CN102075826A

CN102075826A - Earphone with improved structure

Info

Publication number: CN102075826A
Application number: CN2010106106177A
Authority: CN
Inventors: 孙文伟
Original assignee: Top Den Electronics Ltd (dong Guan)
Current assignee: Top Den Electronics Ltd (dong Guan)
Priority date: 2010-12-29
Filing date: 2010-12-29
Publication date: 2011-05-25

Abstract

The invention relates to the technical field of earphones, in particular to an earphone with an improved structure. The invention comprises a shell, wherein a containing cavity is formed in the shell, a loudspeaker is arranged in the containing cavity, the loudspeaker is connected with an audio signal transmission line, the audio signal transmission line is in electric signal connection with the loudspeaker, the containing cavity comprises a first sound chamber and a second sound chamber, the first sound chamber is positioned on the front side of the loudspeaker, the second sound chamber is positioned on the rear side of the loudspeaker, the loudspeaker is fixed at the rear end part of the first sound chamber, and the first sound chamber and the second sound chamber are mutually isolated and are respectively communicated with the outside of the sound outlet side of the shell. In the working process of the invention, one part of the sound emitted by the loudspeaker is transmitted to the outside of the shell through the first sound chamber and the sound outlet, and the other part of the sound is transmitted to the outside of the shell through the second sound chamber and the sound outlet, wherein the sound entering the second sound chamber can compensate the bass deficiency after being reverberated therein. Therefore, the invention has the advantages of good bass effect and strong sound stereoscopic impression.

Description

A kind of structure improved earphone

Technical field

The present invention relates to the earphone technical field, relate in particular to a kind of structure improved earphone.

Background technology

Along with the development and the progress of Information technology, sci-tech product miscellaneous just constantly enters into daily life, and in addition, these sci-tech products just little by little influence and change people's life.Wherein, earphone is widely used in people's the life as a kind of audio output device, and for various audio-frequence player devices, earphone has become a kind of necessary device.

Along with people constantly improve the earphone quality requirement, basic audio output function can satisfy people's requirement far from, wherein, the sound effect of earphone is more and more paid attention to by people, and the sound effect of earphone has become an important reference estimating the earphone quality.The sound mouth of earphone of the prior art generally is over against the loud speaker setting, and promptly the sound that sends of loud speaker is propagated out from sound mouth directly, and this to propagate the sound bass that comes out straight not strong, and the modelling effect of sound is relatively poor.

Summary of the invention

The objective of the invention is to provides a kind of structure improved earphone at the deficiencies in the prior art, and this structure improved earphone can be supplied bass and can reach the good sound modelling effect.

For achieving the above object, the present invention is achieved through the following technical solutions.

A kind of structure improved earphone, include housing, the inside of housing forms containing cavity, containing cavity is equiped with a loud speaker, loud speaker is provided with audio signal transmission wire, audio signal transmission wire is connected with the loud speaker signal of telecommunication, containing cavity includes first tone chamber and second tone chamber, first tone chamber is positioned at the front side of loud speaker, second tone chamber is positioned at the rear side of loud speaker, loud speaker is fixed in the rearward end of first tone chamber, first tone chamber and second tone chamber isolate mutually and respectively with the external communications that goes out the sound side of housing.

Wherein, described housing includes procapsid and back casing, procapsid is connected with back casing and one common peripheral is dressed up described containing cavity, described loud speaker is installed in the inner chamber of procapsid, corresponding described first tone chamber of procapsid and second tone chamber offer corresponding sound mouth respectively, and sound mouth is with the tone chamber of correspondence and the external communications that goes out the sound side of housing.

Wherein, the inner chamber of described procapsid is one-body molded described first tone chamber, and the periphery wall of the internal perisporium of procapsid, first tone chamber and the internal perisporium one common peripheral of described back casing are dressed up described second tone chamber.

Wherein, described procapsid includes the fixed cover that is installed in the procapsid inner chamber, the internal perisporium socket of the periphery wall of fixed cover and procapsid, fixed cover forms described first tone chamber, corresponding described second tone chamber of fixed cover offers passage, channel connection second tone chamber and the sound mouth corresponding with second tone chamber.

Wherein, the corresponding described loud speaker of described fixed cover is provided with helps to shoulder heavy thing, and the edge part of loud speaker is erected on helps to shoulder heavy thing.

Wherein, described fixed cover is silica gel sheath or rubber sleeve.

Wherein, described procapsid and described back casing snapping or be spirally connected.

Beneficial effect of the present invention is: a kind of structure improved earphone of the present invention, include housing, the inside of housing forms containing cavity, containing cavity is equiped with a loud speaker, loud speaker is provided with audio signal transmission wire, audio signal transmission wire is connected with the loud speaker signal of telecommunication, containing cavity includes first tone chamber and second tone chamber, first tone chamber is positioned at the front side of loud speaker, second tone chamber is positioned at the rear side of loud speaker, loud speaker is fixed in the rearward end of first tone chamber, first tone chamber and second tone chamber isolate mutually and respectively with the external communications that goes out the sound side of housing.In the course of work of the present invention, the sound part that loud speaker sends is transmitted to outside through first tone chamber, sound mouth, another part is transmitted to the outside of housing through second tone chamber, sound mouth, wherein, after reverberating in second tone chamber, the sound that enters second tone chamber propagates again, therefore, the sound of propagating out from second tone chamber can compensate the bass deficiency of the sound of propagating out from first tone chamber.So the present invention has the advantage that bass effect is good, sound perspective is strong.

Description of drawings

The present invention is further illustrated below in conjunction with embodiment, but the embodiment in the accompanying drawing does not constitute any limitation of the invention.

Fig. 1 is the structural representation of a kind of structure improved earphone embodiment one of the present invention.

Fig. 2 is the structural representation of a kind of structure improved earphone embodiment two of the present invention.

In Fig. 1 to Fig. 2, include:

1---housing 11---procapsid 111---sound mouth

12---back casing 2---containing cavity 21---first tone chambers

22---second tone chamber 3---loud speaker 4---audio signal transmission wire

5---fixed cover 51---passage.

Embodiment

The present invention is further illustrated below in conjunction with embodiment.

Embodiment one, as shown in Figure 1, a kind of structure improved earphone, include housing 1, the inside of housing 1 forms containing cavity, containing cavity is equiped with a loud speaker 4, loud speaker 4 is provided with audio signal transmission wire 5, audio signal transmission wire 5 is connected with loud speaker 4 signals of telecommunication, containing cavity includes the front side that first tone chamber 2 and 3, the first tone chambers 2, second tone chamber are positioned at loud speaker 4, and second tone chamber 3 is positioned at the rear side of loud speaker 4, loud speaker 4 is fixed in the rearward end of first tone chamber 2, first tone chamber 2 and second tone chamber 3 isolate mutually and respectively with the external communications that goes out the sound side of housing 1.

Loud speaker 4 will become voice signal via the electrical signal conversion that audio signal transmission wire 5 is sent to, the sound that is sent by loud speaker 4 divides two paths to propagate, a part through first tone chamber 2 of loud speaker 4 front sides and the sound mouth 111 corresponding with first tone chamber 2 be transmitted to the outside of housing 1, another part through second tone chamber 3 of loud speaker 4 rear sides and the sound mouth 111 corresponding with second tone chamber 3 be transmitted to the outside of housing 1, two strands of different sound cross in the outside that goes out the sound side of housing 1, wherein, the sound that enters second tone chamber 3 at first reverberates in second tone chamber 3, the bass effect of the sound after reverberating the more originally bass effect of the sound that sends of loud speaker 4 is good, propagate the sound that comes out from second tone chamber 3 like this and can compensate the bass deficiency of propagating the sound that comes out from first tone chamber 2, the modelling effect of the sound after reverberating is stronger.So the present invention has the advantage that bass effect is good, sound perspective is strong.In addition, loud speaker 4 can be fixed in the rearward end of first tone chamber 2 by modes such as glue gluing or clampings.

In addition, can make things convenient for and successfully be placed in the containing cavity for ease of loud speaker 4, housing 1 of the present invention can adopt split-type structural, be that housing 1 adopts the procapsid 11 and the mode of back casing 12 assemblings to be formed by connecting, wherein, first tone chamber 2 is arranged at procapsid 11, and loud speaker 4 corresponding first tone chambers 2 are installed on the inner chamber of procapsid 11.In addition, procapsid 11 can adopt snapping or the mode of being spirally connected to be connected together with back casing 12, and certainly, above-mentioned connected mode is not construed as limiting the invention.

As preferred embodiment, the inner chamber of described procapsid 11 is one-body molded described first tone chamber 2, and the periphery wall of the internal perisporium of procapsid 11, first tone chamber 2 and the internal perisporium one common peripheral of described back casing 12 are dressed up described second tone chamber 3.First tone chamber 2 is made of one piece with procapsid 11, and for example, when procapsid 11 was plastic part, first tone chamber 2 can be injection molded by injection moulding mode and procapsid 11 one; Loud speaker 4 is fixed in the rearward end of first tone chamber 2, and at this moment, the periphery wall of the internal perisporium of procapsid 11, first tone chamber 2 and the internal perisporium one common peripheral of back casing 12 are dressed up second tone chamber 3.Volume that it should be noted that second tone chamber 3 is big more, and the bass effect of the sound after it reverberates and third dimension are just stronger.The procapsid 11 that is prepared from by the way can be installed loud speaker 4 comparatively easily, and in addition, housing 1 structure is also fairly simple.

Embodiment two, as shown in Figure 2, present embodiment two is with the difference of embodiment one: described procapsid 11 includes the fixed cover 6 that is installed in procapsid 11 inner chambers, the internal perisporium socket of the periphery wall of fixed cover 6 and procapsid 11, fixed cover 6 forms described first tone chamber 2, corresponding described second tone chambers 3 of fixed cover 6 offer passage 61, and passage 61 is communicated with second tone chambers 3 and the sound mouth 111 corresponding with second tone chamber 3.In order to guarantee that loud speaker 4 can stably be installed in the containing cavity of housing 1, the present invention adopts specific fixed cover 6 to install and fixing loud speaker 4, wherein, fixed cover 6 intercalations to the inner chamber of procapsid 11 and with procapsid 11 sockets, fixed cover 6 can adopt the mode of glue gluing, clamping to be fixed in procapsid 11.Fixed cover 6 corresponding loud speakers 4 form first tone chamber 2, simultaneously, fixed cover 6 corresponding second tone chambers 3 offer passage 61, and passage 61 is communicated with second tone chambers 3 and the sound mouth 111 corresponding with second tone chamber 3, and promptly the sound after second tone chamber 3 is reverberated is transmitted to the outside of housing 1 through passage 61.In addition, fixed cover 6 can adopt rubber (for example Thermoplastic Vulcanizate TPV) to be prepared from, and also can adopt preparation of silica gel to form.

Further, described fixed cover 6 corresponding described loud speakers 4 are provided with helps to shoulder heavy thing, and the edge part of loud speaker 4 is erected on helps to shoulder heavy thing; Help to shoulder heavy thing mainly is woofer 4 and tweeter 4 installations for convenience.

Above content is preferred embodiment of the present invention only, and for those of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, this description should not be construed as limitation of the present invention.

Claims

1. An earphone with an improved structure, including a housing (1), and an accommodation cavity is formed inside the housing (1), characterized in that: the accommodation cavity is equipped with a speaker (4), and the speaker (4) is connected to An audio signal transmission line (5) is provided, and the audio signal transmission line (5) is electrically connected to the speaker (4). The accommodating cavity includes a first sound chamber (2) and a second sound chamber (3), and the first sound chamber ( 2) Located on the front side of the speaker (4), the second sound chamber (3) is located on the rear side of the speaker (4), the speaker (4) is fixed on the rear end of the first sound chamber (2), the first sound chamber ( 2) It is isolated from the second sound chamber (3) and communicated with the outside of the sound output side of the casing (1).

2. A structurally improved earphone according to claim 1, characterized in that: the housing (1) includes a front housing (11) and a rear housing (12), and the front housing (11) and The rear casing (12) is connected and jointly enclosed to form the accommodating cavity, the speaker (4) is installed in the inner cavity of the front casing (11), and the front casing (11) corresponds to the first sound chamber (2) and the second sound chamber (3) respectively have corresponding sound outlets (111), and the sound outlets (111) communicate the corresponding sound chambers with the outside of the sound outlet side of the casing (1).

3. An earphone with improved structure according to claim 2, characterized in that: the inner cavity of the front shell (11) is integrally formed with the first sound chamber (2), and the front shell (11) The inner peripheral wall of the first sound chamber (2) and the inner peripheral wall of the rear housing (12) jointly enclose the second sound chamber (3).

4. An earphone with improved structure according to claim 2, characterized in that: the front housing (11) includes a fixed sleeve (6) installed in the inner cavity of the front housing (11), the fixed sleeve The outer peripheral wall of (6) is socketed with the inner peripheral wall of the front housing (11), the fixed sleeve (6) is formed with the first sound chamber (2), and the fixed sleeve (6) corresponds to the second sound chamber (3 ) is provided with a channel (61), and the channel (61) communicates with the second sound chamber (3) and the sound outlet (111) corresponding to the second sound chamber (3).

5. A structurally improved earphone according to claim 4, characterized in that: said fixing sleeve (6) is provided with a shoulder corresponding to said speaker (4), and the edge of the speaker (4) is placed on the shoulder .

6. An earphone with improved structure according to claim 5, characterized in that: the fixing sleeve (6) is a silicone sleeve or a rubber sleeve.

7. The structurally improved earphone according to any one of claims 2 to 6, characterized in that: the front shell (11) is buckled or screwed to the rear shell (12).