CN202696861U

CN202696861U - Miniature sound

Info

Publication number: CN202696861U
Application number: CN 201220306393
Authority: CN
Inventors: 李楠; 石传斌; 石殷
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-06-28
Filing date: 2012-06-28
Publication date: 2013-01-23
Anticipated expiration: 2022-06-28

Abstract

The utility model provides a miniature sound. The miniature sound comprises a box body, wherein the cavity of the box body is symmetrically provided with left and right loudspeakers which can form left and right sound tracks; an audio radiator which is commonly used by the left and right sound tracks is arranged between the two loudspeakers; sound chamber bodies are respectively arranged on the left and right loudspeakers in the front area of the inner cavity of the sound box; sound guide holes are formed in the sound chamber bodies; the sound chamber bodies are communicated with a resonant chamber; and the left and right loudspeakers are arranged in the left and right chamber bodies respectively. By the miniature sound, sounds are subjected to primary stroke in the two sound tracks and then enter a communal cavity which provides a communal space for the entrance of sound flows produced by the left and right loudspeakers, and then an excellent bass effect is generated through a secondary stroke effect. The left and right loudspeakers are prevented from being interfered through the arrangement of the left and right chambers, the sounds generated from the loudspeakers can be converged into the resonant chamber after the sounds generated from the loudspeakers are subjected to the primary stroke in the left and right chambers, and the second stroke is realized through the communal audio radiator, so that the miniature sound is good in sound effect.

Description

A kind of Mini-type audio equipment

Technical field

The utility model relates to a kind of sound equipment, relates in particular to the Mini-type audio equipment that a kind of two sound channels share.

Background technology

Along with the develop rapidly of electronic technology, it is more and more that sound equipment uses, and Mini-type audio equipment also also is widely used thereupon.Because this sound equipment wants cube little, integrated level is high, adopts general common large-scale sound equipment or computer stereo to be difficult to guarantee tonequality in narrow sound space.As a kind of novel product, the producer attracts the consumer by beautiful or unique outward appearance.But along with the progressively maturation in market, the consumer is constantly improving the requirement of tonequality, and traditional Mini-type audio equipment has been difficult to satisfy the demands of consumers.

At present, generally all be that a sound equipment is joined a voice guide hole or a radiator on the market, be divided into L channel and R channel such as two sound channels, namely set up left and right two sound equipments separately, but these two sound equipments all can be furnished with separately voice guide hole or radiator.For large sound equipment, this configuration has enough spaces, and for mini small capacity double sound channel sound equipment, just bother very much, because its volume is little, only have a casing, without enough accommodation space, cause so the empty long-pending rate of sound equipment little, after two sound channels were mixed two voice guide holes again, bass effect was undesirable.

The utility model content

The purpose of this utility model is to overcome the prior art defective, and a kind of Mini-type audio equipment is provided, and can reach better bass effect in the space of small box body.

The Mini-type audio equipment that the utility model provides comprises a casing, is arranged with the left and right loud speaker that can form left and right two sound channels in the described cabinets cavity, between described left and right loud speaker, is provided with the audio frequency radiator that shares for left and right two sound channels.

In the specific design, described cabinets cavity sets up former and later two zones separately, and wherein said left and right loud speaker and audio frequency radiator are located at described cabinets cavity front region, and described cabinets cavity back region is resonator.

Further, the utility model also is provided with the left and right cavity that can form independent sound chamber in described cabinets cavity front region, and described left and right loud speaker places respectively in the described left and right cavity, and described left and right cavity is communicated with described resonator respectively.

Particularly, described left and right cavity front end section is square, rectangle or circle, links to each other curved or trapezoidal to after-contraction of rear end section with wall within the casing front.

Further, described left and right cavity is communicated with by voice guide hole with described resonator, and described voice guide hole is located at arc or trapezoidal top or the side of described left and right cavity, can establish more than one.

The utility model is symmetrical arranged the left and right loud speaker that can form left and right two sound channels in cabinets cavity, and the audio frequency radiator that shares for left and right two sound channels is set between described left and right loud speaker.By adopting two sound channels to share an audio frequency radiator mode at cabinets cavity, like this, the sound air-flow that produces for left and right loud speaker provides the relatively large space of knowing clearly, and can guarantee that it has certain room for maneuver at cabinets cavity, thereby produces better bass effect.And, the utility model further places left and right loud speaker respectively in the left and right cavity of independent setting, form the independent sound chamber that is communicated with resonator, both can avoid the interference between each loud speaker, the volume that two loud speakers are sent obtains respectively the stroke effect first time in left and right cavity after, converge in again resonator, realize for the second time stroke effect by the audio frequency radiator, twice stroke can so that the utility model audio close had an effect more powerfully, can reach fabulous acoustics.

The utility model has overcome the defective of the middle-size and small-size sound equipment lower tone of prior art, has certain market competitiveness.

Description of drawings

Fig. 1 is the utility model embodiment one front schematic view;

Fig. 2 is the vertical view of the utility model Fig. 1;

Fig. 3 is the utility model embodiment two schematic diagrames;

Fig. 4 is the utility model operating state line map.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

Fig. 1-Fig. 3 shows the utility model structure, for convenience of description, only shows the part relevant with the utility model.

Referring to Fig. 1, Fig. 2, the utility model provides a kind of Mini-type audio equipment, and it comprises a casing 1, and this casing 1 is rectangular-shaped, is enclosed by each periphery and forms an inner chamber 11, forms the structure of an air chamber, can absorb the vibrations of sound, plays the effect of seal isolation.In described casing 1 inner chamber 11, be arranged with left speaker 4 and the right loud speaker 2 that the sound signal of telecommunication can be converted to sound, form left and right two sound channels; Between described left speaker 4 and right loud speaker 2, being provided with can be for the shared audio frequency radiator 3 of left and right two sound channels.Like this, the sound air-flow that left speaker 4 and right loud speaker 2 produce can promote audio frequency radiator 3 at cabinets cavity and produce low-frequency effect, because cabinets cavity 11 is designed with certain space, can make air-flow have certain room for maneuver, the low-frequency sound that left speaker 4 and right loud speaker 2 produce can not produce the low-frequency distortion phenomenon, so can produce preferably bass effect.

In the above-mentioned concrete structure design of the present utility model, can set up described cabinets cavity 11 separately former and later two zone, wherein left speaker 4 and right loud speaker 2 and audio frequency radiator 3 are located at described cabinets cavity 11 front regions, in the face of the user, very near with user's distance, can be so that the sound that sends has more third dimension; Described cabinets cavity 11 back region are resonator, and the sound air-flow that left speaker 4 and right loud speaker 2 produce circles round in this resonator, promote audio frequency radiator 3 and produce low-frequency effect.

Referring to Fig. 3, the utility model also provides another kind of structure, can be on the basis of embodiment one, further in described cabinets cavity 11 front regions, be provided with left cavity 5 and right cavity 6, described left speaker 4 and right loud speaker 2 place respectively in the space that described left cavity 5 and right cavity 6 enclose, and can form independent

left sound chamber

51,61, two sound chambeies, right sound chamber and be communicated with the resonator of cabinets cavity 11 back region respectively.In the said structure design, the setting of left cavity 5 and right cavity 6, formed the independent sound chamber that is communicated with resonator, the interference that both can avoid each loudspeaker sound line reflection to bring, also can make volume that two loud speakers send respectively in left sound chamber 51, the 61 interior convolutions of right sound chamber, flow, obtain for the first time the stroke effect after, sound air-flow 7 converges in resonator again, circle round again by audio frequency radiator 3, realize for the second time stroke effect.Like this, twice stroke can so that the utility model audio close had an effect more powerfully, and then reach fabulous acoustics.

Further referring to Fig. 3, the section of described left cavity 5 and right cavity 6 is square or rectangle or circle, link to each other with wall within casing 1 front, two cavity rear end sections are curved or to trapezoidal (not shown) of after-contraction, and left speaker 4 and right loud speaker 2 are surrounded in left cavity 5 and the right cavity 6.Left sound chamber 51, right sound chamber 61 are communicated with resonator by

voice guide hole

52,62 again.Wherein said

voice guide hole

52,62 can be established more than one and (be illustrated as three), and is located on the arcwall face of described left cavity 5 and right cavity 6 or on the plane, trapezoidal top, so that the outflow of sound air-flow in the two sound chambeies.Said structure is arranged, the vibrating noise in the process capable of reducing using can reduce the diffraction of above-mentioned each loud speaker internal sound when work to greatest extent, prevents sound diffraction to the impact of other loud speakers, has improved signal to noise ratio and the dynamic range of sound equipment.

Referring to Fig. 4, during the utility model work, left speaker 4 links to each other with bass radiator 3 with right loud speaker 2, and can store, organize and play message by audio player 8.

It only is the part of the utility model preferred embodiment shown in the utility model above-described embodiment and the accompanying drawing; can not limit to the utility model with this; under the condition that does not break away from the utility model marrow; any modification that those skilled in the art do, be equal to and replace and improvement etc., all belong to protection range of the present utility model.

Claims

1. a Mini-type audio equipment comprises a casing, it is characterized in that: in the described cabinets cavity, be arranged with the left and right loud speaker that can form left and right two sound channels, between described left and right loud speaker, be provided with the audio frequency radiator that shares for left and right two sound channels.

2. a kind of Mini-type audio equipment according to claim 1, it is characterized in that: described cabinets cavity sets up former and later two zones separately, wherein said left and right loud speaker and audio frequency radiator are located at described cabinets cavity front region, and described cabinets cavity back region is resonator.

3. a kind of Mini-type audio equipment according to claim 2, it is characterized in that: in described cabinets cavity front region, also be provided with the left and right cavity that can form independent sound chamber, described left and right loud speaker places respectively in the described left and right cavity, and described left and right cavity is communicated with described resonator respectively.

4. a kind of Mini-type audio equipment according to claim 3 is characterized in that: described left and right cavity front end section is square, rectangle or circle, links to each other curved or trapezoidal to after-contraction of rear end section with wall within the casing front.

5. according to claim 3 or 4 described a kind of Mini-type audio equipments, it is characterized in that: described left and right cavity is communicated with by voice guide hole with described resonator.

6. a kind of Mini-type audio equipment according to claim 5, it is characterized in that: described voice guide hole is located at arc or trapezoidal top or the side of described left and right cavity, and establishes more than one.