CN103511802B - Microphone support for in-vehicle acoustic mode measurement and testing - Google Patents
Microphone support for in-vehicle acoustic mode measurement and testing Download PDFInfo
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- CN103511802B CN103511802B CN201310404490.7A CN201310404490A CN103511802B CN 103511802 B CN103511802 B CN 103511802B CN 201310404490 A CN201310404490 A CN 201310404490A CN 103511802 B CN103511802 B CN 103511802B
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Abstract
The invention relates to a microphone support, in particular to a microphone support for an in-vehicle acoustic mode measurement and testing. The problems that an existing microphone support is difficult to install, accuracy of the position of a microphone is difficult to guarantee, and the microphone support has limitations when being applied to vehicle models. The microphone support comprises a main support, an auxiliary support, a microphone location clamp, a main-auxiliary support connecting rod, a connecting rod clamp, a bolt and a foot support assembly. The main support and the auxiliary support are respectively composed of a cylinder structure and a guiding rod, circular holes are formed in a cylinder on the outer side at a certain distance interval, the cylinders and the guiding rods are respectively provided with scales in a marked mode, and a spring pin is arranged on the guiding rod in each cylinder and used for being matched with the circular holes in each cylinder to enable the height and the width of the microphone support to be conveniently changed. Threads are arranged on the main-auxiliary support connecting rod, and the threads are matched with internal threads of the connecting rod clamp to achieve the effect of being connected with the main support and the auxiliary support. The foot support assembly vertically moves in an up-and-down mode along the main support, and the height can be adjusted in the vertical direction. The microphone support is simple in structure and convenient to machine, carry and install.
Description
Technical field
The present invention relates to acoustic mode in a kind of car and measure test microphone arm.
Background technique
At present, both at home and abroad being distributed in operatic tunes microphone array everywhere in car, in order to analyze the mode of the operatic tunes in car to needing to set up one when acoustic mode is measured in car.For the mode of the operatic tunes in accurate analysis car, the microphone array set up needs hundreds of even thousands of measuring points, generally adopts microphone arm to be fixed on commitment positions to make microphone during measurement.And the operatic tunes in car, especially passenger car operatic tunes spatial structure is complicated, and floor out-of-flatness in car, the installation of microphone arm is very difficult.The microphone arm that traditional method adopts mostly is and makes easy support for a certain fixing vehicle, difficulty installed by these simple supports in car, be difficult to when measuring ensure that microphone is consistent with testing the microphone coordinate formulated in measuring phase, the spectrogram parameter often measuring a vehicle will adopt new support according to the deployment scenarios of interior trim in the height of the operatic tunes in car, width and car, and using scope is limited.
Summary of the invention
The present invention solves existing microphone arm to there is the precision of installing difficulty, being difficult to ensure microphone position and stent applications for the limited problem of vehicle, provides acoustic mode in a kind of car to measure test microphone arm.
In car, acoustic mode measures test microphone arm, comprises master bracket, assistant support, microphone locating clip, major-minor connecting rod of support and foot support assembly; Described master bracket is connected by major-minor connecting rod of support with assistant support, and microphone is fixed on assistant support by microphone locating clip, and foot support assembly is fixed on one end of master bracket; Described master bracket and assistant support are made up of cylinder and guide rod respectively, described cylinder and guide rod are marked with scale, equally spacedly on cylinder are provided with circular hole, and the guide rod in cylinder is provided with spring pin, for coordinating with the circular hole on cylinder, for changing height and the width of microphone arm.
Beneficial effect of the present invention: to the invention provides in a kind of car acoustic mode and measure test microphone arm, one, structure is simple, be convenient to processing, carry, easy for installation; Two, the height of support and width are convenient to regulate, and the spectrogram parameter that may be used for different automobile types is measured; Three, can facilitate microphone is installed, the operations such as adjustment and dismounting; Four, foot support is flexible, can meet in complex environment work such as non-planar surfaces.
Accompanying drawing explanation
Fig. 1 is that the axle of acoustic mode measurement test microphone arm in car of the present invention measures intention;
Fig. 2 is that in Fig. 1, microphone locating clip is fixed on the partial enlarged drawing on assistant support after being connected with microphone;
Fig. 3 is that in Fig. 1, major-minor connecting rod of support and connecting rod press from both sides and be fixed on partial enlarged drawing on master bracket and assistant support;
Fig. 4 is the plan view that in car of the present invention, acoustic mode measures test microphone arm;
Fig. 5 is the structural representation that in car of the present invention, acoustic mode measures master bracket in test microphone arm;
Fig. 6 is the structural representation that in car of the present invention, acoustic mode measures assistant support in test microphone arm;
In Fig. 7, a and b is respectively plan view and the left view that acoustic mode in car of the present invention measures microphone locating clip in test microphone arm;
Fig. 8 is the structural representation that in car of the present invention, acoustic mode measures major-minor connecting rod of support in test microphone arm;
Fig. 9 is that in car of the present invention, acoustic mode measures the test structural representation connecting bar cramp in microphone arm.
Embodiment
Embodiment one, composition graphs 1 to Fig. 9 illustrate present embodiment, in car, acoustic mode measures test microphone arm, comprises master bracket 1, assistant support 2, microphone locating clip 3, microphone 4, screw 5A, major-minor connecting rod of support 6, bolt 7, connects the main parts size such as bar cramp 8, foot support assembly.Wherein microphone is arranged on assistant support 2 by microphone locating clip 3, adopts major-minor connecting rod of support 6 to connect between master bracket 1, assistant support 2, and connecting rod one end is by bolt connection pair support, and the other end connects master bracket 1 by connecting bar cramp 8; Connect bar cramp 8 and adjust degree of tightness with nut, guarantee that assistant support 2 can adjust position at vertical direction; Assistant support 2 is marked with scale, and the guide rod of inside, two ends can stretch, and can adjust quantity and the installing space of microphone as required.Adjustment connects bar cramp 8 just can make moving up and down of the vertical direction of assistant support 2, and then achieves the change of microphone 3 in vertical direction position.The angle that foot support assembly can adjust three foot supports and the use highly met at complex environments such as non-planar surfaces.
Composition graphs 5 and Fig. 6 illustrate present embodiment, Fig. 5 is microphone master bracket, be made up of cylinder A1-1 and guide rod A1-3, cylinder A1-1 there is equally spaced circular hole also indicate scale, guide rod A1-3 is in cylinder interior, and can stretch in cylinder A1-1, whole guide rod A1-3 is marked with scale, there is a spring pin A1-2 guide rod A1-3 end, and spring pin A1-2 coordinates fixed guide bar A1-3 with the circular hole on cylinder A1-1.Fig. 6 is microphone assistant support, and centre is cylinder B2-1, and cylinder B2-1 has equally spaced circular hole, indicate scale above, there are two guide rod B2-3 at two ends in cylinder B2-1, and whole guide rod B2-3 is marked with scale, and end has spring pin B2-2 to coordinate with cylinder B2-1 circular hole with fixed guide bar B2-3.Microphone is fixed on assistant support by microphone locating clip.The height of described master bracket 1 can realize adjusting by the cooperation position of circular hole on the spring pin A1-2 on change guide rod A1-3 and cylinder A1-1; The width of assistant support 2 can by changing the cooperation position of the spring pin B2-2 in assistant support on guide rod B2-3 and the circular hole on cylinder B2-1, and flexible guide rod B2-3 adjusts.
Composition graphs 7 to Fig. 9 illustrates present embodiment, and in Fig. 7, a is microphone locating clip plan view, and b is microphone locating clip left view.Microphone 4 microphone locating clip 3 is arranged on assistant support 2, and microphone locating clip 3 is plastic material, and the upper end type of falling Ω clip has certain elasticity, is convenient to mount and dismount microphone, and lower end screw 5A is locked on assistant support 2.Quantity and the installing space of microphone can be selected as required.Fig. 8 is major-minor connecting rod of support, and Fig. 9 is for connecting bar cramp, and the circular lock ring structure of major-minor connecting rod of support 6 one end is by two screw lock, and auxiliary connection support, its bar portion has screw thread, with the circular hole 8-1 screw-internal thread fit being connected bar cramp 8, is connected on master bracket 1.Owing to wanting frequent degree of tightness to connect bar cramp when changing microphone position, the open part connecting bar cramp is connected by bolt 7, and adjusting nut just degree of tightness can connect bar cramp, has internal thread, coordinate with connecting rod at the circular hole 8-1 of the other end.Major-minor connecting rod of support 6 just can move up and down along master bracket vertical direction and fix.Connecting rod 6 drives assistant support 2 and microphone 4, achieves the change of microphone height.
There is foot support assembly master bracket 1 lower end described in present embodiment, described foot support 10 and foot support connecting rod adopt screw thread 11 to be connected, foot support connecting rod 9 can rotate around master bracket 1 and move along master bracket vertical direction, and foot support connecting rod 9 adopts screw to be fixed on master bracket 1.Foot support 10 can translation-angle and height, the use at complex environments such as non-planar surfaces can be met.
The installation that embodiment two, present embodiment are acoustic mode measurement test microphone arm in the car described in embodiment one and using method, detailed process is:
One, adjust angle and the height of three foot supports in both sides, microphone arm is stably supported;
Two, need height and the width of layout according to microphone, adjust the collapsing length of guide rod in major and minor support;
Three, select number and the installation interval of microphone as required, microphone is installed;
Four, the height by adjusting assistant support in measuring phase adjusts the height of microphone;
Five, change the position of microphone arm, then repeat above-mentioned steps until sound pressure measurement is complete.
Above mode of execution is only for illustration of the present invention; and not to the restriction of invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all equivalent technological schemes also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (4)
1. in car, acoustic mode measures test microphone arm, comprises master bracket (1), assistant support (2), microphone locating clip (3), major-minor connecting rod of support (6) and foot support assembly; Described master bracket (1) is connected by major-minor connecting rod of support (6) with assistant support (2), and microphone (4) is fixed on assistant support (2) by microphone locating clip (3), and foot support assembly is fixed on one end of master bracket (1); It is characterized in that, described master bracket (1) and assistant support (2) are made up of cylinder and guide rod respectively, described cylinder and guide rod are marked with scale, equally spacedly on cylinder be provided with circular hole, guide rod in cylinder is provided with spring pin, for coordinating with the circular hole on cylinder, for changing height and the width of microphone arm.
2. in car according to claim 1, acoustic mode measures test microphone arm, it is characterized in that, also comprise and connect bar cramp (8), in the circular hole (8-1) of one end of described connection bar cramp (8), internal thread is set, for the bar portion screw-thread fit with major-minor connecting rod of support (6); The open part connecting the other end of bar cramp (8) connects with bolt (7), and adjusting nut is fixedly connected with the position of bar cramp (8) in master bracket (1); The circular lock ring of described major-minor connecting rod of support (6) end is by two screw lock and be fixed on assistant support (2).
3. in car according to claim 1, acoustic mode measures test microphone arm, it is characterized in that, described microphone locating clip (3) is made of plastics, and upper end is the type of falling Ω structure, for installing microphone (4), lower end is by screw A(5) be locked on assistant support (2).
4. in car according to claim 1, acoustic mode measures test microphone arm, it is characterized in that, described foot support assembly is made up of foot support connecting rod (9), foot support (10) and screw (11), described foot support (10) adopts with foot support connecting rod (9) and is threaded, foot support connecting rod (9) rotates around master bracket (1) and moves along master bracket (1) vertical direction, and foot support connecting rod (9) adopts screw B(11) be fixed on master bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404490.7A CN103511802B (en) | 2013-09-06 | 2013-09-06 | Microphone support for in-vehicle acoustic mode measurement and testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310404490.7A CN103511802B (en) | 2013-09-06 | 2013-09-06 | Microphone support for in-vehicle acoustic mode measurement and testing |
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| Publication Number | Publication Date |
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| CN103511802A CN103511802A (en) | 2014-01-15 |
| CN103511802B true CN103511802B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310404490.7A Expired - Fee Related CN103511802B (en) | 2013-09-06 | 2013-09-06 | Microphone support for in-vehicle acoustic mode measurement and testing |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374555B (en) * | 2014-11-03 | 2017-03-29 | 吉林大学 | A kind of assembling adjustable zero part Free Modal test stand |
| CN104776877B (en) * | 2015-04-01 | 2017-05-03 | 浙江大学 | Three-dimensional microphone array tensioning positioning instrument |
| CN105187961B (en) * | 2015-07-27 | 2019-07-02 | 无锡吉兴汽车声学部件科技有限公司 | Fixation bracket for car acpistocs experiment |
| CN105059201B (en) * | 2015-07-27 | 2017-11-03 | 无锡吉兴汽车声学部件科技有限公司 | The microphone fixing device of the in-car driver's parotic noise of measurement |
| CN106124627B (en) * | 2016-08-01 | 2019-03-19 | 上海市计量测试技术研究院 | A kind of sound scattering coefficient on-the-spot test microphone linear array |
| CN106768285A (en) * | 2016-12-21 | 2017-05-31 | 北京强度环境研究所 | A kind of sound field space correlation system safety testing device |
| CN107906312A (en) * | 2017-11-29 | 2018-04-13 | 重庆长安汽车股份有限公司 | A kind of erecting device for the test of automobile spectrogram parameter |
| CN109640202A (en) * | 2018-12-20 | 2019-04-16 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of Combined multifunctional microphone array rack device |
| CN112856154B (en) * | 2021-01-18 | 2022-09-27 | 西北工业大学 | Multi-degree-of-freedom array bracket for acoustic directivity measurement |
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| FR2426854A1 (en) * | 1978-05-23 | 1979-12-21 | Meier Jacques | Support for scaffolding for small scale building work - has telescopic tube fixed in different positions by transverse pin and mounting detachable support at top |
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| CN102759001A (en) * | 2012-07-31 | 2012-10-31 | 中冶南方工程技术有限公司 | Instrumentation fixing device for opened pond |
| CN202691471U (en) * | 2012-06-07 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Video camera installing frame |
| CN203500787U (en) * | 2013-09-06 | 2014-03-26 | 吉林大学 | Microphone support frame for in-vehicle acoustic modal measurement test |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561618B (en) * | 2009-05-15 | 2011-04-27 | 威宝摄影器材有限公司 | Portable photographic stand |
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2013
- 2013-09-06 CN CN201310404490.7A patent/CN103511802B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426854A1 (en) * | 1978-05-23 | 1979-12-21 | Meier Jacques | Support for scaffolding for small scale building work - has telescopic tube fixed in different positions by transverse pin and mounting detachable support at top |
| CN201561618U (en) * | 2009-10-29 | 2010-08-25 | 程启进 | Refrigerator equipped with combined type light-wave sterilizing and deodorizing freshness keeper |
| CN202691471U (en) * | 2012-06-07 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Video camera installing frame |
| CN102759001A (en) * | 2012-07-31 | 2012-10-31 | 中冶南方工程技术有限公司 | Instrumentation fixing device for opened pond |
| CN203500787U (en) * | 2013-09-06 | 2014-03-26 | 吉林大学 | Microphone support frame for in-vehicle acoustic modal measurement test |
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| CN103511802A (en) | 2014-01-15 |
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Granted publication date: 20150520 Termination date: 20200906 |