CN220858381U - Sound box capable of reducing vibration interference - Google Patents

Abstract

The utility model provides a loudspeaker box capable of reducing vibration interference, which comprises a box body, a first woofer and a tweeter, wherein the box body is provided with a containing cavity, one side of the containing cavity is provided with a front panel, the first woofer is fixed on the front panel and stretches into the containing cavity, a baffle is arranged in front of the sound emitting direction of the first woofer, the baffle is connected with the box body and is arranged around the first woofer, the tweeters of the linear array are arranged on the baffle, a gap is arranged between the baffle and the first woofer in a staggered manner, a baffle for installing a tweeter position section is arranged between the baffle and the box body, a gap is arranged between the baffle and the box body, the gap gives a vibration space to the baffle at the tweeter position section, and the amplitude difference between the baffle and the tweeter of the tweeter position section is small, so that the influence on the sound emission of the tweeter is reduced, and the sound emission effect is improved.

Description

Sound box capable of reducing vibration interference

Technical Field

The utility model relates to the field of sound boxes, in particular to a sound box capable of reducing vibration interference.

Background

The music reproduction of a single speaker is limited by the bandwidth, and cannot meet the bandwidth range of 20-20kHz of the human ear, so that the high-low pitch speakers are adopted to reproduce the respective frequency bands respectively and then synthesize the whole music, so as to meet the requirement of music reproduction. Including a treble unit and a bass unit, there is interference between the emitted sound of the treble unit and the emitted sound of the bass unit.

To current influence, if need additionally increase loudspeaker, then directly install the fixed plate with loudspeaker on, the fixed plate laminating is to the box of audio amplifier on, like this, when installing loudspeaker pronunciation on the fixed plate, loudspeaker can produce the vibration, this vibration can transmit on the fixed plate, and because the fixed plate laminating is to the box on, receive the influence of box, the box can produce great influence to the amplitude of fixed plate, like this, let the amplitude difference of loudspeaker and fixed plate great, then reverse easy play sound effect that influences loudspeaker.

As disclosed in patent document No. 200510123602.7 and publication No. 2007.5.23, a sound box system is disclosed, which includes sound boxes arranged in a linear manner, wherein the uppermost sound box is a sound box dedicated for high-frequency sound, and the rest is a common sound box, the sound box dedicated for high-frequency sound is used for outputting high-frequency sound signals, and the common sound box is used for outputting non-high-frequency sound signals.

In the sound box system, the high-frequency sound special sound box is in direct contact with the common sound box, and because the vibration frequencies of the high-frequency sound special sound box and the common sound box are different, when the high-frequency sound special sound box is in direct contact with the common sound box, the vibration frequencies of the high-frequency sound special sound box and the common sound box can be mutually influenced, so that the high-frequency sound special sound box and the common sound box cannot vibrate according to the original vibration frequencies, and the sound quality can be deteriorated.

Disclosure of Invention

The utility model provides a sound box capable of reducing vibration interference, a gap is arranged between a baffle plate of a tweeter position section and a box body, the gap gives a vibration space to the baffle plate of the tweeter position section, and the amplitude difference between the baffle plate of the tweeter position section and the tweeter is small, so that the influence on the sound production of the tweeter is reduced, and the sound production effect is improved.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a reduce audio amplifier that vibration interfered, the power distribution box comprises a box body, first woofer and tweeter, the box is equipped with the holding chamber, one side at the holding chamber is equipped with the front panel, first woofer is fixed on the front panel and stretches into the holding intracavity, the place ahead at first woofer direction of making a sound is equipped with the baffle, the baffle is connected with the box and around first woofer setting, tweeter linear array setting, linear array's tweeter setting is on the baffle, dislocation set between tweeter and the first woofer, be equipped with the clearance between baffle and the box of installation tweeter position section.

Above setting, be equipped with the clearance between baffle and the box through the tweeter position section, tweeter and box direct contact, the tweeter is when the sound production produces the vibration, after the baffle is passed to the vibration of tweeter, owing to the existence of clearance, give a vibration space at the baffle of tweeter position section for tweeter position section takes place to move about in the clearance in the baffle, so that the interference between the low frequency vibration that first woofer produced and the high frequency vibration that tweeter produced on the baffle is little, it is compared on the box with the baffle is whole laminating, let the baffle of tweeter position section and tweeter's amplitude gap little, thereby reduce the influence to tweeter pronunciation, thereby improve pronunciation effect.

Through setting up first woofer and tweeter, the sound of output different frequencies, the tone quality of audio amplifier is good, through setting up the baffle, and the baffle sets up around first woofer, and the baffle can not prevent first woofer to make a sound. Meanwhile, along the sound emitting direction of the sound box, a distance difference exists between the baffle plate and the first woofer; the tweeter is arranged on the baffle, and then the sounding position of the tweeter and the sounding position of the first woofer are not on the same horizontal plane, so that the stereo perception of sound is strong.

Further, the box body further comprises a first side panel, a second side panel and a rear panel; the rear panel is arranged opposite to the front panel, and the first side panel is arranged at one end of the front panel and is connected with the front panel and the rear panel; the second side panel is arranged at the other end of the front panel and is connected with the front panel and the rear panel; the first side panel, the second side panel, the rear panel and the front panel are formed with accommodating cavities.

Above setting, through first side panel, second side board, rear panel and rear panel around forming the holding chamber, and then can hold first woofer, interconnect between the adjacent plate body simultaneously, the reliability is good.

Further, a second woofer is further arranged on the front panel, the second woofer is fixed on the front panel and extends into the accommodating cavity, and horn radiators are respectively arranged on the first side panel and the second side panel.

Above setting, through setting up the bass effect of second woofer reinforcing audio amplifier, the vibrating diaphragm of second woofer is through vibrating to holding chamber extrusion air simultaneously, makes the inside air in holding chamber produce the air current and promotes loudspeaker radiator vibration, further strengthens the bass effect.

Further, the second woofer is provided with two, and first woofer is located between two second woofers, and the loudspeaker radiator on first side board and the second side board symmetry sets up.

By arranging the two second woofers which are symmetrical with respect to the first woofer, the bass sounds at the two ends of the box body are uniform; simultaneously, the two horn radiators are matched with the two second woofers, so that the bass effect at the two ends of the box body is enhanced.

Further, the tweeters are arranged linearly along the height direction of the box body.

The arrangement is strong in sounding stereo sense along the height direction of the box body.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model at a tweeter.

Fig. 3 is an enlarged view of a in fig. 2.

Fig. 4 is a schematic perspective view of the case of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the detailed description.

As shown in fig. 1 to 4, a loudspeaker box for reducing vibration interference includes a box body 1, a first woofer 2 and a tweeter 3. The case 1 includes a front panel 11, a first side panel 12, a second side panel 13, and a rear panel 14; the rear panel 14 is disposed opposite to the front panel 11, and the first side panel 12 is disposed at one end of the front panel 11 and connected to the front panel 11 and the rear panel 14; the second side panel 13 is provided at the other end of the front panel 11 and is connected to the front panel 11 and the rear panel 14; the first side panel 12, the second side panel 13, the rear panel 14 and the front panel 11 are formed with the accommodation chamber 10. The accommodating cavity 10 is formed by the first side panel 12, the second side panel 13, the rear panel 14 and the rear panel 14 in a surrounding manner, so that the first woofer 2 can be accommodated, and meanwhile, the adjacent plate bodies are mutually connected, so that the reliability is good.

The first woofer 2 is fixed on the front panel 11 and stretches into the accommodating cavity 10, a baffle 4 is arranged in front of the sounding direction of the first woofer 2, the baffle 4 is connected with the box 1 and is arranged around the first woofer 2, the tweeters 3 are arranged in a linear array mode, the tweeters 3 of the linear array are arranged on the baffle 4, dislocation is arranged between the tweeters 3 and the first woofer 2, and a gap is arranged between the baffle 4 and the box 1 for installing the position section of the tweeters 3.

Referring to fig. 2, the top of the baffle 4 is connected to the top end of the front panel 11, the bottom of the baffle 4 is connected to the bottom end of the front panel 11, the tweeter 3 is mounted between the top and bottom of the baffle 4, and a gap is provided between the box 1 and the region between the top and bottom of the baffle 4.

By arranging the first woofer 2 and the tweeter 3, sounds with different frequencies are output, the sound quality of the sound box is good, and by arranging the baffle 4, the baffle 4 is arranged around the first woofer 2, and the baffle 4 does not prevent the first woofer 2 from making sounds; the tweeters 3 are arranged linearly, and adjacent tweeters 3 have the same amplitude and phase, so that the attenuation degree in the sound transmission process is reduced. The transmission distance is increased, and the attenuation degree in the sound transmission process is reduced.

Meanwhile, along the sound emitting direction of the sound box, a distance difference exists between the baffle plate 4 and the first woofer 2; the tweeter 3 is arranged on the baffle 4, and then the sound emitting position of the tweeter 3 and the sound emitting position of the first woofer 2 are not on the same horizontal plane, so that the sound stereoscopic impression is strong.

Through being equipped with the clearance between baffle 4 and the box 1 of tweeter position section, tweeter 3 and box 1 direct contact, tweeter 3 when the sound production produces the vibration, after the vibration transmission of tweeter 3 is to baffle 4, owing to the existence of clearance 5, give baffle 4 a vibration space at tweeter position section for tweeter position section takes place to move in clearance 5 in baffle 4, so that the interference between the low frequency vibration that first woofer 2 produced and the high frequency vibration that tweeter 3 produced on baffle 4 is little, it is compared with laminating baffle 4 on box 1 totally, let baffle 4 and tweeter 3's of tweeter position section amplitude gap little, thereby reduce the influence to tweeter 3 sound production, thereby improve the pronunciation effect.

The front panel 11 is further provided with a second woofer 6, the second woofer 6 is fixed on the front panel 11 and extends into the accommodating cavity 10, and the first side panel 12 and the second side panel 13 are respectively provided with a horn radiator 7. The bass effect of the loudspeaker box is enhanced by arranging the second woofer 6, and meanwhile, the vibrating diaphragm of the second woofer 6 extrudes air to the accommodating cavity 10 through vibration, so that the air in the accommodating cavity 10 generates air flow to push the loudspeaker radiator 7 to vibrate, and the bass effect is further enhanced.

In this embodiment, two second woofers 6 are provided, the first woofer 2 is located between the two second woofers 6, and the horn radiators 7 on the first side panel 12 and the second side panel 13 are symmetrically disposed. By arranging two second woofers 6, and the two second woofers 6 are symmetrical relative to the first woofers 2, the bass sounds at the two ends of the box body 1 are uniform; simultaneously, the two horn radiators 7 are matched with the two second woofers 6, so that the bass effect of the two ends of the box body 1 is enhanced.

In the present embodiment, tweeters 3 are arranged linearly in the height direction of the cabinet 1. The stereo perception of sound is strong along the height direction of the box body 1.

In this embodiment, a screen (not shown) is covered on the surface of the baffle 4, the screen is arranged to cover the first woofer 2, the second woofer 6 and the tweeter 3, and two or more meshes (not shown) are arranged on the screen. Through setting up the otter board, protect first woofer 2, second woofer 6 and tweeter 3, mix each frequency channel through setting up the mesh ability simultaneously, with the perfect integration of high bass together, promote the tone quality of audio amplifier.

Claims (5)

1. The utility model provides a reduce audio amplifier that vibration interfered, includes box, first woofer and tweeter, and the box is equipped with the holding chamber, is equipped with front panel in one side of holding chamber, and first woofer is fixed on front panel and is stretched into the holding intracavity, its characterized in that: the baffle is arranged in front of the sound emitting direction of the first woofer, the baffle is connected with the box body and arranged around the first woofer, the tweeter of the linear array is arranged on the baffle, the tweeter and the first woofer are arranged in a staggered mode, and a gap is arranged between the baffle and the box body for installing the tweeter position section.

2. A loudspeaker according to claim 1, wherein the loudspeaker is configured to reduce vibration interference, wherein: the box body further comprises a first side panel, a second side panel and a rear panel; the rear panel is arranged opposite to the front panel, and the first side panel is arranged at one end of the front panel and is connected with the front panel and the rear panel; the second side panel is arranged at the other end of the front panel and is connected with the front panel and the rear panel; the first side panel, the second side panel, the rear panel and the front panel are formed with accommodating cavities.

3. A loudspeaker according to claim 2, wherein the loudspeaker is configured to reduce vibration interference, wherein: the front panel is also provided with a second woofer which is fixed on the front panel and extends into the accommodating cavity, and the first side panel and the second side panel are respectively provided with a horn radiator.

4. A loudspeaker according to claim 3, wherein the vibration interference is reduced by: the second woofer is equipped with two, and first woofer is located between two second woofers, and the loudspeaker radiator symmetry on first side board and the second side board sets up.

5. A loudspeaker according to claim 1, wherein the loudspeaker is configured to reduce vibration interference, wherein: the tweeters are arranged linearly along the height direction of the box body.