CN108933987A - A kind of deformable microphone array bracket - Google Patents
A kind of deformable microphone array bracket Download PDFInfo
- Publication number
- CN108933987A CN108933987A CN201810684452.4A CN201810684452A CN108933987A CN 108933987 A CN108933987 A CN 108933987A CN 201810684452 A CN201810684452 A CN 201810684452A CN 108933987 A CN108933987 A CN 108933987A
- Authority
- CN
- China
- Prior art keywords
- bracket
- microphone
- deformable
- microphone array
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings
Abstract
The present invention relates to a kind of deformable microphone array brackets, the bracket includes horizontally disposed discoidal pedestal, the support rod being vertically arranged at base center, the horizontally disposed and connecting rod being connect by connector position adjustable with support rod and the microphone arm that connecting rod one end is arranged in, and fixes microphone array on the microphone arm.Compared with prior art, the present invention have adjustable angle, length is adjustable, scanning mode is variable, simple operation and other advantages.
Description
Technical field
The present invention relates to acoustic measurement fields, more particularly, to a kind of deformable microphone array bracket.
Background technique
In acoustics experiment and acoustical testing, it is often used microphone array and carries out acoustical testing.Microphone array is a kind of
It is made of several microphones, the acoustic measurement device being arranged according to specific distance, angle near measurand.Such as
When carrying out Noise Sources Identification experiment, the arrangement experiment measuring point around identification object is needed, is listed in measurement using microphone array
It is scanned on face (measuring surface is not necessarily regular shape) to obtain the experimental data in a face.Existing microphone array bracket one
As be required to be customized according to actual measurement object, the most commonly used is the microphone arrays of fixed linear shape, and into
The regulatory function of the scanning directions such as upper and lower, left and right and rotation is not had when row sweep test.When carrying out large space test,
When being scanned test using microphone array, there are the length of microphone array to change, microphone array shape once
Cannot be adjusted according to actual measurement face shape after fixation makes the problems such as it is close to measuring surface, experimental cost.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of deformable microphones
Array bracket.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of deformable microphone array bracket, the bracket include horizontally disposed discoidal pedestal, are vertically arranged in
Support rod, connecting rod and setting horizontally disposed and connect with support rod by connector position adjustable at base center exist
The microphone arm of connecting rod one end fixes microphone array on the microphone arm.
The connector includes that the fastener and connector main body that form vertical holes are mutually fastened by screw, the company
The horizontal through hole to pass through connecting rod and the locking nut to lock connecting rod are additionally provided in fitting main body.
The surface of the connecting rod and support rod is respectively marked with scale, and the bottom end of support rod is fixed on bottom by sleeve
On seat.
The connecting rod surface is equipped with anti-skid chequer, and the through-hole wall is equipped with nonskid coating.
The microphone arm includes one and intermediate main joint bracket is arranged in and is symmetricly set on main joint branch
Multiple secondary joint brackets at frame both ends, the main joint bracket are connect by array holder with connecting rod one end.
The both side surface of the main joint bracket is equipped with two array holder positioning to cooperate array holder to fasten
Slot, the array holder are fastened by bolt.
The main joint bracket both ends are equipped with the otic placode to auxiliary connection joint bracket and band connection hole, the pair
Joint bracket one end is equipped with the groove cooperated with otic placode, and the other end is equipped with the otic placode in band connection hole, and the otic placode and groove are logical
It crosses and is bolted and adjusts angle.
The microphone location hole to connect microphone is equipped on the main joint bracket and secondary joint bracket.
The equal length of the main joint bracket and secondary joint bracket.
Compared with prior art, the invention has the following advantages that
One, the angle of microphone array bracket is adjustable: being sequentially adjusted in adjacent two according to the shape of actual measuring surface
The curved angle of joint makes microphone arm be bonded measuring surface shape；
Two, the length of microphone array bracket is adjustable: the number of suitable microphone is selected according to actual acoustic measurement
Mesh, microphone are mounted on major and minor joint bracket, and secondary joint bracket is bolted in main joint bracket both ends, so only needing
Select suitable number of major and minor joint bracket, i.e., changeable microphone array stent length；
Three, the scanning mode of microphone array bracket is variable: after microphone array shape is fixed, passing through connector upper fastener
Elastic adjusting microphone array bracket can be driven to translate in vertical direction so that connector is mobile in support rod vertical direction；
By the locking nut on adjusting connector, so that connecting rod, which moves in the horizontal direction, (adjusts microphone array relative to measurement
The distance in face), through-hole rotation of the connecting rod on connector can also drive microphone array to rotate with angle；
Four, microphone array bracket is easy to operate, easy to disassemble and assembling, easy to carry.
Detailed description of the invention
Fig. 1 is the overall structure axonometric schematic diagram of microphone array bracket.
Fig. 2 is the pedestal connection support bar schematic diagram of microphone array bracket.
Fig. 3 is the connector schematic diagram of microphone array bracket.
Fig. 4 is the connector connection support bar and connecting rod partial enlargement diagram of microphone array bracket.
Fig. 5 is that the connecting rod of microphone array bracket connects main joint support schematic diagram.
Fig. 6 is the array bracket schematic diagram of microphone array bracket.
Fig. 7 is the main joint support schematic diagram of microphone array bracket.
Fig. 8 is the secondary joint support schematic diagram of microphone array bracket.
Figure label explanation:
1, pedestal, 2, support rod, 3, connector, 4, connecting rod, 5, array holder, 6, secondary joint bracket, 7, main joint branch
Frame, 8, bolt, 9, screw, 10, fastener, 11, locking nut, 12, microphone arm, 13, microphone location hole, 14, sleeve,
15, array holder locating slot, 16, through-hole.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in Figure 1, the present invention provides a kind of deformable microphone array bracket, comprising: pedestal 1 (having sleeve),
Support rod 2, connector 3, connecting rod 4, array holder 5, microphone arm 12, microphone location hole 13, (the surface band of support rod 2
Textured and scale) it is mounted on pedestal 1 by the sleeve on pedestal 1；3 connection support bar 2 of connector and 4 (surface of connecting rod
With scale), connector 3 and support rod 2 and 4 contact portion of connecting rod all have enhancing frictional force coating；Connecting rod 4 and battle array
Column fixture 5 links together；Microphone arm 12 forms (adjacent two by a main joint bracket 7 and several secondary joint brackets 6
Joint bracket junction is all with textured), the length and angle of microphone arm 12 can be adjusted accordingly according to actual needs
It is whole；Microphone is fixed on microphone arm 12 by microphone location hole 13.
As shown in Fig. 2, support rod 2 is mounted on pedestal 1 by the sleeve 14 on pedestal 1, fastener 10 is mounted on by screw 9
On support rod 2, the inner surface wall of fastener 10 is for enhancing and rubs with enhancing frictional force figure layer, 2 surface band of support rod are textured
Wipe (guarantee that microphone arm 12 does not change after vertical position is fixed), screw 9 it is elastic so that connector 3
It is moved up and down in support rod 2, connecting rod 4 is driven to move together, so that the microphone array bracket 12 being connected with connecting rod 4 is perpendicular
Histogram can show translation size to translation according to the scale on support rod 2.
As shown in Figures 3 and 4, fastener 10 is mounted on support rod 2 by screw 9, and connecting rod 4 is mounted on logical on connector 3
In hole 16,16 inner wall of through-hole is for enhancing friction and (guarantees to connect with enhancing friction coatings, 4 surface band of connecting rod are textured
No longer change after 4 angle of extension bar is fixed), pass through the back-and-forth motion and rotation of the elastic adjustable connecting rod 4 of locking nut 11
Turn, the back-and-forth motion of connecting rod 4 drives connected microphone array bracket 12 to be displaced in the horizontal direction to change array bracket 12
Relative to the distance of measuring surface, the horizontal displacement distance of microphone arm 12 can be shown according to the scale in connecting rod 4；Connecting rod
4 rotation of through-hole 16 on connector 3 drives connected microphone arm 12 with the rotation of angle.
As shown in figure 5, main 7 upper and lower surface of joint bracket respectively has 2 array holder locating slots 15, it will by 4 bolts 8
Main joint bracket 7 is connected with the array holder 5 in connecting rod 4, main joint bracket 7 and 4 synchronous translational of connecting rod or rotation.
As shown in figs 6-8, as main joint bracket 7 with the length of secondary joint bracket is, microphone passes through microphone
Location hole 13 is fixed on major and minor joint bracket, and the distance between two adjacent microphone location holes 13 are equal, transaudient
Device location hole 13 is located at the center of major and minor joint bracket, and the diameter in 13 aperture of microphone location hole is consistent with microphone diameter,
And 13 inner wall belt of microphone location hole is textured；It is connected between main joint bracket 7 and secondary joint bracket 6 by bolt 8, main joint
Bracket 7 and secondary 6 phase-contact surface of skeleton bracket are with textured；Elastic by bolt 8 can make two neighboring joint bracket
Certain angle is generated, the angle by being sequentially adjusted in adjacent stent may make microphone arm 12 to convert different shapes, with
It is bonded the shape of measuring surface；The texture of major and minor joint bracket contact surface and bolt it is elastic, be for increasing joint face it
Between friction, to guarantee that the adjustment of adjacent joint support angle can guarantee that angle is constant between adjacent stent；Deformable array bracket
It is connected with several secondary joint brackets 6 by bolt 8 by a main joint bracket 7, this can be directed to specific Preparatory work of experiment
(anamorphic array bracket only needs a main joint bracket to different number of joint bracket, and microphone number is equal to joint bracket number
Mesh).
As described above, particular exemplary embodiments of the invention are described in detail referring to attached drawing.It should
Solution, the application, which is not intended to, makes these details constitute limiting the scope of the invention.Without departing substantially from according to this hair
In the case where bright spirit and scope, can the structure and features to particular exemplary embodiments carry out equivalent or similar change,
These changes will also be fallen in protection scope determined by claims appended hereto.
Claims (9)
1. a kind of deformable microphone array bracket, which is characterized in that the bracket includes horizontally disposed discoidal pedestal
(1), it is vertically arranged in the support rod (2) at pedestal (1) center, is horizontally disposed with and is adjustable by connector (3) with support rod (2)
Microphone arm (12) of the connecting rod (4) and setting of position connection in connecting rod (4) one end, the microphone arm
(12) microphone array is fixed on.
2. a kind of deformable microphone array bracket according to claim 1, which is characterized in that the connector (3)
The fastener (10) and connector main body of vertical holes are formed including mutually fastening by screw (9), are gone back on the connector main body
Equipped with the horizontal through hole (16) and the locking nut to lock connecting rod (4) (11) to pass through connecting rod (4).
3. a kind of deformable microphone array bracket according to claim 1, which is characterized in that the connecting rod (4)
It is respectively marked with scale with the surface of support rod (2), and the bottom end of support rod (2) is fixed on pedestal (1) by sleeve (14).
4. a kind of deformable microphone array bracket according to claim 2, which is characterized in that the connecting rod (4)
Surface is equipped with anti-skid chequer, and the through-hole (16) inner wall is equipped with nonskid coating.
5. a kind of deformable microphone array bracket according to claim 1, which is characterized in that the microphone arm
It (12) include the main joint bracket (7) that centre is set and the multiple pairs for being symmetricly set on main joint bracket (7) both ends
Joint bracket (6), the main joint bracket (7) are connect by array holder (5) with connecting rod (4) one end.
6. a kind of deformable microphone array bracket according to claim 5, which is characterized in that the main joint bracket
(7) both side surface is equipped with two array holder locating slots (15) to cooperate array holder (5) to fasten, the array folder
Tool is fastened by bolt (8).
7. a kind of deformable microphone array bracket according to claim 5, which is characterized in that the main joint bracket
(7) both ends are equipped with the otic placode to auxiliary connection joint bracket (6) and band connection hole, and described secondary joint bracket (6) one end is set
There is the groove with otic placode cooperation, the other end is equipped with the otic placode in band connection hole, and the otic placode and groove are bolted and adjust
Save angle.
8. a kind of deformable microphone array bracket according to claim 5, which is characterized in that the main joint bracket
(7) and on secondary joint bracket (6) it is equipped with the microphone location hole (13) to connect microphone.
9. a kind of deformable microphone array bracket according to claim 5, which is characterized in that the main joint bracket
(7) and the equal length of secondary joint bracket (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810684452.4A CN108933987A (en) | 2018-06-28 | 2018-06-28 | A kind of deformable microphone array bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810684452.4A CN108933987A (en) | 2018-06-28 | 2018-06-28 | A kind of deformable microphone array bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108933987A true CN108933987A (en) | 2018-12-04 |
Family
ID=64446322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810684452.4A Pending CN108933987A (en) | 2018-06-28 | 2018-06-28 | A kind of deformable microphone array bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108933987A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974846A (en) * | 2019-03-20 | 2019-07-05 | 上海交通大学 | The variable rotation acoustic measurement device of array |
| CN110411557A (en) * | 2019-07-23 | 2019-11-05 | 河北师范大学 | A kind of microphone array frame body measuring electric automobile motor system noise |
| CN111123505A (en) * | 2020-01-20 | 2020-05-08 | 武汉中岩科技股份有限公司 | Pipeline periscope platform capable of adjusting posture in multiple dimensions |
| CN112179483A (en) * | 2020-09-28 | 2021-01-05 | 上海工程技术大学 | Microphone array with scalable aperture |
| CN112373723A (en) * | 2020-11-20 | 2021-02-19 | 中国直升机设计研究所 | Rotor noise microphone array |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090060845A (en) * | 2007-12-10 | 2009-06-15 | 한국항공우주연구원 | 3-d microphone array structure |
| CN101644626A (en) * | 2009-09-09 | 2010-02-10 | 奇瑞汽车股份有限公司 | Array bracket |
| CN204420492U (en) * | 2015-01-15 | 2015-06-24 | 襄阳达安汽车检测中心 | A kind of mounting bracket for automobile noise identifing source microphone array |
| CN105276341A (en) * | 2015-11-20 | 2016-01-27 | 湖南大学 | Automobile multifunctional microphone installation support |
-
2018
- 2018-06-28 CN CN201810684452.4A patent/CN108933987A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090060845A (en) * | 2007-12-10 | 2009-06-15 | 한국항공우주연구원 | 3-d microphone array structure |
| CN101644626A (en) * | 2009-09-09 | 2010-02-10 | 奇瑞汽车股份有限公司 | Array bracket |
| CN204420492U (en) * | 2015-01-15 | 2015-06-24 | 襄阳达安汽车检测中心 | A kind of mounting bracket for automobile noise identifing source microphone array |
| CN105276341A (en) * | 2015-11-20 | 2016-01-27 | 湖南大学 | Automobile multifunctional microphone installation support |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974846A (en) * | 2019-03-20 | 2019-07-05 | 上海交通大学 | The variable rotation acoustic measurement device of array |
| CN109974846B (en) * | 2019-03-20 | 2019-12-10 | 上海交通大学 | array-variable rotary acoustic measuring device |
| CN110411557A (en) * | 2019-07-23 | 2019-11-05 | 河北师范大学 | A kind of microphone array frame body measuring electric automobile motor system noise |
| CN113074809A (en) * | 2019-07-23 | 2021-07-06 | 河北师范大学 | Microphone array frame for measuring noise of electric vehicle motor system |
| CN113074809B (en) * | 2019-07-23 | 2023-01-24 | 河北师范大学 | Microphone array frame for measuring noise of electric vehicle motor system |
| CN111123505A (en) * | 2020-01-20 | 2020-05-08 | 武汉中岩科技股份有限公司 | Pipeline periscope platform capable of adjusting posture in multiple dimensions |
| CN112179483A (en) * | 2020-09-28 | 2021-01-05 | 上海工程技术大学 | Microphone array with scalable aperture |
| CN112179483B (en) * | 2020-09-28 | 2022-07-05 | 上海工程技术大学 | Microphone array with scalable aperture |
| CN112373723A (en) * | 2020-11-20 | 2021-02-19 | 中国直升机设计研究所 | Rotor noise microphone array |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181204 |
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| RJ01 | Rejection of invention patent application after publication |