CN104867488A - Sound insulation and noise reduction panel and frame thereof - Google Patents
Sound insulation and noise reduction panel and frame thereof Download PDFInfo
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- CN104867488A CN104867488A CN201410065374.1A CN201410065374A CN104867488A CN 104867488 A CN104867488 A CN 104867488A CN 201410065374 A CN201410065374 A CN 201410065374A CN 104867488 A CN104867488 A CN 104867488A
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- edge strip
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Abstract
The invention provides a sound insulation and noise reduction panel and a frame thereof. The sound insulation and noise reduction panel and the frame are suitable for absorbing high and low frequency noises and specifically suitable for the protection door or baffle plate of mechanical equipment. The sound insulation and noise reduction panel is characterized in that the sound insulation and noise reduction panel comprises two layers of panels, a sandwich layer and a frame, the panels can be metal panels or non-metallic panels, two panels can be different materials, the sandwich layer can be a cellular material or sponge material, the frame is formed by edges with male and female slots, and the stability is improved. The sound insulation and noise reduction panel is applied to equipment to be used as the protection door or baffle plate, the high and low frequency noises can be effectively inhibited, and the sound insulation and noise reduction panel has the advantages of beautiful surface appearance, simple manufacture, reliable principle, and significant noise reduction.
Description
Technical field
The present invention relates to industrial materials field, be applicable to the absorption of low-and high-frequency noise, be specifically applicable to the protective door and dividing plate etc. of mechanized equipment or the vehicles, for reducing noise pollution.
Background technology
Noise on human body produces harm, and low frequency noise does not have high frequency noise obvious on physiological direct impact, but low frequency noise can produce long-range impact to health.Low frequency noise is different from high frequency noise, and it is not easy decay, and along with distance is far away or meet with barrier, can decay rapidly, and low frequency noise successively decreases very slow, sound wave is longer again, can penetrate thing easily, longly directly enters people's ear apart from long-range raid and wall through walls.China is decided to be 20 ~ 300Hz for the audio frequency range of low frequency noise, and frequency is intermediate frequency at 0.3kHz ~ 1.6kHz, and frequency is high frequency at 1.6kHz ~ 4kHz.
Administering high and low frequency noise is one of recognized problem of noise abatement, such as at tobacco business, noise pollution is common in production of cigarettes workshop, the frequency of this noise enumerates low-frequency noise tremendously high frequency noise, every platform wraparound equipment is all needed aborning mainly due to box cigarette small and barrel, except the noise that the running of these wraparound plant machinery produces, the noise also having gases at high pressure to produce in cigarette machine and workshop lead to supply air system noise etc., therefore, the noise abatement in production of cigarettes workshop is a difficult problem always.In addition, the wraparound equipment in general wraparound workshop reaches thirty or forty platform cover, and workshop bulk is large, and like this, the noise of each equipment superposes mutually, and noise pollution is just more serious.So noise pollution is also the serious problems that tobacco enterprise faces, the noise of domestic a lot of cigar mill to wraparound workshop is administered and is studied, and such as drops into huge fund and makes shop, such as, on the wall of workshop, fit up acoustical material etc., but total Shortcomings.Through experimental study, adopt the panel material that two-layer panel with dissection forms, interlayer is cellular material or sponge material, such as manufactured the protective door of equipment or fitted up ceiling or the metope of room use, furniture woods even, have obvious actual effect to prevention and cure of pollution that are high, that reduce audio-frequency noise, especially closed pore sponge soundproof effect is excellent in porous sponge.So, use above-mentioned material sound insulation and noise reduction highly significant.
No doubt, it is also very important how good sound-proof material makes one, at present, a lot of sound insulation panel is simple press strip edge sealing because frame design adopts, even if adopt gluing connecing also easily to come off, therefore, the bulk strength of this sound insulation panel reduces, be not durable, soundproof effect is also influenced, so, study a kind of new side-strip structure, edge strip designs male and female draw-in groove, with the frame that such edge strip is made, not only easy to make, and its mechanical property will promote greatly, such sound insulation panel application scope and effect will improve, so, study a kind of edge strip having male and female draw-in groove, the frame making sound insulation panel is very important.
In sum, the panel material adopting two-layer panel with dissection to form makes plant equipment protective door or dividing plate, is installed on noise source position equipment producing noise, then can effectively adsorb high and low frequency noise, realize noise reduction; Adopting has the edge strip of male and female draw-in groove to make the frame of sound insulation panel, and its mechanical property will promote, and sound insulation panel application scope and effect will improve.
Summary of the invention
The object of this invention is to provide a kind of sound insulation and noise reduction panel and frame thereof, make protective door or the dividing plate of equipment with it, be installed on the noise source position that plant equipment etc. produces noise, then effectively can adsorb high and low frequency noise, realize noise reduction; Meanwhile, the edge strip of sound insulation and noise reduction panel border designs male and female draw-in groove, improve the bulk strength of sound insulation panel, range of application and effect are improved.Produce the position of noise at equipment etc., use this material as protective door or dividing plate, have obvious actual effect to the suppression of high and low frequency noise, this material has the features such as structure is simple, easy to make, theoretical method is reliable.
Solving the scheme that technical matters of the present invention takes is: this invention is made up of two-layer panel, interlayer and frame etc., panel can be sheet metal or non-metal board, thickness is 0.10 ~ 20mm, interlayer can be cellular material, thickness is 3 ~ 200mm, and honeycomb aperture is 1 ~ 100mm, when sandwich material is sponge material, thickness is 3 ~ 200mm, and density is 20 ~ 300kg/m
3, the edge strip of design male and female draw-in groove is assembled into frame, edge strip designs press strip groove, to improve bulk strength and the range of application of sound insulation panel.Because cellular material and sponge material have stronger suction-operated to high and low frequency noise, therefore, the present invention as the protective door of plant equipment or the vehicles or dividing plate, can have obvious actual effect to the suppression of high and low frequency noise.
Concrete technical scheme of the present invention is:
1) selected panel material, as selected nonmetallic materials panel, as carbon fiber, thickness is 0.1 ~ 100mm; As selected metal material panel, as aluminium alloy plate, thickness is 0.10 ~ 20mm, and two pieces of panels mainly bear front stress.
2) selected sandwich material, as selected cellular material, thickness is H1=3 ~ 200mm, and honeycomb aperture is
d1=1 ~ 100mm, cellular board processes the through hole of certain pitch-row, and sound, through through hole, can progressively be decayed, thickness is thicker, and it is more obvious that noise reduces, and general thickness is H1 ≈ 50mm, there is good noise reduction to high and low frequency noise, about can reduce by 10 ~ 50dB, as Fig. 2.
3) selected sandwich material, as selected sponge material, thickness is H2=3 ~ 200mm, and density is
d2=20 ~ 300kg/m
3, as Fig. 3 states, closed pore elected as by sponge material, is not interconnected between the eyelet of closed pore sponge, hole wall separates completely, has obstruct between eyelet and eyelet, because A hole, have obstruct between B hole and C hole, so noise reduction is obvious, the excellent porous sponge of closed pore sponge soundproof effect.
4) edge strip is designed, adopt rectangular design, edge strip center processing square hole size M × N, for alleviating its weight, edge strip designs two grooves, for installing sealing strip, design such as Fig. 4 of public security frontier bureau bar states, and design such as Fig. 5 of female edge strip states, the counterface of two edges and edge strip angle are 45 °, the protrusion projected square part of public security frontier bureau bar is inserted in the square hole of female edge strip M × D, and the cooperation realizing public security frontier bureau bar and female edge strip connects, materials'use metal or nonmetallic materials.
5) assemble frame, cooperation connecting mode such as Fig. 6 of public security frontier bureau bar and female edge strip states, and wiring layout such as Fig. 7 of frame states, and installs sealing strip on edge strip.
6) design two pieces of panels, its Material selec-tion can not be same, and its physical dimension is consistent with frame.
7) two pieces of panels, sandwich material and frame are put in same mould simultaneously, bottom is panel 1, centre is cellular material or sponge material, upper strata is panel 2, by the pressing of thermal pressure machine, temperature is at 100 ~ 250 degree, cure time is 5 ~ 200 minutes, through heating extrusion forming, make tackifier and bottom panel, cellular material or sponge material, good bounding force is formed between upper deck panels and frame, make panel 1, panel 2, interlayer and frame shape composition one, like this, its intensity is 3 ~ 30 times of panel 1 or panel 2 material, weight is 1/20th of comparable size sheet metal, or 1/10th of nonmetallic materials.
8) design of the required size such as equipment protection door, dividing plate geometric configuration is pressed containing two pieces of panels with dissection or frame, such as rectangle, square etc.
The invention has the beneficial effects as follows, at workshop, this sound insulation and noise reduction panel is installed on noise source position equipment producing noise as protective door or dividing plate, then can effectively adsorb high and low frequency noise, realize noise reduction; Because low-frequency noise is not easy decay, penetration power is strong, and when by being adsorbed by cellular material or sponge material during interlayer, cellular material or sponge material have again has good adsorptive power to high and low frequency noise, therefore, obvious actual effect is had to the suppression of low-and high-frequency noise; Because panel made by the employing sheet metal of sound insulation and noise reduction panel or non-metal board material, can layout on panel, as adopted aluminium alloy plate face, can also do anodic oxidation, therefore, panel is attractive in appearance; Material selec-tion due to two pieces of panels can not be same, such as front panel high-grade material attractive in appearance, the back panel nonmetallic materials of keeping out, and therefore, this sound insulation and noise reduction panel material has the features such as cost is low; Again due to sheet metal or the non-metal board material face plate of employing, have certain hardness, after assembling interlayer, intensity improves, and sound insulation and noise reduction panel material can be produced by certain gauge thickness, and therefore, this material also may be used for top-grade furniture making etc.; Owing to processing square hole size M × N in the design of edge strip, for alleviating its weight, save material, edge strip also designs two grooves, for installing sealing strip, improve the obturation effect of this sound insulation and noise reduction panel, especially, edge strip devises male and female draw-in groove, original and different, ensure that the stability of frame in theory, and its mechanical property will promote greatly, sound insulation panel application scope and effect are improved.
So this invention is applied on equipment and makes protective door or dividing plate, can effectively adsorb high and low frequency noise, realize noise reduction; Few owing to the present invention relates to material, have and make simply, easy for installation, the features such as principle is reliable, and noise reduction is obvious, therefore, the present invention easily promotes.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of sound noise reduction panel of the present invention and frame thereof.
Fig. 2 is the design diagram of cellular material interlayer of the present invention.
Fig. 3 is the design diagram of closed-cell sponge material interlayer of the present invention.
Fig. 4 is the design diagram of the public security frontier bureau bar of frame of the present invention.
Fig. 5 is the design diagram of female edge strip of frame of the present invention.。
Fig. 6 is that the cooperation of public security frontier bureau bar of the present invention and female edge strip connects schematic diagram.
Fig. 7 is the assembly structure schematic diagram of frame of the present invention.
In figure: panel 1, panel 2, interlayer 3, public security frontier bureau bar 4, sealing strip 5, sealing strip 6, female edge strip 7.
Embodiment
Purposes of the present invention is comparatively wide, especially can be used for field of industrial production, such as in plant equipment, does dividing plate or backplate etc., realize noise reduction etc.Following examples are mainly used in making dividing plate or backplate on high speed cigarette equipment.
The present invention is described in detail below in conjunction with accompanying drawing.
See each figure, panel 1, panel 2 are designed to consistent with the physical dimension of frame.The sound insulation and noise reduction panel material of the present embodiment is mainly used in high speed cigarette equipment makes dividing plate or backplate.
Use and adopt carbon fibre material design panel 1 and panel 2, in order to attractive in appearance, so elect commaterial as, the length of panel 1 and panel 2 and be widely designed to 1000mm and 600mm respectively, thickness is all designed to 0.5mm.
Interlayer 3 adopts cellular material, and its structure such as Fig. 2 states, and thickness H1 is designed to 30mm, and honeycomb aperture is
d1=8mm, cellular board processes the through hole of certain pitch-row, and such as designing adjacent holes distance is 0.1mm.
The making material of edge strip 4,7 adopts aluminium alloy.
The manufacture craft of the present embodiment is as follows:
First, mould is carried out, brush coating on successively inside panel 1 and panel 2, interlayer 3, frame edge strip 4,7.
Secondly, the making of frame is as Fig. 6,7.
3rd, panel 1, interlayer 3, panel 2 and frame are put in mould simultaneously, and bottom is panel 1, centre is interlayer 3, and upper strata is panel 2, and two grooves of edge strip 4,7 install sealing strip 5,6, then, by the pressing of thermal pressure machine, temperature is at about 200 degree, and cure time is 20 minutes, through heating extrusion forming, make tackifier and bottom panel 1, interlayer 3, between upper deck panels 2 and frame 6, form good bounding force, make it composition one, as Fig. 1 states.
The physical dimension of above-mentioned sound insulation and noise reduction panel presses the backplate size design of high-speed cigarette machine, therefore, the present invention can substitute the metallic door on former high-speed cigarette machine, not only and there is the actual effects such as sound-absorbing, noise reduction, control noises pollution, successful, also there is the features such as good looking appearance, intensity is high, slim and graceful.
In sum, the present invention is applied on equipment and makes protective door or dividing plate, has obvious actual effect to suppression low-frequency noise, has the features such as panel surface is attractive in appearance, making is simple, principle is reliable, noise reduction is obvious.
Claims (5)
1. a sound insulation and noise reduction panel and frame thereof, be applicable to the absorption of low-and high-frequency noise, specifically be applicable to protective door or the dividing plate of mechanized equipment, it is characterized in that: comprise the compositions such as two-layer panel, interlayer and frame, frame selective metal or nonmetallic materials are made, the edge strip of frame designs male and female draw-in groove, the cooperation realizing public security frontier bureau bar and female edge strip connects.
2. a kind of sound insulation and noise reduction panel according to claim 1 and frame thereof, it is characterized in that: the edge strip of frame adopts rectangular design, edge strip center processing square hole size M × N, for alleviating its weight, edge strip designs two grooves, and for installing sealing strip, the counterface of two edges and edge strip angle are 45 °, the protrusion projected square part of public security frontier bureau bar is inserted in the square hole of female edge strip M × D, and the cooperation realizing public security frontier bureau bar and female edge strip connects.
3. a kind of sound insulation and noise reduction panel according to claim 1 and frame thereof, is characterized in that: when panel material selectes metal material panel, as aluminium alloy plate, and thickness is 0.10 ~ 20mm; When panel material selectes nonmetallic materials panel, as carbon fiber, thickness is 0.1 ~ 20mm, and two pieces of panels mainly bear front stress, and the Material selec-tion of two pieces of panels can not be same.
4. a kind of sound insulation and noise reduction panel according to claim 1 and frame thereof, is characterized in that: when cellular material selected by sandwich material, and thickness is 3 ~ 200mm, and honeycomb aperture is 1 ~ 100mm; When sponge material selected by sandwich material, thickness is 3 ~ 100mm, and density is 20 ~ 300kg/m
3.
5. a kind of sound insulation and noise reduction panel according to claim 1 and frame thereof, it is characterized in that: two pieces of panels, sandwich material and frames are put in same mould simultaneously, bottom is panel 1, centre is interlayer, upper strata is panel 2, by the pressing of thermal pressure machine, temperature is at 100 ~ 250 degree, cure time is 5 ~ 200 minutes, through heating extrusion forming, make tackifier and bottom panel 1, interlayer, between upper deck panels 2 and frame, form good bounding force, make panel 1, panel 2, interlayer and frame shape composition one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065374.1A CN104867488A (en) | 2014-02-22 | 2014-02-22 | Sound insulation and noise reduction panel and frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410065374.1A CN104867488A (en) | 2014-02-22 | 2014-02-22 | Sound insulation and noise reduction panel and frame thereof |
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| Publication Number | Publication Date |
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| CN104867488A true CN104867488A (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410065374.1A Pending CN104867488A (en) | 2014-02-22 | 2014-02-22 | Sound insulation and noise reduction panel and frame thereof |
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| CN (1) | CN104867488A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816149A (en) * | 2019-04-11 | 2020-10-23 | 中国科学院声学研究所 | Low-frequency honeycomb sound absorption device |
-
2014
- 2014-02-22 CN CN201410065374.1A patent/CN104867488A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111816149A (en) * | 2019-04-11 | 2020-10-23 | 中国科学院声学研究所 | Low-frequency honeycomb sound absorption device |
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Application publication date: 20150826 |