CN105187961A - Fixing bracket for automobile acoustic experiment - Google Patents
Fixing bracket for automobile acoustic experiment Download PDFInfo
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- CN105187961A CN105187961A CN201510448010.6A CN201510448010A CN105187961A CN 105187961 A CN105187961 A CN 105187961A CN 201510448010 A CN201510448010 A CN 201510448010A CN 105187961 A CN105187961 A CN 105187961A
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Abstract
The invention relates to a fixing bracket for an automobile acoustic experiment. The fixing bracket comprises a bracket, wherein a plurality of mounting holes are formed in the bottom of the bracket, an A-frame is arranged at the bottom of the bracket, the A-frame is fixed on the mounting holes of the bracket through bolts, a fixing frame is horizontally arranged above the bracket, a first U-shaped neck and a second U-shaped neck are respectively formed in two ends of the fixing frame, a first fixing groove and a second fixing groove are respectively formed in the open ends of the first U-shaped neck and the second U-shaped neck, and a first supporting frame and a second supporting frame are respectively arranged on the first U-shaped neck and the second U-shaped neck. The fixing bracket provided by the invention is simple in structure and compact in design, the first fixing groove and the second fixing groove are respectively used for placing loudspeakers, the first supporting frame and the second supporting frame are respectively used for placing microphones, the operation is convenient, the early-stage preparation time of the automobile acoustic experiment is shortened, and the test efficiency is improved.
Description
Technical field
The present invention relates to a kind of fixed support for car acpistocs experiment, belong to auto-parts manufacturing technology field.
Background technology
What require car comfort along with the development of automobile noise research field and people improves constantly, and in car, acoustic enviroment is more and more receives publicity.In order to improve acoustic enviroment in car, in research car, acoustic function parts are as the sound insulation and noise reduction such as automobile front wall sound-isolation pad, carpet performance, and the general Transfer path analysis method that adopts is analyzed.In the process, generally in car, place sound source, gather the voice signal inside and outside car by microphone.Generally sound source is placed near the ear of driver left and right, in car, near sound source, also needs cloth microphone to gather the sound pressure level of sound source.But not easily fix loud speaker and microphone at interior space, sometimes needing to destroy interior trim in car could fix loud speaker, and this is that acoustical testing standard is unallowed, because destroy the test result that interior trim can affect car load, causes test invalidation.
Summary of the invention
The object of the invention is in order to when solving car acpistocs experiment test, unstable problem fixed by loud speaker and microphone, to provide a kind of structure simple, the fixed support for car acpistocs experiment compact to design.
The present invention adopts following technical scheme: a kind of fixed support for car acpistocs experiment, comprise support, the bottom of described support is provided with some installing holes, the bottom of described support is provided with A-frame, described A-frame is bolted on the installing hole of support, the upper horizontal of described support is provided with fixed mount, the two ends of described fixed mount are respectively arranged with the first U-shaped draw-in groove and the second U-shaped draw-in groove, the openend of described first U-shaped draw-in groove and the second U-shaped draw-in groove is respectively arranged with the first holddown groove and the second holddown groove, described first holddown groove and the second holddown groove are respectively arranged with cable hole, described first U-shaped draw-in groove and the second U-shaped draw-in groove are respectively arranged with the first bracing frame and the second bracing frame.
Further, described first bracing frame comprises the first support bar and the second support bar, two limits that described first support bar and the second support bar are set in the first U-shaped draw-in groove respectively can move forward and backward along the first U-shaped draw-in groove, described first support bar and the second support bar are provided with the first pivot point, described first pivot point is provided with the first fixture.
Further, described second bracing frame comprises the 3rd support bar and the 4th support bar, two limits that described 3rd support bar and the 4th support bar are set in the second U-shaped draw-in groove respectively can move forward and backward along the second U-shaped draw-in groove, described 3rd support bar and the 4th support bar are provided with the second pivot point, described second pivot point is provided with the second fixture.
Further, the size of the headrest in the distance between described first U-shaped draw-in groove and the second U-shaped draw-in groove and automobile on driver's seat matches.
Structure of the present invention is simple, compact to design, first holddown groove and the second holddown groove are respectively used to place loud speaker, first bracing frame and the second bracing frame are respectively used to place microphone, easy to operate, reduce early-stage preparations time during car acpistocs experiment, improve testing efficiency, avoid the risk of the destruction car interior trim brought because of fixing loud speaker and microphone simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Reference numeral: support 1, A-frame 2, U-shaped draw-in groove 5, first holddown groove 6, second holddown groove 7, first bracing frame 8, the first support bar 8-1 of fixed mount the 3, first U-shaped draw-in groove 4, second, the second support bar 8-2, the first pivot point 8-3, the first fixture 8-4, the second bracing frame 9, the 3rd support bar 9-1, the 4th support bar 9-2, the second pivot point 9-3, the second fixture 9-4, cable hole 10.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of fixed support for car acpistocs experiment, comprise support 1, the bottom of support 1 is provided with some installing holes, the bottom of support 1 is provided with A-frame 2, A-frame 2 is bolted on the installing hole of support 1, the upper horizontal of support 1 is provided with fixed mount 3, the two ends of fixed mount 3 are respectively arranged with the first U-shaped draw-in groove 4 and the second U-shaped draw-in groove 5, the openend of the first U-shaped draw-in groove 4 and the second U-shaped draw-in groove 5 is respectively arranged with the first holddown groove 6 and the second holddown groove 7 is respectively used to fixing loud speaker, first holddown groove 6 and the second holddown groove 7 are respectively arranged with cable hole 10, first U-shaped draw-in groove 4 and the second U-shaped draw-in groove 5 are respectively arranged with the first bracing frame 8 and the second bracing frame 9, first U-shaped card, the size of the headrest in 4 and second distances between U-shaped draw-in groove 5 and automobile on driver's seat matches.First bracing frame 8 comprises the first support bar 8-1 and the second support bar 8-2, two limits that first support bar 8-1 and the second support bar 8-2 is set in the first U-shaped draw-in groove 4 respectively can move forward and backward along the first U-shaped draw-in groove 4, first support bar 8-1 and the second support bar 8-2 is provided with the first pivot point 8-3, the first pivot point 8-3 is provided with the first fixture 8-4 for fixing microphone.Second bracing frame 9 comprises the 3rd support bar 9-1 and the 4th support bar 9-2, two limits that 3rd support bar 9-1 and the 4th support bar 9-2 is set in the second U-shaped draw-in groove 5 respectively can move forward and backward along the second U-shaped draw-in groove 5,3rd support bar 9-1 and the 4th support bar 9-2 is provided with the second pivot point 9-3, the second pivot point 9-3 is provided with the second fixture 9-4 for fixing microphone.
Using method: loud speaker is positioned over the car acpistocs experiment of the left right ear position of driver, before experiment, support 1 is positioned over after driver's chair, the adjustment position be bolted on rack mounting apertures reaches suitable height, the angle of adjusting triangle support 2 makes support 1 keep stable, headrest fixed mount 3 being fastened on driver's chair make the first holddown groove 6 and the second holddown groove 7 arrive the position of driver left and right ear respectively, loud speaker is faced up and is positioned in the first holddown groove 6 and the second holddown groove 7 respectively, holding wire is passed respectively from cable hole, upper microphone is clamped respectively by the first fixture 8-4 and the second fixture 9-4, the position of the first bracing frame 8 and the second bracing frame 9 is slowly moved in front and back, regulate microphone and loud speaker to suitable distance can start test.
Claims (4)
1. the fixed support for car acpistocs experiment, it is characterized in that: comprise support (1), the bottom of described support (1) is provided with some installing holes, the bottom of described support (1) is provided with A-frame (2), described A-frame (2) is bolted on the installing hole of support (1), the upper horizontal of described support (1) is provided with fixed mount (3), the two ends of described fixed mount (3) are respectively arranged with the first U-shaped draw-in groove (4) and the second U-shaped draw-in groove (5), the openend of described first U-shaped draw-in groove (4) and the second U-shaped draw-in groove (5) is respectively arranged with the first holddown groove (6) and the second holddown groove (7), described first holddown groove (6) and the second holddown groove (7) are respectively arranged with cable hole (10), described first U-shaped draw-in groove (4) and the second U-shaped draw-in groove (5) are respectively arranged with the first bracing frame (8) and the second bracing frame (9).
2. as claimed in claim 1 for the fixed support of car acpistocs experiment, it is characterized in that: described first bracing frame (8) comprises the first support bar (8-1) and the second support bar (8-2), two limits that described first support bar (8-1) and the second support bar (8-2) are set in the first U-shaped draw-in groove (4) respectively can move forward and backward along the first U-shaped draw-in groove (4), described first support bar (8-1) and the second support bar (8-2) are provided with the first pivot point (8-3), described first pivot point (8-3) is provided with the first fixture (8-4).
3. as claimed in claim 1 for the fixed support of car acpistocs experiment, it is characterized in that: described second bracing frame (9) comprises the 3rd support bar (9-1) and the 4th support bar (9-2), two limits that described 3rd support bar (9-1) and the 4th support bar (9-2) are set in the second U-shaped draw-in groove (5) respectively can move forward and backward along the second U-shaped draw-in groove (5), described 3rd support bar (9-1) and the 4th support bar (9-2) are provided with the second pivot point (9-3), described second pivot point (9-3) is provided with the second fixture (9-4).
4. as claimed in claim 1 for the fixed support of car acpistocs experiment, it is characterized in that: the headrest size in the distance between described first U-shaped draw-in groove (4) and the second U-shaped draw-in groove (5) and automobile on driver's seat matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448010.6A CN105187961B (en) | 2015-07-27 | 2015-07-27 | Fixation bracket for car acpistocs experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448010.6A CN105187961B (en) | 2015-07-27 | 2015-07-27 | Fixation bracket for car acpistocs experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105187961A true CN105187961A (en) | 2015-12-23 |
| CN105187961B CN105187961B (en) | 2019-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510448010.6A Active CN105187961B (en) | 2015-07-27 | 2015-07-27 | Fixation bracket for car acpistocs experiment |
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| Country | Link |
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| CN (1) | CN105187961B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105933843A (en) * | 2016-06-30 | 2016-09-07 | 奇瑞汽车股份有限公司 | Base frame for testing sound of loudspeaker unit |
| CN108495216A (en) * | 2018-03-14 | 2018-09-04 | 滨州学院 | A kind of computer special microphones fixing device |
| CN112013950A (en) * | 2020-08-31 | 2020-12-01 | 长安马自达汽车有限公司 | Microphone position device and method for testing noise in automobile |
| CN112218216A (en) * | 2020-10-12 | 2021-01-12 | 安徽井利电子有限公司 | Folding type loudspeaker fixing device and using method thereof |
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| BE1016188A6 (en) * | 2006-03-02 | 2006-04-04 | Hollander Ryan S | Microphone mounting clip for e.g. acoustic guitar, has upper and lower vertical support arms with feet having rubber jaws adjusted to grip front and back sides of string instrument, where belt receiving microphone is fixed to lower arm |
| 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 |
| CN201872687U (en) * | 2010-07-26 | 2011-06-22 | 宁波拓普制动系统有限公司 | Adjustable fixing device for vehicle inner microphone |
| CN103347223A (en) * | 2013-07-02 | 2013-10-09 | 无锡吉兴汽车声学部件科技有限公司 | Acoustic automobile component R-Cabin reverberation box microphone positioning structure |
| CN103511802A (en) * | 2013-09-06 | 2014-01-15 | 吉林大学 | Microphone support for in-vehicle acoustic mode measurement and testing |
| CN203965037U (en) * | 2014-07-04 | 2014-11-26 | 无锡吉兴汽车声学部件科技有限公司 | Many microphones stationary installation for car load acoustical testing |
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2015
- 2015-07-27 CN CN201510448010.6A patent/CN105187961B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| BE1016188A6 (en) * | 2006-03-02 | 2006-04-04 | Hollander Ryan S | Microphone mounting clip for e.g. acoustic guitar, has upper and lower vertical support arms with feet having rubber jaws adjusted to grip front and back sides of string instrument, where belt receiving microphone is fixed to lower arm |
| CN201872687U (en) * | 2010-07-26 | 2011-06-22 | 宁波拓普制动系统有限公司 | Adjustable fixing device for vehicle inner microphone |
| 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 |
| CN103347223A (en) * | 2013-07-02 | 2013-10-09 | 无锡吉兴汽车声学部件科技有限公司 | Acoustic automobile component R-Cabin reverberation box microphone positioning structure |
| CN103511802A (en) * | 2013-09-06 | 2014-01-15 | 吉林大学 | Microphone support for in-vehicle acoustic mode measurement and testing |
| CN203965037U (en) * | 2014-07-04 | 2014-11-26 | 无锡吉兴汽车声学部件科技有限公司 | Many microphones stationary installation for car load acoustical testing |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105933843A (en) * | 2016-06-30 | 2016-09-07 | 奇瑞汽车股份有限公司 | Base frame for testing sound of loudspeaker unit |
| CN108495216A (en) * | 2018-03-14 | 2018-09-04 | 滨州学院 | A kind of computer special microphones fixing device |
| CN108495216B (en) * | 2018-03-14 | 2019-06-25 | 滨州学院 | A kind of fixed device of computer special microphones |
| CN112013950A (en) * | 2020-08-31 | 2020-12-01 | 长安马自达汽车有限公司 | Microphone position device and method for testing noise in automobile |
| CN112218216A (en) * | 2020-10-12 | 2021-01-12 | 安徽井利电子有限公司 | Folding type loudspeaker fixing device and using method thereof |
| CN112218216B (en) * | 2020-10-12 | 2022-03-22 | 安徽井利电子有限公司 | Folding type loudspeaker fixing device and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105187961B (en) | 2019-07-02 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20151223 Assignee: WUXI JIXING AUTO PARTS Co.,Ltd. Assignor: WUXI GISSING AUTO ACOUSTIC PARTS TECH. Co.,Ltd. Contract record no.: X2022990000459 Denomination of invention: Fixed bracket for automotive acoustic experiments Granted publication date: 20190702 License type: Common License Record date: 20220803 |
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| EE01 | Entry into force of recordation of patent licensing contract |