CN208540095U - A kind of microphone array - Google Patents
A kind of microphone array Download PDFInfo
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- CN208540095U CN208540095U CN201820880262.5U CN201820880262U CN208540095U CN 208540095 U CN208540095 U CN 208540095U CN 201820880262 U CN201820880262 U CN 201820880262U CN 208540095 U CN208540095 U CN 208540095U
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- microphone
- thermal insulation
- insulation board
- center
- shell
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- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
The utility model provides a kind of microphone array, belong to microphone field, including mounting rod, shading thermal insulation board and shell, the cage connection is in the bottom surface of the shading thermal insulation board, the mounting rod is connected to the top surface of the shading thermal insulation board, and annular array is provided with multiple microphone units on the shell, and the shell is provided centrally with center microphone, the center microphone and multiple microphone units are in Different Plane, and the outside of the center microphone is provided with center housing.Its is vertebration, and waterproof and heat-insulating is good, and globality is strong；It is provided with multiple microphone units and independent center microphone, and so that it is quieted down sound source, effect is good, and monitoring range is big；It has installation rod structure, makes its mounting means freedom and flexibility.
Description
Technical field
The utility model relates to microphone fields, in particular to a kind of microphone array.
Background technique
General microphone array array structure is simple, and mostly plane formula arranges, to the orientation source of sound of plane normal direction quiet down effect compared with
It is good.
But these arrays because structure defect, can only localization of sound source plane coordinates orientation, be unable to bowing for localization of sound source
The elevation angle.In addition general array is mostly that MEMS of the same race (also named by Micro-Electro-Mechanical System, MEMS
Microelectromechanical systems, micro-system, micromechanics etc. are done, refers to size at several millimeters or even smaller high-tech device.) microphone or
Microphone of the same race cannot play the two advantage to greatest extent.
Utility model content
The utility model provides a kind of microphone array, it is intended to solve the existing positioning of microphone array in the prior art
Inaccurate problem.
The utility model embodiment is achieved in that
A kind of microphone array, including mounting rod, shading thermal insulation board and shell, the cage connection are heat-insulated in the shading
The bottom surface of plate, the mounting rod are connected to the top surface of the shading thermal insulation board, and annular array is provided with multiple wheats on the shell
Gram wind unit, the shell are provided centrally with center microphone, at the center microphone and multiple microphone units
The outside of Different Plane, the center microphone is provided with center housing.
In some preferred embodiments of the utility model, the shell is rounded, and shell is in back taper, makes its center
Height be lower than its edge height.
In some preferred embodiments of the utility model, the center microphone is set to the outside of the shell.
In some preferred embodiments of the utility model, the center housing is hemispherical, along its warp on center housing
Line direction is provided with the aperture of multiple strips.
In some preferred embodiments of the utility model, the shading thermal insulation board is in cone, the shading thermal insulation board
Diameter be greater than the shell diameter.
In some preferred embodiments of the utility model, the inner surface of the shading thermal insulation board is provided with cellular chamber
Body structure.
In some preferred embodiments of the utility model, the microphone unit is provided with 6-8.
In some preferred embodiments of the utility model, the mounting rod is connected to the center of the shading thermal insulation board,
And the shading thermal insulation board can be rotated relative to the mounting rod.
In some preferred embodiments of the utility model, the outside of the shading thermal insulation board is provided with connector sleeve, described
The glomerate connector of end shape of mounting rod, the connector access the connector sleeve, are provided with and hold out against on the connector sleeve
Bolt.
In some preferred embodiments of the utility model, the microphone unit is obliquely installed in the shell
Wall.
The beneficial effects of the utility model are: the microphone array that the utility model obtains by above-mentioned design, structure
Tightly, waterproof and heat-insulating is good, and globality is strong；It is provided with multiple microphone units and independent center microphone, makes it to sound source
The effect that quiets down is good, and monitoring range is big；It has installation rod structure, makes its mounting means freedom and flexibility.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is the schematic perspective view for the microphone array that the utility model embodiment provides；
Fig. 2 is the present invention looks up structural representation of shell in the microphone array of the utility model embodiment offer；
Fig. 3 is the present invention looks up structural representation of the center housing for the microphone array that the utility model embodiment provides；
Fig. 4 is the overlooking structure diagram of shading thermal insulation board in the microphone array of the utility model embodiment offer.
Icon: mounting rod 101, shading thermal insulation board 102, shell 103, center housing 104, microphone unit 105, center wheat
Gram wind 106, aperture 107, connector sleeve 108, puller bolt 109.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
Embodiment.
Present embodiments provide a kind of microphone array.Its is vertebration, and waterproof and heat-insulating is good, and globality is strong；It is provided with
Multiple microphone units 105 and independent center microphone 106, so that it is quieted down sound source, effect is good, and monitoring range is big；It has
101 structure of mounting rod makes its mounting means freedom and flexibility.
Referring to Fig. 1, this microphone array includes mounting rod 101, shading thermal insulation board 102 and shell 103, the shell
103 are connected to the bottom surface of the shading thermal insulation board 102, and the mounting rod 101 is connected to the top surface of the shading thermal insulation board 102,
Annular array is provided with multiple microphone units 105 on the shell 103, and the shell 103 is provided centrally with center Mike
Wind 106, the center microphone 106 are in Different Plane, the center microphone 106 with multiple microphone units 105
Outside be provided with center housing 104.
As shown in Figures 1 and 2, the shell 103 is rounded, and shell 103 is in back taper, is lower than the height at its center
The height at its edge.
As shown in Fig. 2, the center microphone 106 is set to the outside of the shell 103.
It is provided with as shown in figure 3, the center housing 104 is hemispherical, on center housing 104 along its warp direction multiple
The aperture 107 of strip.
As shown in figure 4, the shading thermal insulation board 102, in cone, the diameter of the shading thermal insulation board 102 is greater than described outer
The diameter of shell 103.The inner surface of the shading thermal insulation board 102 is provided with cellular cavity body structure.
As shown in Fig. 2, the microphone unit 105 is provided with 6-8.
As shown in Fig. 1 and Fig. 4, the mounting rod 101 is connected to the center of the shading thermal insulation board 102, and the shading
Thermal insulation board 102 can be rotated relative to the mounting rod 101.
As shown in figure 4, the outside of the shading thermal insulation board 102 is provided with connector sleeve 108, the end of the mounting rod 101
The glomerate connector of shape, the connector access the connector sleeve 108, are provided with puller bolt on the connector sleeve 108
109。
The microphone unit 105 is obliquely installed in the inner wall of the shell 103.
Mounting rod 101 is located at the top position of microphone array, and mounting rod 101 is used to install microphone array solid
It is fixed, so that microphone array is mounted on the positions such as roof, electric pole, keeps installation more free.
Shading thermal insulation board 102 is used to shield lights and reduces damage of the sunlight for microphone array, promotes Mike
The service life of wind array.
Multiple microphone units 105 are arranged in the facial annular array of shell 103, the multiple microphone units being arranged by array
105 enable microphone array to be acquired from different positions, different angles to sound source, improve the accurate of sound source acquisition
Degree.
Center microphone 106, center microphone 106 and microphone unit are additionally provided in the outside at the center of shell 103
105 are set in different planes, and center microphone 106 is made to be located at different height from microphone unit 105, in acquisition sound source
During, the detection range of equipment can be expanded, improve the positioning accuracy of equipment.
Shell 103 is an integral structure, and shell 103 is detachably connected to the bottom of shading thermal insulation board 102, microphone list
Member 105 and some other component (signal acquisition process device) are arranged between shell 103 and shading thermal insulation board 102.
Center housing 104 is set as hemispherical, and opens up the aperture 107 of multiple strips in the outside of center housing 104, makes
Aperture 107 can successfully be passed through into 104 inside of center housing and then be acquired by center microphone 106 by obtaining sound, and raising is adopted
Collect accuracy.
Cellular cavity body structure is set in the inside of shading thermal insulation board 102, can effectively be dropped through this structure
Temperature inside low microphone array obstructs the high temperature generated by solar exposure, further protects equipment internal circuit, chip
Deng, raising equipment heatproof limit, extension equipment life.
In the present embodiment, microphone unit 105 is set as 8, and multiple microphone units 105 match, and is more advantageous to number
According to accuracy.
Mounting rod 101 and shading thermal insulation board 102 are set as being rotatably coupled, it in use can be according to reality
The angle of shading thermal insulation board 102 is adjusted in situation, makes microphone array towards Sounnd source direction, make microphone unit 105 with
Center microphone 106 more effectively can be acquired operation to sound source.
It is provided with puller bolt 109 on connector sleeve 108 outside mounting rod 101, by adjusting puller bolt 109, energy
Enough to be completely embedded mounting rod 101 and shading thermal insulation board 102, making microphone array during the work time is not in shake.
Plastics can be used in shading thermal insulation board 102 or high molecular material is made, and make it have the heat-insulated effect of better shading
Fruit, the electronic component for preferably protecting it internal.
Shell 103 and center housing 104 can be used plastics and be made, and make it have higher intensity, and cost is relatively low.
Mounting rod 101 can be made of metal, make it have higher rigidity, can effectively bear various impacts.
In microphone array provided by the utility model:
The mounting rod 101 of microphone array equipment, end mounting means is flexible and changeable, is mountable to wall, roof, electricity
Line bar, monitoring bar.Head end is that screw locking mode is fixed, and adjusts the elastic rotatable disk body of screw, adjusts installation direction.
Shading thermal insulation board 102, inner wall are Multicarity honeycomb, can effectively obstruct the high temperature generated by solar exposure,
Equipment internal circuit, chip etc. are further protected, equipment heatproof limit is improved, extends equipment life.
The shell 103 of annular microphone array with angle, inner wall are tilted towards outer uniform arrangement microphone, multiple Mikes
It will not mutually be blocked between wind unit 105, be conducive to acquisition acoustical signal, the monitoring range of equipment can be expanded, improve equipment positioning accurate
Degree.
106 shells of individual center microphone-center housing 104, it is internal that center microphone 106 is set, with circular array
There are differences in height between the microphone unit 105 of column, further increase the dimension of microphone array, and the pitch angle for improving array is fixed
Position precision.
Microphone array provided by the utility model makes its structure like flying saucer with above structure, very beautiful,
It is easier to open up markets.
Signal acquisition process structure, and microphone unit 105 and signal acquisition process device are provided in microphone array
It is an integral structure, is more advantageous to the acquisition of signal, expand signal acquisition range, improve signal acquisition precision.
Microphone unit 105 uses different forms, the side matched using MEMS with microphone from center microphone 106
Formula is realized, is kept entire microphone array stronger to the sensing capability of sound source, is more advantageous to the acquisition of sound.
Microphone array provided by the utility model has at least the following advantages compared with the mode of the prior art:
1, vertebration, waterproof and heat-insulating is good, and globality is strong；
2, quieting down to sound source, effect is good, and monitoring range is big；
3, mounting means freedom and flexibility.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of microphone array, which is characterized in that including mounting rod, shading thermal insulation board and shell, the cage connection is in institute
The bottom surface of shading thermal insulation board is stated, the mounting rod is connected to the top surface of the shading thermal insulation board, and annular array is set on the shell
Multiple microphone units are equipped with, the shell is provided centrally with center microphone, the center microphone and multiple wheats
Gram wind unit is in Different Plane, and the outside of the center microphone is provided with center housing.
2. microphone array according to claim 1, which is characterized in that the shell is rounded, and shell is in back taper,
The height at its center is set to be lower than the height at its edge.
3. microphone array according to claim 2, which is characterized in that the center microphone is set to the shell
Outside.
4. microphone array according to claim 3, which is characterized in that the center housing is hemispherical, center housing
On the apertures of multiple strips is provided with along its warp direction.
5. microphone array according to claim 1 or 2, which is characterized in that the shading thermal insulation board is described in cone
The diameter of shading thermal insulation board is greater than the diameter of the shell.
6. microphone array according to claim 5, which is characterized in that the inner surface of the shading thermal insulation board is provided with bee
The cavity body structure of nest shape.
7. microphone array according to claim 1, which is characterized in that the microphone unit is provided with 6-8.
8. microphone array according to claim 1, which is characterized in that the mounting rod is connected to the shading thermal insulation board
Center, and the shading thermal insulation board can be rotated relative to the mounting rod.
9. microphone array according to claim 8, which is characterized in that the outside of the shading thermal insulation board is provided with connection
Set, the glomerate connector of end shape of the mounting rod, the connector access the connector sleeve, are arranged on the connector sleeve
There is puller bolt.
10. microphone array according to claim 7, which is characterized in that the microphone unit is obliquely installed in described
The inner wall of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820880262.5U CN208540095U (en) | 2018-06-07 | 2018-06-07 | A kind of microphone array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820880262.5U CN208540095U (en) | 2018-06-07 | 2018-06-07 | A kind of microphone array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208540095U true CN208540095U (en) | 2019-02-22 |
Family
ID=65381450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820880262.5U Active CN208540095U (en) | 2018-06-07 | 2018-06-07 | A kind of microphone array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208540095U (en) |
-
2018
- 2018-06-07 CN CN201820880262.5U patent/CN208540095U/en active Active
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