CN204420492U - A kind of mounting bracket for automobile noise identifing source microphone array - Google Patents
A kind of mounting bracket for automobile noise identifing source microphone array Download PDFInfo
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- CN204420492U CN204420492U CN201520027555.5U CN201520027555U CN204420492U CN 204420492 U CN204420492 U CN 204420492U CN 201520027555 U CN201520027555 U CN 201520027555U CN 204420492 U CN204420492 U CN 204420492U
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- horizontal assembly
- microphone array
- mounting bracket
- leg
- horizon bar
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Abstract
For a mounting bracket for automobile noise identifing source microphone array, comprise supporting part, horizontal assembly, instrument link press span and movable multi-leg bracket; Supporting part comprises strut, movable three-legged support; Strut top is connected with horizontal assembly through locking device, and horizontal assembly one end is provided with balancing weight, and the horizontal assembly the other end is connected with instrument link press span through angle regulator, and instrument link press span connects movable multi-leg bracket, and multi-leg bracket end is provided with clip; Horizontal assembly comprises the horizon bar that two or more plugs together mutually; Strut, horizontal assembly, angle regulator are provided with graduation line.Supporting part and horizontal assembly in a vertical connection, angle regulator is positioned at below described horizontal assembly one end, and perpendicular.The utility model has multiple regulative mode, and achieved by the adjustability between each parts and regulate the multi-angle of equipment, the utility model is simple and reliable for structure, easy to adjust, firmly, to state of ground strong adaptability, simple and quick.
Description
Technical field
The utility model belongs to automobile vibration noise development field, a kind of based on the erecting device about microphone array in Noise Sources Identification detection device.
Background technique
In automobile vibration noiseproof feature development process, usually need in conjunction with noise sources identification, carry out identifying to sound source and locate, analyzing Main Noise Sources characteristic and radiation event, to take Improving Measurements targetedly.Acoustic array imaging method has become the first-selection of Noise Sources Identification, and it forms a microphone array by several microphones, is arranged near measurand, carries out identification of sound source analysis by data acquistion system according to specific distance, angle.Microphone array needs to be fixed by specific mounting bracket, all be fixed by tentative plan in the past, exist fixing insecure, position (distance, angle) adjustment inconvenience, during operating cost, detection has the problems such as error, thus affects the accuracy of equipment use safety, test efficiency and test result.The utility model is according to the actual requirement of testing inspection, determine its concrete structure and mounting type, effectively can improve installation and the degree of regulation of acoustic array, improve the means of fixation of array, and cost is low, easy for installation, ensure that testing inspection efficiency and result precision.
Summary of the invention
Goal of the invention of the present utility model is to overcome existing test conditions or testing conditions above shortcomings, provides a kind of mounting bracket for automobile noise identifing source microphone array, simple and reliable for structure, easy to adjust, firmly, simple and quick.
The technical solution adopted in the utility model is: comprise supporting part, horizontal assembly, instrument link press span and movable multi-leg bracket; Supporting part comprises strut, is loaded on the movable three-legged support of strut bottom; Strut top is connected with horizontal assembly through locking device, horizontal assembly one end is provided with the balancing weight that can horizontally slip along horizontal assembly, the horizontal assembly the other end is connected with instrument link press span through angle regulator, instrument link press span connects movable multi-leg bracket, and multi-leg bracket end is provided with the clip for locking/opening microphone array to be detected; Described horizontal assembly comprises the horizon bar that two or more plugs together mutually; Described strut, horizontal assembly, angle regulator are provided with graduation line.Described supporting part and horizontal assembly in a vertical connection, angle regulator is positioned at below described horizontal assembly one end, and perpendicular.
Described locking device comprises base plate, locks the locking hoop of strut with base plate, and locking hoop two ends are loaded on base plate through lock bolt, and base plate is arranged on horizontal assembly.
Described balancing weight has through hole, and balancing weight via through holes is set in horizontal assembly one end, and described balancing weight is provided with the balancing weight tight fixed bolt for locating balancing weight position on horizontal assembly.
Described balancing weight also has the mounting hole connected with through hole, balancing weight tight fixed bolt is loaded on mounting hole place.
Horizontal assembly comprises horizon bar one, horizon bar two, and described horizon bar one is loop bar, and horizon bar one is provided with spirit bubble, and horizon bar two one end to be stretched in loop bar and is connected with horizon bar two through spring bolt.
Described horizon bar one has more than two pin-and-holes, horizon bar two has the pin-and-hole coordinated with spring bolt, spring bolt is plugged in pin-and-hole.
Described angle regulator comprises reversing bar, and reversing bar upper end is loaded on horizontal assembly end through upper adjusting bolt, upper locking nut, and reversing bar lower end is provided with mounting groove, and instrument link press span is loaded on mounting groove through lower adjusting bolt, lower locking nut.
Described multi-leg bracket comprises auxiliary stand, multiple leg being positioned at auxiliary stand lower end, and clip is positioned at each leg end portions.
Described instrument link press span is threaded with the auxiliary stand of multi-leg bracket, and between instrument link press span and the auxiliary stand of multi-leg bracket, locking nut is housed, locking nut is provided with graduation line.
Described clip one end and leg inner end hinged, the clip the other end and leg outer end place are provided with wing bolt.
The utility model securely, can realize multiple regulative mode.Horizontal assembly is mutually plugged together by least two horizontal bars and forms, and the diameter of the scalable horizon bar of each joint is all reduce section by section from top to bottom, screws between adjacent level bar with degree of tightness knob, can according to the position of needed height adjusting support frame.Simultaneously by adjustability between strut and locking structure, achieve the multi-angle position regulation to microphone array, ensure that the validity of tested array mounting point.The utility model structure is reliable, easy to adjust, firmly, simple and quick.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of angle regulator.
Fig. 3 is the structural representation of clip.
Embodiment
In Fig. 1, the utility model mainly comprises telescopic movable three-legged support 1, strut 3, equilibrate counterweight 7, main beam (horizontal assembly), angle regulator group, instrument link press span 15 and auxiliary support frame 17 and forms.For supporting integrally-built strut and main beam (horizontal assembly) anatomical connectivity by base plate+locking hoop, main beam can slide in base plate, adjustable range, prevents from interfering.Telescopic movable three-legged support 1 and strut 3 realize adjustable function by tripod lock bolt 2, and strut 3 is connected with horizon bar 1 by movable floor 4, locking hoop 5, lock bolt 6, makes horizon bar 1 carry out moving up and down adjustment.Balancing weight 7 is placed in horizon bar 1 left end by tight fixed bolt 8, by the movement to balancing weight 7 position, ensures that whole erecting device balance is firm.Main beam (horizontal assembly) is movable loop bar group, can regulate horizon bar 1 and the relative position of horizon bar 2 11 as required, control arm length, proof test required precision.Horizon bar 2 11 right-hand member is connected with instrument link press span 15 by angle regulator, regulates locking can realize two mutually perpendicular directions regulate by angle regulator.Adopt accurate thread to be connected between auxiliary support frame 17 with instrument link press span 15 to coordinate, can rotate relative to instrument link press span 15 direction of adjusting support frame, rotary angle position, then compress locked by locking nut 16, locking nut 16 is furnished with scale, can indirect labor regulates.Auxiliary stand 17 end connects multiple leg, and leg end is fixing hoop 18, is used for fixing microphone array support 19, keeps its position accurate and firm.The utility model ensures to meet testee testing precision demand, all scale value is indicated at movable place at strut 3, movable loop bar group, angle regulator, carry out accurate adjustment from the aspect such as length, angle respectively, ensure the validity of testing process and the accuracy of test result.Simultaneously horizon bar 1 is positioned at balancing weight end and is also provided with spirit bubble 20 and scale value, by guaranteeing the firm of whole support to the adjustment of configuration block position, reaches the level requirement of main beam.
In Fig. 2, angle regulator comprises angle adjustment locking one, reversing bar 13, angle adjustment locking two, instrument link press span 15, locking nut 16 form.Reversing bar 13 two ends are orthogonal U-shaped opening, less Spielpassung is adopted to be connected with the top of horizon bar 2 11 and instrument link press span 15 by bolt respectively, respectively by angle adjustment lock one and angle adjustment lock and two to lock, and be furnished with under elastic washer prevents working state and loosen.Angle adjustment locking one comprises adjusting bolt, upper locking nut 12, angle adjustment locking two comprises lower adjusting bolt, lower locking nut 14, upper locking nut, lower locking nut are the locking nut of band operating grip, by the angle adjustment in 2 mutually perpendicular directions, the universal regulated of microphone array 19 can be realized, reversing bar 13 two ends are furnished with angle index and indicate, and can indirect labor regulate.Simultaneously, it is the screw-rod structure with accurate thread bottom instrument link press span 15, multi-leg bracket top is tapped tube-in-tube structure (auxiliary stand 17), be connected by accurate thread between them, instrument link press span 15 can rotate the direction of adjusting support frame relatively, compress locked by locking nut 16 again, locking nut 16 is furnished with scale, can indirect labor regulate.Angle adjustment locking one makes reversing bar 13 carry out swinging and locked fixing, realizes the adjustment (relative support bar 3) to movable multi-leg bracket axial angle.Angle adjustment locking two makes instrument link press span 15 carry out swing and locked fixing, realizes the adjustment (relative support bar 3) to the tangential angle of multi-leg bracket.
In Fig. 3, auxiliary stand 17 the other end is multiple movable foot rests (leg), and foot rest afterbody is furnished with tapped hole, and itself and fixing hoop 18, by pinned connection, are locked by wing bolt, and can according to the profile adjustment foot rest size of microphone array 19.Multi-leg bracket is movable frame, and it can adjust suitable subtended angle according to the size of microphone array 19, and is locked firmly by fixing hoop 18, adopts accurate thread to be connected and coordinate between its with instrument link press span 15, by rotating the direction of adjusting support frame.
Claims (10)
1. for a mounting bracket for automobile noise identifing source microphone array, it is characterized in that: comprise supporting part, horizontal assembly, instrument link press span (15) and movable multi-leg bracket; Supporting part comprises strut (3), is loaded on the movable three-legged support (1) of strut (3) bottom; Strut (3) top is connected with horizontal assembly through locking device, horizontal assembly one end is provided with the balancing weight (7) that can horizontally slip along horizontal assembly, the horizontal assembly the other end is connected with instrument link press span (15) through angle regulator, instrument link press span (15) connects movable multi-leg bracket, and multi-leg bracket end is provided with the clip (18) for locking/opening microphone array to be detected; Described horizontal assembly comprises the horizon bar that two or more plugs together mutually; Described strut (3), horizontal assembly, angle regulator are provided with graduation line.
2. the mounting bracket for automobile noise identifing source microphone array according to claim 1, it is characterized in that: described locking device comprises base plate (4), locks the locking hoop (5) of strut (3) with base plate (4), locking hoop (5) two ends are loaded on base plate (4) through lock bolt, and base plate (4) is arranged on horizontal assembly.
3. the mounting bracket for automobile noise identifing source microphone array according to claim 1, it is characterized in that: (7) have through hole to described balancing weight, balancing weight (7) via through holes is set in horizontal assembly one end, and described balancing weight (7) is provided with the balancing weight tight fixed bolt (8) for locating balancing weight position on horizontal assembly.
4. the mounting bracket for automobile noise identifing source microphone array according to claim 3, is characterized in that: (7) also have the mounting hole connected with through hole to described balancing weight, and balancing weight tight fixed bolt (8) is loaded on mounting hole place.
5. the mounting bracket for automobile noise identifing source microphone array according to claim 1, it is characterized in that: horizontal assembly comprises horizon bar one (9), horizon bar two (11), described horizon bar one (9) is loop bar, horizon bar one (9) is provided with spirit bubble (20), and horizon bar two (11) one end to be stretched in loop bar and is connected with horizon bar two (11) through spring bolt (10).
6. the mounting bracket for automobile noise identifing source microphone array according to claim 5, it is characterized in that: described horizon bar one (9) has more than two pin-and-holes one, horizon bar two (11) has the pin-and-hole two coordinated with pin-and-hole one, spring bolt (10) is plugged in pin-and-hole one, pin-and-hole two.
7. the mounting bracket for automobile noise identifing source microphone array according to claim 1, it is characterized in that: described angle regulator comprises reversing bar (13), reversing bar (13) upper end is loaded on horizontal assembly end through upper adjusting bolt, upper locking nut (12), reversing bar (13) lower end is provided with mounting groove, and instrument link press span (15) is loaded on mounting groove through lower adjusting bolt, lower locking nut (14).
8. the mounting bracket for automobile noise identifing source microphone array according to claim 1, it is characterized in that: described multi-leg bracket comprises auxiliary stand (17), multiple leg being positioned at auxiliary stand (17) lower end, and clip (18) is positioned at each leg end portions.
9. the mounting bracket for automobile noise identifing source microphone array according to claim 8, it is characterized in that: described instrument link press span (15) is threaded with the auxiliary stand (17) of multi-leg bracket, between the auxiliary stand (17) of instrument link press span (15) and multi-leg bracket, locking nut (16) is housed, locking nut (16) is provided with graduation line.
10. the mounting bracket for automobile noise identifing source microphone array according to claim 8, is characterized in that: described clip (18) one end and leg inner end hinged, clip (18) the other end and leg outer end place are provided with wing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520027555.5U CN204420492U (en) | 2015-01-15 | 2015-01-15 | A kind of mounting bracket for automobile noise identifing source microphone array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520027555.5U CN204420492U (en) | 2015-01-15 | 2015-01-15 | A kind of mounting bracket for automobile noise identifing source microphone array |
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| Publication Number | Publication Date |
|---|---|
| CN204420492U true CN204420492U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520027555.5U Expired - Fee Related CN204420492U (en) | 2015-01-15 | 2015-01-15 | A kind of mounting bracket for automobile noise identifing source microphone array |
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| CN (1) | CN204420492U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276341A (en) * | 2015-11-20 | 2016-01-27 | 湖南大学 | Automobile multifunctional microphone installation support |
| CN106124627A (en) * | 2016-08-01 | 2016-11-16 | 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 |
| CN107659885A (en) * | 2017-11-06 | 2018-02-02 | 合肥国科声拓信息技术有限公司 | Hexa-atomic microphone array acoustical signal processing equipment |
| CN108571995A (en) * | 2018-05-16 | 2018-09-25 | 北京海纳川汽车部件股份有限公司 | Mounting device for installing microphone |
| CN108933987A (en) * | 2018-06-28 | 2018-12-04 | 上海工程技术大学 | A kind of deformable microphone array bracket |
| CN109163909A (en) * | 2018-10-16 | 2019-01-08 | 汽-大众汽车有限公司 | A kind of automobile engine nacelle noise detection apparatus |
| 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 |
| CN115218093A (en) * | 2022-06-28 | 2022-10-21 | 江南造船(集团)有限责任公司 | Short baseline positioning array fixing device |
-
2015
- 2015-01-15 CN CN201520027555.5U patent/CN204420492U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276341A (en) * | 2015-11-20 | 2016-01-27 | 湖南大学 | Automobile multifunctional microphone installation support |
| CN106124627A (en) * | 2016-08-01 | 2016-11-16 | 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 |
| 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 |
| CN107659885A (en) * | 2017-11-06 | 2018-02-02 | 合肥国科声拓信息技术有限公司 | Hexa-atomic microphone array acoustical signal processing equipment |
| CN107659885B (en) * | 2017-11-06 | 2023-12-19 | 合肥国科声拓信息技术有限公司 | Six-element microphone array acoustic signal detection equipment |
| CN108571995A (en) * | 2018-05-16 | 2018-09-25 | 北京海纳川汽车部件股份有限公司 | Mounting device for installing microphone |
| CN108933987A (en) * | 2018-06-28 | 2018-12-04 | 上海工程技术大学 | A kind of deformable microphone array bracket |
| CN109163909A (en) * | 2018-10-16 | 2019-01-08 | 汽-大众汽车有限公司 | A kind of automobile engine nacelle noise detection apparatus |
| 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 |
| CN115218093A (en) * | 2022-06-28 | 2022-10-21 | 江南造船(集团)有限责任公司 | Short baseline positioning array fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20160115 |
|
| EXPY | Termination of patent right or utility model |