CN109425491A - A kind of vehicle sound absorption and insulation performance testing device - Google Patents
A kind of vehicle sound absorption and insulation performance testing device Download PDFInfo
- Publication number
- CN109425491A CN109425491A CN201710717877.6A CN201710717877A CN109425491A CN 109425491 A CN109425491 A CN 109425491A CN 201710717877 A CN201710717877 A CN 201710717877A CN 109425491 A CN109425491 A CN 109425491A
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- CN
- China
- Prior art keywords
- data
- data collector
- insulation performance
- sound absorption
- performance testing
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Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/015—Attenuation, scattering
Abstract
The present invention relates to a kind of vehicle sound absorption and insulation performance testing devices, vehicle sound absorption and insulation performance testing device includes data processor, the first data collector being mounted at engine when in use and the second data collector being mounted in compartment when in use, with data processor communication connection, the first data collector and the acquisition of the second data include that sound pressure measurement is popped one's head in for first data collector and the second data collector.The device can not only measure the sound insulation effect of vehicle, and vehicle sound absorption and insulation performance testing device can with Che Yundong, when measuring actual motion under difference operating condition vehicle sound absorption and insulation performance, measurement result can more react the practical sound insulation effect of vehicle.
Description
Technical field
The present invention relates to a kind of vehicle sound absorption and insulation performance testing devices.
Background technique
With the increasingly raising that people require vehicle comfort, the sound absorption and insulation performance of vehicle is more and more by people
Concern.Also more and more in the market to occur for carrying out the test device of sound insulation measurement to vehicle material and to vehicle portion
Part carries out the test device of sound insulation measurement, and still, these test devices only carry out sound insulation survey to a certain component on vehicle
Examination, cannot reflect the sound absorption and insulation effect of vehicle.Moreover, vehicle will appear a variety of operating conditions in actual moving process, these
Test device can not meet test request of the vehicle under different operating conditions.
Summary of the invention
The purpose of the present invention is to provide a kind of vehicle sound absorption and insulation performance testing devices for measuring vehicle sound absorption and insulation performance.
To achieve the above object, a kind of technical solution 1 of vehicle sound absorption and insulation performance testing device of the present invention is: Yi Zhongche
Sound absorption and insulation performance testing device, it is characterised in that: including data processor, when in use be mounted at engine first
Data collector and the second data collector being mounted in compartment when in use, the first data collector and the second data are adopted
For storage with data processor communication connection, the first data collector and the acquisition of the second data include sound pressure measurement probe
A kind of technical solution 2 of vehicle sound absorption and insulation performance testing device of the present invention is to do on the basis of technical solution 1 further
Improve: first data collector and the second data collector are provided with the fixed structure for fixed data collector.
In actual use, the first data processor passes through solid vehicle sound absorption and insulation performance testing device of the invention
Determine at the engine that structure is fixed on outside vehicle car, the second data processor is fixed on driver in compartment by fixed structure
The top of seat, data processor are placed in the car, and after engine start, vehicle can carry test device in road surface uplink
It sails, and starts to test under different operating condition (idling, at the uniform velocity etc.), the first data collector is dynamic by sound pressure measurement probe acquisition
The mixed noise instantaneous sound pressure of the formation such as power assembly noise, road rumble, and being stored by data storage device, then by data
It is sent to data processor, the second data collector is sent at data processor also by state principle for interior instantaneous sound pressure,
Instantaneous sound pressure is carried out record forming curves by data processor, compares the average sound pressure value difference of two curves whithin a period of time, i.e.,
The sound insulation effect of vehicle out can be fed back.The device can not only measure the sound insulation effect of vehicle, but also vehicle sound absorption and insulation performance is surveyed
Trial assembly set can with Che Yundong, measure actual motion when difference operating condition under vehicle sound absorption and insulation performance, measurement result more can be anti-
Answer the practical sound insulation effect of vehicle.
A kind of technical solution 3 of vehicle sound absorption and insulation performance testing device of the present invention be done on the basis of technical solution 2 into
One step is improved: first data collector and the second data collector are connected by signal projector and data processor communication
It connects.Wiring process is not only eliminated, convenient for installing and using for the first data collector and the second data collector, moreover, avoiding
The phenomenon that burning out route when being routed into engine generation.
A kind of technical solution 4 of vehicle sound absorption and insulation performance testing device of the present invention be done on the basis of technical solution 3 into
One step is improved: first data collector and the second data collector include shell, the sound pressure measurement probe and signal
Transmitter is located in shell, and shell is provided with sound transmission aperture on the wall surface that sound pressure measurement is popped one's head in.It is visited not influencing acoustic pressure test
Head protects acoustic pressure test probe under conditions of working normally.
A kind of technical solution 5 of vehicle sound absorption and insulation performance testing device of the present invention be done on the basis of technical solution 4 into
One step is improved: dust-proof cotton is provided at sound transmission aperture in shell.The heat and dust in most of enging cabin can be completely cut off, protected
Instrument is normally carried out work.
A kind of technical solution 6 of vehicle sound absorption and insulation performance testing device of the present invention be done on the basis of technical solution 5 into
One step improve: first data collector and the second data collector are provided with battery, without by two data collectors with
Extraneous power supply connection, saves Route step.
A kind of technical solution 7 of vehicle sound absorption and insulation performance testing device of the present invention be done on the basis of technical solution 6 into
One step is improved: first data collector and the second data collector are provided with data storage.
A kind of technical solution 8 of vehicle sound absorption and insulation performance testing device of the present invention be done on the basis of technical solution 7 into
One step is improved: the fixed structure of first data collector is magnet.
A kind of technical solution 9 of vehicle sound absorption and insulation performance testing device of the present invention be done on the basis of technical solution 8 into
One step is improved: the shell of first data collector includes supporing shell and the first cylindrical case being arranged in supporing shell
Body, sound pressure measurement probe, data storage, the signal projector of the first data collector are in axial direction successively set on first
Inside tubular shell, the battery of the first data collector is located in supporing shell, and the magnet is located at the bottom of supporing shell.
A kind of technical solution 10 of vehicle sound absorption and insulation performance testing device of the present invention is done on the basis of technical solution 9
Be further improved: the supporing shell and the first tubular shell are rotatably connected.
A kind of technical solution 11 of vehicle sound absorption and insulation performance testing device of the present invention is any skill in technical solution 4-10
It is further improved on the basis of art scheme: being provided with heat-barrier material in the shell of first data collector.It can make first
Data collector works normally under enging cabin hot environment.
A kind of technical solution 12 of vehicle sound absorption and insulation performance testing device of the present invention is done on the basis of technical solution 7
Be further improved: the fixed structure of second data collector is shrinkage band.
A kind of technical solution 13 of vehicle sound absorption and insulation performance testing device of the present invention is done on the basis of technical solution 12
Be further improved: second data collector includes the second tubular shell, sound pressure measurement probe, the number of the second data collector
It is set gradually according to memory, signal projector, battery along the axial direction of the second tubular shell, the shrinkage band and the second tubular shell
Connection.
Detailed description of the invention
Fig. 1 be the specific embodiment of the invention 1 in vehicle sound absorption and insulation performance testing device in actual use with vehicle
Installation cooperate figure；
Fig. 2 is the perspective view of the first data collector in the specific embodiment of the invention 1；
Fig. 3 is the cross-sectional view of the first data collector in the specific embodiment of the invention 1；
Fig. 4 is the perspective view of the second data collector in the specific embodiment of the invention 1；
Fig. 5 is the cross-sectional view of the second data collector in the specific embodiment of the invention 1；
Fig. 6 is the perspective view of the first data collector in the specific embodiment of the invention 2；
In figure: 1, the first data collector；11, the first tubular shell；12, supporing shell；2, the second data collector；21,
Two tubular shells；3, data processor；4, engine；5, seat；6, protective cover；61, sound transmission aperture；7, dust-proof cotton；8, acoustic pressure is surveyed
Amount probe；9, data storage；10, signal projector；13, telescopic band；14, magnet；15, battery；151, charging head.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
A kind of specific embodiment 1 of vehicle sound absorption and insulation performance testing device of the invention, as shown in Figures 1 to 5, including
Data processor 3, the first data collector 1, the second data collector 2, the first data collector 1 and the second data collector 2
With 3 communication connection of data processor.
Wherein, the specific structure is shown in FIG. 3 for the first data collector 1, including is being propped up by supporing shell 12 and setting
Support the first data collector shell of the first tubular shell 11 composition on shell 12, supporing shell 12 and the first tubular shell 11
It is rotatably connected.The rear end closure of first tubular shell 11, front end are blocked by being provided with the protective cover 6 of sound transmission aperture 61, and first
Be disposed with from front to back in tubular shell 11 dust-proof cotton 7, sound pressure measurement probe 8, data storage 9, for acoustic pressure to be surveyed
The data that amount probe 8 measures are transmitted to the signal projector 10 of data processor 3, are provided with battery 15 in supporing shell 12, electricity
The rear end in pond 15 is provided with charging head 151.The bottom of supporing shell 12 is provided with magnet 14.In addition, the first data collector shell
The inside of body is additionally provided with heat-barrier material.
The specific structure of second data collector 2 is as shown in figure 5, include the second data being made of the second tubular shell 21
Collector shell is connected with shrinkage band on the second tubular shell 21.The rear end of second tubular shell 21 blocks, and front end is also by setting
The protective cover 6 for being equipped with sound transmission aperture 61 blocks, and is disposed with dust-proof cotton 7, sound pressure measurement from front to back in the second tubular shell 21
Probe 8, data storage 9, the data for measuring sound pressure measurement probe 8 are transmitted to the signal projector of data processor 3
10, battery 15, the rear end of the second tubular shell 21 are provided with the battery charging head 151 for charging to the battery 15 in it.
In the present embodiment, signal projector 10 uses Bluetooth signal transmitter.Data processor 3 can be computer or
Mobile phone.
In actual use, the first data collector 1 passes through it to vehicle sound absorption and insulation performance testing device of the invention
The magnet 14 of bottom setting is fixed at vehicle motor 4, and the second data collector 2 is fixed on driver's chair by telescopic band 13
5 top, after engine 4 starts, vehicle carries test device in road traveling, and in different operating condition (idling, at the uniform velocity etc.)
Under start to test, the first data collector 1 passes through sound pressure measurement probe 8 acquisition power assembly noises, the formation such as road rumble
Mixed noise instantaneous sound pressure, and stored by data storage device, then data are sent data to by signal projector 10
Processor 3, the second data collector 2 are sent at data processor 3 also by state principle for interior instantaneous sound pressure, data processing
Instantaneous sound pressure is carried out record forming curves by device 3, and the average sound pressure value difference of two curves of comparison whithin a period of time can be fed back out
The sound insulation effect of vehicle.
In above process, dust-proof cotton 7 is set in the first data collector 1 and the second data collector 2, big portion can be completely cut off
Distribute the dust in the heat and dust or compartment in 4 cabin of motivation, protection instrument is normally carried out work.First data collector shell
Setting heat-barrier material in vivo, can be such that the first data collector 1 works normally under 4 cabin hot environment of engine.First data are adopted
Storage 1 and the second data collector 2 are not only eliminated and were routed by signal projector 10 and 3 communication connection of data processor
Journey, convenient for installing and using for the first data collector 1 and the second data collector 2, moreover, avoiding in the bracing wire into engine 4
When the phenomenon that burning out route generation.
A kind of specific embodiment 2 of vehicle sound absorption and insulation performance testing device and the difference of specific embodiment 1 of the invention exists
In: as shown in fig. 6, the first tubular shell of the first data collector is fixedly connected with supporing shell.
A kind of specific embodiment 3 of vehicle sound absorption and insulation performance testing device and the difference of specific embodiment 1 of the invention exists
In: the bottom of the supporing shell of the first data collector is not provided with magnet, but glue-line is arranged, and the first data collector passes through branch
The bottom shell of support shell is fixedly connected with engine.
A kind of specific embodiment 4 of vehicle sound absorption and insulation performance testing device and the difference of specific embodiment 1 of the invention exists
In: the first data collector and the second data collector pass through route and connect with data processor.
A kind of specific embodiment 5 of vehicle sound absorption and insulation performance testing device and the difference of specific embodiment 1 of the invention exists
In: the first data collector and the second data collector are not provided with battery, but are connect by route with external power supply.
A kind of specific embodiment 6 of vehicle sound absorption and insulation performance testing device and the difference of specific embodiment 1 of the invention exists
In: the first data collector and the second data collector can be not provided with fixed structure, but pass through the fixation being arranged on vehicle
Structure is fixed；Alternatively, being not provided on vehicle and fixed structure on data collector, data collector is fixed by clip
On vehicle.
Claims (10)
1. a kind of vehicle sound absorption and insulation performance testing device, it is characterised in that: including data processor, be mounted on hair when in use
The first data collector at motivation and the second data collector being mounted in compartment when in use, the first data collector
With the second data collector with data processor communication connection, the first data collector and the acquisition of the second data include acoustic pressure
Measuring probe.
2. vehicle sound absorption and insulation performance testing device according to claim 1, it is characterised in that: the first data acquisition
Device and the second data collector are provided with the fixed structure for fixed data collector.
3. vehicle sound absorption and insulation performance testing device according to claim 2, it is characterised in that: the first data acquisition
Device and the second data collector pass through signal projector and data processor communication connection.
4. vehicle sound absorption and insulation performance testing device according to claim 3, it is characterised in that: the first data acquisition
Device and the second data collector include shell, and the sound pressure measurement probe and signal projector are located in shell, and shell is close
Sound transmission aperture is provided on the wall surface of sound pressure measurement probe.
5. vehicle sound absorption and insulation performance testing device according to claim 4, it is characterised in that: in shell at sound transmission aperture
It is provided with dust-proof cotton.
6. vehicle sound absorption and insulation performance testing device according to claim 5, it is characterised in that: the first data acquisition
Device and the second data collector are provided with battery.
7. vehicle sound absorption and insulation performance testing device according to claim 6, it is characterised in that: the first data acquisition
Device and the second data collector are provided with data storage.
8. vehicle sound absorption and insulation performance testing device according to claim 7, it is characterised in that: the first data acquisition
The fixed structure of device is magnet.
9. vehicle sound absorption and insulation performance testing device according to claim 8, it is characterised in that: the first data acquisition
The shell of device includes supporing shell and the first tubular shell being arranged in supporing shell, and the acoustic pressure of the first data collector is surveyed
Amount probe, data storage, signal projector are in axial direction successively set on inside the first tubular shell, the acquisition of the first data
The battery of device is located in supporing shell, and the magnet is located at the bottom of supporing shell.
10. vehicle sound absorption and insulation performance testing device according to claim 9, it is characterised in that: the supporing shell and
One tubular shell is rotatably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717877.6A CN109425491A (en) | 2017-08-21 | 2017-08-21 | A kind of vehicle sound absorption and insulation performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717877.6A CN109425491A (en) | 2017-08-21 | 2017-08-21 | A kind of vehicle sound absorption and insulation performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109425491A true CN109425491A (en) | 2019-03-05 |
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ID=65498793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710717877.6A Pending CN109425491A (en) | 2017-08-21 | 2017-08-21 | A kind of vehicle sound absorption and insulation performance testing device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230884A (en) * | 1999-02-12 | 2000-08-22 | Suzuki Motor Corp | Sound evaluation device, judgment device for operating state of engine and waveform data processor |
| JP2001165815A (en) * | 1999-12-08 | 2001-06-22 | Mitsubishi Motors Corp | Vehicle body noise absorbing and insulating performance measuring unit |
| JP2006003161A (en) * | 2004-06-16 | 2006-01-05 | Toyota Motor Corp | Noise measuring apparatus and noise measuring method |
| US20060042387A1 (en) * | 2002-09-16 | 2006-03-02 | Komninos Nikolaos I | Acoustic sensing device, system and method for monitoring emissions from machinery |
| US20060171546A1 (en) * | 2005-01-31 | 2006-08-03 | Ralph Bungenberg | Device for measuring the sound insulation or insertion of a test object, particularly a passenger compartment section of a motor vehicle |
| CN201666815U (en) * | 2009-10-23 | 2010-12-08 | 江苏省交通科学研究院股份有限公司 | Integrated test system for automobile noise |
| CN204515132U (en) * | 2015-04-10 | 2015-07-29 | 郑锦添 | Radio car backing radar |
-
2017
- 2017-08-21 CN CN201710717877.6A patent/CN109425491A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000230884A (en) * | 1999-02-12 | 2000-08-22 | Suzuki Motor Corp | Sound evaluation device, judgment device for operating state of engine and waveform data processor |
| JP2001165815A (en) * | 1999-12-08 | 2001-06-22 | Mitsubishi Motors Corp | Vehicle body noise absorbing and insulating performance measuring unit |
| US20060042387A1 (en) * | 2002-09-16 | 2006-03-02 | Komninos Nikolaos I | Acoustic sensing device, system and method for monitoring emissions from machinery |
| JP2006003161A (en) * | 2004-06-16 | 2006-01-05 | Toyota Motor Corp | Noise measuring apparatus and noise measuring method |
| US20060171546A1 (en) * | 2005-01-31 | 2006-08-03 | Ralph Bungenberg | Device for measuring the sound insulation or insertion of a test object, particularly a passenger compartment section of a motor vehicle |
| CN201666815U (en) * | 2009-10-23 | 2010-12-08 | 江苏省交通科学研究院股份有限公司 | Integrated test system for automobile noise |
| CN204515132U (en) * | 2015-04-10 | 2015-07-29 | 郑锦添 | Radio car backing radar |
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Application publication date: 20190305 |
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