CN103634719B - A kind of earphone - Google Patents
A kind of earphone Download PDFInfo
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- CN103634719B CN103634719B CN201310658375.2A CN201310658375A CN103634719B CN 103634719 B CN103634719 B CN 103634719B CN 201310658375 A CN201310658375 A CN 201310658375A CN 103634719 B CN103634719 B CN 103634719B
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Abstract
The present invention relates to a kind of earphone, it includes housing and is built in the loudspeaker of rear, the housing cavity of horn front forms ante-chamber, the first dividing plate it is provided with in ante-chamber, offering on first dividing plate and be covered with vibrating diaphragm on one or more sound hole and each sound hole, the vibrating diaphragm at least one sound hole is for offering half vibrating diaphragm jaggy；On the position of its sound outlet end, it is being additionally provided with second partition in ante-chamber, second partition is being provided with multiple through hole at spacer ring on the position at its edge, border；The edge, border of second partition leading flank is provided with annular gear edge, on the internal ring wall on annular gear edge, interval is connected with polylith cell separators, space between second partition and the front bulkhead of ante-chamber is separated into and is positioned at multiple unit chambeies of border and is positioned at center and the center cavity connected with each unit chamber by each unit dividing plate, and the front bulkhead of ante-chamber offers the sound outlet connected with above-mentioned center cavity.Present configuration is simple, deft design, can produce preferable audio and can reduce the damage to human ear.
Description
Technical field
The present invention relates to a kind of earphone.
Background technology
The commonly used earphone of people is listened to music or receives calls, and earphone sends the purity of sound and high, medium and low audio fruit directly affects the audio experience of people.Especially audiophile, it has very strict requirements especially to the sound effect of earphone.Each earphone manufacturer always using improve earphone sound effect as its main R&D target, transfer voice is realized owing to earphone is changed by acoustic-electric, therefore, each earphone producer is often only placed on reduction signal of telecommunication interference Research Emphasis and improves on spectral purity, the most very little in earphone improvement physically, so that each producer is while consuming a large amount of man power and material's cost, the effect of acquirement is general.
Earphone generally comprises housing and is built in the loudspeaker of rear, and the housing cavity of horn front forms ante-chamber, and sound outlet is offered in the front end of housing.The sound that loudspeaker send initially enters ante-chamber, is directly entered human ear by the sound outlet of housing forward end the most again.In existing earphone, sound effect is completely dependent on the performance of loudspeaker, therefore, the harshest to the performance requirement of loudspeaker, meanwhile, depends merely on loudspeaker and also is difficult to produce gratifying sound effect.It addition, in existing earphone, loudspeaker the most just to human ear, the most direct incoming human ear of sound that loudspeaker produce, if human ear can be caused damage by long periods of wear, easily cause the serious consequence such as tinnitus, deafness, and the most In-Ear earphone damage is bigger.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in construction, deft design, can produce preferable audio and can reduce the earphone of damage human ear.
For solving above-mentioned technical problem, the earphone of the present invention includes housing and is built in the loudspeaker of rear, the housing cavity of horn front forms ante-chamber, it is provided with the first dividing plate in being structurally characterized in that described ante-chamber, offering on first dividing plate and be covered with vibrating diaphragm on one or more sound hole and each sound hole, the vibrating diaphragm at least one sound hole is for offering half vibrating diaphragm jaggy.
Using said structure, ante-chamber is separated by the first dividing plate, can effectively intercept the sound horn direct impact to human ear, reduce the infringement to human ear；Meanwhile, by the change to front cavity configuration, the bounce-back of sound wave and overlapping increase, thus the stereoeffect of sound is enhanced；Arranging the vibrating diaphragm on sound hole and the structure of vibrating diaphragm and at least one sound hole is half vibrating diaphragm, breach on half vibrating diaphragm for for partial sound directly through, the sound wave of characteristic frequency then with vibrating diaphragm generation resonance response such that it is able to targetedly a certain or certain several frequency band sound are carried out strengthen audio effect processing.
Described sound hole arranges on three and three sound holes correspondence respectively altogether and is covered with tweeters diaphragms, middle pitch vibrating diaphragm and bass vibrating diaphragm.On one or more in described three sound holes, two-layer half vibrating diaphragm is installed.This kind is arranged mainly for headset style earphone, owing to the housing of headset style earphone is bigger, therefore, enough spaces can be had on first dividing plate to offer three even more sound holes, the vibrating diaphragm of the unlike material corresponding with high, medium and low sound and thickness can be respectively provided with as required, thus the sound of each range is purified and strengthens range effect process, make people obtain optimal audio experience.Two-layer half vibrating diaphragm is set, twice resonance response can be carried out on a sound hole, if two-layer half vibrating diaphragm uses different materials and thickness, then can respond the sound wave of two kinds of frequencies in same sound hole,.
Described sound hole offers one in the center of the first dividing plate, and this sound hole is covered with one and half vibrating diaphragms respectively in the both sides of the first dividing plate.This kind is arranged mainly for In-Ear earphone, owing to In-Ear earphone case is less, its first interior dividing plate often can only offer a sound hole, now, double-deck half vibrating diaphragm can be set on this sound hole, every layer of half vibrating diaphragm can use different materials and thickness, thus can be with the sound wave generation resonance response of different frequency range, so that sound effect is strengthened and improves.
On the position of its sound outlet end, it is being additionally provided with second partition in described ante-chamber, second partition is being provided with multiple through hole at spacer ring on the position at its edge, border.The setting of second partition serves the effect intercepting sound further, the impact of sound wave is distributed on each through hole of border, sound through each through hole converges in human ear again, thus effectively prevent the sound direct impact to human ear, reduces the infringement to human ear.Meanwhile, the sound wave through different through holes is overlapped mutually generation reverberation, adds the cavity sense of reverberation of sound effect and sound, enriches the audio experience of people.
The edge, border of described second partition leading flank is provided with annular gear edge, on the internal ring wall on annular gear edge, interval is connected with polylith cell separators, described each through hole is separated by each unit dividing plate one by one, space between second partition and the front bulkhead of ante-chamber is separated into and is positioned at multiple unit chambeies of border and is positioned at center and the center cavity connected with each unit chamber by each unit dividing plate, and the front bulkhead of ante-chamber offers the sound outlet connected with above-mentioned center cavity.Being separated out unit chamber and center cavity by cell separators, first the sound through through hole collect at respective unit intracavity, reassociates in the center cavity of centre afterwards, enters human ear finally by sound outlet.In center cavity, the sound wave from each unit intracavity is overlapped mutually, and intensity of sound is strengthened, and the frequency range of sound is extended, thus has widened the bandwidth of output sound, improves sound effect.Simultaneously as the acoustic reflection at each intracavity increases, the stereoeffect of sound is also strengthened.
The annular sound-absorbing sponge pad that each through hole can be blocked it is fitted with on the trailing flank of described second partition.Sound-absorbing sponge pad can according to real needs carry out select arrange, its can assist absorption sound, make sound softer, thus reduce further the sound wave impact to human ear.
In sum, present configuration is simple, deft design, can produce preferable audio and can reduce the damage to human ear.
Accompanying drawing explanation
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the first embodiment of the present invention；
Fig. 2 is the sectional view of the one of which half vibrating diaphragm mounting means in A-A direction along Fig. 1；
Fig. 3 is the sectional view of the another kind half vibrating diaphragm mounting means in A-A direction along Fig. 1；
Fig. 4 is the sectional view in B-B direction along Fig. 1；
Fig. 5 is the structural representation of the second embodiment of the present invention；
Fig. 6 is the sectional view in C-C direction along Fig. 4；
Fig. 7 is the sectional view in D-D direction along Fig. 4；
Fig. 8 is the structural representation of the third embodiment of the present invention；
Fig. 9 is the sectional view in E-E direction along Fig. 7.
Detailed description of the invention
Referring to the drawings, the earphone of the present invention includes housing 1 and is built in the loudspeaker 2 at housing 1 rear portion, the housing cavity of loudspeaker 2 front portion forms ante-chamber, the first dividing plate 3 it is provided with in ante-chamber, offering on first dividing plate 3 and be covered with vibrating diaphragm 5 on one or more sound hole 4 and each sound hole 4, the vibrating diaphragm 5 at least one sound hole 4 is half vibrating diaphragm 51 offering breach 6.In said structure, 3 ante-chambers are separated by the first dividing plate, can effectively intercept the sound horn direct impact to human ear, reduce the infringement to human ear.Meanwhile, by the change to front cavity configuration, the bounce-back of sound wave and overlapping increase, thus the stereoeffect of sound is enhanced.Arranging the vibrating diaphragm on sound hole 4 and the structure of vibrating diaphragm 5 and at least one sound hole 4 is half vibrating diaphragm 51, breach on half vibrating diaphragm 51 6 for for partial sound directly through, then there is resonance response with vibrating diaphragm 5 in the sound wave of characteristic frequency such that it is able to carries out a certain or certain several frequency band sound targetedly strengthening audio effect processing.
Shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4 for headset style earphone, in this kind of earphone, sound hole 4 arranges on three and three sound holes 4 correspondence respectively altogether and is covered with tweeters diaphragms, middle pitch vibrating diaphragm and bass vibrating diaphragm, bass vibrating diaphragm is half vibrating diaphragm 51, other vibrating diaphragm is full vibrating diaphragm 52, so-called full vibrating diaphragm 52 refer to corresponding sound hole is completely covered without vibrating diaphragm jaggy.Wherein, for the breach 6 on half vibrating diaphragm 51, breach 6 structure shown in Fig. 2 can be used, it is possible to use breach 6 structure shown in Fig. 3, Fig. 6 and Fig. 7, arrange the most flexibly.It addition, according to the demand to sound effect, in headset style earphone, half vibrating diaphragm 51 may be used without double-decker, it may be assumed that bass vibrating diaphragm respectively arranges one layer in the both sides of the first dividing plate 3.The structure of above-mentioned double-deck half vibrating diaphragm 51 does not embodies in the accompanying drawing of headset style earphone, can refer to the structure of the In-Ear Headphones shown in Fig. 5 to Fig. 7.As shown in Figure 1, Figure 2 and Figure 3, the housing 1 of headset style earphone is bigger, therefore, enough spaces can be had on first dividing plate 3 to offer three even more sound holes 4, the vibrating diaphragm 5 of the unlike material corresponding with high, medium and low sound and thickness can be respectively provided with as required, thus the sound of each range is purified and strengthens range effect process.Wherein, as required, tweeters diaphragms can use Kapton etc. that high pitch is had the preferable vibrating diaphragm responded, and middle pitch vibrating diaphragm can use bamboo membrane or Intestinum caprae seu ovis film etc. to have the vibrating diaphragm of preferably response to middle pitch, and bass vibrating diaphragm can use kraft paper etc. to have, for bass, the vibrating diaphragm preferably responded.
The structure for In-Ear Headphones shown in Fig. 5 to Fig. 9, in In-Ear Headphones, sound hole 4 offers one in the center of the first dividing plate 3, and on this sound hole 4, the both sides at the first dividing plate 3 are covered with one and half vibrating diaphragms 51 respectively.Have limited with the inner space of In-Ear Headphones, therefore the size of the first dividing plate 3 is limited, sound hole 4 now can only offer one, by arranging the structure of double-deck half vibrating diaphragm 51 on sound hole 4, every layer of half vibrating diaphragm 51 can use different materials and thickness, thus can be with the sound wave generation resonance response of different frequency range, so that sound effect is strengthened and is improved.Wherein, from Fig. 6 and Fig. 7, the breach 6 on two-layer half vibrating diaphragm 51 is crisscross arranged, this kind of set-up mode can avoid too much sound directly by two breach 6 directly through, thus ensure that sound and later layer half vibrating diaphragm 51 also can produce resonance response.It addition, the breach 6 shown in Fig. 6 and Fig. 7 is the strip mouth being opened in centre, now, the thin film of breach 6 both sides can use different materials and thickness, it may be assumed that the thin film of two kinds of materials and thickness can be used to form same layer half vibrating diaphragm 5.
Referring to the drawings, in ante-chamber, on the position of its sound outlet end, it is being additionally provided with second partition 7, second partition 7 is being provided with multiple through hole 8 at spacer ring on the position at its edge, border.Wherein, in the headset style earphone shown in Fig. 1 and Fig. 4, sound outlet 14 being covered with sound-absorbing sponge 16, the front bulkhead 11 of ante-chamber is provided with annular ear bag 17, and annular ear bag 17 uses flexible material to make.In In-Ear Headphones shown in Fig. 5 and Fig. 8, its sound outlet 14 connecting and has into syrinx 18, this front end entering syrinx 18 is cased with flexible earplug 19.The difference of Fig. 5 and Fig. 8 is, does not sets up second partition 7 and Fig. 7 is additionally arranged second partition 7 in Fig. 5.The setting of second partition 7 serves the effect intercepting sound further, the impact of sound wave is distributed on each through hole of border, sound through each through hole converges in human ear again, thus effectively prevent the sound direct impact to human ear, reduces the infringement to human ear.Meanwhile, the sound wave through different through holes 8 is overlapped mutually and can produce reverberation effect, thus can enrich the audio experience of people.
With reference to Fig. 1, Fig. 4, Fig. 8 and Fig. 9, as the further improvement to second partition, annular gear it is provided with along 9 at the edge, border of second partition 7 leading flank, the leading flank of so-called second partition 7 refers to the face that second partition 7 is relative with the front bulkhead 11 of ante-chamber, and the another side of second partition 7 is then referred to as trailing flank.Annular gear interval along the internal ring wall of 9 is connected with the cell separators 10 of polylith, and each through hole 8 is separated by cell separators 10 one by one.Space between second partition 7 and the front bulkhead 11 of ante-chamber is separated into and is positioned at multiple unit chambeies 12 of border and is positioned at center and the center cavity 13 connected with each unit chamber 12 by each unit dividing plate 10, and the front bulkhead 11 of ante-chamber offers the sound outlet 14 connected with above-mentioned center cavity 13.In this kind of improved structure, being separated out unit chamber 12 and center cavity 13 by cell separators 10, first the sound through through hole 8 collect in respective unit chamber 12, reassociates in the center cavity 13 of centre afterwards, enters human ear finally by sound outlet.In center cavity 13, being overlapped mutually from the sound wave in each unit chamber 12, intensity of sound is strengthened, and the frequency range of sound is extended, thus has widened the bandwidth of output sound, improves sound effect.Simultaneously as the acoustic reflection at each intracavity increases, the stereoeffect of sound is also strengthened.
In order to reduce the direct impact of sound further, the trailing flank of second partition 7 is fitted with the annular sound-absorbing sponge pad 15 that can be blocked by each through hole 8.Showing the sound-absorbing sponge pad 15 of annular in Fig. 1 and Fig. 8, its effect is assist absorption sound wave, reduces the sound wave directly impact to human ear further so that sound is softer.
Define ante-chamber in the present invention, ante-chamber shown in accompanying drawing is the enclosure interior space of horn front, owing to loudspeaker include the horn cover that body and outside occur of inside, the inner chamber of horn cover can also be a part for ante-chamber, therefore, first dividing plate is arranged on the structure in horn cover, is also contained in the scope of the present invention.
In sum, the invention is not restricted to above-mentioned detailed description of the invention.Those skilled in the art, under the premise without departing from the spirit and scope of the present invention, can do some changes and modification.Protection scope of the present invention should be as the criterion with the claim of the present invention.
Claims (7)
1. an earphone, including housing (1) and the loudspeaker (2) that are built in housing (1) rear portion, the housing cavity formation ante-chamber that loudspeaker (2) are anterior, the first dividing plate (3) it is provided with in it is characterized in that described ante-chamber, offering on first dividing plate (3) and be covered with vibrating diaphragm (5) on one or more sound hole (4) and each sound hole (4), the vibrating diaphragm (5) at least one sound hole (4) is half vibrating diaphragm (51) offering breach (6).
2. earphone as claimed in claim 1, is characterized in that described sound hole (4) arranges on three and three sound holes (4) correspondence respectively altogether and is covered with tweeters diaphragms, middle pitch vibrating diaphragm and bass vibrating diaphragm.
3. earphone as claimed in claim 2, it is characterized in that in described three sound holes (4) one or more on two-layer half vibrating diaphragm is installed.
4. earphone as claimed in claim 1, is characterized in that described sound hole (4) offers one in the center of the first dividing plate (3), and on this sound hole (4), the both sides at the first dividing plate (3) are covered with one and half vibrating diaphragms (51) respectively.
5. the earphone as according to any one of Claims 1-4, on the position of its sound outlet end, it is being additionally provided with second partition (7) in it is characterized in that described ante-chamber, second partition (7) is being provided with multiple through hole (8) at spacer ring on the position at its edge, border.
6. earphone as claimed in claim 5, it is characterized in that the edge, border of described second partition (7) leading flank is provided with annular gear edge (9), annular gear interval along the internal ring wall of (9) is connected with the cell separators (10) that described each through hole (8) is separated by polylith one by one, space between second partition (7) with the front bulkhead of ante-chamber (11) is separated into and is positioned at multiple unit chambeies (12) of border and is positioned at center and the center cavity (13) connected with each unit chamber (12) by each unit dividing plate (10), the sound outlet (14) connected with above-mentioned center cavity (13) is offered on the front bulkhead (11) of ante-chamber.
7. earphone as claimed in claim 5, is characterized in that being fitted with the annular sound-absorbing sponge pad (15) that can each through hole (8) be blocked on the trailing flank of described second partition (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658375.2A CN103634719B (en) | 2013-12-09 | 2013-12-09 | A kind of earphone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310658375.2A CN103634719B (en) | 2013-12-09 | 2013-12-09 | A kind of earphone |
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| Publication Number | Publication Date |
|---|---|
| CN103634719A CN103634719A (en) | 2014-03-12 |
| CN103634719B true CN103634719B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310658375.2A Active CN103634719B (en) | 2013-12-09 | 2013-12-09 | A kind of earphone |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111586540A (en) * | 2017-08-29 | 2020-08-25 | 张琴 | Loudspeaker assembly of mobile terminal |
| CN112398987A (en) * | 2020-11-18 | 2021-02-23 | 维沃移动通信有限公司 | Electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255817A (en) * | 1998-11-26 | 2000-06-07 | 林仲宇 | Earphone structure without acoustic hearing loss and impulsive noise |
| CN102333259A (en) * | 2011-07-14 | 2012-01-25 | 瑞声声学科技(深圳)有限公司 | Earphone |
| CN203801053U (en) * | 2013-12-09 | 2014-08-27 | 李翰林 | Earphone |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5610903B2 (en) * | 2010-07-30 | 2014-10-22 | 株式会社オーディオテクニカ | Electroacoustic transducer |
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2013
- 2013-12-09 CN CN201310658375.2A patent/CN103634719B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255817A (en) * | 1998-11-26 | 2000-06-07 | 林仲宇 | Earphone structure without acoustic hearing loss and impulsive noise |
| CN102333259A (en) * | 2011-07-14 | 2012-01-25 | 瑞声声学科技(深圳)有限公司 | Earphone |
| CN203801053U (en) * | 2013-12-09 | 2014-08-27 | 李翰林 | Earphone |
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| CN103634719A (en) | 2014-03-12 |
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