CN208046839U - A kind of directional microphone - Google Patents
A kind of directional microphone Download PDFInfo
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- CN208046839U CN208046839U CN201820607767.4U CN201820607767U CN208046839U CN 208046839 U CN208046839 U CN 208046839U CN 201820607767 U CN201820607767 U CN 201820607767U CN 208046839 U CN208046839 U CN 208046839U
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Abstract
The utility model is related to Technology of Audio Collection fields, in particular to a kind of directional microphone.A kind of directional microphone, including microphone body, interference tube and angle-regulation structure.Multiple interference sound holes are provided on the circumferential surface of interference tube, multiple interference sound holes are spaced setting successively along the extending direction of interference tube.Angle-regulation structure includes the first connecting seat, connector and the second connecting seat set gradually；First connecting seat is connect with microphone body, and the second connecting seat is connect with headset plug, and first connecting portion has the rotary state rotated relative to the first connecting seat and relative to the fixed locking state of the first connecting seat；Second connecting portion has the rotary state rotated relative to the second connecting seat and relative to the fixed locking state of the second connecting seat.The directional microphone can during use be adjusted direction, and it is simple and convenient to adjust process.
Description
Technical field
The utility model is related to Technology of Audio Collection fields, in particular to a kind of directional microphone.
Background technology
Directional microphone is the microphone that a kind of limit most asks single direction to be directed toward.Its best radio reception angle is front
Small range conical region is mainly used for outdoor radio reception, the radio reception of such as outdoor news interview and video display location shooting.It preferably refers to
Tropism makes the relatively effective income for reducing surrounding enviroment noise of Mike's wind energy.Classified according to polar form, front is passed
The sound come is much than the audio response sensitivity that transmits below.There are two openings for directional microphone at the both ends of diaphragm, on one side
One.The vibration of diaphragm depends on the pressure difference at both ends according to phase relation.A fine and closely woven acoustics filter is set in the front end of rear acoustic aperture
Time-lag action has been netted, can reach vibrating diaphragm from former and later two acoustic aperture simultaneously from the sound transmitted below in this way and has been offset, thus has been directed toward
Property microphone pole figure be in heart shape.
This direction is gained the name in its pickup range like being a heart：In the front of microphone, to audio signal
Sensitivity is very high；And the side (at 90 degree) of microphone has been arrived, sensitivity is also good, but 6 decibels lower than front；
Finally, for the sound from microphone rear, it then has extraordinary shielding action.And just because of this microphone rear
The shielding action of sound, heart are directed toward microphone in multiple record environment, especially need the feelings for rejecting a large amount of indoor environment sound
It is highly useful under condition.In addition to this, this microphone can be also used for live performance, because its function of shielding can cut off performance
The echo generated in the process and environmental noise.In practice, it is heart-shaped be directed toward microphone be also in all kinds of microphones utilization rate it is relatively high
One kind, but to remember, as all non-omnidirectional's shape microphones, heart is directed toward microphone and can also show obviously to close on
Effect.
In the prior art, directional microphone there are problems that being not easy to adjust radio reception direction.
Utility model content
The purpose of this utility model is to provide a kind of directional microphones, and the directional microphone is simple in structure, easy to use,
There can be good effect to the audio collection of specific direction during use, and can effectively reduce peripheral ring
The income of border noise.In addition, the directional microphone can during use be adjusted direction, and adjust process letter
Folk prescription is just.
What the embodiments of the present invention were realized in：
A kind of directional microphone, including microphone body, interference tube and angle-regulation structure；
Be provided with multiple interference sound holes on the circumferential surface of interference tube, multiple interference sound holes along interference tube extending direction successively between
Every setting, damping paper corresponding with interference sound hole is provided in interference tube；One end of interference tube is set in microphone body
On, the other end of interference tube is provided with positive sound hole；
Angle-regulation structure includes the first connecting seat, connector and the second connecting seat set gradually；First connecting seat
It is connect with microphone body, the second connecting seat is connect with headset plug, in the first connecting seat, connector and the second connecting seat
It is respectively equipped with first through hole, the second through-hole and third through-hole, first through hole, the second through-hole and third through-hole are sequentially turned on, be used in combination
It is passed through in the conducting wire for connection microphone body and headset plug；The both ends of connector are respectively arranged with first connecting portion and second
Interconnecting piece, first connecting portion with the first connecting seat for connecting, and second connecting portion with the second connecting seat for connecting；
First connecting portion has the rotary state rotated relative to the first connecting seat and fixed relative to the first connecting seat
Locking state；Second connecting portion has the rotary state rotated relative to the second connecting seat and fixed relative to the second connecting seat
Locking state.
The directional microphone includes microphone body, interference tube and angle-regulation structure.Wherein, microphone body is used to incite somebody to action
Sound switchs to electric signal, and interference tube is used to be acquired the audio of specific direction, and reduces the income of surrounding enviroment noise.
Specifically, be provided with multiple interference sound holes on the circumferential surface of interference tube, multiple interference sound holes along interference tube extending direction successively
Interval setting is provided with damping paper corresponding with interference sound hole in interference tube, and one end of interference tube is set in microphone sheet
On body, the other end of interference tube is provided with positive sound hole.In addition, angle-regulation structure include the first connecting seat set gradually,
Connector and the second connecting seat；First connecting seat is connect with microphone body, and the second connecting seat is connect with headset plug,
It is respectively equipped with first through hole, the second through-hole and third through-hole in a connecting seat, connector and the second connecting seat, first through hole,
Second through-hole and third through-hole sequentially turn on, and for being passed through for the conducting wire of connection microphone body and headset plug.And even
The first connecting portion and second connecting portion at the both ends of fitting are connect with the first connecting seat and the second connecting seat respectively, meanwhile, first
Interconnecting piece has the rotary state rotated relative to the first connecting seat and relative to the fixed locking state of the first connecting seat；The
Two interconnecting pieces have the rotary state rotated relative to the second connecting seat and relative to the fixed locking states of the second connecting seat.By
This, is when first connecting portion and second connecting portion are respectively relative to the first connecting seat and the second connecting seat is in rotary state,
The audio of microphone body and interference tube can be taken in be directed toward and be adjusted, it should be noted that during adjustment, needed
The directional microphone is fixed close to one end of headset plug, and when needing to be adjusted, it is required that first
Interconnecting piece and second connecting portion are respectively relative to the first connecting seat and the second connecting seat and are in rotary state respectively or simultaneously, from
And radio reception direction can be adjusted by angle-regulation structure, and after adjustment is completed, to prevent radio reception to be directed toward hair
Raw offset, it is required that first connecting portion and second connecting portion are respectively relative to the first connecting seat and the second connecting seat while being in
Locking state.
In a kind of embodiment of the utility model：
The junction of first connecting portion and the first connecting seat is provided with rotary damping, so that first connecting portion is in external force
Under the action of can be rotated relative to the first connecting seat；
The junction of second connecting portion and the second connecting seat is provided with rotary damping, so that second connecting portion is in external force
Under the action of can be rotated relative to the second connecting seat.
In a kind of embodiment of the utility model：
The junction of first connecting portion and the first connecting seat is provided with the first fixing sleeve, the first fixing sleeve is connect with first
Seat screw-thread fit, so that the first fixing sleeve can rotate under the effect of external force relative to the first connecting seat, and along the first connection
The axis movement of seat；When the first fixing sleeve moved under the effect of external force along the axis of the first connecting seat and with first connecting portion card
When conjunction, first connecting portion is in locking state；When axis of first fixing sleeve under the effect of external force along the first connecting seat moves
And when with first connecting portion interval, first connecting portion is in rotary state；
The junction of second connecting portion and the second connecting seat is provided with the second fixing sleeve, the second fixing sleeve is connect with second
Seat screw-thread fit, so that the second fixing sleeve can rotate under the effect of external force relative to the second connecting seat, and along the second connection
The axis movement of seat；When the second fixing sleeve moved under the effect of external force along the axis of the second connecting seat and with second connecting portion card
When conjunction, second connecting portion is in locking state；When axis of second fixing sleeve under the effect of external force along the second connecting seat moves
And when with second connecting portion interval, second connecting portion is in rotary state.
In a kind of embodiment of the utility model：
First connecting portion and the mating surface of the first connecting seat are arcwall face；
Second connecting portion and the mating surface of the second connecting seat are arcwall face.
In a kind of embodiment of the utility model：
Angle-regulation structure further includes the teleflex for conducting wire, and teleflex stretches into first through hole, second logical successively
In hole and third through-hole.
In a kind of embodiment of the utility model：
Interference sound hole is rectangular opening.
In a kind of embodiment of the utility model：
Multiple interference sound holes are arranged relative to the axisymmetrical of interference tube.
In a kind of embodiment of the utility model：
Headset plug is 3.5mm headphone plug.
In a kind of embodiment of the utility model：
First connecting seat and microphone body are detachably connected.
The technical solution of the utility model at least has the advantages that：
Directional microphone provided by the utility model is simple in structure, easy to use, can be during use to specific
The audio collection in direction has good effect, and can effectively reduce the income of surrounding enviroment noise.In addition, the direction
Microphone can during use be adjusted direction, and it is simple and convenient to adjust process.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of directional microphone in the utility model embodiment；
Fig. 2 is the decomposition diagram of directional microphone in the utility model embodiment；
Fig. 3 is the decomposition diagram of angle-regulation structure in the utility model embodiment；
Fig. 4 is the structural schematic diagram of angle-regulation structure in the utility model embodiment.
Icon：200- directional microphones；210- microphone bodies；220- interference tubes；221- interferes sound hole；222- forward direction sounds
Hole；230- angle-regulation structures；The first connecting seats of 231-；240- connectors；The second connecting seats of 232-；250- headset plugs；
2311- first through hole；The second through-holes of 241-；2321- third through-holes；242- first connecting portions；243- second connecting portions；261-
One fixing sleeve；The second fixing sleeves of 262-；234- teleflexs.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model embodiment, it should be noted that the orientation of the instructions such as term "inner", "lower" or
Position relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the side usually put
Position or position relationship, are merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device
Or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise,
Term " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can be directly connected, can also can be indirectly connected through an intermediary two elements
Internal connection.For the ordinary skill in the art, above-mentioned term can be understood in the utility model with concrete condition
In concrete meaning.
Embodiment
Referring to FIG. 1, Fig. 1 shows the concrete structure of the directional microphone 200 provided in embodiment.
From figure 1 it appears that the directional microphone 200 includes microphone body 210, interference tube 220 and angle adjustment
Structure 230.
Fig. 1 is please referred to, multiple interference sound holes 221 are provided on the circumferential surface of interference tube 220, multiple interference sound holes 221 are along dry
The extending direction for relating to pipe 220 is spaced setting successively, and damping paper corresponding with interference sound hole 221 is provided in interference tube 220；
One end of interference tube 220 is set in microphone body 210, and the other end of interference tube 220 is provided with positive sound hole 222.
Fig. 2, Fig. 3 and Fig. 4 are please referred to, angle-regulation structure 230 includes the first connecting seat 231, the connector set gradually
240 and second connecting seat 232；First connecting seat 231 is connect with microphone body 210, the second connecting seat 232 and headset plug
250 connections, first through hole 2311, second is respectively equipped in the first connecting seat 231, connector 240 and the second connecting seat 232
Through-hole 241 and third through-hole 2321, first through hole 2311, the second through-hole 241 and third through-hole 2321 sequentially turn on, and for supplying
The conducting wire of connection microphone body 210 and headset plug 250 passes through；The both ends of connector 240 are respectively arranged with first connecting portion
242 and second connecting portion 243, first connecting portion 242 with the first connecting seat 231 for connect, and second connecting portion 243 is for the
Two connecting seats 232 connect.
First connecting portion 242 has the rotary state rotated relative to the first connecting seat 231 and relative to the first connecting seat
231 fixed locking states；Second connecting portion 243 have the rotary state rotated relative to the second connecting seat 232 and relative to
Second connecting seat, 232 fixed locking state.
The directional microphone 200 includes microphone body 210, interference tube 220 and angle-regulation structure 230.Wherein, Mike
Wind ontology 210 is used to sound switching to electric signal, and interference tube 220 is used to be acquired the audio of specific direction, and reduces
The income of surrounding enviroment noise.Specifically, being provided with multiple interference sound holes 221, multiple interference sounds on the circumferential surface of interference tube 220
Hole 221 is spaced setting successively along the extending direction of interference tube 220, is provided in interference tube 220 corresponding with interference sound hole 221
Damping paper, one end of interference tube 220 is set in microphone body 210, and the other end of interference tube 220 is provided with positive sound hole
222.In addition, angle-regulation structure 230 includes the first connecting seat 231, connector 240 and the second connecting seat set gradually
232；First connecting seat 231 is connect with microphone body 210, and the second connecting seat 232 is connect with headset plug 250, is connected first
It is logical that first through hole 2311, the second through-hole 241 and third are respectively equipped in joint chair 231, connector 240 and the second connecting seat 232
Hole 2321, first through hole 2311, the second through-hole 241 and third through-hole 2321 sequentially turn on, and for for connecting microphone body
210 and the conducting wire of headset plug 250 pass through.And the first connecting portion 242 and second connecting portion 243 at the both ends of connector 240
It is connect respectively with the first connecting seat 231 and the second connecting seat 232, meanwhile, first connecting portion 242 has relative to the first connecting seat
231 rotation rotary states and relative to 231 fixed locking state of the first connecting seat；Second connecting portion 243 has relatively
In the rotary state of the second connecting seat 232 rotation and relative to 232 fixed locking state of the second connecting seat.As a result, when the
One interconnecting piece 242 and second connecting portion 243 are respectively relative to the first connecting seat 231 and the second connecting seat 232 is in rotary state
When, direction can be taken in the audio of microphone body 210 and interference tube 220 and be adjusted, it should be noted that in adjustment
In the process, it needs the directional microphone 200 being fixed close to one end of headset plug 250, and is needing to be adjusted
When, it is required that first connecting portion 242 and second connecting portion 243 are respectively relative to the first connecting seat 231 and the second connecting seat 232
It is in rotary state respectively or simultaneously, to be adjusted to radio reception direction by angle-regulation structure 230, and
After adjustment is completed, to prevent radio reception direction from shifting, it is required that first connecting portion 242 and second connecting portion 243 are distinguished
It is in locking state simultaneously relative to the first connecting seat 231 and the second connecting seat 232.
In the present embodiment, the junction of first connecting portion 242 and the first connecting seat 231 is provided with the first fixing sleeve
261,231 screw-thread fit of the first fixing sleeve 261 and the first connecting seat, so that the first fixing sleeve 261 under the effect of external force may be used
It rotates relative to the first connecting seat 231, and is moved along the axis of the first connecting seat 231；When the first fixing sleeve 261 is in the work of external force
Mobile with the axis of the first connecting seat of lower edge 231 and when engage with first connecting portion 242, first connecting portion 242, which is in, locks shape
State；When the first fixing sleeve 261 moves under the effect of external force along the axis of the first connecting seat 231 and between first connecting portion 242
Every when, first connecting portion 242 is in rotary state.Likewise, in the junction of second connecting portion 243 and the second connecting seat 232
It is provided with the second fixing sleeve 262,232 screw-thread fit of the second fixing sleeve 262 and the second connecting seat, so that the second fixing sleeve 262
It can rotate relative to the second connecting seat 232, and be moved along the axis of the second connecting seat 232 under the effect of external force；When second solid
Surely when set 262 moves along the axis of the second connecting seat 232 and engages with second connecting portion 243 under the effect of external force, second connects
Socket part 243 is in locking state；When axis of second fixing sleeve 262 under the effect of external force along the second connecting seat 232 moves simultaneously
When being spaced with second connecting portion 243, second connecting portion 243 is in rotary state.
Further, in the present embodiment, first connecting portion 242 and the mating surface of the first connecting seat 231 are arcwall face；The
The mating surface of two interconnecting pieces 243 and the second connecting seat 232 is arcwall face.
In addition, angle-regulation structure 230 further includes the teleflex 234 for conducting wire, teleflex 234 stretches into successively
It, can be at the angle by being arranged conducting wire in teleflex 234 in one through-hole 2311, the second through-hole 241 and third through-hole 2321
During degree adjustment structure 230 is movable, play the role of protecting conducting wire.
Further, to play better direction action, in the present embodiment, interference sound hole 221 is rectangular opening.And it is more
A interference sound hole 221 is arranged relative to the axisymmetrical of interference tube 220.
Outside it, the headset plug 250 of the directional microphone 200 is 3.5mm headphone plug 250.First connecting seat 231 and wheat
Gram wind ontology 210 is detachably connected.
It, can also be in the other embodiment of the utility model in addition, different from the above-mentioned setting mode of fixing sleeve
The junction of first connecting portion 242 and the first connecting seat 231 is provided with rotary damping, so that first connecting portion 242 is in external force
Under the action of can be rotated relative to the first connecting seat 231；It is arranged in the junction of second connecting portion 243 and the second connecting seat 232
There is rotary damping, so that second connecting portion 243 can rotate under the effect of external force relative to the second connecting seat 232.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of directional microphone, which is characterized in that including：
Microphone body；
Interference tube is provided with multiple interference sound holes on the circumferential surface of the interference tube, and multiple interference sound holes are along the interference tube
Extending direction be spaced setting successively, damping paper corresponding with the interference sound hole is provided in the interference tube；It is described
One end of interference tube is set in the microphone body, and the other end of the interference tube is provided with positive sound hole；
Angle-regulation structure, the angle-regulation structure include the first connecting seat set gradually, connector and the second connection
Seat；First connecting seat is connect with the microphone body, and second connecting seat is connect with headset plug, described first
First through hole, the second through-hole and third through-hole are respectively equipped in connecting seat, the connector and second connecting seat, it is described
First through hole, second through-hole and the third through-hole sequentially turn on, and for for connecting the microphone body and described
The conducting wire of headset plug passes through；The both ends of the connector are respectively arranged with first connecting portion and second connecting portion, and described first
Interconnecting piece with first connecting seat for connecting, and the second connecting portion with second connecting seat for connecting；
The first connecting portion has the rotary state rotated relative to first connecting seat and relative to first connection
The fixed locking state of seat；The second connecting portion have the rotary state rotated relative to second connecting seat and relative to
The fixed locking state of second connecting seat.
2. directional microphone according to claim 1, it is characterised in that：
The junction of the first connecting portion and first connecting seat is provided with rotary damping, so that first connection
Portion can rotate under the effect of external force relative to first connecting seat；
The junction of the second connecting portion and second connecting seat is provided with rotary damping, so that second connection
Portion can rotate under the effect of external force relative to second connecting seat.
3. directional microphone according to claim 1, it is characterised in that：
The junction of the first connecting portion and first connecting seat is provided with the first fixing sleeve, first fixing sleeve with
The first connecting seat screw-thread fit, so that first fixing sleeve under the effect of external force can be relative to first connection
Seat rotation, and moved along the axis of first connecting seat；When first fixing sleeve is under the effect of external force along described first
The axis of connecting seat is mobile and when engaging with the first connecting portion, the first connecting portion is in locking state；When described
One fixing sleeve moves along the axis of first connecting seat and under the effect of external force when with the first connecting portion interval, described
First connecting portion is in rotary state；
The junction of the second connecting portion and second connecting seat is provided with the second fixing sleeve, second fixing sleeve with
The second connecting seat screw-thread fit, so that second fixing sleeve under the effect of external force can be relative to second connection
Seat rotation, and moved along the axis of second connecting seat；When second fixing sleeve is under the effect of external force along described second
The axis of connecting seat is mobile and when engaging with the second connecting portion, the second connecting portion is in locking state；When described
Two fixing sleeves move along the axis of second connecting seat and under the effect of external force when with the second connecting portion intervals, described
Second connecting portion is in rotary state.
4. directional microphone according to claim 3, it is characterised in that：
The first connecting portion and the mating surface of first connecting seat are arcwall face；
The second connecting portion and the mating surface of second connecting seat are arcwall face.
5. directional microphone according to claim 1, it is characterised in that：
The angle-regulation structure further includes the teleflex for conducting wire, and it is logical that the teleflex stretches into described first successively
In hole, second through-hole and the third through-hole.
6. directional microphone according to claim 1, it is characterised in that：
The interference sound hole is rectangular opening.
7. directional microphone according to claim 1, it is characterised in that：
Multiple interference sound holes are arranged relative to the axisymmetrical of the interference tube.
8. directional microphone according to claim 1, it is characterised in that：
The headset plug is 3.5mm headphone plug.
9. directional microphone according to claim 1, it is characterised in that：
First connecting seat and the microphone body are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820607767.4U CN208046839U (en) | 2018-04-26 | 2018-04-26 | A kind of directional microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820607767.4U CN208046839U (en) | 2018-04-26 | 2018-04-26 | A kind of directional microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208046839U true CN208046839U (en) | 2018-11-02 |
Family
ID=63928328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820607767.4U Active CN208046839U (en) | 2018-04-26 | 2018-04-26 | A kind of directional microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208046839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111432053A (en) * | 2020-03-27 | 2020-07-17 | 歌尔微电子有限公司 | Mobile terminal capable of realizing remote pickup |
-
2018
- 2018-04-26 CN CN201820607767.4U patent/CN208046839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111432053A (en) * | 2020-03-27 | 2020-07-17 | 歌尔微电子有限公司 | Mobile terminal capable of realizing remote pickup |
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