CN109239200A - A kind of device and method for testing wall material sound insulation and noise reduction - Google Patents

A kind of device and method for testing wall material sound insulation and noise reduction Download PDF

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Publication number
CN109239200A
CN109239200A CN201811231118.XA CN201811231118A CN109239200A CN 109239200 A CN109239200 A CN 109239200A CN 201811231118 A CN201811231118 A CN 201811231118A CN 109239200 A CN109239200 A CN 109239200A
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China
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wall material
outer container
sound insulation
noise reduction
decibel instrument
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CN201811231118.XA
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CN109239200B (en
Inventor
徐海
周文
曾广斌
让-皮埃尔·索维奇
马里奥·莫利纳
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Changsha Landmark Technology Co Ltd
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Changsha Landmark Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • G01N29/11Analysing solids by measuring attenuation of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/01Indexing codes associated with the measuring variable
    • G01N2291/015Attenuation, scattering
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/023Solids

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

The invention discloses a kind of device and method for testing wall material sound insulation and noise reduction, and wherein device includes: pedestal, outer container, interior case, noise source, the first decibel instrument and the second decibel instrument;Outer container, interior case, noise source, the first decibel instrument and the second decibel instrument are both placed on pedestal;Outer container inner hub location is placed with interior case;Outer box top offers through-hole;Wall material to be tested is coated on interior chamber interior wall, and interior case inner hub location is placed with noise source;Interior box top is equipped with handle, and handle passes through through-hole and exposes outer container;The first decibel instrument is laid between outer container and interior case;The second decibel instrument is laid outside outer container;And first decibel instrument and the second decibel instrument it is identical with a distance from noise source.The device of test wall material sound insulation and noise reduction provided by the invention is capable of the performance of quantitative test wall material sound insulation and noise reduction, the digitization of wall material sound insulation and noise reduction performance is realized, and test device is simple, test method is easy to operate, the a large amount of samples of detection low in cost, and being capable of fast and stable.

Description

A kind of device and method for testing wall material sound insulation and noise reduction
Technical field
The present invention relates to material properties test technical field, more particularly to a kind of test wall material sound insulation and noise reduction Device and method.
Background technique
As rapid development of economy and society are constantly progressive, the increasingly raising of people's living standard.People start to room The requirement of the sound insulation and noise reduction performance of interior trim wall material is higher and higher.Currently, for the sound insulation and noise reduction performance of interior decoration wall material Test mainly by the artificial subjective judgement after construction, carries out qualitative, quantitative test to it temporarily without any technology.
Therefore, the problem of how performance of quantitative test wall material sound insulation and noise reduction is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides a kind of device and method for testing wall material sound insulation and noise reduction, it being capable of quantitative test wall The performance of material sound insulation and noise reduction realizes the digitization of wall material sound insulation and noise reduction performance, and test device is simple, and test method is easily grasped Make, a large amount of samples of detection low in cost, and being capable of fast and stable.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of device for testing wall material sound insulation and noise reduction, comprising: pedestal, outer container, interior case, noise source, the first decibel instrument and the Two decibel instruments;The outer container, the interior case, the noise source, first decibel instrument and second decibel instrument are both placed in On the pedestal;
The outer container inner hub location is placed with the interior case;The outer box top offers through-hole;
Wall material to be tested is coated on the interior chamber interior wall, and the interior case inner hub location is placed with the noise Source;The interior box top is equipped with handle, and the handle passes through the through-hole and exposes the outer container;
First decibel instrument is laid between the outer container and the interior case;
Second decibel instrument is laid outside the outer container;And first decibel instrument and second decibel instrument are to institute The distance for stating noise source is identical.
Preferably, the outer container is the cuboid of bottom opening, and long side and broadside are unequal;First decibel instrument is set It is placed in the inside of the broadside of the outer container;Second decibel instrument is set to the outside of the long side of the outer container;The interior case is The square of bottom opening.
Preferably, the pedestal, the outer container and the interior case are all made of transparent acrylic material, and the outer container and institute The thickness for stating interior case is identical, is 0.1~0.3cm.
Preferably, the noise source is alarm clock.
Preferably, the wall material to be tested with a thickness of 1~2cm.
Preferably, the long side of the outer container is 50cm, broadside 30cm;The side length of the interior case is 10cm;Described first Decibel instrument and second decibel instrument are located at the spherical surface apart from noise source radius 20cm.
Preferably, on pedestal, setting is fluted at the outer box outer wall to the interior chamber interior wall, fills in the groove Fluid substance.
A method of test wall material sound insulation and noise reduction, suitable for the device of above-mentioned test wall material sound insulation and noise reduction, the survey The method of examination wall material sound insulation and noise reduction includes the following steps:
S1: wall material to be tested is coated on the inner wall of the interior case;
S2: keeping noise source to be in off state, and opens the first decibel instrument, first tests the numerical value y of the first decibel instrument in environment;
S3: opening the second decibel instrument and noise source, reads the numerical value a of the first decibel instrument at this time;Lift interior case by handle, The numerical value b of the first decibel instrument and the numerical value c of the second decibel instrument are read, according to the size rational judgment tape test wall of soundproof effect x The sound insulation and noise reduction performance of material;Wherein, the calculation formula of soundproof effect x are as follows:
X=(c-a+y)/b*100%.
Preferably, before step S1 further include: the inner wall of internal case carries out decontamination cleaning of deoiling.
Preferably, the coating thickness of the wall material to be tested is 1~2cm, and coats operation and be divided into multiple construction, is applied every time Work is once constructed after carrying out again after preceding primary construction hardening with a thickness of 1~2mm.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of test wall material every The device and method of sound noise reduction compensate for the blank that the prior art tests wall material sound insulation and noise reduction performance, so that sound insulation is dropped The test for performance of making an uproar no longer is influenced by subjective factor, and the performance of quantitative test wall material sound insulation and noise reduction is capable of, realize wall material every The digitization of sound anti-acoustic capability, and test device is simple, test method is easy to operate, and it is low in cost, and it is capable of fast and stable Detect a large amount of samples.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is the front view of the device of test wall material sound insulation and noise reduction provided by the invention;
Fig. 2 is the top view of the device of test wall material sound insulation and noise reduction provided by the invention;
Fig. 3 is the front view of the specific embodiment of the device of test wall material sound insulation and noise reduction provided by the invention;
Fig. 4 is the top view of the specific embodiment of the device of test wall material sound insulation and noise reduction provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, the embodiment of the invention discloses a kind of devices for testing wall material sound insulation and noise reduction, comprising: pedestal 1, Outer container 2, interior case 3, noise source 4, the first decibel instrument 5 and the second decibel instrument 6;Outer container 2, interior case 3, noise source 4, the first decibel instrument 5 It is both placed on pedestal 1 with the second decibel instrument 6;
2 inner hub location of outer container is placed with interior case 3;Through-hole is offered at the top of outer container 2;
Wall material to be tested is coated on interior 3 inner wall of case, and 3 inner hub location of interior case is placed with noise source 4;Interior case 3 pushes up Portion is equipped with handle 7, and handle 7 passes through through-hole and exposes outer container 2;
Wherein, in conjunction with attached drawing 1, its purpose is that facilitating lifting, manufacture craft is first to pass through handle for bead on handle Through-hole, then by it with built-in screw tightening.
The first decibel instrument 5 is laid between outer container 2 and interior case 3;
The second decibel instrument 6 is laid outside outer container 2;And first decibel instrument 5 and the second decibel instrument 6 arrive the distance of noise source 4 It is identical.
The device of test wall material sound insulation and noise reduction provided by the invention, overall structure is simple, and operating method is easy, repeatability Good, test number is accurate, and the sound insulation and noise reduction of wall material, which is tested from qualitative, becomes quantitative test, be suitable for a large amount of samples it is quick, Accurate test.
In order to further optimize the above technical scheme, the top of the handle 7 is equipped with handle head, more convenient to mention upwards Case in rising.
In order to further optimize the above technical scheme, outer container 2 is the cuboid of bottom opening, and long side and broadside not phase Deng;First decibel instrument 5 is set to the inside of the broadside of outer container 2;Second decibel instrument 6 is set to the outside of the long side of outer container 2;Interior case 3 be the square of bottom opening.
In order to further optimize the above technical scheme, pedestal 1, outer container 2 and interior case 3 are all made of transparent acrylic material, and Outer container 2 is identical with the thickness of interior case 3, is 0.1~0.3cm.
In order to further optimize the above technical scheme, noise source 4 is miniature alarm clock.
In order to further optimize the above technical scheme, wall material to be tested with a thickness of 1~2cm.
In order to further optimize the above technical scheme, the long side of outer container 2 is 50cm, broadside 30cm;The side length of interior case 3 is 10cm;First decibel instrument 5 and the second decibel instrument 6 are located at the spherical surface apart from 4 radius 20cm of noise source.
In order to further optimize the above technical scheme, it on pedestal 1, is provided at 2 outer wall of outer container to interior 3 inner wall of case recessed Slot fills fluid substance in groove.Specifically, the fluid substance can be water, play the role of sealing.
In addition, the embodiment of the invention also discloses a kind of method for testing wall material sound insulation and noise reduction, this method is suitable for above-mentioned Test wall material sound insulation and noise reduction device, test wall material sound insulation and noise reduction method include the following steps:
S1: wall material to be tested is coated on the inner wall of interior case 3;
S2: keeping noise source 4 to be in off state, and opens the first decibel instrument 5, first tests the number of the first decibel instrument 5 in environment Value y;
S3: opening the second decibel instrument 6 and noise source 4, reads the numerical value a of the first decibel instrument 5 at this time;Lifted by handle 7 Interior case 3 reads the numerical value b of the first decibel instrument 5 and the numerical value c of the second decibel instrument 6, according to the size rational judgment of soundproof effect x The sound insulation and noise reduction performance of tape test wall material;Wherein, the calculation formula of soundproof effect x are as follows:
X=(c-a+y)/b*100%.
The method of test wall material sound insulation and noise reduction provided by the invention is quick, easy, stable, accurate and at low cost, generally fits Accurate test for wall material businessman and various laboratories to wall material sound insulation and noise reduction performance.
In order to further optimize the above technical scheme, before step S1 further include: the inner wall of internal case 3 deoil On the one hand dirt cleaning facilitates coating wall material to be tested, on the other hand eliminates the influence of greasy dirt on interior chamber interior wall, guarantee test knot The accuracy of fruit.
In order to further optimize the above technical scheme, the coating thickness of wall material to be tested is 1~2cm, and coats operation point Repeatedly to construct, construction is once constructed after carrying out again after preceding primary construction hardening every time with a thickness of 1~2mm.
Below with reference to specific example to further illustrate the technical scheme of the present invention.
Specific step is as follows for the method for test wall material sound insulation and noise reduction provided by the invention:
Step 1: interior case is taken out, the greasy dirt of the inner wall surface of interior case is cleaned with dish washing liquid, then is dried in the air after being rinsed with clear water It is dry;
Step 2: taking tape test wall material sample: the Kathon CG intelligence wall material of Changsha Biao Langzhu work Science and Technology Ltd. production, spray It is coated on the interior chamber interior wall after drying, single spin is sprayed after drying solidification next time again with a thickness of 1mm, until spraying Overall thickness is 1cm;
Step 3: each device is put well, the numerical value of the first decibel instrument in environment is first tested, reads and records first decibel The numerical value of instrument is 35 decibels, and open the second decibel instrument and noise source: alarm clock quarter-bell reads and the numerical value for recording the first decibel instrument is 56 decibels, lifting interior case completely, the numerical value for reading and recording the first decibel instrument is 114, and the numerical value of the second decibel instrument is 101, every Audio fruit x=70.17%.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (10)

1. a kind of device for testing wall material sound insulation and noise reduction characterized by comprising pedestal (1), outer container (2), interior case (3), noise Source (4), the first decibel instrument (5) and the second decibel instrument (6);It is the outer container (2), the interior case (3), the noise source (4), described First decibel instrument (5) and second decibel instrument (6) are both placed on the pedestal (1);
Outer container (2) inner hub location is placed with the interior case (3);Through-hole is offered at the top of the outer container (2);
Wall material to be tested is coated on interior case (3) inner wall, and the interior case (3) inner hub location is placed with the noise Source (4);It is equipped with handle (7) at the top of the interior case (3), the handle (7) passes through the through-hole and exposes the outer container (2);
First decibel instrument (5) is laid between the outer container (2) and the interior case (3);
Second decibel instrument (6) is laid outside the outer container (2);And first decibel instrument (5) and second decibel described The distance of instrument (6) to the noise source (4) is identical.
2. a kind of device for testing wall material sound insulation and noise reduction according to claim 1, which is characterized in that the outer container (2) is The cuboid of bottom opening, and long side and broadside are unequal;First decibel instrument (5) is set to the broadside of the outer container (2) Inside;Second decibel instrument (6) is set to the outside of the long side of the outer container (2);The interior case (3) is bottom opening Square.
3. a kind of device for testing wall material sound insulation and noise reduction according to claim 1, which is characterized in that the pedestal (1), institute It states outer container (2) and the interior case (3) is all made of transparent acrylic material, and the thickness phase of the outer container (2) and the interior case (3) It together, is 0.1~0.3cm.
4. a kind of device for testing wall material sound insulation and noise reduction according to claim 1, which is characterized in that the noise source (4) For alarm clock.
5. a kind of device for testing wall material sound insulation and noise reduction according to claim 1, which is characterized in that the wall material to be tested With a thickness of 1~2cm.
6. a kind of device for testing wall material sound insulation and noise reduction according to claim 2, which is characterized in that the outer container (2) Long side is 50cm, broadside 30cm;The side length of the interior case (3) is 10cm;First decibel instrument (5) and second decibel described Instrument (6) is located at the spherical surface apart from noise source (4) radius 20cm.
7. a kind of device for testing wall material sound insulation and noise reduction according to claim 1, which is characterized in that in the pedestal (1) On, setting is fluted at outer container (2) outer wall to interior case (3) inner wall, and fluid substance is filled in the groove.
8. a kind of method for testing wall material sound insulation and noise reduction, which is characterized in that be suitable for survey as claimed in any one of claims 1 to 6 The device of wall material sound insulation and noise reduction is tried, the method for the test wall material sound insulation and noise reduction includes the following steps:
S1: wall material to be tested is coated on the inner wall of the interior case (3);
S2: keeping noise source (4) to be in off state, and opens the first decibel instrument (5), first tests the first decibel instrument (5) in environment Numerical value y;
S3: opening the second decibel instrument (6) and noise source (4), reads the numerical value a of the first decibel instrument (5) at this time;Pass through handle (7) Lift interior case (3), the numerical value b of the first decibel instrument (5) and the numerical value c of the second decibel instrument (6) is read, according to the big of soundproof effect x The sound insulation and noise reduction performance of small rational judgment tape test wall material;Wherein, the calculation formula of soundproof effect x are as follows:
X=(c-a+y)/b*100%.
9. a kind of method for testing wall material sound insulation and noise reduction according to claim 7, which is characterized in that before step S1 also It include: that the inner wall of internal case (3) deoil decontamination cleaning.
10. a kind of method for testing wall material sound insulation and noise reduction according to claim 7, which is characterized in that the wall to be tested The coating thickness of material is 1~2cm, and coats operation and be divided into multiple construction, and construction is every time with a thickness of 1~2mm, to preceding primary construction It once constructs after being carried out again after hardening.
CN201811231118.XA 2018-10-22 2018-10-22 Device and method for testing sound insulation and noise reduction of wall material Active CN109239200B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109827728A (en) * 2019-03-06 2019-05-31 北京市劳动保护科学研究所 Damping structure anti-acoustic capability test bracket, experimental rig and its method
CN113704864A (en) * 2021-10-29 2021-11-26 恒林家居股份有限公司 Conference room sound insulation wall thickness calculation method and system

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CN206788113U (en) * 2017-04-19 2017-12-22 镇江建科建设科技有限公司 Floor defening effect detection means
CN207133814U (en) * 2017-09-04 2018-03-23 合肥丹朋科技有限公司 Functional test platform for computer hardware development
CN207650157U (en) * 2017-12-28 2018-07-24 遵义众惠工程检测有限责任公司 A kind of detection device for door and window sound insulation property
CN208969048U (en) * 2018-10-22 2019-06-11 长沙标朗住工科技有限公司 A kind of device for testing wall material sound insulation and noise reduction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104215694A (en) * 2014-09-02 2014-12-17 中原工学院 Acoustic insulation testing device for fabric
CN206788113U (en) * 2017-04-19 2017-12-22 镇江建科建设科技有限公司 Floor defening effect detection means
CN207133814U (en) * 2017-09-04 2018-03-23 合肥丹朋科技有限公司 Functional test platform for computer hardware development
CN207650157U (en) * 2017-12-28 2018-07-24 遵义众惠工程检测有限责任公司 A kind of detection device for door and window sound insulation property
CN208969048U (en) * 2018-10-22 2019-06-11 长沙标朗住工科技有限公司 A kind of device for testing wall material sound insulation and noise reduction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109827728A (en) * 2019-03-06 2019-05-31 北京市劳动保护科学研究所 Damping structure anti-acoustic capability test bracket, experimental rig and its method
CN109827728B (en) * 2019-03-06 2020-10-09 北京市劳动保护科学研究所 Damping structure noise reduction performance test support, test device and method
CN113704864A (en) * 2021-10-29 2021-11-26 恒林家居股份有限公司 Conference room sound insulation wall thickness calculation method and system

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