CN204882107U - Detection apparatus for door and window sound insulation property - Google Patents
Detection apparatus for door and window sound insulation property Download PDFInfo
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- CN204882107U CN204882107U CN201520401553.8U CN201520401553U CN204882107U CN 204882107 U CN204882107 U CN 204882107U CN 201520401553 U CN201520401553 U CN 201520401553U CN 204882107 U CN204882107 U CN 204882107U
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- sound
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- decibelmeter
- door
- insulation property
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Abstract
The utility model discloses a detection apparatus for door and window sound insulation property, including box, speaker, output adjustable amplifier, signal generator, first decibel meter, second decibel meter and computer, the box is including connecting gradually sound source room, pick -up plate and receiving chamber. The utility model discloses a second decibel meter by the first decibel meter of sound source room and receiving chamber is measured the acoustic intensity of two rooms simultaneously, with the reading of the second decibel meter of the first decibel meter of sound source room and receiving chamber subtract each other can required detection building door and window's sound insulation property, such detection device occupation space is little, can remove, detects the convenience, it does not have the dimensional limit to wait to detect the test piece, retrencies that the test step is played and does not receive the influence of human factor, measuring result is more accurate.
Description
Technical field
The utility model relates to sound insulation pick-up unit technical field, refers to a kind of pick-up unit of door and window sound insulation property especially.
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 completely cut off outdoor noise effectively, to the work of people, good environment is created in study and rest, utilizing building external doors and windows to insulate against sound is the important means of preventing and treating noise. for buildings, door and window is less better relative to sound insulation property body of wall, is the weak link of Sound insulation for building, and people propose higher requirement to the sound insulation property of the components such as building doors and windows.Therefore how the sound insulation property of the component such as detecting and assessing building doors and windows is very important.
The sound insulation value pick-up unit of the components such as current building doors and windows is made up of laboratory and measuring equipment two parts.
Laboratory is adjacent reverberation chamber (sound source room and receiving chamber) composition between having two, is test hole, in order to install test specimen between two Room.The volume of two test rooms at least differs 10%, and the volume of each test room should at least 50m
3.The body of wall of reverberation chamber is generally lightweight brick wall body of wall, and one side is plastered (mass area ratio 100kg/ ㎡), draws together the independence lining paste layer of the thick plasterboard of 12.5mm, the cavity 50mm between body of wall and lining paste layer, and place mineral wool at its side installation kit.
Test hole is generally 10 ㎡.
Measuring equipment comprises sound system and receiving system.Sound system is made up of noise generator, third octave filter, function rate amplifier and loudspeaker; The system that accepts is made up of microphone, amplifier, third-octave analyzer and register instrument.
Principle of work: noise generator produces the sound of required frequency range, after third octave filter's filtered noise, amplify through power amplifier, produce sound by loudspeaker in sound source room, the power of regulating power amplifier can obtain required intensity of sound.By the microphone of sound source room and the microphone of receiving chamber, the intensity of sound to test specimen both sides is measured (test result coordinates realization by amplifier-third-octave analyzer-register instrument successively) simultaneously, by being subtracted each other by the register instrument reading of the register instrument of sound source room and receiving chamber, the sound insulation property of test specimen to be detected can be obtained.
The shortcoming that existing sound insulation pick-up unit exists:
Need drop into laboratory and professional sound insulation measuring equipment (the about long 15m of requisite space, wide 6m, high 5m), with high costs, each detection need send test specimen to detect to fixing laboratory.
Requirement is had: conventional: 1.5M*1.5M, minimum gauge: 1.5M*1.2M, need build a wall at hole lower than this specification to the specification of test specimen.
The area of building a wall is larger, and testing result error is larger.Specimen size is less than 0.8M*0.6M, and testing result there will be mistake.
Test result is subject to the impact of human factor.
Because the space in laboratory is comparatively large, the material sound absorption of wall body structure is not high with anti-acoustic mass precision, can have an impact to the precision of test result.
Utility model content
The utility model proposes a kind of pick-up unit of door and window sound insulation property, solve sound insulation property detection of complex and the inaccurate problem of detection in prior art.
The technical solution of the utility model is achieved in that
A kind of pick-up unit of door and window sound insulation property, comprise casing, loudspeaker, the amplifier that output power is adjustable, signal generator, first decibelmeter, second decibelmeter and computing machine, described casing comprises and connects sound source room successively, check-out console and receiving chamber, described sound source room is provided with the first opening, described receiving chamber is provided with the second opening matched with described first opening, described first opening is connected by described check-out console with described second opening, described check-out console is provided with detection mouth, described loudspeaker, the amplifier that described output power is adjustable is connected successively with described signal generator, described loudspeaker is located in described sound source room, described first decibelmeter is connected with described computing machine, described second decibelmeter is connected with described computing machine, described first decibelmeter is located in described sound source room, described second decibelmeter is located in described receiving chamber.
Further, described sound source room is made up of the first composite board, and described first composite board is made up of the first substrate connected successively from outside to inside, the first acoustic board, the first sound insulationg board and the first anti-sound board.
Further, described first substrate is plank, and described first acoustic board is dacron acoustic board, and described first sound insulationg board is numb union blanket, and described first anti-sound board is corrosion resistant plate.
Further, described receiving chamber is made up of the second composite board, and described second composite board is made up of the second substrate connected successively from outside to inside, the second sound insulationg board and the second acoustic board.
Further, described second substrate is plank, and described second sound insulationg board is numb union blanket, and described second acoustic board is dacron acoustic board.
Further, described first decibelmeter and described second decibelmeter with described check-out console for symcenter is symmetrical arranged.
Further, the amplifier that described output power is adjustable and described signal generator are located at outside described casing.
Further, described computing machine is located at outside described casing.
Enforcement the beneficial effects of the utility model have:
The utility model is by being measured the intensity of sound of two Room by the first decibelmeter of sound source room and the second decibelmeter of receiving chamber simultaneously, the reading of the first decibelmeter of sound source room and the second decibelmeter of receiving chamber is subtracted each other to obtain the required sound insulation property detecting building doors and windows, such pick-up unit takes up room little, can move, easy to detect, test specimen to be detected does not have size to limit, and simplify test step and play and the impact not being subject to human factor, measurement result is more accurate.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view of a pick-up unit embodiment of a kind of door and window sound insulation property of the utility model;
Fig. 2 be a pick-up unit embodiment of a kind of door and window sound insulation property of the utility model the cross-sectional structure schematic diagram of the first composite plate;
Fig. 3 be a pick-up unit embodiment of a kind of door and window sound insulation property of the utility model the cross-sectional structure schematic diagram of the second composite plate;
Figure number and explanation thereof:
1, sound source room; 2, receiving chamber; 3, loudspeaker; 4, the amplifier that output power is adjustable; 5, signal generator; 6, the first decibelmeter; 7, the second decibelmeter; 8, check-out console; 9, computing machine; 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.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to figs. 1 through Fig. 3, the pick-up unit of a kind of door and window sound insulation property that the utility model provides, comprise casing, loudspeaker 3, the amplifier 4 that output power is adjustable, signal generator 5, first decibelmeter 6, second decibelmeter 7 and computing machine 9, casing comprises and connects sound source room 1 successively, check-out console 8 and receiving chamber 2, sound source room 1 is provided with the first opening, receiving chamber 2 is provided with the second opening matched with the first opening, first opening is connected by check-out console 8 with the second opening, check-out console 8 is provided with detection mouth, loudspeaker 3, the amplifier 4 that output power is adjustable is connected successively with signal generator 5, loudspeaker 3 is located in sound source room 1, first decibelmeter 6 is connected with computing machine 9, second decibelmeter 7 is connected with computing machine 9, first decibelmeter 6 is located in sound source room 1, second decibelmeter 7 is located in receiving chamber 2.Casing is rectangular box, and sound source room 1 is the half of rectangular box, and receiving chamber is second half of rectangular box, and the detection mouth on check-out console 8 requiredly detects building doors and windows for installing.Signal generator 5 produces the voice signal of the frequency range required for test, amplifies receive loudspeaker 3 through the amplifier 4 that output power is adjustable.The amplifier 4 that output power is adjustable be used for regulate loudspeaker produce intensity of sound.Loudspeaker 3 produces the sound required for measuring in sound source room 1.First decibelmeter 6 and the second decibelmeter 7 are all be connected to computing machine 9 by RS232 interface.
Sound source room 1 is made up of the first composite board, and the first composite board is made up of first substrate 10, first acoustic board 11, first sound insulationg board 12 connected successively from outside to inside and the first anti-sound board 13; First substrate 10 for thickness be the plank of 25mm, the first acoustic board 11 is for thickness is the dacron acoustic board of 30mm, the first sound insulationg board 12 for thickness be the numb union blanket of 20mm, the first anti-sound board 13 for thickness be the corrosion resistant plate of 1.5mm; Sound source room 1 is by above, below, the left side, above and below totally five piece of first composite plate forms.
Receiving chamber 2 is made up of the second composite board, and the second composite board is made up of second substrate 14, second sound insulationg board 15 connected successively from outside to inside and the second acoustic board 16; Second substrate 14 for thickness be the plank of 25mm, the second sound insulationg board 15 for thickness be the numb union blanket of 20mm, the second acoustic board 16 for thickness be the dacron acoustic board of 30mm; Receiving chamber is by above, below, the right side, above and below totally five piece of second composite plate forms.
First decibelmeter 6 and the second decibelmeter 7 with check-out console 8 for symcenter is symmetrical arranged.First decibelmeter 6 is placed in distance 50mm place, check-out console 8 center, and the second decibelmeter 7 is placed in distance 50mm place, check-out console 8 center, and the result of detection can be made so more accurate.
The amplifier 4 that output power is adjustable and signal generator 5 are located at outside casing, and computing machine 9 is located at outside casing.Concrete installation site can be arranged according to the request for utilization of reality.
Principle of work of the present utility model is as follows:
Signal generator 5 produces the voice signal of the frequency range required for test, amplify through the amplifier 4 that output power is adjustable and receive loudspeaker 3, computing machine 9 is measured the intensity of sound of sound source room 1 and receiving chamber 2 by the first decibelmeter 6 and the second decibelmeter 7 simultaneously, after measurement, the reading measuring decibelmeter of sound source room 1 is deducted the reading of the decibelmeter that receiving chamber 2 measures, the sound insulation property of the components such as building doors and windows to be detected can be obtained.
In sum, the utility model is by being measured the intensity of sound of two Room by the first decibelmeter of sound source room and the second decibelmeter of receiving chamber simultaneously, the reading of the first decibelmeter of sound source room and the second decibelmeter of receiving chamber is subtracted each other to obtain the required sound insulation property detecting building doors and windows, such pick-up unit takes up room little, can move, easy to detect, test specimen to be detected does not have size to limit, simplify test step to play and the impact not being subject to human factor, measurement result is more accurate.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. the pick-up unit of a door and window sound insulation property, it is characterized in that, comprise casing, loudspeaker, the amplifier that output power is adjustable, signal generator, first decibelmeter, second decibelmeter and computing machine, described casing comprises and connects sound source room successively, check-out console and receiving chamber, described sound source room is provided with the first opening, described receiving chamber is provided with the second opening matched with described first opening, described first opening is connected by described check-out console with described second opening, described check-out console is provided with detection mouth, described loudspeaker, the amplifier that described output power is adjustable is connected successively with described signal generator, described loudspeaker is located in described sound source room, described first decibelmeter is connected with described computing machine, described second decibelmeter is connected with described computing machine, described first decibelmeter is located in described sound source room, described second decibelmeter is located in described receiving chamber.
2. the pick-up unit of door and window sound insulation property according to claim 1, it is characterized in that, described sound source room is made up of the first composite board, and described first composite board is made up of the first substrate connected successively from outside to inside, the first acoustic board, the first sound insulationg board and the first anti-sound board.
3. the pick-up unit of door and window sound insulation property according to claim 2, is characterized in that, described first substrate is plank, and described first acoustic board is dacron acoustic board, and described first sound insulationg board is numb union blanket, and described first anti-sound board is corrosion resistant plate.
4. the pick-up unit of door and window sound insulation property according to claim 1 and 2, it is characterized in that, described receiving chamber is made up of the second composite board, and described second composite board is made up of the second substrate connected successively from outside to inside, the second sound insulationg board and the second acoustic board.
5. the pick-up unit of door and window sound insulation property according to claim 4, is characterized in that, described second substrate is plank, and described second sound insulationg board is numb union blanket, and described second acoustic board is dacron acoustic board.
6. the pick-up unit of door and window sound insulation property according to claim 1, is characterized in that, described first decibelmeter and described second decibelmeter with described check-out console for symcenter is symmetrical arranged.
7. the pick-up unit of door and window sound insulation property according to claim 1, is characterized in that, the amplifier that described output power is adjustable and described signal generator are located at outside described casing.
8. the pick-up unit of door and window sound insulation property according to claim 1, is characterized in that, described computing machine is located at outside described casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401553.8U CN204882107U (en) | 2015-06-11 | 2015-06-11 | Detection apparatus for door and window sound insulation property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401553.8U CN204882107U (en) | 2015-06-11 | 2015-06-11 | Detection apparatus for door and window sound insulation property |
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| Publication Number | Publication Date |
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| CN204882107U true CN204882107U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520401553.8U Expired - Fee Related CN204882107U (en) | 2015-06-11 | 2015-06-11 | Detection apparatus for door and window sound insulation property |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929026A (en) * | 2016-06-12 | 2016-09-07 | 广东省建筑科学研究院集团股份有限公司 | Impact sound insulation performance testing device for sound insulation material for floor slab and testing method for device |
| CN106289827A (en) * | 2015-06-11 | 2017-01-04 | 广州行盛玻璃幕墙工程有限公司 | A kind of detection device of door and window sound insulation property |
| 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 |
-
2015
- 2015-06-11 CN CN201520401553.8U patent/CN204882107U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289827A (en) * | 2015-06-11 | 2017-01-04 | 广州行盛玻璃幕墙工程有限公司 | A kind of detection device of door and window sound insulation property |
| CN105929026A (en) * | 2016-06-12 | 2016-09-07 | 广东省建筑科学研究院集团股份有限公司 | Impact sound insulation performance testing device for sound insulation material for floor slab and testing method for device |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20210611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |