CN210927909U

CN210927909U - Bluetooth type active sound box

Info

Publication number: CN210927909U
Application number: CN202020180187.9U
Authority: CN
Inventors: 朱显彩
Original assignee: Hangzhou Kaqi Sound Co ltd
Current assignee: Hangzhou Kaqi Sound Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-07-03
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses an active stereo set of bluetooth type, including the stereo set main part, the stereo set main part surface is provided with the sound source, and the one end of stereo set main part is connected with the control box through the wire, the surface of control box is provided with control button and volume adjustment button, the rear end surface mounting of stereo set main part has switch, and one side of switch is provided with the sound outlet, through electric connection between the output of stereo set main part and power amplifier's the input, through electric connection between power amplifier's the output and the input of sound outlet. The utility model discloses an add one-level power amplifier between sound source and audio amplifier, amplify the weak signal of sound source output to sufficient power and remove to promote the audio amplifier, make the audio amplifier send sufficient volume, the power amplifier has higher input impedance and lower output impedance simultaneously, can play the effect of buffering between sound source and audio amplifier, neither can make sound source equipment transship, can promote the audio amplifier again easily.

Description

Bluetooth type active sound box

Technical Field

The utility model relates to an active sound technical field specifically is a bluetooth type active sound.

Background

Active speakers are also known as "active speakers". Usually refers to a sound box with a power amplifier, such as a monitoring sound box, a multimedia sound box, an active ultra-low sound box, and some new home theater active sound boxes. The active sound box is internally provided with the power amplifier circuit, so that a user does not need to consider the problem of matching with the amplifier, and the active sound box is convenient to be directly driven by an audio signal with lower level. The active sound box is a sound box with a self-contained power amplifier in the sound box. The power amplifiers are specially used for pushing the loudspeaker in the sound box, and due to the special matching design, the power amplifiers can be better used for pushing the loudspeaker in the sound box, so that a user does not need to consider the power of the power amplifiers and the problems of impedance matching and the like. In addition, because the electronic frequency divider which is arranged in front of the amplifier for frequency division and each power amplifier are only responsible for amplifying a section of audio signals with frequency are arranged in the sound box, the efficiency of the amplifier can be higher and the distortion can be relatively smaller.

The existing bluetooth type active sound equipment easily causes the overload phenomenon of sound source equipment, so that a novel bluetooth type active sound equipment is urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an active stereo set of bluetooth type to solve the active stereo set of bluetooth type that proposes among the above-mentioned background art and easily lead to sound source equipment to take place overload phenomenon scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an active stereo set of bluetooth type, includes audio body, the audio body surface is provided with the sound source, and audio body's one end is connected with the control box through the wire, the surface of control box is provided with control button and volume control button, and control button is located one side of volume control button, audio body's rear end surface mounting has switch, and one side of switch is provided with the sound outlet, through electric connection between audio body's the output and power amplifier's the input, through electric connection between power amplifier's the output and the input of sound outlet.

Preferably, the sound body is provided with an audio wiring hole on a rear end surface thereof.

Preferably, the power amplifier is installed inside the main body of the audio equipment.

Preferably, the output end of the sound emitter is electrically connected with the input end of the Bluetooth chip.

Preferably, the Bluetooth chip is electrically connected with the mobile phone device.

Preferably, the sound body is connected to the power switch through a wire.

Compared with the prior art, the beneficial effects of the utility model are that:

this equipment is through adding one-level power amplifier between sound source and audio amplifier, amplify the weak signal of sound source output to sufficient power and remove to promote the audio amplifier, make the audio amplifier send sufficient volume, the power amplifier has higher input impedance and lower output impedance simultaneously, can play the effect of buffering between sound source and audio amplifier, neither can overload sound source equipment, can promote the audio amplifier again easily, through utilizing the bluetooth connected mode, the accessible mobile phone device carries out intelligent control to the influence and adjusts.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the rear end structure of the present invention;

fig. 3 is a rear view of the present invention;

fig. 4 is a schematic block diagram of the present invention.

In the figure: 1. a main body of the sound equipment; 2. a wire; 3. a control box; 4. a control button; 5. a volume adjustment key; 6. a sound source; 7. a sound outlet; 8. a power switch; 9. an audio wiring hole; 10. a power amplifier; 11. a sound generator; 12. a Bluetooth chip; 13. provided is a mobile phone device.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a blue tooth type active sound box comprises a sound box body 1, a sound source 6 is arranged on the surface of the sound box body 1, one end of the sound box body 1 is connected with a control box 3 through a lead 2, a control button 4 and a volume adjusting button 5 are arranged on the surface of the control box 3, the control button 4 is positioned on one side of the volume adjusting button 5, a power switch 8 is arranged on the surface of the rear end of the sound box body 1, a sound outlet 7 is arranged on one side of the power switch 8, the output end of the sound box body 1 is electrically connected with the input end of a power amplifier 10, the output end of the power amplifier 10 is electrically connected with the input end of a sound generator 11, a first-stage power amplifier 10 is additionally arranged between the sound source 6 and the sound box body 1 to amplify a weak signal output by the sound source 6 to enough power to drive the sound box, so that the sound box can give out enough volume, and meanwhile, the, the buffer function can be realized between the sound source 6 and the sound box, so that the sound source 6 equipment is not overloaded, and the sound box can be easily pushed.

Further, the rear end surface of the main acoustic body 1 is provided with an audio wiring hole 9.

Further, the power amplifier 10 is installed inside the main audio body 1.

Further, the output end of the sound emitting device 11 is electrically connected with the input end of the bluetooth chip 12.

Further, the bluetooth chip 12 is electrically connected with the mobile phone device 13.

Further, the main audio body 1 is connected to a power switch 8 through a lead wire 2.

The working principle is as follows: when in use, the sound source 6 is arranged on the surface of the main sound body 1, the output end of the main sound body 1 is electrically connected with the input end of the power amplifier 10, the output end of the power amplifier 10 is electrically connected with the input end of the sound generator 11, by adding a first-stage power amplifier 10 between the sound source 6 and the sound main body 1, the weak signal output by the sound source 6 is amplified to enough power to push the sound box, so that the sound box can give out enough sound volume, meanwhile, the power amplifier has higher input impedance and lower output impedance, can play a role of buffering between the sound source 6 and the sound box, can not overload the sound source 6 equipment, can easily push the sound box, the output end of the sound generator 11 is electrically connected with the input end of the Bluetooth chip 12, the Bluetooth chip 12 is electrically connected with the mobile phone equipment 13, through utilizing the bluetooth connected mode, accessible mobile phone equipment 13 carries out intelligent control to the influence and adjusts.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an active stereo set of bluetooth type, includes stereo set main part (1), its characterized in that, stereo set main part (1) surface is provided with sound source (6), and the one end of stereo set main part (1) is passed through wire (2) and is connected with control box (3), the surface of control box (3) is provided with control button (4) and volume adjustment button (5), and control button (4) are located one side of volume adjustment button (5), the rear end surface mounting of stereo set main part (1) has switch (8), and one side of switch (8) is provided with sound outlet (7), through electric connection between the output of stereo set main part (1) and the input of power amplifier (10), through electric connection between the output of power amplifier (10) and the input of sound outlet (11).

2. The bluetooth type active speaker as claimed in claim 1, wherein: the rear end surface of the sound equipment main body (1) is provided with an audio wiring hole (9).

3. The bluetooth type active speaker as claimed in claim 1, wherein: the power amplifier (10) is installed inside the sound body (1).

4. The bluetooth type active speaker as claimed in claim 1, wherein: the output end of the sound emitter (11) is electrically connected with the input end of the Bluetooth chip (12).

5. The active speaker of the bluetooth type as claimed in claim 4, wherein: the Bluetooth chip (12) is electrically connected with the mobile phone device (13).

6. The bluetooth type active speaker as claimed in claim 1, wherein: the sound equipment main body (1) is connected with a power switch (8) through a lead (2).