected to described master control circuit board (5), and described AC power supplies socket (18) is electrically connected to described transformer (17) by described the second toggle switch (19).

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