CN203933920U

CN203933920U - Inverted phase type USB wooden acoustic box

Info

Publication number: CN203933920U
Application number: CN201420143771.1U
Authority: CN
Inventors: 李良波
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-03-27
Filing date: 2014-03-27
Publication date: 2014-11-05
Anticipated expiration: 2024-03-27

Abstract

The utility model discloses a kind of inverted phase type USB wooden acoustic box, comprise wooden cavity (1), wooden cavity (1) is arranged on elevation angle plastic base (2), the front of wooden cavity (1) is provided with Full-frequency trumpet (3), the back side is provided with connecting line, wooden cavity (1) bottom surface is provided with paraphase hole (4), is communicated with elevation angle plastic base (2), is also provided with phase-reversing tube (5) in wooden cavity (1).The beneficial effects of the utility model are, audio amplifier is taked inverted phase type structure, reduce distortion, and playback is effective.

Description

Inverted phase type USB wooden acoustic box

Technical field

The utility model relates to electronic product to be improved, particularly a kind of inverted phase type USB wooden acoustic box.

Background technology

USB level stereo set adopts closed cavity body structure more in the market, cavity sealing, and cone vibration can make air in chamber produce compression and expansion process repeatedly, easily produces panel vibration and then influencing characterisitic, and sensitivity is on the low side, and playback effect is undesirable.

Utility model content

The purpose of this utility model is in order to address the above problem, and has designed a kind of inverted phase type USB wooden acoustic box.

Realizing above-mentioned purpose the technical solution of the utility model is, a kind of inverted phase type USB wooden acoustic box, comprise wooden cavity 1, wooden cavity 1 is arranged on elevation angle plastic base 2, the front of wooden cavity 1 is provided with Full-frequency trumpet 3, and the back side is provided with connecting line, and wooden cavity 1 bottom surface is provided with paraphase hole 4, be communicated with elevation angle plastic base 2, in wooden cavity 1, be also provided with phase-reversing tube 5.

On the front of described wooden cavity 1, be also installed with guard 6, and guard 6 covers in whole Full-frequency trumpet 3.

The front end of described elevation angle plastic base 2 is provided with opening 7.

The opening 7 of described elevation angle plastic base 2 front ends is communicated with the paraphase hole 4 on wooden cavity 1 bottom surface.

In described wooden cavity 1, be provided with phase-reversing tube 5, and phase-reversing tube 5 docks with the paraphase hole 4 on wooden cavity 1 bottom surface.

The inverted phase type USB wooden acoustic box that utilizes the technical solution of the utility model to make, separates release by middle and high sound and bass, and inverted phase type structure is low by loudspeaker fundamental resonance peak pressure, less distortion situation, thus optimize the sound effect that audio amplifier sends.

Accompanying drawing explanation

Fig. 1 is the structural representation of inverted phase type USB wooden acoustic box described in the utility model;

Fig. 2 is wooden cavity cutaway view described in the utility model;

Fig. 3 is wooden cavity front view described in the utility model;

Fig. 4 is the elevation angle described in the utility model plastic base vertical view;

In figure, 1, wooden cavity; 2, elevation angle plastic base; 3, Full-frequency trumpet; 4, paraphase hole; 5, phase-reversing tube; 6, guard; 7, opening.

Embodiment

Below in conjunction with accompanying drawing, the utility model is specifically described, as Figure 1-4, a kind of inverted phase type USB wooden acoustic box, comprise wooden cavity 1, wooden cavity 1 is arranged on elevation angle plastic base 2, and the front of wooden cavity 1 is provided with Full-frequency trumpet 3, the back side is provided with connecting line, wooden cavity bottom surface is provided with paraphase hole 4, is communicated with elevation angle plastic base 2, in wooden cavity 1, has also been provided with phase-reversing tube 5; On the front of described wooden cavity 1, be also installed with guard 6, and guard 6 covers in whole Full-frequency trumpet 3; The front end of described elevation angle plastic base 2 is provided with opening 7; The opening 7 of described elevation angle plastic base 2 front ends is communicated with the paraphase hole 4 on wooden cavity 1 bottom surface; In described wooden cavity 1, be provided with phase-reversing tube 5, and phase-reversing tube 5 docks with the paraphase hole 4 on wooden cavity 1 bottom surface.

Inverted phase type USB wooden acoustic box described in the utility model, its embodiment is:

In the technical program, described inverted phase type USB wooden acoustic box consists of jointly wooden cavity, phase-reversing tube, elevation angle plastic base, Full-frequency trumpet, guard, connecting line.When product audio plays described in the technical program, alt is mainly by loudspeaker front sounding, and bass will spread out of by the open front of phase-reversing tube, paraphase hole and elevation angle plastic base.

The feature of the technical program is to adopt wooden inverted phase type structure, inverted phase type structure is low by loudspeaker fundamental resonance peak pressure, makes it become two small peaks of dividing right and left, and the equal and opposite in direction of two small peaks, to the small peak of low end extension, also can make the frequency response of audio amplifier further to low expansion like this.Substantially wipe the peak pressure that shakes low after, distortion has also obviously reduced, this be because the loudspeaker spoke that shakes be in this antiresonance state, near this frequency, the degree of convergence of vibration diminishes, playback is effective.

Technique scheme has only embodied the optimal technical scheme of technical solutions of the utility model; those skilled in the art have all embodied principle of the present utility model to some changes that wherein some part may be made, within belonging to protection range of the present utility model.

Claims

1. an inverted phase type USB wooden acoustic box, comprise wooden cavity (1), it is characterized in that, wooden cavity (1) is arranged on elevation angle plastic base (2), the front of wooden cavity (1) is provided with Full-frequency trumpet (3), and the back side is provided with connecting line, and wooden cavity (1) bottom surface is provided with paraphase hole (4), be communicated with elevation angle plastic base (2), in wooden cavity (1), be also provided with phase-reversing tube (5).

2. inverted phase type USB wooden acoustic box according to claim 1, is characterized in that, is also installed with guard (6) on the front of described wooden cavity (1), and guard (6) covers in whole Full-frequency trumpet (3).

3. inverted phase type USB wooden acoustic box according to claim 1, is characterized in that, the front end of described elevation angle plastic base (2) is provided with opening (7).

4. inverted phase type USB wooden acoustic box according to claim 3, is characterized in that, the opening (7) of described elevation angle plastic base (2) front end is communicated with the paraphase hole (4) on wooden cavity (1) bottom surface.

5. inverted phase type USB wooden acoustic box according to claim 1, is characterized in that, is provided with phase-reversing tube (5) in described wooden cavity (1), and phase-reversing tube (5) docks with the paraphase hole (4) on wooden cavity (1) bottom surface.