CN202066585U - Sound sensor support for in-vehicle noise detection - Google Patents

Sound sensor support for in-vehicle noise detection Download PDF

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Publication number
CN202066585U
CN202066585U CN2011200653141U CN201120065314U CN202066585U CN 202066585 U CN202066585 U CN 202066585U CN 2011200653141 U CN2011200653141 U CN 2011200653141U CN 201120065314 U CN201120065314 U CN 201120065314U CN 202066585 U CN202066585 U CN 202066585U
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CN
China
Prior art keywords
connecting rod
vertical connecting
transverse link
sound transducer
fixed block
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Expired - Fee Related
Application number
CN2011200653141U
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Chinese (zh)
Inventor
张庆军
宋百忠
王海林
刘强
马芳武
赵福全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lanzhou Jili Automobile Industry Co., Ltd.
Zhejiang Geely Holding Group Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Priority to CN2011200653141U priority Critical patent/CN202066585U/en
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Publication of CN202066585U publication Critical patent/CN202066585U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a sound sensor support for in-vehicle noise detection. The purpose is to provide a sound sensor support for in-vehicle noise detection, which can adjust the sensor installation height, horizontal position and the included angle between the sensor and the horizontal surface conveniently and simultaneously. The utility model comprises a sound sensor fixed frame; the upper end surface of the fixed frame is provided with a semicircle groove which is consistent with the profile of the sound sensor; the lower end surface is hinged to a vertical connecting rod; the vertical connecting rod is movably connected with a transverse connecting rod; the transverse connecting rod is connected with a fixed block; and one end of the fixed block is provided with a fixed mechanism which can be fixed to the in-vehicle seat headrest support bar. In the utility model, the sensor horizontal height, horizontal position and the included angle between the sensor and the horizontal surface can be adjusted respectively, thus accurate positioning of the sound sensor in vehicle can be guaranteed, the detection precision is guaranteed, the installation and adjustment is convenient, and the sound sensor support for in-vehicle noise detection is in favor of multi-position detection in vehicle.

Description

A kind of sound transducer support that is used for noise measuring in the car
Technical field
The utility model relates to the detection tooling device field of automobile making, and in particular, the utility model is the employed a kind of sound transducer support of sound transducer for convenient, accurate installation and measuring noise in car.
Background technology
Along with people are more and more higher to automobile internal car noise performance requirement, each main engine plants commercial city constantly reduces internal car noise, and sound transducer (for example microphone) is as the key instrument of internal car noise test, the test of automobile internal car noise must be fixed on sound transducer (microphone) on the headrest, the position of sound transducer has strict requirement, need for this reason a kind of easy for installation, the sound transducer support of accurate positioning.
Patent Office of the People's Republic of China has announced a CN201600389U document on October 6th, 2010, name is called a kind of sensor stand, this sensor stand utilizes chuck and jack column bar easily probe to be installed on the various fixed sturctures, and is convenient to use.This sensor stand comprises chuck and cradling piece; Wherein, chuck includes anchor clamps and stationary installation; Cradling piece is a kind of telescoping shoring column bar, includes: the support tube locking device and the support tube erecting device of first support tube that can connect together and second support tube, scalable first support tube and the second support tube socket lap length; Telescoping shoring column bar one end is fixed on the chuck by the support tube erecting device, and the other end is provided with the sensor connecting portion.The shortcoming of this sensor stand is: first support tube and the overlapping placement of second support tube, when regulating first support tube and the second support tube socket lap, can only regulate the placement location of sensor in a direction, promptly can not regulate the placement height of sensor and the horizontal level of sensor simultaneously, and can not regulate the corner dimension of sensor axis and surface level, and in carrying out car during noise measuring, accurately adjusting position, angle that sound transducer is installed all is necessary for improving the precision that detects.
Summary of the invention
The shortcoming that the utility model can not be adjusted for the angle of the height that solves the sensor that exists in the prior art and install and horizontal level adjustment simultaneously and sensor and surface level provides a kind of sound transducer support that is used for the interior noise measuring of car that can adjust the angle of height, horizontal level and sensor that sensor installs and surface level easily simultaneously.
The technical scheme that its technical matters that solves the utility model adopts is: the utility model comprises the sound transducer fixed mount, the upper surface of fixed mount is provided with and the corresponding to semi-circular recesses of sound transducer profile, the lower surface of fixed mount is hinged with vertical connecting rod, vertical connecting rod flexibly connects transverse link, transverse link flexibly connects fixed block, an end of fixed block be provided with can with the fixing fixed mechanism of chair headrest cradling piece in the car.Sound transducer is placed in the semi-circular recesses of fixed mount upper surface, fixed mount and vertical rod hinge connection, the angle that the hinge angle of adjusting fixed mount and vertical connecting rod can be regulated sound transducer and surface level; Vertical connecting rod and transverse link flexibly connect, and the link position of regulating vertical connecting rod and transverse link can be regulated the placement height of sound transducer; Transverse link and fixed block flexibly connect, and the annexation of regulating transverse link and fixed block can be regulated the horizontal level of sound transducer.
As preferably, the semi-circular recesses inside surface of fixed mount is coated with elastic body, and elastic body is rubber or polyfoam or spring leaf.Semi-circular recesses inside surface at fixed mount covers elastic body, can easily sound transducer be snapped in the elastic body in the semi-circular recesses, also can not drop when sound transducer is not horizontal positioned, and is easy for installation.
As preferably, the end that transverse link links to each other with vertical connecting rod is provided with manhole, and the end that vertical connecting rod is connected with transverse link is pipe and passes manhole and transverse link flexibly connects that a side of the manhole of transverse link is provided with clamping screw.Vertical connecting rod can move up and down in the through hole of transverse link, thereby regulates the fixed mount height that is connected on the vertical connecting rod, locks with clamping screw after adjusting is finished.
As preferably, the end that transverse link links to each other with vertical connecting rod is fixedly connected with transiting rod, the cross section of transiting rod is greater than the cross section of transverse link, transiting rod is provided with manhole, the end that vertical connecting rod is connected with transverse link is pipe and passes manhole on the transiting rod and transiting rod flexibly connects, and is provided with the clamping screw that can lock vertical connecting rod at the end face of transiting rod.The bigger transiting rod in cross section helps vertical connecting rod and passes, thereby reduces the cross section of transverse link, and can make transverse link with hollow tubular, reduces the weight of entire bracket, saves material.
As preferably, the end that fixed block is connected with transverse link is provided with the circular counter bore that can hold transverse link one end, transverse link is made by pipe, one end of transverse link inserts circular counter bore and fixed block flexibly connects, and the horizontal end face of fixed block is provided with clamping screw vertical with circular counter bore and that be connected.Transverse link is caused by pipe, can rotate and regulate the degree of depth that transverse link inserts circular counter bore in the circular counter bore of pipe insertion fixed block, can regulate the horizontal level of the fixed mount that is connected vertical interlinking lever end and the angle of fixed mount and surface level by the insertion depth that rotates transverse link and adjusting transverse link, lock with clamping screw after adjustment is finished.
As preferably, fixed block is provided with second circular counter bore of held transverse link one end perpendicular and that join with the clamping screw that is arranged on the fixed block with circular counter bore at the adjacent vertical plane that is provided with circular counter bore one side, and an end of transverse link inserts second circular counter bore and fixed block flexibly connects.Transverse link is changed to second circular counter bore from circular counter bore transverse link can be rotated 90 degree, thereby change the horizontal level of fixed mount on a large scale.
As preferably, the fixed mechanism of fixed block one end comprises and is arranged on the fixed block end, can holds seat headrest support bar and the groove vertical with circular counter bore, second circular counter bore and is arranged on the clamping screw of groove one side.The height of headrest of automotive seat is generally all adjusted by headrest support, the chair headrest support generally is made up of two steel pipes, therefore can utilize the chair headrest support to fix sensor stand, the groove of fixed block one end is enclosed within on the steel pipe in the chair headrest support, with clamping screw locking, just can fix sensor stand easily again; Thereby the groove on the fixed block can rotate the horizontal level that changes fixed mount around the chair headrest support.
As preferably, the end end face that vertical connecting rod links to each other with fixed mount is provided with boss, vertical rod hinge connection is on boss, link to each other with the vertical connecting rod end face of a side of fixed mount is cambered surface, cambered surface contacts the axis normal of the osculatory of line contact and the semi-circular recesses of fixed mount upper surface with the end face formation line that vertical connecting rod is provided with boss.The hinged angular setting that has realized fixed mount and surface level of vertical connecting rod and fixed mount, and the cambered surface of fixed mount contacts with the line of vertical connecting rod, fixed mount was rotated along vertical connecting rod, can prevent that again fixed mount from arbitrarily rotating along vertical connecting rod, guarantee the stability and the adjustable of fixed mount.
As preferably, the end that vertical connecting rod links to each other with transverse link is provided with screw thread, and an end that is provided with circular counter bore at fixed block is provided with the screw that matches with vertical connecting rod screw thread.When not detecting, vertical connecting rod directly can be connected with fixed block, be easy to carry.
The beneficial effects of the utility model are: horizontal level, level height, the horizontal sextant angle that can adjust sound transducer respectively, thereby guaranteed the accurate location of sound transducer in automobile, guaranteed the precision that detects, installation is all very convenient with adjustment, and a plurality of positions that help in car are detected.
Description of drawings
Fig. 1 is a kind of structural representation that the utility model is used for the sound transducer support of noise measuring in the car;
Fig. 2 is a kind of structural representation of fixed mount and vertical connecting rod;
Fig. 3 is a kind of synoptic diagram of installing and using that the utility model is used for the sound transducer support of noise measuring in the car;
Fig. 4 the utility model is used for the another kind of structural representation of the sound transducer support of noise measuring in the car.
Among the figure: 1. fixed block, 2. transverse link, 3. vertical connecting rod, 4. fixed mount, 5. clamping screw, 6. semi-circular recesses, 7. chamfering, 8. transiting rod, 9. cambered surface, 10. boss, 11. screw, 12. screw threads, 13. second circular counter bore, 14. groove, 15. circular counter bore, 31 chair headrests, 32. the chair headrest support, 33. sound transducers, 34. sound transducer supports.
Embodiment
Below by specific embodiment, and in conjunction with the accompanying drawings the technical solution of the utility model is described in further detail.
Embodiment 1:
A kind of the utility model of present embodiment is used for the sound transducer support of noise measuring in the car, referring to Fig. 1, comprise fixed block 1, transverse link 2, vertical connecting rod 3, fixed mount 4, transiting rod 8, end at fixed block 1 is provided with the groove 14 that can hold the seat headrest support, side at groove 14 is provided with clamping screw 5, have at the other end of fixed block 1 and can hold transverse link 2 and the circular counter bore 15 vertical with groove 14, be provided with screw 11 on the next door of circular counter bore 15, be provided with second circular counter bore 13 perpendicular in the perpendicular end surface of fixed block 1 with circular counter bore 15 and groove 14, transverse link 2 is made by pipe, also can in counterbore, rotate in the circular counter bore 15 on the one end insertion fixed block 1 of transverse link 2 or second circular counter bore 13, side in the circular counter bore 15 and second circular counter bore 13 also is provided with clamping screw 5, and the screw that this clamping screw 5 is installed is simultaneously with circular counter bore 15 and second circular counter bore 13 is vertical also is communicated with; The fixedly connected transiting rod 8 of the other end of transverse link 2, the transiting rod 8 vertical manholes that vertical connecting rod 3 is passed that are provided with, vertical connecting rod 3 can move up and down in through hole, on the end face of transiting rod 8, be provided with clamping screw 5 and be used to lock vertical connecting rod 3, vertical connecting rod 3 is made by pipe, one end of vertical connecting rod 3 is provided with the screw thread 12 that matches with screw 11, the other end Connection Bracket 4 of vertical connecting rod 3, fixed mount 4 is hinged on the upper end of vertical connecting rod 3, be provided with the semi-circular recesses 6 that can hold sound transducer 33 in the upper surface of fixed mount 4, in semi-circular recesses 6, stick on the surface of semi-circular recesses 6 with rubber slab.
Referring to Fig. 2, an end that links to each other with fixed mount 4 at vertical connecting rod 3 is provided with boss 10, and boss 10 has through hole, and fixed mount 4 is hinged on the through hole of boss 10, the end that fixed mount 4 is connected with vertical connecting rod 3 is a cambered surface 9, and cambered surface 9 forms line with the end face of vertical connecting rod 3 and contacts.
Referring to Fig. 3, be inserted into the groove on the fixed block in the sound transducer support 34 1 on the chair headrest support 32 and rotate to suitable angle, the clamping screw 5 of piece 1 groove one side that is locked, sound transducer 33 is snapped in the semi-circular recesses 6 of the fixed mount 4 in the sound transducer support 34, utilize the elastic force of rubber that sound transducer 33 is blocked, sound transducer 33 is microphones in the present embodiment, can adjust the horizontal level of sound transducer 33 and the angle of sound transducer 33 and surface level by the degree of depth that transverse link 2 in the rotation sound transducer support 34 and change transverse link 2 insert circular counter bore 15, locking was arranged on the clamping screw 5 of fixed block 1 counterbore one side after adjustment finished, the relative position that moves vertical connecting rod 3 and transiting rod 8 can be adjusted the high and low position of sound transducer 33, locking was arranged on the clamping screw 5 of transiting rod 8 ends after adjustment finished, the relative hinge angle of rotational fixation frame 4 and vertical connecting rod 3, can adjust the angle of sound transducer 33 and surface level, because the cambered surface 9 of fixed mount 4 forms line with the end face of vertical connecting rod 3 and contacts, after adjustment finished, fixed mount 4 can arbitrarily not swung; Transverse link 2 is inserted the horizontal level that second circular counter bore 13 can change fixed mount 4 on a large scale, and adjustment process is identical with insertion circular counter bore 15.Fixed block 1 is taken off after finishing to detecting, vertical connecting rod 3 is taken out from transiting rod 8, an end that is provided with screw thread of vertical connecting rod 3 is connected with screw on the fixed block 1, can be convenient for carrying.
In semi-circular recesses 6, also can stick on the surface of semi-circular recesses 6, or in semi-circular recesses 6, spring leaf is set with polyfoam.
Embodiment 2:
A kind of the utility model of present embodiment is used for the sound transducer support of noise measuring in the car, referring to Fig. 4, transverse link 2 directly is connected with vertical connecting rod 3 as different from Example 1, transverse link 2 adopts iron staff, end at transverse link 2 is provided with through hole, is provided with clamping screw 5 at the end face that is provided with through hole one end.All the other are identical with embodiment 1, repeat no more.
Above embodiment is one of preferred plan of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.

Claims (10)

1. sound transducer support that is used for noise measuring in the car, comprise the sound transducer fixed mount, it is characterized in that: the upper surface of described fixed mount is provided with and the corresponding to semi-circular recesses of described sound transducer profile, the lower surface of described fixed mount is hinged with vertical connecting rod, described vertical connecting rod flexibly connects transverse link, described transverse link flexibly connects fixed block, an end of described fixed block be provided with can with the fixing fixed mechanism of chair headrest cradling piece in the car.
2. a kind of sound transducer support that is used for noise measuring in the car according to claim 1, it is characterized in that: the semi-circular recesses inside surface of described fixed mount is coated with elastic body, and described elastic body is rubber or polyfoam or spring leaf.
3. a kind of sound transducer support that is used for noise measuring in the car according to claim 1, it is characterized in that: described transverse link is provided with manhole with the end that described vertical connecting rod links to each other, the end that described vertical connecting rod is connected with described transverse link is pipe and passes described manhole and the flexible connection of described transverse link that one side of the manhole of described transverse link is provided with clamping screw.
4. a kind of sound transducer support that is used for noise measuring in the car according to claim 1, it is characterized in that: described transverse link is fixedly connected with transiting rod with the end that described vertical connecting rod links to each other, the cross section of described transiting rod is greater than the cross section of described transverse link, described transiting rod is provided with manhole, the end that described vertical connecting rod is connected with described transverse link is pipe and passes manhole on the described transiting rod and described transiting rod flexibly connects, and is provided with the clamping screw that can lock described vertical connecting rod at the end face of described transiting rod.
5. according to claim 1 or 2 or 3 or 4 described a kind of sound transducer supports that are used for noise measuring in the car, it is characterized in that: the end that described fixed block is connected with described transverse link is provided with the circular counter bore that can hold described transverse link one end, described transverse link is made by pipe, one end of described transverse link inserts described circular counter bore and described fixed block flexibly connects, and the horizontal end face of described fixed block is provided with clamping screw vertical with described circular counter bore and that be connected.
6. a kind of sound transducer support that is used for noise measuring in the car according to claim 5, it is characterized in that: described fixed block is provided with second circular counter bore of holding described transverse link one end perpendicular and that join with the clamping screw that is arranged on the described fixed block with described circular counter bore at the adjacent vertical plane that is provided with described circular counter bore one side, and an end of described transverse link inserts described second circular counter bore and described fixed block flexibly connects.
7. a kind of sound transducer support that is used for noise measuring in the car according to claim 6 is characterized in that: the fixed mechanism of described fixed block one end comprises and is arranged on described fixed block end, can holds described chair headrest cradling piece and the groove vertical with described circular counter bore, described second circular counter bore and is arranged on the clamping screw of described groove one side.
8. a kind of sound transducer support that is used for noise measuring in the car according to claim 7, it is characterized in that: the end end face that described vertical connecting rod links to each other with described fixed mount is provided with boss, described vertical rod hinge connection is on described boss, link to each other with the described vertical connecting rod end face of a side of described fixed mount is cambered surface, described cambered surface contacts the axis normal of the osculatory of described line contact and the semi-circular recesses of described fixed mount upper surface with the end face formation line that described vertical connecting rod is provided with boss.
9. according to claim 1 or 2 or 3 or 4 described a kind of sound transducer supports that are used for noise measuring in the car, it is characterized in that: the end end face that described vertical connecting rod links to each other with described fixed mount is provided with boss, described vertical rod hinge connection is on described boss, link to each other with the described vertical connecting rod end face of a side of described fixed mount is cambered surface, described cambered surface contacts the axis normal of the osculatory of described line contact and the semi-circular recesses of described fixed mount upper surface with the end face formation line that described vertical connecting rod is provided with boss.
10. a kind of sound transducer support that is used for noise measuring in the car according to claim 5, it is characterized in that: the end that described vertical connecting rod links to each other with described transverse link is provided with screw thread, and an end that is provided with described circular counter bore at described fixed block is provided with the screw that matches with described vertical connecting rod screw thread.
CN2011200653141U 2011-03-14 2011-03-14 Sound sensor support for in-vehicle noise detection Expired - Fee Related CN202066585U (en)

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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
CN104197153A (en) * 2014-08-18 2014-12-10 威宝摄影器材有限公司 Automotive mobile terminal clamping device
CN104776911A (en) * 2015-04-24 2015-07-15 无锡吉兴汽车声学部件科技有限公司 Microphone fixing device for saloon car exterior tire noise testing
CN104776874A (en) * 2015-03-13 2015-07-15 甘肃省地震局 Sensor mounting bracket
CN105181346A (en) * 2015-08-25 2015-12-23 富卓汽车内饰(安徽)有限公司 Automotive seat back abnormal sound on-line detection system
CN105300509A (en) * 2014-05-29 2016-02-03 国网山西省电力公司电力科学研究院 Extension rod for noise detection
CN105791622A (en) * 2016-04-29 2016-07-20 安徽宝葫芦信息科技集团股份有限公司 File fixing device of large-format scanner
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CN107631743A (en) * 2016-07-18 2018-01-26 天津职业技术师范大学 A kind of fixing device of position adjustable cylinder shape sensor
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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
CN109323756A (en) * 2018-09-07 2019-02-12 江苏中聚检测服务有限公司 A kind of device for noise radiation detection
CN110346036A (en) * 2018-04-03 2019-10-18 上海汽车集团股份有限公司 A kind of deflecting positioning device of acoustical testing inductive head
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CN104197153A (en) * 2014-08-18 2014-12-10 威宝摄影器材有限公司 Automotive mobile terminal clamping device
CN104197153B (en) * 2014-08-18 2016-09-07 威宝摄影器材有限公司 A kind of automobile-used movable terminal clamping device
CN104776874A (en) * 2015-03-13 2015-07-15 甘肃省地震局 Sensor mounting bracket
CN104776911A (en) * 2015-04-24 2015-07-15 无锡吉兴汽车声学部件科技有限公司 Microphone fixing device for saloon car exterior tire noise testing
CN105181346A (en) * 2015-08-25 2015-12-23 富卓汽车内饰(安徽)有限公司 Automotive seat back abnormal sound on-line detection system
CN105181346B (en) * 2015-08-25 2018-02-16 富卓汽车内饰(安徽)有限公司 The chair back abnormal sound on-line detecting system of automotive seat
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