CN1264381C

CN1264381C - Improved earphone

Info

Publication number: CN1264381C
Application number: CN 01140095
Authority: CN
Inventors: 黄瑞书
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-27
Filing date: 2001-11-27
Publication date: 2006-07-12
Anticipated expiration: 2021-11-27
Also published as: CN1422101A

Abstract

The present invention relates to an improved earphone which comprises an earphone body, wherein the earphone body comprises a shell body designed according to a predetermined shape, a plurality of multi-acoustic-duct loudspeakers, an opening, and a cover body, wherein the shell body is provided with the opening, the multi-acoustic-duct loudspeakers in the predetermined number are arranged in the shell body, respectively provided with an independent sound chamber, at least comprise a front-arrange loudspeaker of a main sound channel, a center sound channel loudspeaker and a back-arrange surrounding loudspeaker, and are respectively arranged on predetermined parts of the independent sound chambers according to the characteristics of the sound channel loudspeakers, the lid body is arranged on the opening of the shell body, the surface of the lid body is provided with sound outlets corresponding to the sound channel loudspeakers, and the lid body is provided with a cover body. The present invention can respectively prevent the mixture of sound waves, reduce distortion and form uniform diffusing sound pressure in the independent sound chambers. Thus, people using the earphone can listen to the multi-acoustic-duct music of high quality. A sound increasing loudspeaker which is at least provided with one independent sound chamber is arranged in the earphone body, and thus, the sound increasing loudspeaker can increase the effect of the two-acoustic-duct stereo sound by the match arrangement with the different positions of the independent sound chambers.

Description

Improved earphone

One, technical field

The present invention relates to a kind of earphone, relate in particular to a kind of sound wave that prevents and mix, reduce distortion, make earphone can listen to the improved earphone of high-quality homophonic music.

Two, background technology

Along with the progress of numeral science and technology, digital audio-video is popularized gradually, and DVD video CD players or around enlarger, having possessed basically has such as Dolby Digital or DTS decoding function for example can be decoded digital signal and exported analog signal and make sound horn.So, DVD Player or around message analog output that is equipped with 5.1GH AUDIO OUT on the enlarger backboard makes the basic audio visual environment that " TV+DVD video CD players+around enlarger+5.1 sound channel loudspeaker horns " can construction one family cinema.

As shown in Figure 1, basic environment for one family cinema, and place the inner DVDPlayer of cabinet (A) or around the enlarger (not shown), 5.1 sound channels or multichannel message are transferred to left and right two loudspeaker (F/L) of preposition main sound channel (front) and (F/R) respectively, center channel (Center) loudspeaker (C), and rearmounted surround channel) two loudspeaker (S/L) and (S/R) Surround); Whereby, can splendid audio visual environment of construction.

But the output of 5.1 sound channels or multichannel is listened the hearer and is enjoyed the audio quality though can make, if in audio visual environment, other people is still arranged in work or be not at listoning music on every side, then has influence on others.Again, listen to multichannel around music if put on earphone alone, then because of the phone plug (P) of commonly using earphone shown in Fig. 2 a, the audio function that only has two sound channels, and earphone body (B) inside only is respectively equipped with a loudspeaker horn (F), so only can hear the stereo sound effect of left and right two sound channels, and can't enjoy the multichannel source of sound, real is unfortunate.Moreover single with two sound channel earphones, it only is that loudspeaker horn (F) is placed in the earphone body (B), is not studied at its sound field or sound press characteristic, makes the audio of traditional two sound channel earphones to improve.

Because earphone in sound equipment, often is considered to a kind of accessory, but not the core of sound equipment, and be the not high product of profit, therefore, seldom have the dealer to drop into bigger strength and research and develop in this field, cause, the earphone that the whole world is present only can be heard the sound of two sound channels.Tracing it to its cause, is to be this phone plug for a long time, mostly is two or three electrodes (one of them is the earth polar) greatly, therefore, only can transmit two sound signals at the most, so that can't transmit multichannel message by single plug.

Though, at present commercially available have a kind of name to be called the product of 5.1 sound channel earphones, but this earphone only is " virtual 5.1 decoding functions ", it is not the real former sound reproducing of 5.1 sound channels, and lose genuine shortcoming, if moreover the simulation audio is handled badly, has the counter productive of trying to draw a tiger but end up with the likeness of a dog on the contrary, so also non-perfect.

For this reason, this creator had before once developed a kind of multichannel plug (P ') shown in Fig. 2 b, and this kind plug can be sent to different loudspeaker horns with multichannel message by DVD Player or around the earphone socket (Phone Jack) of enlarger.But this creator finds, as in earphone body (B) inside, install preposition main sound channel loudspeaker (F), the center channel loudspeaker (C) and rearmounted of different sound channels around loudspeaker (S), owing to be subject to the space of earphone body (B), cause the multichannel loudspeaker can't reach the acoustics of the family movie institute that sets as Fig. 1; But the sound of different sound channels is mixed in together, can not present expection quality and the effect of multiple tracks sound around audio at all.

In view of this, how making two sound channels or multi-sound-channel earphone also can hear high-quality audio, is the problem that institute of the present invention desire solves.

Three, summary of the invention

The objective of the invention is to, a kind of improved earphone is provided, it is provided with several multichannel loudspeaker in the earphone body, and each sound channel loudspeaker is equipped with independently tone chamber all respectively, and according to the characteristic of each sound channel loudspeaker, respectively it is installed in the place ahead or the rear of each independent tone chamber, makes each sound channel loudspeaker be divided in the earphone body diverse location and bright sound field of analysing is arranged; Whereby, it can prevent respectively that sound wave from mixing, reducing distortion, and forms evenly diffusion sound press in each independent tone chamber, or enlarges surrounding sound field, makes earphone can listen to high-quality homophonic music.

Another purpose of the present invention is, a kind of improved earphone is provided, and it is that a loudspeaker horn is set in the earphone body, and this loudspeaker horn is provided with an independently tone chamber at least, make loudspeaker horn by with the setting of independent tone chamber diverse location, and improve the effect of sterephonic.

The objective of the invention is to realize by following technical scheme.

A kind of improved earphone comprises the earphone body, it is characterized in that, described earphone body comprises a housing according to predetermined body making and settlement, has opening on the housing, and its inside is provided with the multichannel loudspeaker of predetermined quantity, and each multichannel loudspeaker has independently tone chamber respectively; Several multichannel loudspeaker comprise preposition main sound channel loudspeaker, center channel loudspeaker and rearmounted around loudspeaker at least, and comply with the characteristic of each sound channel loudspeaker, make it be separately positioned on each independently book office of tone chamber; One lid is installed in the opening of described housing, and its surface is provided with phonate hole with respect to described each sound channel loudspeaker; One cover body is located on the described lid, to constitute a complete earphone form.

Aforesaid improved earphone, wherein the multichannel loudspeaker also include the supper bass loudspeaker.

Aforesaid improved earphone, wherein several multichannel loudspeaker make each sound channel loudspeaker be located at different height or angle positions in the housing by tone chamber independently separately.

Purpose of the present invention can also adopt following technical scheme to realize.

A kind of improved earphone comprises the earphone body, it is characterized in that, described earphone body comprises:

One housing that is made according to the pre-setting body has opening on the housing, its inside is provided with a loudspeaker horn, and this loudspeaker horn has independently tone chamber; Described loudspeaker horn is the characteristic according to its loudspeaker monomer, is located in the described independent tone chamber, makes it be positioned preposition or angle in the earphone body; One lid is installed in the opening of described housing, and its surface is provided with phonate hole; One cover body is located on the described lid, thereby constitutes a complete earphone form.

Aforesaid improved earphone, wherein loudspeaker horn is that inclination 15～20 degree angles are installed in precalculated position, described independent tone chamber.

Aforesaid improved earphone, wherein the periphery of independent tone chamber can be provided with second tone chamber than large diameter again, and this second tone chamber is the side that eccentric shape is located at independent tone chamber, and convexedly stretches in top surface, and is provided with phonate hole in the off-centre district.

The present invention can prevent respectively that sound wave from mixing, reducing distortion, and sound press is evenly spread in formation in each independent tone chamber, or expansion surrounding sound field, make earphone can listen to high-quality homophonic music, and it is that a loudspeaker horn is set in the earphone body, this loudspeaker horn is provided with an independently tone chamber at least, make loudspeaker horn by with the setting of independent tone chamber diverse location, and improve the effect of sterephonic.

Four, description of drawings

Fig. 1 is the schematic diagram of the basic audio visual environment of a kind of family movie institute.

Fig. 2 a is a schematic diagram of commonly using a kind of earphone.

Fig. 2 b is a schematic diagram of commonly using another kind of earphone.

Fig. 3 is the reference diagram of first embodiment of the invention earphone user mode.

Fig. 4 is the exploded perspective schematic diagram of first embodiment of the invention.

Fig. 5 is the cutaway view of first embodiment of the invention.

Fig. 6 is the cutaway view of first embodiment of the invention.

Fig. 7 is a kind of moulding of first embodiment of the invention and the schematic diagram of three sound channels.

Fig. 8 is the another kind of moulding of first embodiment of the invention and the schematic diagram of four sound channels.

Fig. 9 is the cutaway view of second embodiment of the invention.

Figure 10 is the cutaway view of another user mode of second embodiment of the invention.

Figure 11 is the cutaway view of the another user mode of second embodiment of the invention.

Figure 12 is the cutaway view of 12-12 hatching line shown in Figure 11.

Figure 13 is the reference diagram of second embodiment of the invention earphone user mode.

Five, embodiment

Embodiment one

At first, see also shown in Figure 3, first embodiment of the invention, it includes left and right two earphone bodies (1), and connects the connector (2) of two earphone bodies (1), and the multichannel message transmission line (3) that is connected with arbitrary earphone body (1) wherein.Earphone body (1) inside is equiped with the loudspeaker (Fig. 3 does not show) of a plurality of different sound channels, and can send out the multichannel of different audios respectively, and each sound channel can not mix mutually, and has the multichannel quality of expection.

For achieving the above object, see also Fig. 4 and Fig. 5, shown in Figure 6, the exploded perspective schematic diagram and the cutaway view of a possible embodiments of earphone body of the present invention, it includes:

One housing (10), make and have an opening according to the pre-setting body, and periphery is provided with microscler air vent hole (100), the multichannel loudspeaker (20) of predetermined quantity can be taken in its inside, each multichannel loudspeaker (20) all is located in the housing (10), and has independently tone chamber (11), (12), (13) respectively.

Several multichannel loudspeaker (20), it comprises preposition main sound channel loudspeaker (21), center channel loudspeaker (22) and rearmounted around loudspeaker (23) at least, and complies with the characteristic of each sound channel loudspeaker, makes it be separately positioned on the book office of each independent tone chamber.

One lid (30), it is the opening that is installed in aforementioned housing (10), its surface separates reciprocity zone with respect to aforementioned each independent tone chamber (11), (12), (13) with several pieces spacers (31), and each zone upward is provided with phonate hole (32) with respect to aforementioned each sound channel loudspeaker (21), (22), (23).

One group of cover body (40), be located on the aforementioned lid (30), to constitute a complete earphone form, the possible embodiments of this cover body (40) includes: a locating ring (41) can be fixed on the lid (30), its top covers the thin cloth (42) of one deck, aforementioned phonate hole (32) is covered, do not speak but do not influence it, an earmuff (43) is to be enclosed within on locating ring (41) and the thin cloth (42), this earmuff (43) can be made of soft materials such as sponges, but and is the form of cover cap at ear.

Aforementioned each independent tone chamber (11), (12), (13) have body, cone or its allothimorph of through hole for the front and back end.

Please continue to consult Fig. 5, shown in Figure 6, the present invention is by above-mentioned technological means, can utilize separately independently that tone chamber (11), (12), (13) are intercepted respectively with being installed in each inner sound channel loudspeaker (21) of housing (10), (22), (23), make it have oneself independently sound field respectively.And the present invention finds when experiment, and each sound channel loudspeaker is according to its audio characteristic and demand, and its required sound field also has difference; Wherein, center channel loudspeaker (22) are to place the place ahead of its independent tone chamber (12), and be preferable near phonate hole (32), and the required sound field size of preposition main sound channel loudspeaker (21) and center channel loudspeaker (22) is also different, and for example: main sound channel loudspeaker (21) must set bigger independent tone chamber (11), and are located at the rear end of its independent tone chamber (11), and slightly be skewed better, as for the actual demand of each sound field,, can adjust and set then according to the requirement of product.And preposition center channel loudspeaker (22) are because of close phonate hole (32), therefore sound directly passes through, independent tone chamber (12) can prevent that then the sound wave of center channel loudspeaker (22) and the sound wave of other sound channels from mixing, and main sound channel loudspeaker (21) are located at basically than the more lower slightly position of center channel loudspeaker (22), make the audio frequency difference of its output, can hear brighter sound field of analysing.As for, rearmounted then be provided in the rear of microscler independent tone chamber (13) around loudspeaker (23), like this, can postpone the output of sound wave, make people's perceived sounds just in the wings.Moreover sound independently after tone chamber (13), has more diffusion surrounding sound field through it, and, as being set as the expansion shape in independent tone chamber (13), then improve surrounding effect greatly.So, the present invention is by the design of independent tone chamber, make that each different sound channel loudspeaker (21)～(23) can be according to the characteristic of its loudspeaker monomer, respectively it is installed in the place ahead or the rear of independent tone chamber, make each sound channel loudspeaker (21)～(23) be divided into the position of interior differing heights of an earphone body (1) and angle, make it have bright sound field of analysing separately, can prevent that sound wave from mixing interference, and each sound channel loudspeaker is arranged to differing heights or angle, can bring into play the characteristic of loudspeaker separately, and the audio frequency or the range of the multichannel of output are separated to some extent, make former sound reproducing, reduce distortion, have lifelike former sound and tridimensional accurate audio.

Certainly, the shape and the size of aforementioned each independent tone chamber (11), (12), (13), can set according to the demand of earphone product, the shape of the independent tone chamber (11) of Fig. 4～shown in Figure 6, (12), (13), it only is a preferable possible embodiments, in fact the visual earphone characteristic of its body is adjusted, to reach the range balance of each sound channel.Have, each independent tone chamber (11), (12), (13) also can be directly one-body molded in housing (10) again.

The spacer (31) on aforementioned lid (30) surface, the sound road that each sound channel loudspeaker (21), (22), (23) are sent by phonate hole (32) separates, reduce interference each other, can transmit the music of more clear more details, listen the hearer and can hear the more multichannel effect of good merchantable brand matter.

Please consult shown in Figure 7 again, the lid of the multi-sound-channel earphone of the foregoing description of its announcement (30) front schematic view, three sound channel loudspeaker (Fig. 7 does not show) that its inside set can be respectively sent out main sound channel audio (F), center channel audio (C) and around audio (S) by each phonate hole (32).Certainly this earphone body (1) its be not limited only to round, also can be set as non-circular body (1 ') as shown in Figure 8, and it also can increase a special sound channel except aforementioned three sound channels, for example supper bass sound channel (W).For this reason, this earphone body (1 ') is inner must to increase supper bass loudspeaker and tone chamber's (Fig. 8 does not show) independently thereof, so sound wave is not each other disturbed mutually.

Embodiment two

Learn by aforementioned first embodiment, the present invention is in R﹠D process, recognize each independently importance of tone chamber, so, the present invention further is used in it in earphone of left and right two sound channels, that is as shown in Figure 9, in the housing (10) of left and right any earphone body (1A), be provided with a loudspeaker horn (24), its opening is provided with a lid (30) and a cover body (40); Its major technology means are identical with first embodiment, but this second embodiment is in earphone body (1A) inside, and a loudspeaker horn (24) is set.

Aforementioned loudspeaker horn (24) is located in the predetermined independent tone chamber (14) according to the characteristic of its loudspeaker monomer, makes it be positioned at earphone body (1A) preposition or angle.

Wherein, as shown in Figure 9, this loudspeaker horn (24) is according to the characteristic of its loudspeaker monomer, be located at the below of independent tone chamber (14), the sound that makes loudspeaker horn (24) is after independent tone chamber (14), export by phonate hole (32) again, loudspeaker horn this moment (24) is in the position of independent tone chamber (14), can change the audio frequency of its output, when independent tone chamber (14) are longer, make bass more obvious and sturdy, if with loudspeaker horn (24) inclination 15～20 degree angles, then can make the sound wave of output can directly not press close to and clash into the human body ear, but and can form a space sound field that circles round between ear, can obtain more to open the sound effect of raising.Therefore, the main sound channel loudspeaker (21) of first embodiment also adopt installing, and its principle promptly is this.

As setting up second tone chamber (15) again at loudspeaker horn (24) rear, the sound wave air-flow is more condensed, make the music of output more abundant penetrating.And among Fig. 5, the embodiment shown in Figure 6, if the space allows, these main sound channel loudspeaker (21) also can be provided with second tone chamber (15), then can obtain identical audio.

Figure 10 is the another kind of user mode of second embodiment, and it is located at lid (30) surface with second tone chamber (15), and Figure 11 then shows its another feasible user mode; In these two kinds of user modes, it is big that the internal diameter of this second tone chamber (15) more independent tone chamber (14) is wanted, and protrude out lid (30) surface, makes it more press close to ear.As shown in figure 12, second tone chamber (15) is the side that eccentric shape is located at independent tone chamber (14), its eccentric district (33) is provided with a plurality of phonate holes (32), after causing the front sound of loudspeaker horn (24) to be sent by the place ahead, independent tone chamber (14), the sound wave air-flow at its back side is at housing (10) internal reflection or diffraction, and via the output of the phonate hole (32) of off-centre district (33), this sound forms toot district (D) altogether with the positive sound wave of exporting near second tone chamber (15) inwall of off-centre district (33) top, this kind effect is the most remarkable when listening to percussion instrument especially.So, can find out at Figure 10～Figure 12 by second embodiment of the invention, periphery in independent tone chamber (14), further be provided with second tone chamber (15), make the form of its formation " Guan Zhongyou pipe ", make a loudspeaker monomer have splendid audio, compare with the earphone of commonly using, the present invention can make earphone sound more condense, penetrating, have the reduction distortion, make every effort to the stereophonic effect of former sound reproducing.

And the loudspeaker horn among Figure 11 (24) is located at the top of independent tone chamber (14), and inside, second tone chamber (15), resonance of the voice point is increased, and second tone chamber (15) may extend to housing (10) bottom, make the folding of sound wave air-flow rapider like this, can obtain another kind of different sound effect around reaching diffraction.As for the length and the installing mode of independent tone chamber (14), what Fig. 9～Figure 11 disclosed all can implement, and can select best installing form according to earphone body processing mode, makes loudspeaker horn (24) bring into play the audio of its expection.

Figure 13 shows that the reference diagram of second embodiment of the invention earphone user mode, this second embodiment is provided with the sterephonic loudspeaker of aforementioned independent tone chamber (14) in left and right earphone body (1A) inside, it is than commonly using two sound channel earphones, can make the sound wave of output slightly be skewed, and the space of circling round between ear, and independent tone chamber makes audio have cohesion, the penetrating stereophonic effect clearly that reaches.

By the above as can be known, the technical characterictic of two embodiment of the present invention is the independent tone chamber innovative design based on Principles of Acoustics, improves earphone audio function, and sends out the former sound reproduction of clean, noiseless and balance, really tool practicality and progressive.

In sum, disclosed structure by former times is not had, and really can reach the effect of expection, and tool can supply industrial utilization, meets novel patent requirement fully, so file an application in accordance with the law.

The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of improved earphone comprises the earphone body, it is characterized in that, described earphone body comprises:

One housing according to predetermined body making and settlement has opening on the housing, its inside is provided with the multichannel loudspeaker of predetermined quantity, and each multichannel loudspeaker has independently tone chamber respectively;

Several multichannel loudspeaker comprise preposition main sound channel loudspeaker, center channel loudspeaker and rearmounted around loudspeaker at least, and comply with the characteristic of each sound channel loudspeaker, make it be separately positioned on each independently book office of tone chamber;

One lid is installed in the opening of described housing, and its surface is provided with phonate hole with respect to described each sound channel loudspeaker;

One cover body is located on the described lid;

Above-mentioned independent tone chamber is the body that the front and back end has through hole.

2, improved earphone according to claim 1 is characterized in that described multichannel loudspeaker also include the supper bass loudspeaker.

3, improved earphone according to claim 1 is characterized in that described several multichannel loudspeaker by tone chamber independently separately, make each sound channel loudspeaker be located at different height or angle positions in the housing.

4, a kind of improved earphone comprises the earphone body, it is characterized in that, described earphone body comprises:

One housing that is made according to the pre-setting body has opening on the housing, its inside is provided with a loudspeaker horn, and this loudspeaker horn has independently tone chamber;

Described loudspeaker horn is the characteristic according to its loudspeaker monomer, is located in the described independent tone chamber, makes it be positioned preposition or angle in the earphone body;

One lid is installed in the opening of described housing, and its surface is provided with phonate hole;

One cover body is located on the described lid;

5, improved earphone according to claim 4 is characterized in that described loudspeaker horn is that inclination 15～20 degree angles are installed in precalculated position, described independent tone chamber.

6, improved earphone according to claim 4, the periphery that it is characterized in that described independent tone chamber can be provided with second tone chamber than large diameter again, this second tone chamber is the side that eccentric shape is located at independent tone chamber, and convexedly stretches in top surface, and is provided with phonate hole in the off-centre district.