CN106289827A - A kind of detection device of door and window sound insulation property - Google Patents
A kind of detection device of door and window sound insulation property Download PDFInfo
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- CN106289827A CN106289827A CN201510320957.9A CN201510320957A CN106289827A CN 106289827 A CN106289827 A CN 106289827A CN 201510320957 A CN201510320957 A CN 201510320957A CN 106289827 A CN106289827 A CN 106289827A
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Abstract
The invention discloses the detection device of a kind of door and window sound insulation property, including casing, speaker, the adjustable amplifier of output, signal generator, the first dB meter, the second dB meter and computer, described casing includes being sequentially connected with sound source room, detection plate and receiving chamber.The present invention is by being measured the intensity of sound of two Room by the first dB meter of sound source room and the second dB meter of receiving chamber simultaneously, the reading of the first dB meter of sound source room and the second dB meter of receiving chamber is subtracted each other the sound insulation property to obtain required detection building doors and windows, such detection device takes up room little, can move, easy to detect, test specimen to be detected does not has size limitation, simplifies test step and plays and do not affected by anthropic factor, and measurement result is more accurate.
Description
Technical field
The present invention relates to sound insulation detection device technique field, particularly relate to the detection dress of a kind of door and window sound insulation property
Put.
Background technology
Sound insulation is one of critical function of building external doors and windows, the good outer door and window of defening effect can effectively every
Noise outer without offspring, to the work of people, learns and has a rest to create good environment, utilize building external doors and windows
Sound insulation is the important means of preventing and treating noise. for building, door and window is poor relative to sound insulation property for body of wall
Some, be the weak link of Sound insulation for building, and the sound insulation property of the components such as building doors and windows is proposed higher by people
Requirement.The sound insulation property the most how detecting and evaluating the components such as building doors and windows is particularly significant.
The sound insulation value detection device of the components such as current building doors and windows by laboratory and measures equipment two parts group
Become.
Laboratory has adjacent reverberation chamber between two (sound source room and receiving chamber) to form, for test hole between two Room,
In order to install test specimen.The volume of two test rooms at least differs 10%, and the volume of each test room should be extremely
Few 50m3.The body of wall of reverberation chamber is generally lightweight brick wall body of wall, and one side is plastered (mass area ratio 100kg/
), include the independence lining paste layer of 12.5mm thickness plasterboard at its side installation kit, between body of wall and lining paste layer
Cavity 50mm, and place mineral wool.
Test hole is generally 10.
Measurement equipment includes sound system and reception system.Sound system is by noise maker, third-octave filter
Ripple device, function rate amplifier and speaker composition；Accept system to be divided by microphone, amplifier, third-octave
Parser and grapher composition.
Operation principle: noise maker produces the sound of required frequency range, third octave filter filters and makes an uproar
After sound, amplify through power amplifier, speaker produce sound in sound source room, regulate the merit of power amplifier
Rate can obtain required intensity of sound.Simultaneously by the microphone of sound source room and the microphone of receiving chamber to test specimen
The intensity of sound on both sides measures that (test result is successively by amplifier-third-octave analyzer-grapher
Coordinate and realize), by the grapher reading of the grapher of sound source room with receiving chamber is subtracted each other,
Obtain the sound insulation property of test specimen to be detected.
The existing shortcoming existed every sound detection device:
Laboratory need to be put into and measure equipment (the longest 15m of requisite space, wide 6m, high 5m) with the sound insulation of specialty,
With high costs, detection need to send test specimen to detect to fixing laboratory every time.
The specification of test specimen is required: conventional: 1.5M*1.5M, minimum gauge: 1.5M*1.2M, less than this
Specification need to be built a wall at hole.
The area built a wall is the biggest, and testing result error is the biggest.Specimen size is less than 0.8M*0.6M, detection
Result there will be mistake.
Test result is easily affected by anthropic factor.
Owing to the space of laboratory is relatively big, the material sound absorption of wall body structure is the highest, to survey with anti-acoustic mass precision
The precision of test result can produce impact.
Summary of the invention
The present invention proposes the detection device of a kind of door and window sound insulation property, solves sound insulation property inspection in prior art
Survey complicated and detect inaccurate problem.
The technical scheme is that and be achieved in that:
The detection device of a kind of door and window sound insulation property, including casing, speaker, the adjustable amplification of output
Device, signal generator, the first dB meter, the second dB meter and computer, described casing includes being sequentially connected with
Sound source room, detection plate and receiving chamber, described sound source room is provided with the first opening, and described receiving chamber is provided with described
The second opening that first opening matches, described first opening and described second opening are by described detection plate even
Connecing, described detection plate is provided with detection mouth, described speaker, the adjustable amplifier of described output and institute
Stating signal generator to be sequentially connected with, described speaker is located in described sound source room, described first dB meter and institute
Stating computer to connect, described second dB meter is connected with described computer, and described first dB meter is located at described
In sound source room, described second dB meter is located in described receiving chamber.
Further, described sound source room is made up of the first composite board, described first composite board by from outward to
The first substrate, the first acoustic board, the first sound insulationg board and the first anti-sound board that are inside sequentially connected with are constituted.
Further, described first substrate is plank, and described first acoustic board is polyester fiber acoustic board, institute
Stating the first sound insulationg board is fiber crops union blankets, and described second anti-sound board is corrosion resistant plate.
Further, described receiving chamber is made up of the second composite board, described second composite board by from outward to
The second substrate, the second sound insulationg board and the second acoustic board that are inside sequentially connected with are constituted.
Further, described second substrate is plank, and described second sound insulationg board is fiber crops union blankets, described second
Acoustic board is polyester fiber acoustic board.
Further, during described first dB meter and described second dB meter are with described detection plate as symmetry
The heart is symmetrical arranged.
Further, the described adjustable amplifier of output and described signal generator are located at described case
External.
Further, described computer is located at outside described casing.
Implement beneficial effects of the present invention to have:
The present invention is sound to two Room simultaneously by the second dB meter by the first dB meter of sound source room and receiving chamber
Loudness of a sound degree measures, and is subtracted each other i.e. by the reading of the first dB meter of sound source room and the second dB meter of receiving chamber
Can obtain the sound insulation property of required detection building doors and windows, such detection device takes up room little, can move,
Easy to detect, test specimen to be detected does not has size limitation, simplifies test step and plays and do not affected by anthropic factor,
Measurement result is more accurate.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the perspective view of detection one embodiment of device of the present invention a kind of door and window sound insulation property；
Fig. 2 be the present invention a kind of door and window sound insulation property detection one embodiment of device the first composite plate
Cross-sectional structure schematic diagram；
Fig. 3 be the present invention a kind of door and window sound insulation property detection one embodiment of device the second composite plate
Cross-sectional structure schematic diagram；
Figure number and explanation thereof:
1, sound source room；2, receiving chamber；3, speaker；4, the adjustable amplifier of output；5, signal
Generator；6, the first dB meter；7, the second dB meter；8, detection plate；9, computer；10, first
Substrate；11, the first acoustic board；12, the first sound insulationg board；13, the first anti-sound board；14, second substrate；
15, the second sound insulationg board；16, the second acoustic board.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
Referring to figs. 1 through Fig. 3, the detection device of a kind of door and window sound insulation property that the present invention provides, including casing,
The adjustable amplifier of speaker 3, output 4, signal generator the 5, first dB meter 6, second decibel
Meter 7 and computer 9, casing includes being sequentially connected with sound source room 1, detection plate 8 and receiving chamber 2, sound source room 1
Being provided with the first opening, receiving chamber 2 is provided with the second opening matched with the first opening, the first opening and second
Opening is connected by detection plate 8, and detection plate 8 is provided with detection mouth, and speaker 3, output are adjustable to be put
Big device 4 and signal generator 5 are sequentially connected with, and speaker 3 is located in sound source room 1, the first dB meter 6 with
Computer 9 connects, and the second dB meter 7 is connected with computer 9, and the first dB meter 6 is located in sound source room 1,
Second dB meter 7 is located in receiving chamber 2.Casing is rectangular box, and sound source room 1 is rectangular box
Half, receiving chamber is second half of rectangular box, and the detection mouth on detection plate 8 is used for installing required detection
Building doors and windows.Signal generator 5 produces the acoustical signal of the frequency range required for test, through output work
Rate adjustable amplifier 4 amplifies receives speaker 3.The adjustable amplifier of output 4 is used for regulating speaker
The intensity of sound produced.Speaker 3 produces the sound required for measuring in sound source room 1.First dB meter 6
It is all to be connected to computer 9 by RS232 interface with the second dB meter 7.
Sound source room 1 is made up of the first composite board, and the first composite board is by first be sequentially connected with from outside to inside
Substrate the 10, first acoustic board the 11, first sound insulationg board 12 and the first anti-sound board 13 are constituted；First substrate 10
Being the plank of 25mm for thickness, the first acoustic board 11 is for the polyester fiber acoustic board that thickness is 30mm,
First sound insulationg board 12 is 1.5mm's for the numb union blanket that thickness is 20mm, the second anti-sound board 13 for thickness
Corrosion resistant plate；Sound source room 1 by above, below, the left side, the most totally five piece of first composite plate form.
Receiving chamber 2 is made up of the second composite board, and the second composite board is by second be sequentially connected with from outside to inside
Substrate the 14, second sound insulationg board 15 and the second acoustic board 16 are constituted；Second substrate 14 is 25mm's for thickness
Plank, the second sound insulationg board 15 is 30mm for the numb union blanket that thickness is 20mm, the second acoustic board 16 for thickness
Polyester fiber acoustic board；Receiving chamber by above, below, the right side, the most totally five piece second be combined
Plate forms.
First dB meter 6 is symmetrical arranged for symmetrical centre with detection plate 8 with the second dB meter 7.First decibel
Meter 6 is placed at distance detection plate 8 center 50mm, and the second dB meter 7 is placed in distance detection plate 8
At the 50mm of center, the result that so can make detection is more accurate.
The adjustable amplifier of output 4 and signal generator 5 are located at outside casing, and casing is located at by computer 9
Outward.Concrete installation site can require to arrange according to actual use.
The operation principle of the present invention is as follows:
Signal generator 5 produces the acoustical signal of the frequency range required for test, adjustable through output
Amplifier 4 amplify and receive speaker 3, computer 9 is by the first dB meter 6 and the second dB meter 7 simultaneously
The intensity of sound of sound source room 1 and receiving chamber 2 is measured, after measurement, the measurement of sound source room 1 is arrived
The reading of dB meter deducts receiving chamber 2 and measures the reading of the dB meter arrived, and can obtain building doors and windows to be detected
Sound insulation property Deng component.
In sum, the present invention passes through the second dB meter of the first dB meter by sound source room and receiving chamber simultaneously
The intensity of sound of two Room is measured, by the second dB meter of the first dB meter of sound source room and receiving chamber
Reading subtracts each other to obtain the required sound insulation property detecting building doors and windows, and such detection device takes up room little,
Can move, easy to detect, test specimen to be detected does not has size limitation, simplify test step play and not by artificial because of
The impact of element, measurement result is more accurate.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (8)
1. the detection device of a door and window sound insulation property, it is characterised in that include casing, speaker, output
The amplifier of power adjustable, signal generator, the first dB meter, the second dB meter and computer, described case
Body includes being sequentially connected with sound source room, detection plate and receiving chamber, and described sound source room is provided with the first opening, described in connect
It is logical that receipts room is provided with the second opening matched with described first opening, described first opening and described second opening
Crossing described detection plate to connect, described detection plate is provided with detection mouth, and described speaker, described output can
Amplifier and the described signal generator adjusted are sequentially connected with, and described speaker is located in described sound source room, described
First dB meter is connected with described computer, and described second dB meter is connected with described computer, and described first
DB meter is located in described sound source room, and described second dB meter is located in described receiving chamber.
The detection device of door and window sound insulation property the most according to claim 1, it is characterised in that described sound
Source chamber is made up of the first composite board, described first composite board by the first substrate being sequentially connected with from outside to inside,
First acoustic board, the first sound insulationg board and the first anti-sound board are constituted.
The detection device of door and window sound insulation property the most according to claim 2, it is characterised in that described
One substrate is plank, and described first acoustic board is polyester fiber acoustic board, and described first sound insulationg board is fiber crops cotton wools
Blanket, described second anti-sound board is corrosion resistant plate.
The detection device of door and window sound insulation property the most according to claim 1 and 2, it is characterised in that institute
Stating receiving chamber to be made up of the second composite board, described second composite board is by second be sequentially connected with from outside to inside
Substrate, the second sound insulationg board and the second acoustic board are constituted.
The detection device of door and window sound insulation property the most according to claim 4, it is characterised in that described
Two substrates are plank, and described second sound insulationg board is fiber crops union blankets, and described second acoustic board is polyester fiber sound absorption
Plate.
The detection device of door and window sound insulation property the most according to claim 1, it is characterised in that described institute
State the first dB meter to be symmetrical arranged for symmetrical centre with described detection plate with described second dB meter.
The detection device of door and window sound insulation property the most according to claim 1, it is characterised in that described institute
State the adjustable amplifier of output and described signal generator is located at outside described casing.
The detection device of door and window sound insulation property the most according to claim 1, it is characterised in that described meter
Calculation machine is located at outside described casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510320957.9A CN106289827A (en) | 2015-06-11 | 2015-06-11 | A kind of detection device of door and window sound insulation property |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510320957.9A CN106289827A (en) | 2015-06-11 | 2015-06-11 | A kind of detection device of door and window sound insulation property |
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| CN106289827A true CN106289827A (en) | 2017-01-04 |
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| CN201510320957.9A Pending CN106289827A (en) | 2015-06-11 | 2015-06-11 | A kind of detection device of door and window sound insulation property |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107621494A (en) * | 2017-09-27 | 2018-01-23 | 福耀玻璃工业集团股份有限公司 | A kind of glass sound insulation value contrasts device |
| CN109579980A (en) * | 2018-11-28 | 2019-04-05 | 中车长春轨道客车股份有限公司 | The sound insulation measurement method of track vehicle door system based on reverberation chamber and anechoic room |
| CN109917020A (en) * | 2019-03-15 | 2019-06-21 | 镇江市建设工程质量检测中心有限公司 | Door and window sound insulation detection device |
| CN110118827A (en) * | 2019-06-19 | 2019-08-13 | 盈普声学（惠州）有限公司 | A kind of structures sound insulation measurement equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621494A (en) * | 2017-09-27 | 2018-01-23 | 福耀玻璃工业集团股份有限公司 | A kind of glass sound insulation value contrasts device |
| CN109579980A (en) * | 2018-11-28 | 2019-04-05 | 中车长春轨道客车股份有限公司 | The sound insulation measurement method of track vehicle door system based on reverberation chamber and anechoic room |
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| CN110118827A (en) * | 2019-06-19 | 2019-08-13 | 盈普声学（惠州）有限公司 | A kind of structures sound insulation measurement equipment |
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Application publication date: 20170104 |