CN101980324A - Floating floor soundproof effect demonstration model device - Google Patents
Floating floor soundproof effect demonstration model device Download PDFInfo
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- CN101980324A CN101980324A CN 201010553109 CN201010553109A CN101980324A CN 101980324 A CN101980324 A CN 101980324A CN 201010553109 CN201010553109 CN 201010553109 CN 201010553109 A CN201010553109 A CN 201010553109A CN 101980324 A CN101980324 A CN 101980324A
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Abstract
The invention discloses a floating floor soundproof effect demonstration model device, which is combined by two-layer four room models arranged in a three-dimensional shape like a Chinese character tian. Two upper and lower room models on the left and two upper and lower room models on the right are separated by floorslabs with different structures; enclosure structures of two room models positioned on the upper layer are made of transparent materials; a soundproof felt can be arranged between the enclosure structures of two room models positioned on the upper layer, and on the outsides of enclosure structures of the lower-layer room models so as to avoid sound leakage interference; centers of roofs of two room modes on the upper layer are respectively provided with a hole for a small steel ball to enter the room; and the enclosure structures of the two room models positioned on the lower layer are respectively provided with a sound level meter. The floating floor soundproof effect demonstration model can facilitate viewing a soundproof structure and soundproof effect, saves materials, and is convenient to transport and display. By two modes of the bouncing action of the small steel ball and the reading of the sound level meter, the impact sound insulation effect of the floating floor materials is intuitively displayed and a viewer can operate the model independently.
Description
Technical field
The present invention relates to a kind of floor acoustic construction that is used for and show the model of showing with defening effect.
Background technology
The floating build floor structure is the effective ways that solve floor strike note noise problem.When common floor was subjected to clashing into, fluctuation that bump produces and energy can not get weakening, and sound can directly import into downstairs, forms noise.And the floating build floor structure can effectively address this problem.So-called floating build floor structure promptly on structure floor, is installed a concrete cushion that wraps up with damping material, forms concrete-damping material-concrete sandwich structure.The vibration attenuation mechanism of floating build floor and spring-like seemingly, when object strikes was to floor, the vibration wave that bump produces can be cushioned by damping material, its energy can be absorbed and dissipate, and strike note is cut down.
The defening effect of existing floating build floor need embody by the model room by reality in dwelling house usually.Carry out the defening effect simulation in the model room in building and not only the sound insulation of body of wall is required height, the floor construction construction is also comparatively complicated, needs many people to cooperate and just can finish, and operational sequence complexity, experimentation cost are higher.Existing method also can't show the sound insulating structure of floating build floor, can not intuitively show the contrast defening effect between floating build floor and the normal concrete floor.
Summary of the invention
The invention provides a kind of floating build floor defening effect demonstrating model device, the acoustic construction and the defening effect that solve floating build floor can't intuitively show, sound insulation test method complexity, not easy to operate, technical matters that cost is high.
The technical solution adopted for the present invention to solve the technical problems is:
This floating build floor defening effect demonstrating model device, combine by being two-layer four room models that three-dimensional matrix pattern arranges, two room models in left side are big or small and structure is identical with two room models on right side, and two room models up and down in left side and two room models up and down on right side are separated by by heteroid floor respectively;
The building enclosure that is positioned at two room models on upper strata adopts transparent material, and respectively has a hole that is used to make in the little steel ball input room at the center, roof of two the room models in upper strata;
The building enclosure that is positioned at two room models of lower floor respectively is equipped with a sound meter, and the probe of described sound meter inserts the same position of model inside, two rooms of lower floor respectively.
Respectively have a fan view window on the building enclosure of two room models of described lower floor, the probe of described sound meter passes the hole of opening on the view window, is sealed by glass cement all around.
The building enclosure of described four room models all adopts double-deck organic glass or simple glass, accompany one deck 2～4mm deadening felt between the building enclosure of room, two upper stratas model, the outside whole parcel of the view window one deck 2～4mm deadening felt that removes of lower floor's room building enclosure.
The model inside, two rooms of described lower floor is erected with a support frame respectively, and floor is supported on the support frame.
Described in being separated by by floating build floor between two room models up and down of left side, in being separated by by the normal concrete floor between two room models up and down of right side, perhaps be separated by by the floating build floor that uses different materials respectively.
Described floating build floor is made of basic unit's floor, vibration damping acoustic pad and concrete cushion, and the vibration damping acoustic pad is fitted by the closed pore foaming cushion of two-layer at least different densities or unlike material and formed, and vibration damping acoustic pad front is evenly distributed with groove.
The thickness of described vibration damping acoustic pad is 4～8mm, and the building enclosure junction of vibration damping acoustic pad and room model is done flange and handled.
Described closed pore foaming cushion thickness in monolayer is more than 2 millimeters, and density increases gradually from top to bottom.
The groove in described floating build floor vibration damping acoustic pad front is oval-shaped groove, circular groove or is interspersed by the two that the spacing between the groove is 4～10mm.
This floating build floor defening effect demenstration method when carrying out the demonstration of floor defening effect, is opened the sound meter of two room models of lower floor earlier; Then two sizes, little steel ball that quality is all identical are dropped in the hole on model roof, room, two upper stratas respectively, little steel ball free-falling is also clashed into two heteroid floors respectively; Afterwards, observe the different of little steel ball jumping height and spring number of times, and record the sound level size that two lower floor's room models receive, be i.e. the strike note size of arbitrarily downgrading by the sound meter reading.
Beneficial effect of the present invention is as follows:
This floating build floor defening effect demonstrating model provides the expression method of a minification, conveniently watches acoustic construction and effect, has saved with material and cost, and convenient transportation is showed.
The present invention is made up of two-layer four rooms that matrix pattern is arranged.Upper strata resident family in room, the top simulation dwelling house.The room uses transparent poly (methyl methacrylate) plate to make building enclosure, accompanies one deck deadening felt between the building enclosure in room, two upper stratas to improve the air-borne sound oise insulation factor between the room, avoids leaking mutually acoustic jamming.The building enclosure in lower floor room is removed the view window position can integral body wrap up deadening felt, can avoid external noise that the lower floor room is produced and disturb, and guarantees the accurate of test result.There is the circular hole of the about 50mm of a diameter at the top board center, and the small ball that produces strike note can drop into the room thus.
Between levels, be separated by by two blocks of thick concrete floors of 75mm; Wherein make according to the floating build floor acoustic construction for one, another piece is the solid concrete floor.Floating build floor structural sound insulation material adopts the thick vibration damping acoustic pad of 5mm, and vibration damping acoustic pad top cushion thickness is 20mm, and the below slab thickness is 50mm.When vibration damping acoustic pad and the handing-over of organic glass system metope, do flange and handle.
Resident family of lower floor in room, the below simulation dwelling house, two rooms have the probe of sound meter to insert respectively.Demonstration does not exert an influence to the strike note defening effect in order to guarantee the air-borne sound noise, and room, below body of wall adopts double-deck organic glass, and the hole process glass cement sealing of sound meter probe insertion, anti-leak-stopping acoustic jamming.
Advantage of the present invention is by the spring behavior of little steel ball and the reading dual mode of sound meter, the strike note defening effect of having showed the floating build floor material intuitively.And simple to operate, the beholder can be from line operate.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the front view of floating build floor defening effect demonstrating model device.
Fig. 2 is the vertical view of floating build floor defening effect demonstrating model device.
Fig. 3 is the structural representation of Fig. 2 A-A section.
Fig. 4 is the structural representation of floating build floor.
Fig. 5 is the structural representation of vibration damping acoustic pad.
Fig. 6 is the structural representation of Fig. 5 B-B section.
Reference numeral: 1-sound meter, the little steel ball of 2-, 3-floating build floor, 3.1-basic unit floor, 3.2-concrete cushion, 4-normal concrete floor, 5-sound meter support, 6-view window, 7-hole, 8-vibration damping acoustic pad, 8.1-closed pore foaming cushion, 8.2-oval-shaped groove, 8.3-circular groove, 9-support frame, 10-deadening felt.
Embodiment
Embodiment is referring to Fig. 1～shown in Figure 3, and this floating build floor defening effect demonstrating model device combines by being two-layer four room models that three-dimensional matrix pattern arranges; Two room models in left side are big or small and structure is identical with two room models on right side; In being separated by by floating build floor 3 between two room models up and down of left side, in being separated by by normal concrete floor 4 between two room models up and down of right side.The thickness of floating build floor 3 and normal concrete floor 4 is 75mm.Also can adopt two to use the floating build floor 3 of different materials to be separated by respectively, as styrofoam, rock cotton board etc., used as mutual contrast.
The center, roof that is positioned at two room models 9 on upper strata has and is used to make little steel ball 2 to drop into the hole 8 in room;
The body of wall that is positioned at two room models 10 of lower floor respectively has a fan view window 6.The probe of sound meter 1 passes the hole of opening on the view window 6, is sealed by glass cement all around.
Referring to shown in Figure 3, the model inside, two rooms of described lower floor is erected with support frame 9 respectively, and the drift angle of support frame 9 and place, base angle can be supported by angle steel, and floor is supported on the support frame.The building enclosure of four room models all adopts double-deck organic glass, and the organic glass of levels room model is structure as a whole.
Accompany one deck 2～4mm deadening felt 10 between the building enclosure of room, two upper stratas model, the outside view window 6 whole parcel one deck 2～4mm deadening felts 10 that remove of lower floor's room building enclosure to improve the air-borne sound oise insulation factor between the room, avoid leaking mutually acoustic jamming.
Referring to Fig. 4～shown in Figure 6, described floating build floor 3 is made of basic unit's floor 3.1, vibration damping acoustic pad 8 and concrete cushion 3.2, vibration damping acoustic pad 8 is fitted by the closed pore foaming cushion 8.1 of two-layer at least different densities or unlike material and is formed, and floating build floor vibration damping acoustic pad 8 fronts are evenly distributed with groove.
The thickness of described vibration damping acoustic pad 8 is 5mm, and vibration damping acoustic pad 8 is done flange with the metope junction of room model and handled.Vibration damping acoustic pad top cushion thickness is 20mm, and the below slab thickness is 50mm.When vibration damping acoustic pad and the handing-over of organic glass system metope, do flange and handle.
Described closed pore foaming cushion 8.1 thickness in monolayer are more than 2 millimeters, and density increases gradually from top to bottom.
The groove in described floating build floor vibration damping acoustic pad 8 fronts is oval-shaped groove 8.2, circular groove 8.1 or is interspersed by the two that the spacing between the groove is 4～10mm.
The major diameter of described oval-shaped groove is 8～15 mm, and minor axis is 4～10 mm, and the diameter of circular groove is 4～10 mm.
This floating build floor defening effect demenstration method when carrying out the demonstration of floor defening effect, is opened the sound meter 1 of two room models of lower floor earlier; Then that two sizes, quality are all identical little steel ball 2 drops in the hole 7 on model roof, room, two upper stratas respectively, and little steel ball free-falling is also clashed into two heteroid floors respectively; Afterwards, observe the difference of little steel ball jumping height, adopt the floor of floating build floor acoustic construction, owing to have the effect that the Impact energy vibration damping is consumed, small ball can only bounce 3 ~ 4 times usually; And the solid concrete floor does not possess above-mentioned functions, and small ball bounces more than 10 times usually; And record the sound level size that two lower floor's room models receive by the sound meter reading, i.e. the strike note size of arbitrarily downgrading.Adopt the room reading of floating build floor structure little and (be generally 60 ~ 70dB), common floor room reading big (being generally more than the 90dB).
It is pointed out that because this model is the minification model.Therefore, the reference as a comparison of these data, and can not be as the detection data of the science that embodies material property fully.
Claims (10)
1. floating build floor defening effect demonstrating model device, it is characterized in that: combine by being two-layer four room models that three-dimensional matrix pattern arranges, two room models in left side are big or small and structure is identical with two room models on right side, and two room models up and down in left side and two room models up and down on right side are separated by by heteroid floor respectively;
The building enclosure that is positioned at two room models on upper strata adopts transparent material, and respectively has a hole (7) that is used to make in little steel ball (2) the input room at the center, roof of two the room models in upper strata;
The building enclosure that is positioned at two room models of lower floor respectively is equipped with a sound meter (1), and the probe of described sound meter inserts the same position of model inside, two rooms of lower floor respectively.
2. floating build floor defening effect demonstrating model device according to claim 1, it is characterized in that: respectively have a fan view window (6) on the building enclosure of two room models of described lower floor, the probe of described sound meter (1) passes the hole of opening on the view window (6), is sealed by glass cement all around.
3. floating build floor defening effect demonstrating model device according to claim 2, it is characterized in that: the building enclosure of described four room models all adopts double-deck organic glass or simple glass, accompany one deck 2～4mm deadening felt (10) between the building enclosure of room, two upper stratas model, the outside whole parcel of view window (6) one deck 2～4mm deadening felt (10) that removes of lower floor's room building enclosure.
4. floating build floor defening effect demonstrating model device according to claim 1 is characterized in that: the model inside, two rooms of described lower floor is erected with a support frame (9) respectively, and floor is supported on the support frame.
5. floating build floor defening effect demonstrating model device according to claim 1, it is characterized in that: described being separated by by floating build floor (3) between two room models up and down in the left side, in being separated by by normal concrete floor (4) between two room models up and down of right side, perhaps be separated by by the floating build floor that uses different materials respectively.
6. floating build floor defening effect demonstrating model device according to claim 5, it is characterized in that: described floating build floor (3) is made of basic unit's floor (3.1), vibration damping acoustic pad (8) and concrete cushion (3.2), vibration damping acoustic pad (8) is fitted by the closed pore foaming cushion (8.1) of two-layer at least different densities or unlike material and is formed, and vibration damping acoustic pad (8) front is evenly distributed with groove.
7. floating build floor defening effect demonstrating model device according to claim 6, it is characterized in that: the thickness of described vibration damping acoustic pad (8) is 4～8mm, vibration damping acoustic pad (8) is done flange with the building enclosure junction of room model and is handled.
8. floating build floor defening effect demonstrating model device according to claim 6 is characterized in that: described closed pore foaming cushion (8.1) thickness in monolayer is more than 2 millimeters, and density increases gradually from top to bottom.
9. floating build floor defening effect demonstrating model device according to claim 6, it is characterized in that: the positive groove of described floating build floor vibration damping acoustic pad (8) is oval-shaped groove (8.2), circular groove (8.1) or is interspersed by the two that the spacing between the groove is 4～10mm.
10. the floating build floor defening effect demenstration method of application rights requirement 1～9 any device is characterized in that: when carrying out the demonstration of floor defening effect, open the sound meter (1) of two room models of lower floor earlier; Then that two sizes, quality are all identical little steel ball (2) drops in the hole (7) on model roof, room, two upper stratas respectively, and little steel ball free-falling is also clashed into two heteroid floors respectively; Afterwards, observe the different of little steel ball jumping height and spring number of times, and record the sound level size that two lower floor's room models receive, be i.e. the strike note size of arbitrarily downgrading by the sound meter reading.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010553109XA CN101980324B (en) | 2010-11-22 | 2010-11-22 | Floating floor soundproof effect demonstration model device and demonstration method |
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| CN201010553109XA CN101980324B (en) | 2010-11-22 | 2010-11-22 | Floating floor soundproof effect demonstration model device and demonstration method |
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| CN101980324A true CN101980324A (en) | 2011-02-23 |
| CN101980324B CN101980324B (en) | 2012-01-11 |
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Cited By (3)
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| 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 |
| CN108281133A (en) * | 2018-03-13 | 2018-07-13 | 吉林大学 | With spherical pit bionic non-smooth surface polyurethane foam board and preparation method |
| CN114964680A (en) * | 2022-08-02 | 2022-08-30 | 中建安装集团有限公司 | Floating floor slab vibration experiment table based on distributed optical fiber monitoring and testing method |
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| CN201180319Y (en) * | 2008-01-17 | 2009-01-14 | 刘增凯 | Floating floor sound insulation pad |
| CN101515416A (en) * | 2009-04-08 | 2009-08-26 | 南京高等职业技术学校 | Simulation building model for teaching use |
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2010
- 2010-11-22 CN CN201010553109XA patent/CN101980324B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2004226705A (en) * | 2003-01-23 | 2004-08-12 | Sekisui House Ltd | Noise experience system |
| JP2006047436A (en) * | 2004-07-30 | 2006-02-16 | Daiwa House Ind Co Ltd | Equipment for representing sound insulating performance of partition wall or the like |
| JP2006106092A (en) * | 2004-09-30 | 2006-04-20 | Daiwa House Ind Co Ltd | Sound insulation experience system and method for expressing sound insulation |
| CN201180319Y (en) * | 2008-01-17 | 2009-01-14 | 刘增凯 | Floating floor sound insulation pad |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN108281133A (en) * | 2018-03-13 | 2018-07-13 | 吉林大学 | With spherical pit bionic non-smooth surface polyurethane foam board and preparation method |
| CN114964680A (en) * | 2022-08-02 | 2022-08-30 | 中建安装集团有限公司 | Floating floor slab vibration experiment table based on distributed optical fiber monitoring and testing method |
| CN114964680B (en) * | 2022-08-02 | 2022-11-15 | 中建安装集团有限公司 | Floating floor vibration experiment table based on distributed optical fiber monitoring and testing method |
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