CN201051395Y - An improved sound absorption device - Google Patents
An improved sound absorption device Download PDFInfo
- Publication number
- CN201051395Y CN201051395Y CNU2007200691931U CN200720069193U CN201051395Y CN 201051395 Y CN201051395 Y CN 201051395Y CN U2007200691931 U CNU2007200691931 U CN U2007200691931U CN 200720069193 U CN200720069193 U CN 200720069193U CN 201051395 Y CN201051395 Y CN 201051395Y
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- sound
- web plate
- absorbing layer
- sound absorbing
- absorbing
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Abstract
The utility model relates to the technical field of acoustic processing units used together with a microphone, in particular to an improved sound-absorbing device which comprises a screen plate and sound-absorbing layers, wherein the appearance of the screen plate is arc-shaped, the surface of the screen plate is provided with plural through-holes. The utility model is characterized in that the inner side of the screen plate is provided with plural sound-absorbing layers, a gap is provided between two adjacent sound-absorbing layers, and the appearance of each sound-absorbing layer is arc-shaped. Compared with prior technologies, the utility model not only utilizes porous material which is namely the sound-absorbing layer to generate amortization to convert the acoustic energy of high-pitch parts into heat which dissipates but also counteracts energy generated by the vibration of the composite beds of arc area to realize that the acoustic energy of bass parts is gradually counteracted in vibration. The two main characteristics of absorbing sound are combined to realize the effect of absorbing sound and screening environmental reflection, and thereby the sound of the microphone is clear, the clearness of recorded sound is substantially improved to further locally improve the environment problem.
Description
[technical field]
The utility model relates to a kind of acoustic treatment device technique field of using with microphone, specifically a kind of modified sound arrester.
[background technology]
China utility model patent CN1292948A discloses a kind of device that uses with microphone in 04 month 25 days calendar year 2001, and this device is made of a pipe, and this pipe has a blind end that holds microphone and towards the openend of surrounding environment.The inboard of this pipe scribbles acoustical material, for example flock (nock) (vertical fiber utilizes static to apply these fibers).The above-mentioned device that uses with microphone can carry out noise reduction to ambient noise selectively, and it produces damping by porous materials, and acoustic energy is converted to thermal energy consumption, and this acoustical technology is usually used in the sound-absorbing of high pitch part.And a lot of reverberation and reflection can appear in the microphone use, and only produce damping by porous materials, acoustic energy is converted to the sound-absorbing problem that thermal energy consumption can not solve bass part, thereby make that the microphone voice sharpness is not ideal enough.
[summary of the invention]
Task of the present utility model overcomes the deficiencies in the prior art exactly, a kind of modified sound arrester is provided, can convert the acoustic energy of high pitch part to thermal energy consumption, the acoustic energy of bass part also can slowly be offset in vibration, make microphone voice more clear, the sharpness of typing sound also obviously improves.
The utility model adopts following technical proposals:
A kind of modified sound arrester comprises web plate, sound absorbing layer, and the web plate profile is a circular arc, has several through holes on the web plate surface, and the inboard of web plate is provided with the multiple layer sound suction layer, and leaves the gap between each sound absorbing layer, and the sound absorbing layer profile is a circular arc.
The centre of described web plate outside surface has center pit, and a sleeve is housed in the center pit, and the front end of sleeve passes sound absorbing layer, is provided with fastening shock absorbing apparatus at the front end position of sleeve.
Described fastening shock absorbing apparatus mainly contains and compresses chieftain, compression spring sleeve, spring, embossing nut, compression spring axis and pulling force nut composition.
Described sound absorbing layer adopts dacron, sponge, ore deposit rock wool, glass wool, wool, aluminum foam plate or glass foam, cotton fiber, chemical fibre to make.
The inboard of described web plate is provided with three layers of sound absorbing layer, and sound absorbing layer adopts studs and acorn nut to be fixed on the web plate.
The lip-deep through hole of described web plate is circular port or slotted eye or polygonal hole.
The utility model advantage:
1. with respect to prior art, not only by adopting porous materials, promptly sound absorbing layer produces damping to the utility model, and the acoustic energy of high pitch part is converted to thermal energy consumption; Also the composite bed by the circular arc zone vibrates energy-producing counteracting, and the acoustic energy of bass part is slowly offset in vibration.Two big characteristics of sound-absorbing are effectively combined, reached sound-absorbing and the pollodic effect of shielding, make microphone voice clear, the sharpness of typing sound is also obviously improved, thus minor betterment environmental problem;
2. simple in structure, novel, the profile small volume and less weight, in light weight;
3. make simply, practical, be worthy of popularization.
[description of drawings]
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the user mode figure of first embodiment of the present utility model.
Referring to Fig. 1 to Fig. 3,1 is acorn nut, and 2 is stud bolt, and 3 is sound absorbing layer, 4 is web plate, and 5 is sleeve, and 6 is the joint seat board, and 7 is set nut, 8 is handle, and 9 is plinth, and 10 is flexible pipe, and 11 for clamping housing, 12 are locking bakelite post, and 13 is set lever, and 14 is nut, and 15 is pad, 16 is the pulling force nut, and 17 is compression spring axis, and 18 are the embossing nut, and 19 is spring, 20 is compression spring sleeve, and 21 for compressing the chieftain, and 22 is manhole.
[specific embodiment]
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Embodiment one: web plate 4 adopts aluminum alloy materials to make, the web plate profile is a circular arc, have several equally distributed manholes 22 on the web plate surface, the inboard of web plate is equipped with three layers of sound absorbing layer 3 (also can be two-layer, four layers or multilayer) successively, and leave the gap between each sound absorbing layer, sound absorbing layer adopts dacron, sponge, ore deposit rock wool, glass wool, wool, aluminum foam plate or glass foam, cotton fiber, chemical fibre to make, its profile is a circular arc, and three layers of sound absorbing layer adopt studs 2 and acorn nut 1 to be fixed on the web plate.One fixing shock absorbing apparatus is housed below the centre of web plate outside surface, stationary installation mainly by handle 8, plinth 9, flexible pipe 10, clamp housing 11, locking bakelite post 12, set lever 13, nut 14 and pad 15 and form.
Embodiment two: referring to Fig. 1, Fig. 2, on the basis of embodiment one, the centre of web plate 4 outside surfaces has center pit, one sleeve 5 is housed in the center pit, the front end of sleeve passes sound absorbing layer, front end position at sleeve is provided with fastening shock absorbing apparatus, and fastening shock absorbing apparatus mainly contains and compresses chieftain, compression spring sleeve, spring, embossing nut, compression spring axis and pulling force nut composition, and it is used for fixing microphone.
Technological process:
Instrument: 1. electric saw for woodworking; 2. tape measure; 3. make the top rake cutter by oneself; 4. drilling machine/reciprocating drill.
Action:
One. match silk synthetic fibre plate
1. with the match silk synthetic fibre plate of electric saw for woodworking, cut into three kinds of specification of upper, middle and lower layer respectively, be respectively 275.5 * 165 * 6,238.5 * 165 * 6,203 * 165 * 6 monoblock;
2. with the through hole of the fixing match silk of self-control frock synthetic fibre plate at 1 Φ 34 of centre drill;
Two. aluminium alloy plate
1. about 328 * 165 * 1.2mm of cutting aluminium alloy web plate is one;
2. respectively do the wide flanging of 20mm by the drawing both sides;
With the self-control frock fixedly aluminium alloy plate at centre drill or mill the through hole of 1 Φ 34;
4. " SE " OEM is riveted on the aluminium web plate with Φ 3 * 6 oval head semitubular rivets by the drawing position;
With the pad pad in the recessed side of aluminium web plate, the position, hole is aimed at position, web plate hole by drawing, loads onto joint seat board and plinth at the protruding side correspondence position of web plate, pad and plinth is fixed from the web plate inboard with M3 * 10 cross recessed countersunk head sscrews;
Assembling process:
Instrument: 1. multi-purpose adhesive; 2. rivet driver; 3. flat-nose pliers; 4. electric screw driver; 5. tubular key; 6. power drill; 7. cutter
Action:
1. match silk synthetic fibre plate assembles: after three kinds of match silk synthetic fibre plates (upper, middle and lower layer) are advanced oven heat, be pressed into drawing regulation radian, three ply board is stacked neatly, plate is pasted fixing with multi-purpose adhesive, after treating that glue is done, scabble edge out-of-flatness place, press every of drawing position and bore 4 Φ 4 through holes with cutter; Dowel screw is inserted in Φ 4 holes, at concave arc side pad Φ 4 pads, with acorn nut with screw retention;
2. flexible pipe assembling: flexible pipe one headgear is gone into to rotate terminal, and fixed terminal is inserted in the other end, riveted joint closing in fixation; To rotate terminal and insert plinth, will rotate terminal and plinth is fixed with handle; Fixed terminal is inserted flexible pipe grip slipper lower-side hole position, be fixed with the M8 hexagonal nut;
Lock-screw is inserted position, grip slipper M6 hole, be fixed with the locking post;
3. sleeve assembling: assembling will compress the chieftain and fill in sleeve the M8 nose end is arranged, compression spring axis (Φ 2.8 ends inwardly) is inserted sleeve from sleeve M8 hole, insertion compresses in the chieftain hole, compression spring sleeve (the 3mm deep thread inwardly) is screwed in sleeve M8 threaded hole, with cylindrical compression spring (d=0.7; H
0=18; D great circle=6) be inserted in spring shaft, the embossing nut is screwed in the spring housing pressing spring, again the pulling force nut is screwed in spring shaft;
4. whole assembling: by the drawing position joint seat board plate is placed web plate outside correspondence position, plinth is placed on the seat board again, the alignment of M3 threaded hole position is fixed from the web plate inboard with pad, joint seat board and plinth with M3 * 10 cross recessed countersunk head sscrews; The sleeve that assembles is inserted in Φ 34 holes from the recessed side of the fixing match silk synthetic fibre plate that is shaped, put liner plate, again the aluminium web plate is overlayed on the match silk synthetic fibre plate, sleeve M32 thread end cover passes the plinth plate, with set nut sleeve is fixed, dowel screw penetrates web plate corresponding aperture position, and Φ 4 pads are enclosed within on the dowel screw, fixes from the aluminium web plate outside with web plate and match silk synthetic fibre plate with acorn nut.
Claims (6)
1. a modified sound arrester comprises web plate, sound absorbing layer, and the web plate profile is a circular arc, have several through holes on the web plate surface, it is characterized in that: the inboard of web plate is provided with the multiple layer sound suction layer, and leaves the gap between each sound absorbing layer, and the sound absorbing layer profile is a circular arc.
2. modified sound arrester as claimed in claim 1 is characterized in that: the centre of described web plate outside surface has center pit, and a sleeve is housed in the center pit, and the front end of sleeve passes sound absorbing layer, is provided with the shock-absorbing fastener at the front end position of sleeve.
3. modified sound arrester as claimed in claim 2 is characterized in that: described shock-absorbing fastener mainly contains and compresses chieftain, compression spring sleeve, spring, embossing nut, compression spring axis and pulling force nut composition.
4. as claim 1 or 3 described modified sound arresters, it is characterized in that: described sound absorbing layer adopts dacron, sponge, ore deposit rock wool, glass wool, wool, aluminum foam plate or glass foam, cotton fiber, chemical fibre to make.
5. modified sound arrester as claimed in claim 4 is characterized in that: the inboard of described web plate is provided with three layers of sound absorbing layer, and sound absorbing layer adopts studs and acorn nut to be fixed on the web plate.
6. modified sound arrester as claimed in claim 5 is characterized in that: the lip-deep through hole of described web plate is circular port or slotted eye or polygonal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200691931U CN201051395Y (en) | 2007-04-23 | 2007-04-23 | An improved sound absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200691931U CN201051395Y (en) | 2007-04-23 | 2007-04-23 | An improved sound absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201051395Y true CN201051395Y (en) | 2008-04-23 |
Family
ID=39337889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200691931U Expired - Fee Related CN201051395Y (en) | 2007-04-23 | 2007-04-23 | An improved sound absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201051395Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715630A (en) * | 2014-12-03 | 2016-06-29 | 武汉航空仪表有限责任公司 | Novel miniature hydraulic buffer |
| CN106245943A (en) * | 2015-09-30 | 2016-12-21 | 无锡威胜环保设备制造有限公司 | The noise abatement casing structure of machine room |
| CN107313521A (en) * | 2017-08-16 | 2017-11-03 | 广东正华钢构股份有限公司 | Absorbing sound and lowering noise structure for steel structure girder |
| CN109626870A (en) * | 2018-12-29 | 2019-04-16 | 海南鑫申绿色建筑科技有限公司 | A kind of soundproof construction plate and preparation method thereof |
-
2007
- 2007-04-23 CN CNU2007200691931U patent/CN201051395Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715630A (en) * | 2014-12-03 | 2016-06-29 | 武汉航空仪表有限责任公司 | Novel miniature hydraulic buffer |
| CN105715630B (en) * | 2014-12-03 | 2018-10-19 | 武汉航空仪表有限责任公司 | A kind of novel micro hydraulic buffer |
| CN106245943A (en) * | 2015-09-30 | 2016-12-21 | 无锡威胜环保设备制造有限公司 | The noise abatement casing structure of machine room |
| CN107313521A (en) * | 2017-08-16 | 2017-11-03 | 广东正华钢构股份有限公司 | Absorbing sound and lowering noise structure for steel structure girder |
| CN107313521B (en) * | 2017-08-16 | 2022-08-19 | 正华钢构(广东)股份有限公司 | Sound-absorbing and noise-reducing structure for steel structure beam |
| CN109626870A (en) * | 2018-12-29 | 2019-04-16 | 海南鑫申绿色建筑科技有限公司 | A kind of soundproof construction plate and preparation method thereof |
| CN109626870B (en) * | 2018-12-29 | 2019-09-03 | 海南鑫申绿色建筑科技有限公司 | A kind of soundproof construction plate and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 |