CN104320730A - Microphone device with open type vocal cavities - Google Patents
Microphone device with open type vocal cavities Download PDFInfo
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- CN104320730A CN104320730A CN201410584095.6A CN201410584095A CN104320730A CN 104320730 A CN104320730 A CN 104320730A CN 201410584095 A CN201410584095 A CN 201410584095A CN 104320730 A CN104320730 A CN 104320730A
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- microphone
- uproar
- net
- land
- wind
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Abstract
The invention discloses a microphone device with open type vocal cavities, and relates to the technical field of microphones. The microphone device comprises a microphone body, an outer shell is fixed outside the microphone body, the outer shell is of a cylindrical structure with the two ends open, and the microphone body is fixed at one end of the outer shell; a first annular table is arranged on the inner side of the other end of the outer shell, and a first wind noise reducing net is fixed on the first annular table; a second annular table is arranged on the inner wall, located between the first annular table and the microphone body, of the outer shell, and a second wind noise reducing net is fixed on the second annular table; the first vocal cavity is formed between the first wind noise reducing net and the second wind noise reducing net, and the second vocal cavity is formed between the second wind noise reducing net and the microphone body. The microphone device solves the technical problems that in the prior art, a microphone is much affected by wind noise and is low in pickup sensitivity. The microphone device is high in wind noise reducing ability, high in pickup sensitivity and good in acoustic performance.
Description
Technical field
The present invention relates to microphone products technical field, particularly a kind of microphone apparatus of the open operatic tunes of making an uproar for reducing wind.
Background technology
Microphone is a kind of pick up facility, is the energy converter voice signal received being converted to the signal of telecommunication.
As shown in Figure 6, microphone apparatus of the prior art comprises shell 10c, the open at one end of shell 10c is also fixed with microphone monomer 20, the other end of shell 10c is only provided with a small-sized pickup hole 18, forms the operatic tunes of microphone apparatus between the pickup nose end of microphone monomer 20 and shell 10c.Voice signal enters into the operatic tunes by pickup hole 18, then be applied on the pickup face of microphone monomer 20, small-sized due to pickup hole 18, when the electronics such as earphone or mobile phone being provided with this kind of structure microphone apparatus uses out of doors, be easy to produce eddy current wind make an uproar, had a strong impact on the acoustical behavior of microphone.
Make an uproar to reduce eddy current wind, technical staff can fill various sound-absorbing medium usually in the operatic tunes, and as sponge 50, but sponge 50 is reducing the sensitivity also reducing microphone while wind is made an uproar, and have impact on the acoustical behavior of microphone.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of microphone apparatus of the open operatic tunes, and the microphone apparatus of this open operatic tunes can effectively reduce wind and make an uproar, and pickup is highly sensitive simultaneously, and acoustical behavior is good, long service life.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A microphone apparatus for the open operatic tunes, comprises microphone monomer, is fixed with shell outside described microphone monomer, and described shell is the tubular structure of open at both ends, and described microphone monomer solid fixes on one end of described shell; The inner side of the other end of described shell is provided with the first land, described first land is fixed with first and falls wind and to make an uproar net; Described outer casing inner wall between described first land and described microphone monomer is provided with the second land, described second land is fixed with second and falls wind and to make an uproar net; Described first fall wind make an uproar net and described second fall wind make an uproar net between form first operatic tunes, described second falls wind makes an uproar between net and described loudspeaker monomer and forms second operatic tunes.
As a kind of execution mode, described second land is obliquely installed, described second fall wind make an uproar net and described microphone monomer pickup face between accompany acute angle.
Wherein, the span of described acute angle is between 20 ° ~ 50 °.
As another execution mode, described second land is horizontally disposed with, and described second to fall wind net of making an uproar parallel with the pickup face of described microphone monomer.
Wherein, described first land and described second land are the ledge structure on described outer casing inner wall.
Wherein, described first to fall wind net of making an uproar be plastic mesh or the wire netting of hard.
Wherein, described first falls wind and to make an uproar the outer surface of net and the end face of described shell.
Wherein, be set with gum cover outside described microphone monomer, described gum cover is fixing on the housing.
Wherein, the inwall of described shell is also provided with the 3rd protruding land, described 3rd land fixes near the side of described microphone monomer and described gum cover.
Wherein, described gum cover is silica gel sheath.
After have employed technique scheme, the invention has the beneficial effects as follows:
Shell due to the microphone apparatus of the open operatic tunes of the present invention is the tubular structure of open at both ends, microphone monomer solid fixes on one end of shell, the open operatic tunes is formed between loudspeaker monomer and the other end of shell, the operatic tunes falls wind net of making an uproar by first and is isolated from the outside, also be provided with second in the operatic tunes to fall wind and to make an uproar net, second falls wind net of making an uproar is divided into first operatic tunes and second operatic tunes by the whole operatic tunes.The open operatic tunes increases pickup area, effectively can avoid the formation of resonant cavity, greatly reduces eddy current wind and makes an uproar and the pickup sensitivity effectively raising microphone; Simultaneously first falls wind net of making an uproar and has tentatively filtered out portion of external wind and make an uproar; other wind entered in the operatic tunes is made an uproar and can be cushioned in first operatic tunes; then through second fall wind make an uproar net filtration again; effectively can filter out extraneous most wind to make an uproar; and first fall wind make an uproar net can also play decoration and protective effect; reduce the impaired probability of microphone monomer, extend the useful life of microphone apparatus.The wind that falls recording inventive microphone device is by experiment made an uproar and can be improve about 15dB by force rate microphone apparatus of the prior art, and signal to noise ratio is higher, pickup sensitivity can improve 3dB at 1KHz place, visible, inventive microphone device compared with prior art its overall performance is greatly improved.
Because the second land is obliquely installed, second fall wind make an uproar net and microphone monomer pickup face between accompany acute angle.Second falls wind being obliquely installed of net of making an uproar makes the wind entering first operatic tunes make an uproar must to change direction just can enter into second operatic tunes and be applied on microphone monomer, wind is made an uproar and serves larger barrier effect, further reducing wind makes an uproar on the impact of microphone, further improves the acoustical behavior of microphone.
The ledge structure on outer casing inner wall is due to the first land and the second land, the space that this structure effectively make use of again side wall of outer shell while ensure that side wall of outer shell intensity fixes and falls wind and to make an uproar net, effective space of saving the operatic tunes, and shell mechanism is simple, easily processes.
Because first falls wind and to make an uproar the outer surface of net and the end face of shell, making first to fall, that wind makes an uproar that net is combined with shell is more firm, effectively reduces first and falls wind and to make an uproar the probability that net comes off from shell, also make the profile of microphone apparatus more attractive in appearance simultaneously.
Owing to being set with gum cover outside microphone monomer, gum cover is arranged on the effect can playing slowing down vibration between microphone monomer and shell, the friction noise that hand or face due to user contact with microphone and produce can also be reduced simultaneously, further improve the acoustical behavior of microphone apparatus.
Owing to the inwall of shell being also provided with the 3rd protruding land, 3rd land is used for the spacing of microphone monomer, ensure that microphone monomer installation site also can effectively prevent microphone monomer from moving to the operatic tunes accurately simultaneously, ensure that microphone monomer and the reliability be electrically connected between circuit board and stability.
In sum, the microphone apparatus of the open operatic tunes of the present invention solves microphone wind-engaging in prior art and makes an uproar impact greatly, the technical problems such as pickup sensitivity is low.The microphone apparatus of the open operatic tunes of the present invention falls wind and makes an uproar ability by force, and pickup is highly sensitive, and acoustical behavior is good, long service life.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of the microphone apparatus embodiment one of the open operatic tunes of the present invention;
Fig. 2 is the constitutional diagram of Fig. 1;
Fig. 3 is the A-A line cutaway view of Fig. 2;
Fig. 4 is the stereo decomposing structural representation of the microphone apparatus embodiment two of the open operatic tunes of the present invention;
Fig. 5 is the sectional structure schematic diagram of the microphone apparatus embodiment two of the open operatic tunes of the present invention;
Fig. 6 is the sectional structure schematic diagram of microphone apparatus in prior art;
In figure: 10a, shell, 10b, shell, 10c, shell, 12, the 3rd land, 14a, the second land, 14b, the second land, 16, the first land, 18, pickup hole, 20, microphone monomer, 30, gum cover, 40a, second falls wind and to make an uproar net, and 40b, second falls wind and to make an uproar net, 42, first falls wind and to make an uproar net, 50, sponge, 60, first operatic tunes, 62, second operatic tunes.
Embodiment
Below in conjunction with drawings and Examples, set forth the present invention further.
The top related in this specification all refers to orientation residing for the operatic tunes, and below all refers to orientation residing for microphone monomer; The inner side related in this specification all refers to the side in microphone apparatus cavity, and outside all refers to the side outside microphone apparatus cavity.
Embodiment one:
As Fig. 1 and Fig. 2 jointly shown in, a kind of microphone apparatus of the open operatic tunes, comprises microphone monomer 20, and the outside of microphone monomer 20 is set with gum cover 30, and the outside of gum cover 30 is fixed with shell 10a.Shell 10a is the tubular structure of open at both ends, microphone monomer 20 and gum cover 30 are fixed on the lower end of shell 10a, form the open operatic tunes of microphone apparatus between the upper end of microphone monomer 20 and shell 10a, fall wind net 42 of making an uproar by first between the operatic tunes and the external world and isolate.
As Fig. 1 and Fig. 3 jointly shown in, the inwall of shell 10a is provided with successively the first land 16, second land 14a and the 3rd land 12 from top to bottom, wherein the first land 16 and the second land 14a are the hierarchic structure on shell 10a inwall, and the 3rd land 12 is the bulge-structure on shell 10a inwall.Namely the inwall of shell 10a is stepped, and its first cascaded surface is the upper surface of shell 10a sidewall, and second-order tread is the first land the 16, three cascaded surface is the second land 14a.First falls wind net 42 of making an uproar is fixed in the first land 16, and first falls the make an uproar outer surface of net 42 of wind and flushes with the upper surface of shell 10a, first fall wind make an uproar net 42 and the end face of shell 10a first can be made to fall that wind makes an uproar that net 42 is combined with shell 10a is more firm, effectively reduce first to fall wind and to make an uproar the probability that net 42 comes off from shell 10a, also make the profile of microphone apparatus more attractive in appearance simultaneously.Second land 14a is fixed with second fall wind make an uproar net 40a, second fall wind make an uproar net 40a the whole operatic tunes is divided into first operatic tunes 60 and second operatic tunes 62, first falls make an uproar net 42, shell 10a and second of wind falls the wind net 40a that makes an uproar and surrounds first operatic tunes 60, the second and fall make an uproar net 40a, shell 10a and microphone monomer 20 of wind and surround second operatic tunes 62.The space that the hierarchic structure of shell 10a inwall effectively make use of again side wall of outer shell while ensure that side wall of outer shell intensity fixes and falls wind and to make an uproar net, effectively saved the space of the operatic tunes, and shell mechanism is simple, easily processes.
As shown in Figure 3, second land 14a is obliquely installed, namely a side position of the second land 14a is higher near the first land 16, opposite side position is lower near the 3rd land 12, the upper surface that present embodiment is preferably the second land 14a position lowest part overlaps with the upper surface of the 3rd land 12, this kind of structure processing is simple, therefore be fixed on second on the second land 14a fall wind make an uproar net 40a be also obliquely installed accordingly, second fall wind make an uproar net 40a and microphone monomer 20 pickup face between accompany sharp angle α, the span of sharp angle α is between 20 ° ~ 50 °.Second falls the wind net 40a that makes an uproar is obliquely installed and can changes wind and to make an uproar the direction of propagation in the operatic tunes, makes it weaken, and it is stronger to fall wind ability of making an uproar.
As Fig. 1 and Fig. 3 jointly shown in, gum cover 30 is silica gel sheath, it is the tubular structure of two ends perforate, namely its two ends be respectively provided with an annular with the chimb of sidewalls orthogonal, two chimbs can be good at microphone monomer 20 to be fixed in gum cover 30, the pickup face simultaneously can exposing again microphone monomer 20 and the pad be connected with circuit.Gum cover 30 is arranged on the effect can playing slowing down vibration between microphone monomer 20 and shell 10a, can also reduce the friction noise that hand or face due to user contact with microphone and produce simultaneously, further improve the acoustical behavior of microphone apparatus.The lower surface of the knurled surface and the 3rd land 12 that are positioned at gum cover 30 upper end leans, spacing for microphone monomer of 3rd land 12, ensure that microphone monomer 20 installation site also can effectively prevent microphone monomer 20 from moving to the operatic tunes accurately simultaneously, ensure that microphone monomer 20 and the reliability be electrically connected between circuit board and stability.
As shown in Figure 1; first to fall wind net 42 of making an uproar be plastic mesh or the corrosion of metals net of hard; its play reduce wind make an uproar while also serve decoration and protective effect, the overall appearance degree of electronic equipment can be improved when microphone apparatus is installed on electronic equipment.
As shown in Figure 3, first fall wind make an uproar net 42 and second fall wind make an uproar net 40a be all by its periphery gum, be then pasted and fixed on respectively on the first land 16 and the second land 14a.
Embodiment two:
Present embodiment is substantially identical with embodiment one, and its difference is:
As Fig. 4 and Fig. 5 jointly shown in, the second land 14b is horizontally set on the inwall of shell 10b, and first falls wind net 42, second of making an uproar falls make an uproar net 40b and the pickup face three of microphone monomer 20 of wind and be arranged in parallel.
Present embodiment processing and fabricating compared with embodiment one is simple, but it is slightly poor to fall wind effect of making an uproar.
The microphone apparatus of the open operatic tunes of the present invention passes through the open at both ends of shell, eliminate pickup hole of the prior art, thus the operatic tunes of microphone apparatus is designed to open, and fall wind net of making an uproar by one and be isolated from the outside, increase pickup area, effectively avoid the formation of resonant cavity, greatly reduce eddy current wind and make an uproar and the pickup sensitivity effectively raising microphone; Simultaneously first falls wind net of making an uproar and has tentatively filtered out portion of external wind and make an uproar; other wind entered in the operatic tunes is made an uproar and can be cushioned in first operatic tunes; then through second fall wind make an uproar net filtration again; effectively can filter out extraneous most wind to make an uproar; and first fall wind make an uproar net can also play decoration and protective effect; reduce the impaired probability of microphone monomer, extend the useful life of microphone apparatus.The wind that falls recording inventive microphone device is by experiment made an uproar and can be improve about 15dB by force rate microphone apparatus of the prior art, and signal to noise ratio is higher, pickup sensitivity can improve 3dB at 1KHz place, and inventive microphone device compared with prior art its overall performance is greatly improved.
The structure of inventive microphone device is not limited to the structure described by above-mentioned two execution modes, the open operatic tunes of the present invention is also provided with two-layer the make an uproar technical scheme of net of wind of falling and may be used on the microphone apparatus that any one is installed in the electronics such as earphone or mobile phone, those skilled in the art do not need to pay creative work according to the elaboration of this specification and just can be applied in the microphone apparatus of other structure by technical scheme of the present invention, therefore describe in detail no longer one by one at this about the embodiment that technical scheme of the present invention is applied in the microphone apparatus of other structure.Separately regardless of other structure of microphone apparatus, as long as have employed the open operatic tunes, and reduce the microphone products that wind makes an uproar all fall within protection scope of the present invention by the two-layer wind net of making an uproar that falls.
The band sequenced feature name that relates in the present invention (as first falls wind net and second of making an uproar and fall wind and to make an uproar net) is only used to distinguish technical characteristic, does not represent the position relationship between each feature, erection sequence and job order etc.
The present invention is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, all drop within protection scope of the present invention.
Claims (10)
1. the microphone apparatus of the open operatic tunes, comprises microphone monomer, is fixed with shell, it is characterized in that outside described microphone monomer: described shell is the tubular structure of open at both ends, and described microphone monomer solid fixes on one end of described shell; The inner side of the other end of described shell is provided with the first land, described first land is fixed with first and falls wind and to make an uproar net; Described outer casing inner wall between described first land and described microphone monomer is provided with the second land, described second land is fixed with second and falls wind and to make an uproar net; Described first fall wind make an uproar net and described second fall wind make an uproar net between form first operatic tunes, described second falls wind makes an uproar between net and described loudspeaker monomer and forms second operatic tunes.
2. the microphone apparatus of the open operatic tunes according to claim 1, is characterized in that: described second land is obliquely installed, described second fall wind make an uproar net and described microphone monomer pickup face between accompany acute angle.
3. the microphone apparatus of the open operatic tunes according to claim 2, is characterized in that: the span of described acute angle is between 20 ° ~ 50 °.
4. the microphone apparatus of the open operatic tunes according to claim 1, is characterized in that: described second land is horizontally disposed with, and described second to fall wind net of making an uproar parallel with the pickup face of described microphone monomer.
5. the microphone apparatus of the open operatic tunes according to the arbitrary claim of Claims 1-4, is characterized in that: described first land and described second land are the ledge structure on described outer casing inner wall.
6. the microphone apparatus of the open operatic tunes according to the arbitrary claim of Claims 1-4, is characterized in that: described first to fall wind net of making an uproar be plastic mesh or the wire netting of hard.
7. the microphone apparatus of the open operatic tunes according to the arbitrary claim of Claims 1-4, is characterized in that: described first falls wind makes an uproar the outer surface of net and the end face of described shell.
8. the microphone apparatus of the open operatic tunes according to the arbitrary claim of Claims 1-4, is characterized in that: be set with gum cover outside described microphone monomer, and described gum cover is fixing on the housing.
9. the microphone apparatus of the open operatic tunes according to claim 8, is characterized in that: the inwall of described shell is also provided with the 3rd protruding land, described 3rd land fixes near the side of described microphone monomer and described gum cover.
10. the microphone apparatus of the open operatic tunes according to claim 9, is characterized in that: described gum cover is silica gel sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410584095.6A CN104320730B (en) | 2014-10-27 | 2014-10-27 | The microphone apparatus of the open operatic tunes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410584095.6A CN104320730B (en) | 2014-10-27 | 2014-10-27 | The microphone apparatus of the open operatic tunes |
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| Publication Number | Publication Date |
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| CN104320730A true CN104320730A (en) | 2015-01-28 |
| CN104320730B CN104320730B (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410584095.6A Active CN104320730B (en) | 2014-10-27 | 2014-10-27 | The microphone apparatus of the open operatic tunes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018157518A1 (en) * | 2017-02-28 | 2018-09-07 | 歌尔股份有限公司 | Microphone wind noise preventing apparatus and electronic device |
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| CN203504716U (en) * | 2013-09-11 | 2014-03-26 | 中山市天键电声有限公司 | Three-terminal noise-reduction microphone |
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| CN204145693U (en) * | 2014-10-27 | 2015-02-04 | 青岛歌尔声学科技有限公司 | The microphone apparatus of the open operatic tunes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3807170C2 (en) * | 1987-03-06 | 1991-10-10 | Rycote Microphone Windshields Ltd., Stroud, Gloucestershire, Gb | |
| CN1085378A (en) * | 1992-09-08 | 1994-04-13 | 莫托罗拉公司 | Microphone packaging scheme |
| CN103929689A (en) * | 2003-06-06 | 2014-07-16 | 索尼爱立信移动通讯股份有限公司 | Wind Noise Reduction For Microphone |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018157518A1 (en) * | 2017-02-28 | 2018-09-07 | 歌尔股份有限公司 | Microphone wind noise preventing apparatus and electronic device |
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| Publication number | Publication date |
|---|---|
| CN104320730B (en) | 2018-12-25 |
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