CN104142250B - Vehicle tire noise testing system - Google Patents
Vehicle tire noise testing system Download PDFInfo
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- CN104142250B CN104142250B CN201410342651.9A CN201410342651A CN104142250B CN 104142250 B CN104142250 B CN 104142250B CN 201410342651 A CN201410342651 A CN 201410342651A CN 104142250 B CN104142250 B CN 104142250B
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 24
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The invention discloses a vehicle tire noise testing system which comprises a tire installing and loading device, a tire pavement testing and driving device, a noise testing and analytical processing device and a background noise processing device. The tire installing and loading device is mainly composed of a transverse rod controller, a load hydraulic cylinder, a main cylinder controller and a tested tire. The tire pavement testing and driving device comprises a simulated pavement, a pavement supporting rotary frame, a motor, a frequency converter, a driving belt, a supporting wheel, a thrust bearing, an inner supporting base, an outer supporting base, a sleeve base and a base. The noise testing and analytical processing device is composed of a microphone, a tripod, a data interface box, a data processor and a special tire noise testing system. The background noise processing device comprises a noise-proof shield and a noise absorption wall. The vehicle tire noise testing system is simple and compact in structure, low in device background noise and wide in testing speed range.
Description
Technical field
The present invention relates to a kind of device for testing vehicle noise, test system particularly to a kind of vehicle tire noise
System, the noise that main test tire sends on different road surfaces.
Background technology
With increasing of expressway construction and automobile pollution, people's Travel Range is increasing, and people are public at a high speed
Road chance just gets more and more.In the automobile run at high speed, tyre noise becomes the Main Noise Sources of automobile.Existing measuring technology
In, it is mainly used in measuring six-freedom degree kinematic parameter and its with the relation of ground six square phase it is impossible to be used for carrying out tyre noise
The test of aspect and research.
It is, therefore, desirable to provide a kind of vehicle tire noise test system, tire in travelling and road surface effect can be produced
Noise tested, thus study different kinds of tyre material, tread contour etc. different road surfaces produce Noise Mechanism, for high speed row
Sail automobile and tyre noise offer experiment condition is provided.
Content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of vehicle tire noise test system, device background noise
Little, test speed wide ranges and certainty of measurement are high, simple and compact for structure.
The technical solution adopted in the present invention is：A kind of vehicle tire noise test system, installs including tire and loads
Device, tire test road surface and driving means, noise testing and APU, described tire is installed and charger is by horizontal stroke
Rod controller, load hydraulic cylinder, master cylinder controller and detected tyre composition, detected tyre is arranged on cross bar controller and ensures
Detected tyre rotates flexibly on the simulated roadway in tire test road surface and driving means, and load hydraulic cylinder is controlled by cross bar
Device is applied to detected tyre load under master cylinder controller action；
Described tire test road surface and driving means include simulated roadway, road surface supporting rotary frame, motor, frequency converter and base
Seat, described simulated roadway is installed on the supporting rotary frame of road surface, and motor output power drives road surface to support rotation by transmission mechanism
Frame rotates on pedestal, realizes adjusting the rotary speed of road surface supporting rotary frame by Frequency Converter Control motor different rotating speeds,
It is additionally provided with the supporting mechanism for bearing pressure in the lower section of road surface supporting rotary frame；
Described noise testing and APU include microphone data processor, and microphone is arranged on measured wheel
The side of tire is used for receiving the noise signal of detected tyre and generation in simulated roadway relative movement, and this signal is passed through
Data-interface case is transferred to data processor processes, and data processor is connected with frequency converter and master cylinder controller by wire respectively
Connect, to load hydraulic cylinder continuous action after data processor sends instruction, described frequency converter is by data for described master cylinder controller
Processor sends instruction control；
It is additionally provided with for the acoustic wall of reflecting background and blimp when reducing microphone measurement, described blimp is arranged
In the outside of road surface supporting rotary frame, motor and transmission mechanism, for by road surface supporting rotary frame, motor and transmission mechanism
The ambient noise isolation sending during action.
Optimize further, described supporting mechanism includes inner support seat, outer support seat and support wheel composition, support wheel is arranged on
Between inner support seat, outer support seat and road surface supporting rotary frame, the pressure on the supporting rotary frame of road surface is by some to support wheel
It is applied on inner support seat and outer support seat.
Optimize further, described pedestal is made up of the support post fixing base plate He be vertically set on fixing base plate.
Optimize further, described inner support seat is arranged on the support post of pedestal by receiver, for undertaking road surface
Supporting rotary frame and the weight of simulated roadway inboard portion.
Optimize further, described outer support seat is arranged on the fixing base plate of pedestal, for undertaking road surface supporting rotary frame
Weight with simulated roadway Outboard Sections.
Optimize further, described road surface supporting rotary frame can install different simulated roadways, and is supported by thrust bearing.
Optimize further, be additionally provided with tripod, be used for installing and debug microphone height and orientation by tripod.
Optimize further, the section of described blimp is circular or square, and its interlayer material is sound absorption cotton or mineral wool
In any one.
Optimize further, described acoustic wall can make wedge absorber or aperture resonant cavity.
Optimize further, described transmission mechanism is any one in V belt translation, Chain conveyer or gear drive.
Beneficial effect：The present invention provides a kind of vehicle tire noise test system, installs and charger, wheel including tire
Tire Surface of Trial Pavement and driving means, noise testing and APU, ambient noise processing meanss, install cross bar by tire
The tire of different model and size installed by controller, and master cylinder controller, load hydraulic cylinder are loaded to tire, and simulated roadway is pacified
On the supporting rotary frame of dress road surface, different rotating speeds are realized by Frequency Converter Control motor, its power drives road surface to prop up by transmission belt
Support swivel mount rotation, is mounted with that the road surface supporting rotary frame support wheel of simulated roadway is applied to interior by least 3 pairs of support wheels
Support seat and outer support seat, are finally applied to pedestal, pass through data-interface case, data processing using the noise signal that microphone records
Device, noise measuring system is analyzed processing, and the ambient noise that equipment motor, thrust bearing etc. send in itself is entered by blimp
Row is processed, and acoustic wall reduces reflecting background during microphone measurement, thus improving certainty of measurement, simple and compact for structure, device is carried on the back
Scape noise is little, test speed wide ranges.
Brief description
Fig. 1 is embodiment of the present invention structural representation；
Fig. 2 does not include the H direction view of noise-measuring system for Fig. 1.
In figure marks：1st, data processor, 2, data-interface case, 3, tripod, 4, microphone, 5, detected tyre, 6, negative
Carrier fluid cylinder pressure, 7, cross bar controller, 8, master cylinder controller, 9, receiver, 10, inner support seat, 11, simulated roadway, 12, sound absorption
Wall, 13, blimp, 14, motor, 15, frequency converter, 16, transmission mechanism, 17, thrust bearing, 18, road surface supporting rotary frame, 19,
Support wheel, 20, outer support seat, 21, pedestal.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the invention are elaborated, the present embodiment is front with technical solution of the present invention
Carry, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following embodiments.
As illustrated, a kind of vehicle tire noise test system, install and charger, tire test road surface including tire
And driving means, noise testing and APU,
Described tire is installed and charger is by cross bar controller 7, load hydraulic cylinder 6, master cylinder controller 8 and detected tyre
5 compositions, described detected tyre 5 is the tire of the different model of vehicles, and detected tyre 5 is arranged on cross bar controller 7 simultaneously
Ensure that detected tyre 5 rotates flexibly on the simulated roadway 11 in tire test road surface and driving means, load hydraulic cylinder 6 passes through
Cross bar controller 7 is applied to detected tyre 5 load under master cylinder controller 8 effect, is simulated not by the size adjusting load
With the noise producing under operating mode, cross bar controller 7 specifically described herein can adopt a rod component, its one end and measured wheel
Tire connects and ensures that tire is free to rotate, and the top of rod component is provided with load hydraulic cylinder, under master cylinder controller 8 effect,
The telescopic end of load hydraulic cylinder is pressed on rod component to be realized to detected tyre 5 imposed load；
Described tire test road surface and driving means include simulated roadway 11, road surface supporting rotary frame 18, motor 14, frequency conversion
Device 15 and pedestal 21, described simulated roadway 11 is installed on road surface supporting rotary frame 18, and can pass through the different simulated roadways of replacing can
To obtain the test result under different operating modes, motor 14 output power simultaneously drives road surface supporting rotary frame 18 by transmission mechanism 16
Pedestal 21 rotates, realizes adjusting the rotation of road surface supporting rotary frame 18 by frequency converter 15 controlled motor 14 different rotating speeds
Speed, is additionally provided with the supporting mechanism for bearing pressure in the lower section of road surface supporting rotary frame 18, and this supporting mechanism is arranged on base
On seat, so since load hydraulic cylinder be applied to the pressure of tire and can act on pedestal by supporting mechanism, to ensure in survey
Road surface supporting rotary frame 18 stability of rotation during examination；
Described noise testing and APU include microphone 4 data processor 1, microphone 4 be arranged on by
The side of measuring wheel tire 5 is used for receiving the noise signal of detected tyre 5 and generation in simulated roadway 11 relative movement, and should
Signal is transferred to data processor 1 by data-interface case 2 and processes, data processor 1 pass through respectively wire and frequency converter 15 and
Master cylinder controller 8 is connected, and described master cylinder controller 8 is persistently made to load hydraulic cylinder 6 after data processor 1 sends instruction
With described frequency converter 15 sends instruction controlled motor by data processor 1；
It is additionally provided with for the acoustic wall 12 of reflecting background and blimp 13 when reducing microphone measurement, described blimp
13 outsides being arranged on road surface supporting rotary frame 18, motor 14 and transmission mechanism 16, for sending during by above-mentioned component actuation
Ambient noise isolate so as to be not transferred to microphone.
In the present invention, in order to realize optimal effectiveness, described supporting mechanism includes inner support seat 10, outer support seat 20 and supports
Wheel 19 composition, support wheel 19 is arranged between inner support seat 10, outer support seat 20 and road surface supporting rotary frame 18, and road surface supports rotation
Pressure on pivoted frame 18 is applied on inner support seat 10 and outer support seat 20 to support wheel 19 by some；Described pedestal 21 by
Fixing base plate and the support post composition being vertically set on fixing base plate；Described inner support seat 10 is arranged on by receiver 9
On the support post of pedestal 21, for undertaking the weight of road surface supporting rotary frame and simulated roadway inboard portion, described outer support
Seat 20 is directly installed on the fixing base plate of pedestal, for undertaking the weight of road surface supporting rotary frame and simulated roadway Outboard Sections
Amount.
In order to simulate the noise under different road conditions, different simulated roadways, road can will be installed on the supporting rotary frame of road surface
Face supporting rotary frame 18 is simultaneously supported on the support post of pedestal 21 by thrust bearing 17.
This programme, is also provided with tripod 3, is used for installing and debug microphone 4 height and orientation by tripod 3,
Can be using the A-frame in photography, described microphone 4 is standard component, can be 1 inch, 1/2 inch, 1/4 inch, not office
It is limited to this, noise signal can be passed to data processor 1, described data processor 1, data-interface by data-interface case 2
Case 2 receives microphone 4 and transmits noise signal, and can carry out the conversion of the analytic transformations such as FFT, octave.
Described data processor 1 as herein described can be desktop computer, and notebook, it is not limited to this, is provided with
Special noise measuring system.
This programme, described road surface supporting rotary frame 18 is driven by motor 14, frequency converter 15, transmission mechanism 16, realizes simulation
The rotary motion on road surface 11, described transmission mechanism can using belt drive for example cog belt, flat rubber belting, metal tape it is also possible to
Using Chain conveyer or gear drive.
Optimize the program further, described blimp 13 section can be circular, square, its material can be had from any
The material of soundproof effect, preferentially selects blimp to be double-decker, can be sound absorption cotton or mineral wool in its interlayer, not office
It is limited to this, those skilled in the art rationally can be converted according to principles described herein.
Further optimize the program, described acoustic wall 12 can make wedge absorber, aperture resonant cavity it is not limited to
This, those skilled in the art rationally can be converted according to principles described herein.
It is rotary drum that the optimization program further, described tire test road surface and driving means include simulated roadway 11 may also be
Formula, may also be flat rubber belting formula it is not limited to this, those skilled in the art rationally can be become according to principles described herein
Change.
The course of work is as follows：The detected tyre of different model and size installed by cross bar controller, and to master cylinder controller, negative
Carrier fluid cylinder pressure loads to tire, and simulated roadway is installed on the supporting rotary frame of road surface, realizes different turning by Frequency Converter Control motor
Speed, its power drives road surface supporting rotary frame rotation by transmission belt, is mounted with the weight of the road surface supporting rotary frame of simulated roadway
Power is applied to inner support seat and outer support seat by least 3 pairs of support wheels, and inner support seat is applied to pedestal by receiver, props up outward
Support seat is applied directly on pedestal；Microphone is arranged on tripod, passes through data wire using the noise signal that microphone records
It is transferred on data-interface case, be mounted with that the data processor of special noise measuring system is analyzed to noise signal processing,
And device is included the ambient noise that motor, thrust bearing etc. send in itself and processed by blimp, acoustic wall reduces transaudient
Reflecting background during device 4 measurement, thus improve the certainty of measurement of tyre noise.
It is prior art that the present invention does not describe part.
Claims (4)
1. a kind of vehicle tire noise test system, including tire install and charger, tire test road surface and driving means,
Noise testing and APU it is characterised in that：
Described tire is installed and charger is made up of cross bar controller, load hydraulic cylinder, master cylinder controller and detected tyre, quilt
Measuring wheel tire is arranged on cross bar controller and ensures detected tyre on the simulated roadway in tire test road surface and driving means
Rotate flexibly, load hydraulic cylinder is applied to detected tyre load by cross bar controller under master cylinder controller action；
Described tire test road surface and driving means include simulated roadway, road surface supporting rotary frame, motor, transmission mechanism, support
Mechanism, frequency converter and pedestal, the top of described road surface supporting rotary frame is provided with the mounting groove for installing simulated roadway, motor
Output power drives road surface supporting rotary frame to rotate on pedestal by transmission mechanism, by Frequency Converter Control motor different rotating speeds
To realize the rotary speed of adjustment road surface supporting rotary frame, it is additionally provided with for bearing pressure in the lower section of road surface supporting rotary frame
Supporting mechanism；
Described noise testing and APU include microphone, data-interface case data processor, and microphone is arranged
It is used for receiving the noise signal of detected tyre and generation in simulated roadway relative movement in the side of detected tyre, and should
Signal is transferred to data processor processes by data-interface case, and data processor passes through wire and frequency converter and master cylinder control respectively
Device processed is connected, and described master cylinder controller is after data processor sends instruction to load hydraulic cylinder continuous action, described frequency conversion
Device sends instruction control by data processor；
Described tyre noise test system is additionally provided with for the acoustic wall of reflecting background and sound insulation when reducing microphone measurement
Cover, described blimp is arranged on the outside of road surface supporting rotary frame, motor and transmission mechanism, for road surface is supported rotation
The ambient noise isolation sending when frame, motor and transmission mechanism action；
Described supporting mechanism includes inner support seat, outer support seat, receiver and support wheel, and support wheel is arranged on inner support seat, outer
Between support base and road surface supporting rotary frame, the pressure on the supporting rotary frame of road surface is applied to inner support by some to support wheel
On seat and outer support seat；
Described pedestal is made up of the support post fixing base plate He be vertically set on fixing base plate；
Described inner support seat is arranged on the support post of pedestal by receiver, for undertaking road surface supporting rotary frame and simulation
The weight of road surface inboard portion；Described outer support seat is arranged on the fixing base plate of pedestal, for undertaking road surface supporting rotary frame
Weight with simulated roadway Outboard Sections；
The section of described blimp is circular or square, and its interlayer material is sound absorption cotton or mineral wool；
Described acoustic wall makes wedge absorber or aperture resonant cavity.
2. as claimed in claim 1 a kind of vehicle tire noise test system it is characterised in that：Described road surface supporting rotary frame
Different simulated roadways can be installed, and supported by thrust bearing.
3. as claimed in claim 1 a kind of vehicle tire noise test system it is characterised in that：Described tyre noise test
System is additionally provided with tripod, is used for installing and debug microphone height and orientation by tripod.
4. as claimed in claim 1 a kind of vehicle tire noise test system it is characterised in that：Described transmission mechanism is band
Transmission, Chain conveyer or gear drive.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342651.9A CN104142250B (en) | 2014-07-17 | 2014-07-17 | Vehicle tire noise testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342651.9A CN104142250B (en) | 2014-07-17 | 2014-07-17 | Vehicle tire noise testing system |
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| CN104142250A CN104142250A (en) | 2014-11-12 |
| CN104142250B true CN104142250B (en) | 2017-02-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900352A (en) * | 2017-12-07 | 2019-06-18 | 东洋橡胶工业株式会社 | Tire noise experimental rig and method |
| CN109900353A (en) * | 2017-12-07 | 2019-06-18 | 东洋橡胶工业株式会社 | Tire noise experimental rig and method |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2610547C2 (en) * | 2015-07-23 | 2017-02-13 | Открытое акционерное общество "АВТОВАЗ" | Method for measuring tyre noise of vehicle in motion |
| CN105277275B (en) * | 2015-11-10 | 2019-03-19 | 吉林大学 | Automobile tire road rumble is test bed |
| CN106441880A (en) * | 2016-11-16 | 2017-02-22 | 中国船舶重工集团公司第七0三研究所 | An experience pre-estimating method for gear case noises |
| CN109187056B (en) * | 2018-09-20 | 2021-03-16 | 中信戴卡股份有限公司 | Wheel suspension test bench with real road surface characteristics |
| CN110455395B (en) * | 2019-08-28 | 2021-07-27 | 哈尔滨工业大学 | Weight-moving type double-wheel noise detection vehicle for tire-road noise test |
| CN113567156A (en) * | 2021-07-22 | 2021-10-29 | 青岛双星轮胎工业有限公司 | Device and method for testing tire noise by using semi-anechoic chamber flat steel belt testing machine |
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Inventor after: Zhao Haijun Inventor after: Wang Guohua Inventor after: Chang Jiadong Inventor after: Wang Haixia Inventor after: Ma Fugui Inventor after: Li Hong Inventor after: Chen Daliang Inventor before: Zhao Haijun Inventor before: Wang Guohua Inventor before: Chang Jiadong Inventor before: Wang Haixia Inventor before: Ma Fugui Inventor before: Li Hong |
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Effective date of registration: 20180425 Address after: 300222 Dagu South Road, Jinnan District, Tianjin Patentee after: TIANJIN University OF TECHNOLOGY AND EDUCATION Address before: 471000 Fang Ze Road, hi tech Industrial Development Zone, Luoyang, Henan Patentee before: Luoyang Institute Of Science And Technology |
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Effective date of registration: 20231221 Address after: 300000 Tianjin Haihe Education Park, Jinnan District, Tianjin Haitang Science and Technology Innovation Park YZ-401-1 Patentee after: Tianjin Yantuo Technology Co.,Ltd. Address before: 300222 Dagu South Road, Jinnan District, Tianjin Patentee before: TIANJIN University OF TECHNOLOGY AND EDUCATION |