CN106454681A - Acoustical power testing support - Google Patents
Acoustical power testing support Download PDFInfo
- Publication number
- CN106454681A CN106454681A CN201611119781.1A CN201611119781A CN106454681A CN 106454681 A CN106454681 A CN 106454681A CN 201611119781 A CN201611119781 A CN 201611119781A CN 106454681 A CN106454681 A CN 106454681A
- Authority
- CN
- China
- Prior art keywords
- acoustical power
- support
- swinging mounting
- rotating shaft
- 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
Links
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Disclosed in the invention is an acoustical power testing support comprising a connecting rod, a rotating shaft, a rotating support, and a microphone clamp. The rotating shaft is connected with the connecting rod; the rotating support is connected with the connecting rod by the rotating shaft; and the microphone clamp connected to the rotating support is used for fixing a microphone. Therefore, all microphones are driven to make rotation by support rotation so as to carry out position adjustment during testing while testing is carried out. Moreover, the provided testing support has advantages of simple operation, convenient adjustment, high control precision, wide application range, low cost, and convenient maintenance.
Description
Technical field
A kind of the present invention relates to technical field of acoustics, and more particularly to acoustical power test bracket.
Background technology
In acoustical testing, acoustical power is one of amount of most normal test.But according to GB GB/T 6882 or GB/T 3767
During test acoustical power, it is often necessary to put 10,20, even 40 mikes, if propped up using traditional Mike's pennant
Frame, the locus for debugging mike will take for the plenty of time.
Content of the invention
Present invention seek to address that in prior art, when carrying out acoustical testing in acoustical laboratory, because needing using multiple
Mike is tested from different azimuth and angle to measurand, very inconvenient, the precision when installing to mike and adjust
It is difficult to control to, the technical problem such as cause acoustical testing to be difficult to accurately to carry out.
In order to solve above-mentioned technical problem present in prior art, the present invention provides a kind of acoustical power test bracket, bag
Include：Connecting rod；Rotating shaft, is connected with the connecting rod；Swinging mounting, is connected with the connecting rod by the rotating shaft；Mike
Fixture, is connected on the swinging mounting, for fixing mike.
Further, the rotating shaft is indexing rotating shaft.
Further, the microphone fixture includes：Body；Mike mounting hole site is on the body；Bracket holes set
Put on the body, for being socketed on the swinging mounting；Tightening knob, is arranged in the body, and with the support
Hole connects, in order to adjust the tautness of the microphone fixture and swinging mounting.
Further, the connecting rod and motor connection, in order to drive the swinging mounting to rotate.
Further, the swinging mounting arc.
Further, the swinging mounting includes：Part I and Part II, the Part I passes through attachment means
It is connected with the Part II.
The acoustical power test bracket that the present invention is provided, using portable microphone holder, all mikes is installed
On this support, having the advantages that compared to prior art, institute not only can be driven in test using holder pivots
Having mike to rotate carries out position adjustment, and while completes to test, the support is not only simple to operate, convenient regulation, control accuracy
Higher, the scope of application is handed over relatively extensively, and with low cost, is easy to safeguard.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is described in further detail：
Fig. 1 is the acoustical power test bracket structural representation that one embodiment of the invention is provided；
Fig. 2 is the microphone fixture structural representation that one embodiment of the invention is provided；
Fig. 3 is the acoustical power test bracket structural representation that another embodiment of the present invention is provided；
Fig. 4 is that another embodiment of the present invention provides a kind of swinging mounting and installation example figure.
Drawing reference numeral explanation：
Connecting rod 110, rotating shaft 120, swinging mounting 130, Part I 131, Part II 132, attachment means 133, wheat
Gram wind fixture 140, body 141, mike installing hole 142, bracket holes 143, tightening knob 144
Specific embodiment
In view of in prior art, carry out acoustical testing, when particularly testing acoustical power, it is often necessary to put 10,20,
Even 40 mikes, therefore, install and adjust that these mikes are relatively difficult, and the present invention devises portable mike
Support, all mikes are installed on this support, and during test, support is rotated automatically, while completing test.
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is had to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
As shown in figure 1, one specific embodiment of the present invention discloses acoustical power test bracket structural representation.The acoustical power is surveyed
Examination support, which includes：Connecting rod 110；Rotating shaft 120, is connected with the connecting rod 110；Swinging mounting 130, by the rotating shaft
120 are connected with the connecting rod 110；Microphone fixture 140, is connected on the swinging mounting 130, for fixing mike.
Using the acoustical power test bracket, all multiple mikes can be driven in test to rotate using the position adjustment of support is carried out
Position adjustment, and while complete test.
In embodiments of the present invention, the acoustical power test bracket coordinates motor use, by the connecting rod 110 and motor
Connection, in order to drive the swinging mounting 130 to rotate, gathers acoustic data while turning, realizes the rotation of swinging mounting 130
Machine automatization controls and realizes gathering the purpose of acoustic data.
In embodiments of the present invention, the rotating shaft 120 is indexing rotating shaft, thus, it is possible to accurately be controlled by the indexing rotating shaft
130 rotational angle of swinging mounting that system is connected with rotating shaft, to be accurately positioned, enters to ensure that the accuracy of acoustical testing.
Fig. 2 is referred to, in embodiments of the present invention, the microphone fixture 140 includes：Body 141；Mike installing hole
142 are located on the body 141；Bracket holes 143 are arranged on the body 141, for being socketed on the swinging mounting 130
On；Tightening knob 144, is arranged in the body 141, and is connected with the bracket holes 143, in order to adjust the microphone fixture
140 with the tautness of the swinging mounting 130.Installation and the tune of mike can conveniently be realized by this microphone fixture 140
Adjust position.
In embodiments of the present invention, the swinging mounting 130 in described acoustical power test bracket is arc, works as rotation
When support 130 is rotated, cover body can be formed and covered around measurand.
In embodiments of the present invention, Fig. 3 is referred to, the swinging mounting 130 includes：Part I 131 and Part II
132, the Part I 131 is connected with the Part II 132 by attachment means 133.130 points of two kinds of shapes of swinging mounting
State, when used in semianechoic room, uneasiness loads portion's Part II 131, and (support has different radius r, mainly has according to standard
The product of 1m, 1.5m, 2m equidimension, also can special facture other sizes)；When used in whole elimination room, bottom second is installed
132 swinging mounting of part.Thus, it is possible to expand significantly the scope of application of the acoustical power test bracket.
In order to the present invention is more clearly explained, below has specifically used process for example.
Fig. 4 is referred to, is a kind of swinging mounting and installation example figure (this example is mounted with 10 mikes), can turn along Z axis
Dynamic.
A is support, and it is testing radius that B is measured object, r.This figure derives from ISO 3745 (being equal to GB/T 6882)
Described using flow process：
Selected using top swinging mounting according to laboratory environment and standard, or up/down portion support is fit to be used；
According to standard and field instrumentation condition, load appropriate number of microphone fixture；
Mike is installed on microphone fixture；
Rotation time is set, and starts test.
Acoustical power test bracket provided in an embodiment of the present invention, using portable microphone holder, by all Mikes
Wind is installed on this support, is had the advantages that compared to prior art, not only can be in test using holder pivots
Driving all mikes to rotate carries out position adjustment, and while completes to test, the support is not only simple to operate, convenient regulation, control
Precision processed is higher, and the scope of application is handed over relatively extensively, and with low cost, is easy to safeguard.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of acoustical power test bracket, it is characterised in that include：
Connecting rod；
Rotating shaft, is connected with the connecting rod；
Swinging mounting, is connected with the connecting rod by the rotating shaft；
Microphone fixture, is connected on the swinging mounting, for fixing mike.
2. acoustical power test bracket according to claim 1, it is characterised in that the rotating shaft is indexing rotating shaft.
3. acoustical power test bracket according to claim 1, it is characterised in that the microphone fixture includes：
Body；
Mike mounting hole site is on the body；
Bracket holes are arranged on the body, for being socketed on the swinging mounting；
Tightening knob, is arranged in the body, and is connected with the bracket holes, is propped up with rotating in order to adjust the microphone fixture
The tautness of frame.
4. acoustical power test bracket according to claim 1, it is characterised in that the connecting rod and motor connection, in order to
The swinging mounting is driven to rotate.
5. acoustical power test bracket according to claim 1, it is characterised in that the swinging mounting arc.
6. acoustical power test bracket according to claim 1, it is characterised in that the swinging mounting includes：Part I
And Part II, the Part I is connected with the Part II by attachment means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119781.1A CN106454681A (en) | 2016-12-08 | 2016-12-08 | Acoustical power testing support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119781.1A CN106454681A (en) | 2016-12-08 | 2016-12-08 | Acoustical power testing support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106454681A true CN106454681A (en) | 2017-02-22 |
Family
ID=58217799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611119781.1A Pending CN106454681A (en) | 2016-12-08 | 2016-12-08 | Acoustical power testing support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106454681A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108769886A (en) * | 2018-06-25 | 2018-11-06 | 歌尔股份有限公司 | A kind of microphone test equipment |
| CN109005493A (en) * | 2018-05-29 | 2018-12-14 | 东莞市龙健电子有限公司 | A kind of sound equipment test device |
| CN110062322A (en) * | 2019-05-09 | 2019-07-26 | 常熟市工程质量检测中心 | A method of architectural acoustics test is carried out with rotatable microphone holder system |
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| CN201856181U (en) * | 2010-11-04 | 2011-06-08 | 奇瑞汽车股份有限公司 | Tool fixture for testing noise in vehicle |
| CN102192779A (en) * | 2010-03-05 | 2011-09-21 | 上海声望声学工程有限公司 | Acoustic power measuring frame |
| CN204217094U (en) * | 2014-12-08 | 2015-03-18 | 费迪曼逊多媒体科技（上海）有限公司 | A kind of microphone fixed support |
| CN204422061U (en) * | 2015-03-16 | 2015-06-24 | 株洲时代新材料科技股份有限公司 | Acoustical power testing jig |
| CN204578719U (en) * | 2015-04-24 | 2015-08-19 | 无锡吉兴汽车声学部件科技有限公司 | Microphone holder in easy car |
| CN105092020A (en) * | 2014-05-13 | 2015-11-25 | 珠海格力电器股份有限公司 | Sound power level test tool |
| US20160286321A1 (en) * | 2015-03-23 | 2016-09-29 | John W. Cole | Test apparatus for binaurally-coupled acoustic devices |
| CN206251334U (en) * | 2016-12-08 | 2017-06-13 | 上海声望声学科技股份有限公司 | Acoustical power test bracket |
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2016
- 2016-12-08 CN CN201611119781.1A patent/CN106454681A/en active Pending
Patent Citations (8)
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| CN102192779A (en) * | 2010-03-05 | 2011-09-21 | 上海声望声学工程有限公司 | Acoustic power measuring frame |
| CN201856181U (en) * | 2010-11-04 | 2011-06-08 | 奇瑞汽车股份有限公司 | Tool fixture for testing noise in vehicle |
| CN105092020A (en) * | 2014-05-13 | 2015-11-25 | 珠海格力电器股份有限公司 | Sound power level test tool |
| CN204217094U (en) * | 2014-12-08 | 2015-03-18 | 费迪曼逊多媒体科技（上海）有限公司 | A kind of microphone fixed support |
| CN204422061U (en) * | 2015-03-16 | 2015-06-24 | 株洲时代新材料科技股份有限公司 | Acoustical power testing jig |
| US20160286321A1 (en) * | 2015-03-23 | 2016-09-29 | John W. Cole | Test apparatus for binaurally-coupled acoustic devices |
| CN204578719U (en) * | 2015-04-24 | 2015-08-19 | 无锡吉兴汽车声学部件科技有限公司 | Microphone holder in easy car |
| CN206251334U (en) * | 2016-12-08 | 2017-06-13 | 上海声望声学科技股份有限公司 | Acoustical power test bracket |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109005493A (en) * | 2018-05-29 | 2018-12-14 | 东莞市龙健电子有限公司 | A kind of sound equipment test device |
| CN109005493B (en) * | 2018-05-29 | 2023-11-21 | 东莞市龙健电子有限公司 | Sound test device |
| CN108769886A (en) * | 2018-06-25 | 2018-11-06 | 歌尔股份有限公司 | A kind of microphone test equipment |
| CN108769886B (en) * | 2018-06-25 | 2020-10-09 | 歌尔股份有限公司 | Microphone test equipment |
| CN110062322A (en) * | 2019-05-09 | 2019-07-26 | 常熟市工程质量检测中心 | A method of architectural acoustics test is carried out with rotatable microphone holder system |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |