CN108362509A - It is a kind of consider vehicle rotary tire in operatic tunes sound pressure signal testing method - Google Patents
It is a kind of consider vehicle rotary tire in operatic tunes sound pressure signal testing method Download PDFInfo
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- CN108362509A CN108362509A CN201810088517.9A CN201810088517A CN108362509A CN 108362509 A CN108362509 A CN 108362509A CN 201810088517 A CN201810088517 A CN 201810088517A CN 108362509 A CN108362509 A CN 108362509A
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- tire
- operatic tunes
- sound pressure
- distribution map
- pressure signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/025—Tyres using infrasonic, sonic or ultrasonic vibrations
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- General Physics & Mathematics (AREA)
- Tires In General (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention provide it is a kind of consider vehicle rotary tire in operatic tunes sound pressure signal testing method, steps are as follows：One：One aperture is bored to tire tread, the conducting wire of sound pressure sensor is exported from tire inner surface by the aperture, and gives tire patching and mends aperture in fact；Two：Wheel tyre assembly is fixed in tyres durable performance tester base；Rotation test is carried out, obtains the position of operatic tunes acoustic pressure and sound pressure sensor in tire in tire, and then obtain operatic tunes acoustic pressure distribution map in tire；Four：Change intrauterine pressure, tire rotational speed, tire institute are loaded respectively, obtain operatic tunes acoustic pressure distribution map in the tire under various operating modes；In conclusion the present invention realizes the experimental test of operatic tunes sound pressure signal in the tire for considering vehicle rotary, the acoustic pressure distribution map of the operatic tunes in tire is obtained；It is loaded by change tire intrauterine pressure, wheel tyre rotating speed, tire institute, obtain the acoustic pressure distribution map of the operatic tunes in the tire under various operating modes.
Description
Technical field
The present invention provide it is a kind of consider vehicle rotary tire in operatic tunes sound pressure signal testing method, it is related to
Operatic tunes sound pressure signal test method in a kind of automobile tire, it relates to sound in a kind of tire considering vehicle rotary
The testing method of chamber sound pressure signal belongs to automobile vibration and noise control technique field.
Background technology
In recent years, the raising that people require ambient noise causes to being propagated outside tyre noise mechanism of production and vehicle and right
External environment influences and inhibition has carried out numerous studies, but the research influenced on noise in tyre cavity and its on internal car noise compared with
It is few.Internal car noise radio-frequency component is easy to absorb and inhibit, but Middle and low frequency noise is more difficult.Due to interior caused by tire vibration
Low frequency during noise belongs to, the especially frequency of the cavity resonance of tire propagate to car and are difficult to by interior trim usually in 200~300Hz
It absorbs, and then shows apparent, clear frequency content.Pneumatic tire widely used at present generally existing in rolling process is empty
Chamber covibration, therefore test operatic tunes sound pressure signal experiment in the tire of vehicle rotary and be particularly important and necessary, pass through
Test is analyzed and researched, and proposes solution, is finally reached the purpose for reducing tyre noise.
Invention content
1, purpose：The purpose of the present invention is to solve the above problem, provide in a kind of tire considering vehicle rotary
The testing method of operatic tunes sound pressure signal, this method test operatic tunes sound pressure signal by the sound pressure sensor rotated with tire,
Sound pressure sensor angle position residing in tire is tested by the angular transducer rotated with wheel, to obtain rotation
Tire in the operatic tunes the acoustic pressure regularity of distribution.And then it can be by changing tire intrauterine pressure, wheel tyre rotating speed, wheel respectively
Tire institute is loaded, show that the acoustic pressure of the operatic tunes in the tire of rotation is distributed with intrauterine pressure, wheel tyre rotating speed, tire institute stand under load
The rule that lotus changes.
2, technical solution
The present invention provide it is a kind of consider vehicle rotary tire in operatic tunes sound pressure signal testing method, this method
Operatic tunes sound pressure signal in tire is tested by the sound pressure sensor rotated with tire, by being fixed on the experiment of tyres durable performance
The angular transducer shaft of machine support, the angular transducer pedestal rotated with wheel can test sound pressure sensor institute in tire
The position at place obtains the acoustic pressure distribution map of the operatic tunes in rotation tire.By changing tire intrauterine pressure respectively, wheel tyre turns
Speed, tire institute are loaded, obtain the acoustic pressure distribution map of the operatic tunes in the rotation tire under various operating modes.
The present invention is achieved by the following technical programs：
The present invention provide it is a kind of consider vehicle rotary tire in operatic tunes sound pressure signal testing method, feature
It is, it includes the following steps：
Step 1：One sound pressure sensor is fixed on tire inner surface, it, will by boring an aperture to tire tread
The conducting wire of sound pressure sensor is exported from tire inner surface by the aperture, and is given tire patching and mended aperture in fact, to keep the close of tire
Closing property and integrality；
Step 2：Tire is mounted on matching automotive wheel, wheel tyre assembly is fixed on tyres durable
On performance test machine base；Radio telemetry unit and accumulator are fixed on wheel spoke surface, by sound pressure sensor respectively with
Radio telemetry unit is connected with accumulator；The shaft of angular transducer is connect with the holder of tyres durable performance testing machine, angle
The pedestal of degree sensor is connect with wheel tyre assembly；The pedestal for adjusting the angle sensor is allowed to start index and corresponds to tire
Interior sound pressure sensor position；
Step 3：Start tyres durable performance testing machine, wheel tyre assembly is led by tyres durable performance testing machine
Rail starts at the uniform velocity to rotate, wireless remote is received by laptop close to the rotary drum of tyres durable performance testing machine until contact
The signal of measurement equipment, it can be deduced that the position of operatic tunes acoustic pressure and sound pressure sensor in tire in tire, and then obtain wheel
Operatic tunes acoustic pressure distribution map in tire tire；
Step 4：Change tire intrauterine pressure, wheel tyre rotating speed, tire institute are loaded respectively, obtain under various operating modes
Tire in operatic tunes acoustic pressure distribution map；
In conclusion by above-listed four steps, the examination of operatic tunes sound pressure signal in the tire for considering vehicle rotary is realized
Test tries, and obtains the acoustic pressure distribution map of the operatic tunes in tire.By changing tire intrauterine pressure, wheel tyre rotating speed, tire institute
It is loaded, obtain the acoustic pressure distribution map of the operatic tunes in the tire under various operating modes, you can to obtain tire intrauterine pressure, vehicle wheel
Tire rotating speed, tire these factors loaded in the tire of rotation the operatic tunes acoustic pressure distribution map influence rule.
Wherein, " sound pressure sensor " described in step 1 selects domestic existing product, can bear 3bar atmospheric pressure
Power；
Wherein, " tire " described in step 1 selects domestic existing product；
Wherein, " aperture is bored to tire tread " described in step 1, a diameter of 2mm of the aperture；
Wherein, " automotive wheel " described in step 2 selects domestic existing product；
Wherein, " the tyres durable performance testing machine " described in step 2 selects domestic existing product；
Wherein, " radio telemetry unit " described in step 2 selects domestic existing product；
Wherein, " accumulator " described in step 2 selects domestic existing product；
Wherein, " angular transducer " described in step 2 selects domestic existing product；
Wherein, " laptop " described in step 3 selects existing product；
Wherein, " changing tire intrauterine pressure " described in step 4, the specific practice is to pass through automobile tyre inflation
Machine is realized；
Wherein, " changing wheel tyre rotating speed " described in step 4, the specific practice are by changing tyres durable
The rotating speed of performance aircraft rotary drum is realized；
Wherein, " it is loaded to change tire institute " described in step 4, the specific practice is by changing tyres durable
The relative position of performance aircraft rotary drum and tire interface is realized.
3, advantage and effect：The advantage of the invention is that：(1) sound pressure sensor and angle sensor by being rotated with tire
Device obtains the acoustic pressure distribution map of the operatic tunes in tire.(2) by suffered by change tire intrauterine pressure, wheel tyre rotating speed, tire
Load obtains the acoustic pressure distribution map of the operatic tunes in the tire under various operating modes, and then show that tire intrauterine pressure, wheel tyre turn
Speed, tire institute these factors loaded in the tire of rotation the operatic tunes acoustic pressure distribution map influence rule.
Description of the drawings
The tire figure that Fig. 1 is equipped with sound pressure sensor and has punched,
In figure：11 be tire, and 12 be sound pressure sensor, and 13 be aperture.
Fig. 2 (a) is that wheel tyre assembly is mounted on tyres durable performance testing machine front view, (b) is wheel tyre assembly
Mounted on tyres durable performance testing machine left view,
In figure：21 be wheel, and 22 be radio telemetry unit, and 23 be the holder of tyres durable performance testing machine, and 24 be angle
The shaft of sensor, 25 be the pedestal of angular transducer, and 26 be accumulator, and 27 be the pedestal of tyres durable performance testing machine.
Fig. 3 is the rigid schematic diagram for starting tyres durable performance testing machine,
In figure：31 be the guide rail of tyres durable performance testing machine, and 32 be the rotary drum of tyres durable performance testing machine.
Fig. 4 is the operatic tunes in the tire of rotation after tire wheel assembly is contacted with the rotary drum of tyres durable performance testing machine
Sound pressure signal experimental test schematic diagram,
In figure：41 be tire wheel assembly, and 42 be the rotary drum of tyres durable performance testing machine.
Fig. 5 is test method flow chart of the present invention.
Specific implementation mode
In conjunction with the drawings and specific embodiments, the present invention will be further described.
The testing method of operatic tunes sound pressure signal in a kind of tire considering vehicle rotary of the present invention, as shown in Figure 5,
It includes the following steps：
Step 1：The sound pressure sensor (12 in Fig. 1) that one can bear 3bar air pressures is fixed on table in tire with adhesive tape
It is by boring an aperture (13 in Fig. 1) to tire tread that the conducting wire of sound pressure sensor is defeated out of tire on face (11 in Fig. 1)
Go out, and tire patching, keeps the seal and integrality of tire；As shown in Figure 1；
It should the exquisite board 185/60R15 88H tires of " tire " selection；
It is somebody's turn to do the CHZ-212 type acoustic pressures sensing that " sound pressure sensor " selects east intelligence to survey the production of (Beijing) Science and Technology Ltd.
Device can bear 3bar atmospheric pressures；
Step 2：Tire is mounted on matching automotive wheel (21 in Fig. 2), and extremely to tire pressurization
2.5bar.Wheel tyre assembly is installed on tyres durable performance tester base (27 in Fig. 2) by bolt.By wireless telemetering
Equipment (22 in Fig. 2) and accumulator (26 in Fig. 2) are fixed on wheel spoke surface, and sound pressure sensor is set with wireless telemetering respectively
It is standby to be connected with accumulator with conducting wire.By the holder (figure of the shaft (24 in Fig. 2) of angular transducer and tyres durable performance testing machine
It 23) is connected in 2, the pedestal (25 in Fig. 2) of angular transducer is connect with wheel tyre assembly.The pedestal of sensor is adjusted the angle,
It is allowed to position of the start index corresponding to sound pressure sensor in tire.As shown in Figure 2；
It is somebody's turn to do the type wheels of 5.5J × 15 that " automotive wheel " selects the emerging wisdom of the people in Shandong to lead to limited liability company's production；
It is somebody's turn to do the GC-YLSN-1112 that " tyres durable performance testing machine " selects the production of Qingdao Gao Ce Science and Technology Co., Ltd.
Type tyres durable performance testing machine；
It is somebody's turn to do the JM3870 wireless vibration voltage testers that " radio telemetry unit " selects the production of Yangzhou Jing Ming Science and Technology Ltd.s
System；
It is somebody's turn to do " angular transducer ", selects the DWQCAB-V-CH types of Beijing Tianhai Technology Development Co., Ltd.'s production high-precision
Spend voltage output angular transducer；
Step 3：Start tyres durable performance testing machine, wheel tyre assembly and tyres durable performance testing machine holder are logical
It crosses tire endurance quality testing machine guide rail (31 in Fig. 3) and at the uniform velocity moves close to tyres durable performance testing machine rotary drum (32 in Fig. 3),
As shown in Figure 3.Until wheel tyre assembly (41 in Fig. 4) and tyres durable performance testing machine rotary drum (42 in Fig. 4) contact, start
At the uniform velocity rotate.The signal of radio telemetry unit is received by laptop, it can be deduced that operatic tunes acoustic pressure in the tire of rotation
With position of the sound pressure sensor in tire, the acoustic pressure distribution map of the operatic tunes in the tire to obtain rotation.As shown in Figure 4.
It is somebody's turn to do " laptop ", selects three Star's R458 laptops；
Step 4：It is loaded by change tire intrauterine pressure, wheel tyre rotating speed, tire institute, it obtains under various operating modes
Tire in the operatic tunes acoustic pressure distribution map.And then obtain tire intrauterine pressure, wheel tyre rotating speed, tire institute it is loaded these
The rule that factor influences the acoustic pressure distribution map of the operatic tunes in the tire of rotation.
Described " the changing tire intrauterine pressure ", the specific practice is realized by automobile tyre inflation machine；
Described " the changing wheel tyre rotating speed ", the specific practice are by changing tyres durable performance testing machine rotary drum
Rotating speed is realized；
Described " it is loaded to change tire institute ", the specific practice be by change tyres durable performance testing machine rotary drum with
The relative position of tire interface is realized.
In conclusion by above-listed four steps, operatic tunes sound pressure signal in the tire for considering vehicle rotary is realized
Experimental test, and can obtain tire intrauterine pressure, wheel tyre rotating speed, tire these factors loaded to the wheel of rotation
The rule that the acoustic pressure distribution map of the operatic tunes influences in tire tire.
Claims (7)
1. the testing method of operatic tunes sound pressure signal in a kind of tire considering vehicle rotary, it is characterised in that：It includes
Following steps：
Step 1：One sound pressure sensor is fixed on tire inner surface, by boring an aperture to tire tread, by acoustic pressure
The conducting wire of sensor is exported from tire inner surface by the aperture, and is given tire patching and mended aperture in fact, to keep the seal of tire
And integrality；
Step 2：Tire is mounted on matching automotive wheel, wheel tyre assembly is fixed on tyres durable performance
In tester base；Radio telemetry unit and accumulator are fixed on wheel spoke surface, by sound pressure sensor respectively with wirelessly
Remote-measuring equipment is connected with accumulator；The shaft of angular transducer is connect with the holder of tyres durable performance testing machine, angle passes
The pedestal of sensor is connect with wheel tyre assembly；The pedestal for adjusting the angle sensor is allowed to start index corresponding to sound in tire
Pressure sensor position；
Step 3：Start tyres durable performance testing machine, wheel tyre assembly is leaned on by the guide rail of tyres durable performance testing machine
The rotary drum of nearly tyres durable performance testing machine starts at the uniform velocity to rotate until contact, and receiving wireless telemetering by laptop sets
Standby signal can obtain the position of operatic tunes acoustic pressure and sound pressure sensor in tire in tire, and then obtain in tire
Operatic tunes acoustic pressure distribution map；
Step 4：Change tire intrauterine pressure, wheel tyre rotating speed, tire institute are loaded respectively, obtain the wheel under various operating modes
Operatic tunes acoustic pressure distribution map in tire tire；
In conclusion by above-listed four steps, realize that the experiment of operatic tunes sound pressure signal in the tire for considering vehicle rotary is surveyed
Examination, obtains the acoustic pressure distribution map of the operatic tunes in tire；By changing tire intrauterine pressure, wheel tyre rotating speed, tire institute stand under load
Lotus obtains the acoustic pressure distribution map of the operatic tunes in the tire under various operating modes, you can to show that tire intrauterine pressure, wheel tyre turn
Speed, tire institute these factors loaded in the tire of rotation the operatic tunes acoustic pressure distribution map influence rule.
2. the experimental test side of operatic tunes sound pressure signal in a kind of tire considering vehicle rotary according to claim 1
Method, it is characterised in that：
" sound pressure sensor " described in step 1 selects domestic existing product, can bear 3bar atmospheric pressures.
3. the experimental test side of operatic tunes sound pressure signal in a kind of tire considering vehicle rotary according to claim 1
Method, it is characterised in that：" aperture is bored to tire tread " described in step 1, a diameter of 2mm of the aperture.
4. the experimental test side of operatic tunes sound pressure signal in a kind of tire considering vehicle rotary according to claim 1
Method, it is characterised in that：" tyres durable performance testing machine ", " radio telemetry unit ", " accumulator " described in step 2 and
" angular transducer " is all to select domestic existing product.
5. the experimental test side of operatic tunes sound pressure signal in a kind of tire considering vehicle rotary according to claim 1
Method, it is characterised in that：" changing tire intrauterine pressure " described in step 4, the specific practice is to pass through automobile tyre inflation
Machine is realized.
6. the experimental test side of operatic tunes sound pressure signal in a kind of tire considering vehicle rotary according to claim 1
Method, it is characterised in that：" changing wheel tyre rotating speed " described in step 4, the specific practice are by changing tyres durable
The rotating speed of performance aircraft rotary drum is realized.
7. the experimental test side of operatic tunes sound pressure signal in a kind of tire considering vehicle rotary according to claim 1
Method, it is characterised in that：" it is loaded to change tire institute " described in step 4, the specific practice is by changing tyres durable
The relative position of performance aircraft rotary drum and tire interface is realized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810088517.9A CN108362509B (en) | 2018-01-30 | 2018-01-30 | Consider the testing method of operatic tunes sound pressure signal in the tire of vehicle rotary |
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|---|---|---|---|
| CN201810088517.9A CN108362509B (en) | 2018-01-30 | 2018-01-30 | Consider the testing method of operatic tunes sound pressure signal in the tire of vehicle rotary |
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| CN108362509B CN108362509B (en) | 2019-10-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855723A (en) * | 2019-01-16 | 2019-06-07 | 山东理工大学 | A kind of test macro and test method of cavity temperature transmission characteristic curve |
| CN111912704A (en) * | 2020-07-16 | 2020-11-10 | 赵虎 | New energy automobile tire static test system and test method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674233B (en) * | 2013-12-13 | 2015-10-21 | 长安大学 | A kind of tire and the full Free field measurement device of pavement noise |
| CN104062075B (en) * | 2014-07-04 | 2016-09-14 | 奇瑞汽车股份有限公司 | A kind of car load sound transmission loss method of testing |
| CN105701286B (en) * | 2016-01-12 | 2019-05-03 | 北京航空航天大学 | A kind of numerical computation method for predicting automotive interior fuzzy uncertain acoustic pressure |
| CN106596009B (en) * | 2016-11-09 | 2019-02-19 | 北京航空航天大学 | A kind of experimental provision to resonate for test analysis and control doughnut internal cavity |
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2018
- 2018-01-30 CN CN201810088517.9A patent/CN108362509B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855723A (en) * | 2019-01-16 | 2019-06-07 | 山东理工大学 | A kind of test macro and test method of cavity temperature transmission characteristic curve |
| CN111912704A (en) * | 2020-07-16 | 2020-11-10 | 赵虎 | New energy automobile tire static test system and test method |
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| CN108362509B (en) | 2019-10-18 |
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