CN113686957A - Sound insulation coating detection method - Google Patents
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- CN113686957A CN113686957A CN202110962581.7A CN202110962581A CN113686957A CN 113686957 A CN113686957 A CN 113686957A CN 202110962581 A CN202110962581 A CN 202110962581A CN 113686957 A CN113686957 A CN 113686957A
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- 239000011248 coating agent Substances 0.000 title claims abstract description 54
- 238000000576 coating method Methods 0.000 title claims abstract description 54
- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000009413 insulation Methods 0.000 title claims abstract description 49
- 238000012360 testing method Methods 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 239000004568 cement Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000003973 paint Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims 1
- 238000007790 scraping Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 description 7
- 238000003379 elimination reaction Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
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- 238000005259 measurement Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 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
- G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
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- 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
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/024—Mixtures
- G01N2291/02458—Solids in solids, e.g. granules
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Abstract
The invention discloses a sound insulation coating detection method, which adopts an upper layer room as a sound producing room, a lower layer room as a receiving room, the floor of the sound producing room is coated with sound insulation coating, sound insulation sealing treatment is carried out on the receiving room to reduce external influence, a test instrument and impact sound generating equipment are respectively arranged in the receiving room and the sound producing room, a data result of combination of at least four microphone positions and at least four impact sound generating equipment positions is measured, test data is analyzed by acoustic analysis software to obtain a final detection result, a special detection method and a field detection environment are designed aiming at the sound insulation coating of the floor, the most accurate detection result can be obtained, the performance of the sound insulation coating of the floor can be accurately judged, and research, development and practical use effect tests are facilitated.
Description
Technical Field
The invention belongs to the technical field of sound insulation coating performance detection, and particularly relates to a sound insulation coating detection method.
Background
The sound insulation coating is prepared by taking a nano multilayer structure material as a main sound insulation raw material and sandwiching a molecular material in the coating. The micro-particles uniformly distributed on the whole intermediate film have the sound insulation effect, and the sound absorption and sound insulation effects are achieved by effectively reducing the transmitted sound wave energy. The sound insulation coating is favored and approved by users with excellent performances and qualities of sound absorption, noise reduction, earthquake resistance, sound insulation, heat preservation, heat insulation, damping, noise reduction, fire prevention, bacteria resistance and the like. The finished product of the sound-insulating coating is 3-5MM thin, and has the advantages of outstanding construction convenience, low manufacturing cost, high bonding strength with a base surface, time saving, labor saving and the like.
The sound insulation coating is suitable for multiple neighborhoods such as residential businesses (villas, high-end apartments, office buildings, parking lots), entertainment venues (nightclubs, bars, dance halls and KTVs), architectural acoustics (professional recording rooms, studio halls, cinemas, home cinemas, libraries, gymnasiums, musical instrument rooms and conference rooms), and is favored and approved by users due to excellent performances and qualities such as sound absorption, noise reduction, shock resistance, sound insulation, heat preservation, heat insulation, damping, noise reduction, fire prevention, bacteria resistance and the like.
The detection method of the sound insulation coating comprises standing wave tube detection, reverberation room detection and the like, the standing wave tube detection has high precision requirement on the edge of a sample, the error is large, the detection of the reverberation room can only test the sound absorption capacity of the material, the actual sound insulation capacity of the sound insulation coating cannot be tested, and the error of experimental data is also large.
The inventor finds that the prior arts have at least the following technical problems in the practical use process:
1. the existing sound insulation coating detection method is not suitable for floor sound insulation coating detection, noise on a floor is mainly solid conduction sound caused by walking, impact and the like of people, noise elimination materials for the floor eliminate noise from the aspects of reducing impact, absorption, conductivity and the like, and the noise elimination principle of the noise elimination materials is greatly different from the noise elimination principle of other noise elimination materials.
2. The existing noise elimination detection adopts simulated environment detection or directly detects a noise elimination material, the detection environment and the actual use environment have larger access, and only have reference significance, and the actual effect in normal use has no strict data support, so the method has defects in the improvement, popularization, effect test after installation and the like of products.
Disclosure of Invention
In order to overcome the defects, the inventor of the invention continuously reforms and innovates through long-term exploration and trial and multiple experiments and efforts, and provides a sound-insulation coating detection method, which can obtain the most accurate detection result aiming at the floor sound-insulation coating design special detection method and field detection environment, accurately judges the performance of the floor sound-insulation coating, and is beneficial to research, development and actual use effect test.
In order to achieve the purpose, the invention adopts the technical scheme that: the sound insulation coating detection method comprises the following steps: two blank rooms with the same size are selected and respectively positioned on two adjacent upper and lower different floors, the upper room is used as a sounding room, and the lower room is used as a receiving room;
coating sound insulation paint on the ground of the sound producing chamber, wherein the thickness of the sound insulation paint is 3mm, and arranging impact sound generating equipment in the sound producing chamber after drying;
sealing the bay window of the receiving chamber, performing detailed processing on a sealing gap of the bay window, and arranging a sliding receiving chamber sealing door;
after a test instrument is installed in the receiving room, a tester is left in the room to debug and calibrate the test instrument for testing, the sealing door is closed in a sliding mode, and the gap is sealed to be light-tight by using foaming glue;
measuring the reverberation time of the receiving chamber and storing reverberation time data;
randomly distributing the impact sound generating equipment on the ground of the sound producing chamber, ensuring that the distance between the impact sound generating equipment and the boundary of the floor slab is not less than 0.5m, starting the impact sound generating equipment to impact the ground to produce sound, and starting a testing instrument of the receiving chamber to measure data after the noise level is stable;
and measuring the data result of the combination of the positions of at least four microphones and the positions of at least four impact sound generating devices, wherein the whole test duration is 30 minutes, and processing and analyzing the test data by using acoustic analysis software after the data result is stored to obtain the final detection result.
According to the sound insulation coating detection method, a further preferable technical scheme is as follows: the testing instrument comprises an acoustic multi-channel signal analyzer, a power amplifier, a notebook computer, an omnidirectional sound source, a sound calibrator and a microphone unit, wherein the sound calibrator is used for calibrating the microphone unit, the power amplifier and the omnidirectional sound source are used for emitting white noise to measure the reverberation time of a receiving chamber, and the microphone unit, the acoustic multi-channel signal analyzer and the notebook computer are matched for receiving sound source data and analyzing and processing the data.
According to the sound insulation coating detection method, a further preferable technical scheme is as follows: the impact sound generating apparatus is an acoustic standard striker used to make a standard impact sound in a sound-emitting chamber.
According to the sound insulation coating detection method, a further preferable technical scheme is as follows: during testing, external sound is prevented from interfering with the test, including the influence of testers outside a room and the influence of the environment.
According to the sound insulation coating detection method, a further preferable technical scheme is as follows: and after the sound-insulating coating on the ground is coated, the sound-insulating coating needs to be maintained for three days and then is tested.
According to the sound insulation coating detection method, a further preferable technical scheme is as follows: when the 12mm cement board is used for sealing the floating window of the receiving chamber, the gap is scraped with dust and sealed to be light-tight.
According to the sound insulation coating detection method, a further preferable technical scheme is as follows: the sealing door of the receiving chamber is formed by stacking a plurality of 12mm cement plates, stainless steel is wrapped outside the door, and the door is connected by a screw rod.
According to the sound insulation coating detection method, a further preferable technical scheme is as follows: the upper end of the sealing door of the receiving chamber is provided with a track, and the lower end of the sealing door is provided with a roller to form a sliding closed sealing door.
According to the sound insulation coating detection method, a further preferable technical scheme is as follows: the number of the used 12mm cement boards is five, the cement boards are overlapped to form a regular thick board for use, and the size of the regular thick board corresponds to that of the window frame or the door frame.
According to the sound insulation coating detection method, a further preferable technical scheme is as follows: in conducting the test, only 2 testers were left in the receiving room for testing.
Compared with the prior art, the technical scheme of the invention has the following advantages/beneficial effects:
1. the method has the advantages that a special detection method and a field detection environment are designed for the floor sound-insulating coating, the most accurate detection result can be obtained, the performance of the floor sound-insulating coating is accurately judged, and research, development, popularization and actual use effect testing are facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view showing the internal structure of a room according to a sound-proofing paint inspection method of the present invention.
Fig. 2 is a schematic view showing the exterior structure of a room in accordance with a sound-proofing coating inspection method of the present invention.
Fig. 3 is a top view of a receiving chamber for an acoustic coating detection method of the present invention.
The labels in the figure are respectively: 1. the sound producing chamber 2, the receiving chamber 3, the sound insulation coating 4, the door opening 5, the sealing door 501, the guide rail 502, the roller 6, the sealing window 7, the impact sound generating equipment 8 and the test instrument.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
Example (b):
as shown in fig. 1-3, a sound-proof paint detection method comprises the following steps: two blank rooms with the same size are selected and respectively positioned on two adjacent upper and lower different floors, the upper room is used as a sounding room 1, and the lower room is used as a receiving room 2;
coating sound insulation paint with the thickness of 3mm on the ground of the sound producing chamber 1, arranging the impact sound generating equipment 7 in the sound producing chamber 1 after drying, and forming a sound insulation coating 3 by the dried paint;
sealing the bay window of the receiving chamber 2, performing detailed processing on a sealing gap of the bay window, and arranging a sliding receiving chamber 2 sealing door 5; the sealing door 5 substantially seals the door opening 4 of the receiving chamber 2, the sliding of the sealing door 5 is realized by the roller 502 structure of the guide rail 501, the guide rail 501 is positioned at the top end of the sealing door 5, the roller 502 is positioned at the bottom of the sealing door 5, and the gap caused by the roller 502 is reduced during the setting process. The sealing door 5 and the sealing window 6 are processed to reduce the influence of the external environment on the experiment, simulate the good living environment and realize the detection of the ground sound-insulating coating to the maximum extent. After a test instrument is installed in the receiving chamber 2, a tester is left in the room to debug and calibrate the test instrument 8 for testing, the sealing door 5 is closed in a sliding mode, and the gap is sealed to be light-tight by using foaming glue; the test person left in the room measures part 7 according to acoustic building and building component sound insulation: and (3) on-site measurement of floor impact sound insulation, which is specified in GB/T19889.7-2005 standard, and a test instrument 8 is installed, debugged and calibrated.
Measuring the reverberation time of the receiving chamber 2 and storing reverberation time data for subsequent analysis of the detection structure by acoustic analysis software;
the impact sound generation equipment 7 is randomly distributed and placed on the ground of the sound producing chamber 1, the distance between the impact sound generation equipment 7 and the floor slab boundary is not less than 0.5m, the impact sound generation equipment 7 is started to impact the ground to produce sound, and after the noise level is stable, a test instrument of the receiving chamber 2 starts to measure data;
and measuring the data result of the combination of the positions of at least four microphones and the positions of at least four impact sound generating devices 7, wherein the whole test duration is 30 minutes, and processing and analyzing the test data by using acoustic analysis software after the data result is stored to obtain the final detection result. And a plurality of groups of data are cross-compared to obtain more accurate data.
The testing instrument comprises an acoustic multi-channel signal analyzer, a power amplifier, a notebook computer, an omnidirectional sound source, a sound calibrator and a microphone unit, wherein the sound calibrator is used for calibrating the microphone unit, the power amplifier and the omnidirectional sound source are used for emitting white noise to measure the reverberation time of the receiving chamber 2, and the microphone unit, the acoustic multi-channel signal analyzer and the notebook computer are matched for receiving sound source data and analyzing and processing the data.
The impact sound generating device 7 is an acoustic standard striker which is used to make a standard impact sound in the sound-emitting chamber 1. Of course, other satisfactory noise producing devices may be used.
During testing, external sound is prevented from interfering with the test, including the influence of testers outside a room and the influence of the environment.
And after the sound-insulating coating on the ground is coated, the sound-insulating coating needs to be maintained for three days and then is tested.
When the 12mm cement board is used for sealing the bay window of the receiving chamber 2, the gap is scraped with dust and sealed to be light-tight. The sealing door 5 of the receiving chamber 2 is formed by combining a plurality of 12mm cement boards, stainless steel is wrapped outside the door, and the door is connected by a screw rod. The receiving chamber 2 has a sealing door 5 with a rail at the upper end and a roller 502 at the lower end to form a sliding-closed sealing door 5. The number of the used 12mm cement boards is five, the cement boards are overlapped to form a regular thick board for use, and the size of the regular thick board corresponds to that of the window frame or the door frame. Of course, other sealing means can be adopted for sealing during detection, and only the requirement of the test needs to be met.
When testing, only 2 testers are left in the receiving chamber 2 for testing, so that the influence of the testing environment is ensured to be small by the personnel as much as possible, and the minimum personnel required for operation is reserved.
This example tests a coating and finally the data obtained are as follows:
the test is carried out according to GB/T19889.7-2005, and the evaluation result of the floor impact sound and sound insulation performance of the sample according to GB/T50121-. The coating meets the requirements and can be used, and the detection method of the invention is effective.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (10)
1. A sound insulation coating detection method is characterized by comprising the following steps:
two blank rooms with the same size are selected and respectively positioned on two adjacent upper and lower different floors, the upper room is used as a sounding room, and the lower room is used as a receiving room;
coating sound insulation paint on the ground of the sound producing chamber, wherein the thickness of the sound insulation paint is 3mm, and arranging impact sound generating equipment in the sound producing chamber after drying;
sealing the bay window of the receiving chamber, performing detailed processing on a sealing gap of the bay window, and arranging a sliding receiving chamber sealing door;
after a test instrument is installed in the receiving room, a tester is left in the room to debug and calibrate the test instrument for testing, the sealing door is closed in a sliding mode, and the gap is sealed to be light-tight by using foaming glue;
measuring the reverberation time of the receiving chamber and storing reverberation time data;
randomly distributing the impact sound generating equipment on the ground of the sound producing chamber, ensuring that the distance between the impact sound generating equipment and the boundary of the floor slab is not less than 0.5m, starting the impact sound generating equipment to impact the ground to produce sound, and starting a testing instrument of the receiving chamber to measure data after the noise level is stable;
and measuring the data result of the combination of the positions of at least four microphones and the positions of at least four impact sound generating devices, wherein the whole test duration is 30 minutes, and processing and analyzing the test data by using acoustic analysis software after the data result is stored to obtain the final detection result.
2. The sound-proofing coating material detection method of claim 1, wherein the test instruments include an acoustic multichannel signal analyzer, a power amplifier, a notebook computer, an omnidirectional sound source, a sound calibrator, a microphone unit, the sound calibrator calibrates the microphone unit, the power amplifier and the omnidirectional sound source emit white noise to measure the reverberation time of the receiving chamber, and the microphone unit, the acoustic multichannel signal analyzer and the notebook computer cooperate to receive sound source data and analyze processed data.
3. The acoustical insulation paint detection method of claim 1, wherein the impact sound generating device is an acoustic standard striker, and the acoustic standard striker is used to generate a standard impact sound in the sound production chamber.
4. The sound-proofing coating inspection method of claim 1, wherein the test is performed while avoiding external sounds from interfering with the test, including the influence of testers outside the room and environmental influences.
5. The method for detecting sound-insulating paint as claimed in claim 1, wherein the sound-insulating paint on the ground is cured for three days after being painted and then the test is performed.
6. The sound-proofing coating detection method of claim 1, wherein when a 12mm cement board is used to seal a bay window of the receiving chamber, the gap is sealed to be opaque by scraping ash.
7. The sound-proofing coating detection method of claim 6, wherein the receiving chamber is formed by stacking a plurality of 12mm cement boards, and stainless steel is wrapped around the door and is linked by a screw.
8. The sound-proofing coating inspection method of claim 7, wherein the receiving chamber is provided with a rail at the upper end and a roller at the lower end to form a sliding-closed sealing door.
9. The sound-proofing coating inspection method according to claim 6 or 7, wherein five cement boards of 12mm are used, and they are stacked to form a regular thick plate, and the size of the plate corresponds to the size of the window frame or door frame.
10. The sound-proofing coating inspection method of claim 1, wherein only 2 testers are left in the receiving room for testing.
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| 王俊祥，陈 源: "隔音涂料在静音方舱开发中的研究", 新技术新工艺, pages 52 - 54 * |
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