CN109138194A - A kind of sound absorption wedge - Google Patents
A kind of sound absorption wedge Download PDFInfo
- Publication number
- CN109138194A CN109138194A CN201811264183.2A CN201811264183A CN109138194A CN 109138194 A CN109138194 A CN 109138194A CN 201811264183 A CN201811264183 A CN 201811264183A CN 109138194 A CN109138194 A CN 109138194A
- Authority
- CN
- China
- Prior art keywords
- sound absorption
- absorption wedge
- stud
- plane
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 42
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 229920000742 Cotton Polymers 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000004744 fabric Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
- E04B2001/8428—Tray or frame type panels or blocks, with or without acoustical filling containing specially shaped acoustical bodies, e.g. funnels, egg-crates, fanfolds
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
Present invention discloses a kind of sound absorption wedges, it includes the acoustical cotton (2) of frame (1) and setting in the frame (1), the frame (1) includes sequentially connected first side (3), first inclined-plane (4), second inclined-plane (5) and second side (6), the first side (3) and the second side (6) are oppositely arranged, the sound absorption wedge further includes the regulating device (10) being set between the first side (3) and the second side (6), the distance between the first side (3) and the second side (6) is adjusted in the regulating device (10), to change the angle (7) between the first inclined-plane (4) and the second inclined-plane (5).Sound absorption wedge of the invention can adjust angle (7), to adjust the sound-absorbing effect of sound absorption wedge, and then adjust the acoustic efficiency of anechoic chamber.
Description
Technical field
The present invention relates to the indoor acoustic(al)absorbent of noise reduction, in particular to a kind of sound absorption wedge.
Background technique
Anechoic room is specialized laboratory used in noise testing and acoustics experiment, is usually used in automobile, space flight and aviation product, family
The noise testing harmony in the fields such as electrical appliance, computer and communication products, industrial products, sound system, loudspeaker and microphone
Learn feature measurement.Presently the most common sound absorber is wedge absorber, to fill in the plastic-spraying steel wire rack of a wedge shape
The sound-absorbing materials such as glass fibre or foamed plastics, this plastic-spraying steel wire rack be cladded with by glass wool cloth, nylon yarn screen cloth or other
Mask made of cloth material.At present there are many sound absorption wedge of different angle, the sound absorption wedge of different angle has different
Sound-absorbing effect may be disposed to the anechoic chamber of different acoustic efficiencies, however, on the one hand, sound absorption wedge angle in the prior art without
Method is adjusted, and can not thus adjust the acoustic efficiency of anechoic chamber, on the other hand, since the bottom width of sound absorption wedge can not be adjusted
Section, due to the limitation of wall size, can not necessarily place integer sound absorption wedge when arranging sound absorption wedge on metope, this
Sample, can only put a sound absorption wedge less and there are blank metopes, influence anechoic chamber's acoustic efficiency.
Summary of the invention
It is an object of the invention in view of the above-mentioned drawbacks in the prior art, provide a kind of sound absorption wedge, the sound absorption wedge
Angle it is adjustable.
For achieving the above object, present invention employs following technical solutions: a kind of sound absorption wedge comprising frame with
And the acoustical cotton in the frame is set, the frame include sequentially connected first side, the first inclined-plane, the second inclined-plane and
Second side, the first side and the second side are oppositely arranged, and the sound absorption wedge further includes being set to described first
The first side and the second side is adjusted in regulating device between side and the second side, the regulating device
The distance between, to change the angle between the first inclined-plane and the second inclined-plane.
In addition, the present invention also proposes following attached technical scheme:
The regulating device includes the first stud being connected with the first side, be connected with the second side second
Stud and the swivel nut being threadedly coupled with first stud and second stud.
First stud and the hand of spiral on second stud surface are opposite.
The outer surface of the swivel nut is in regular hexagonal prism shape.
The regulating device include the connecting shaft being connected with the first side, the screw rod being connected with the second side with
And it is connected to the connector sleeve between connecting shaft and screw rod, described connector sleeve one end is rotatably connected with the connecting shaft, the other end
It is connect with the screw flight.
The connecting shaft is provided with the convex shoulder in the connector sleeve, and the connector sleeve is provided with the blocking portion of convex.
Nut is provided in the first side, the connecting shaft is connect with the nut thread.
The frame is made of steel wire rack or perforated metal.
The first side, the first inclined-plane, the second inclined-plane and second side are integrally formed.
Compared with the prior art, the present invention has the advantages that
1. the present invention adjusts the angle of sound absorption wedge angle by setting regulating device, so as to adjust sound absorption wedge
The sound-absorbing effect of itself is laid with after adjusting the angle sound absorption wedge, can change the acoustic efficiency of anechoic chamber；
2. regulating device can adjust the width (i.e. the distance between first side and second side) of sound absorption wedge bottom,
So that full whole face wall can be arranged, without reserving standoff effects acoustic efficiency when sound absorption wedge is arranged on metope.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of sound absorption wedge of the present invention.
Fig. 2 is the structural schematic diagram of sound absorption wedge another kind embodiment of the present invention.
Specific embodiment
In conjunction with the preferred embodiment and its attached drawing is further non-limitingly described in detail technical solution of the present invention.
As shown in Figure 1, corresponding to a kind of sound absorption wedge of present pre-ferred embodiments comprising frame 1 is all set in frame
Sound-absorbing material 2 and regulating device 10 in frame 1.
Frame 1 is made of elastic material, and preferably plastic-spraying steel wire rack, plastic-spraying steel wire rack are cladded with by glass wool cloth, Buddhist nun
Mask made of nylon yarn screen cloth or other cloth materials, frame 1 also can be used perforated metal and be made.The material of sound-absorbing material 2
It is preferred that using sound-absorbing mineral wool, can be connect by way of gluing with 1 inner surface of frame.
Whole frame 1 is in wedgelike comprising sequentially connected first side 3, the first inclined-plane 4, the second inclined-plane 5 and second
Side 6, wherein first side 3 and second side 6 are parallel to each other, and angle 7 is formed between the first inclined-plane 4 and the second inclined-plane 5, this
The adjustable angle of invention sound absorption wedge angle 7.
In one embodiment, first side 3, the first inclined-plane 4, the second inclined-plane 5 and second side 6 are integral type, by
Frame 1 passes through bending and molding.
Regulating device 10 is set between first side 3 and second side 6, can expand or shrink first side 3 and
The distance between two side faces 6, to adjust the size of angle 7 between first side 3 and second side 6.
Regulating device 10 can there are many feasible structures, in one embodiment, as shown in Figure 1, regulating device 10
Including the first stud 11 being connected with first side 3, the second stud 12 being connected with second side 6 and it is connected to the first stud
11 and the second swivel nut 13 between stud 12, the first stud 11 and first side 3 are by being welded to connect, the second stud 12 and second
Side 6 passes through welded connecting.Swivel nut 13 is then threadedly coupled with the first stud 11 and the second stud 12, also, 11 He of the first stud
The hand of spiral of second stud 12 is on the contrary, if 11 screw thread of the first stud is right-handed thread, then the second stud 12 is left hand thread；
On the contrary, the second stud 12 is right-handed thread if 11 screw thread of the first stud is left hand thread.In this way, in rotation swivel nut 13
Afterwards, first side 3 and second side 6 can be relatively close or separate, so that sending out between first side 5 and second side 6
Raw deformation and the angle for changing angle 7.Preferably, the outer surface of swivel nut 13 is in regular hexagonal prism shape, is carried out with facilitating manpower to hold
Rotation, or rotated by tools such as spanners.
In another embodiment, as shown in Fig. 2, regulating device 10 include be welded in first side 3 nut 21,
The connecting shaft 22 that is threadedly coupled with nut 21, the screw rod 23 being welded in second side 6 and it is connected to connecting shaft 22 and screw rod
Connector sleeve 24 between 23.22 one end of connecting shaft is spirally connected with nut 21, and the other end is provided with the convex shoulder 25 in connector sleeve 24,
The diameter of convex shoulder 25 is greater than the diameter of 22 rest part of connecting shaft；Connector sleeve 24 is provided with the inner cavity 26 for accommodating convex shoulder 25 and is arranged
There is internal diameter to be less than the blocking portion 27 of inner cavity 26, to prevent connecting shaft 22 from leaving connector sleeve 24.26 surface of inner cavity is provided with and spiral shell
The screw thread that bar 23 cooperates.Rotate connector sleeve 24 i.e. adjustable the distance between first side 3 and second side 6.
The present invention at least has following advantage:
1. the present invention adjusts the angle of sound absorption wedge angle by setting regulating device, so as to adjust sound absorption wedge
The sound-absorbing effect of itself is laid with after adjusting the angle sound absorption wedge, can change the acoustic efficiency of anechoic chamber；
2. regulating device can adjust the width (i.e. the distance between first side and second side) of sound absorption wedge bottom,
So that full whole face wall can be arranged, without reserving standoff effects acoustic efficiency when sound absorption wedge is arranged on metope.
It is pointed out that the technical concepts and features of above-mentioned preferred embodiment only to illustrate the invention, its object is to
Those skilled in the art can understand the contents of the present invention and implements accordingly, and protection of the invention can not be limited with this
Range.Any equivalent change or modification in accordance with the spirit of the invention should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of sound absorption wedge comprising frame (1) and the acoustical cotton (2) being arranged in the frame (1), the frame
It (1) include sequentially connected first side (3), the first inclined-plane (4), the second inclined-plane (5) and second side (6), first side
Face (3) and the second side (6) are oppositely arranged, it is characterised in that: the sound absorption wedge further includes being set to first side
The first side is adjusted in regulating device (10) between face (3) and the second side (6), the regulating device (10)
(3) and the distance between the second side (6), to change the angle (7) between the first inclined-plane (4) and the second inclined-plane (5).
2. according to sound absorption wedge described in claim 1, it is characterised in that: the regulating device (10) includes and the first side
(3) connected the first stud (11), the second stud (12) for being connected with the second side (6) and with first stud
(11) and second stud (12) be threadedly coupled swivel nut (13).
3. according to sound absorption wedge described in claim 2, it is characterised in that: first stud (11) and second stud (12)
The hand of spiral on surface is opposite.
4. according to sound absorption wedge described in claim 2, it is characterised in that: the outer surface of the swivel nut (13) is in regular hexagonal prism shape.
5. according to sound absorption wedge described in claim 1, it is characterised in that: the regulating device (10) includes and the first side
(3) connected connecting shaft (22), the screw rod (23) that is connected with the second side (6) and connecting shaft (22) and screw rod are connected to
(23) connector sleeve (24) between, described connector sleeve (24) one end are rotatably connected with the connecting shaft (22), the other end and institute
State screw rod (23) threaded connection.
6. according to sound absorption wedge described in claim 5, it is characterised in that: the connecting shaft (22) is provided with positioned at the connector sleeve
(24) convex shoulder (25) in, the connector sleeve (24) are provided with the blocking portion (27) of convex.
7. according to sound absorption wedge described in claim 5, it is characterised in that: be provided with nut (21), institute on the first side (3)
Connecting shaft (22) is stated to be threadedly coupled with the nut (21).
8. according to sound absorption wedge described in claim 1, it is characterised in that: the frame (1) by steel wire rack or perforated metal
Plate is made.
9. according to sound absorption wedge described in claim 5, it is characterised in that: the first side (3), the first inclined-plane (4), second are tiltedly
Face (5) and second side (6) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811264183.2A CN109138194B (en) | 2018-10-26 | 2018-10-26 | Sound-absorbing wedge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811264183.2A CN109138194B (en) | 2018-10-26 | 2018-10-26 | Sound-absorbing wedge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109138194A true CN109138194A (en) | 2019-01-04 |
| CN109138194B CN109138194B (en) | 2021-07-02 |
Family
ID=64806367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811264183.2A Active CN109138194B (en) | 2018-10-26 | 2018-10-26 | Sound-absorbing wedge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138194B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847647A (en) * | 2019-11-05 | 2020-02-28 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Low-noise power generation equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200396509Y1 (en) * | 2005-07-02 | 2005-09-23 | 주식회사 유탑엔지니어링건축사사무소 | Construction is simple sound absorption block |
| CN201317983Y (en) * | 2008-12-03 | 2009-09-30 | 上海声望声学工程有限公司 | Acoustic-wedge |
| CN102691373A (en) * | 2012-06-26 | 2012-09-26 | 苏州岸肯电子科技有限公司 | Sound absorption wedge unit for anechoic chamber |
| CN103769878A (en) * | 2012-10-24 | 2014-05-07 | 西安志越机电科技有限公司 | Adjustable fixture for inclined-hole drilling |
| CN204575292U (en) * | 2015-04-27 | 2015-08-19 | 中国中建设计集团有限公司 | The adjustable wind of a kind of building wind-tunnel cuts open passive simulation wedge device |
| CN205840021U (en) * | 2016-07-26 | 2016-12-28 | 北京乐工众和科技有限公司 | Perforated metal panel PET wedge absorber |
| CN206346329U (en) * | 2016-12-31 | 2017-07-21 | 佛山天戈声学装饰材料有限公司 | A kind of suspended absorber structure |
-
2018
- 2018-10-26 CN CN201811264183.2A patent/CN109138194B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200396509Y1 (en) * | 2005-07-02 | 2005-09-23 | 주식회사 유탑엔지니어링건축사사무소 | Construction is simple sound absorption block |
| CN201317983Y (en) * | 2008-12-03 | 2009-09-30 | 上海声望声学工程有限公司 | Acoustic-wedge |
| CN102691373A (en) * | 2012-06-26 | 2012-09-26 | 苏州岸肯电子科技有限公司 | Sound absorption wedge unit for anechoic chamber |
| CN103769878A (en) * | 2012-10-24 | 2014-05-07 | 西安志越机电科技有限公司 | Adjustable fixture for inclined-hole drilling |
| CN204575292U (en) * | 2015-04-27 | 2015-08-19 | 中国中建设计集团有限公司 | The adjustable wind of a kind of building wind-tunnel cuts open passive simulation wedge device |
| CN205840021U (en) * | 2016-07-26 | 2016-12-28 | 北京乐工众和科技有限公司 | Perforated metal panel PET wedge absorber |
| CN206346329U (en) * | 2016-12-31 | 2017-07-21 | 佛山天戈声学装饰材料有限公司 | A kind of suspended absorber structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847647A (en) * | 2019-11-05 | 2020-02-28 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Low-noise power generation equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109138194B (en) | 2021-07-02 |
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