CN103437857A - Silencer and system - Google Patents
Silencer and system Download PDFInfo
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- CN103437857A CN103437857A CN2013104183647A CN201310418364A CN103437857A CN 103437857 A CN103437857 A CN 103437857A CN 2013104183647 A CN2013104183647 A CN 2013104183647A CN 201310418364 A CN201310418364 A CN 201310418364A CN 103437857 A CN103437857 A CN 103437857A
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- catadioptric
- silencing apparatus
- housing
- conduit
- chamber
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- Exhaust Silencers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The embodiment of the invention discloses a silencer and a system. The silencer is in a combined-type structure, is made of composite materials, has an obvious noise reduction effect, and comprises a pipeline connecting pipe, a shell, an outer shell, a folded cavity, at least one folded guide pipe and a filter screen, wherein the pipeline connecting pipe, the shell and the outer shell are sequentially connected; the folded guide pipe is installed in the shell, and is connected with the shell through the folded cavity wall; the filter screen is installed in the folded cavity; the shell, the outer shell, the folded cavity and the folded guide pipe are all made of composite materials.
Description
Technical field
The present invention relates to noise reduction technology, particularly a kind of silencing apparatus and system.
Technical background
Silencing apparatus is mounted in the device of inlet and exhaust system for reducing noise.Silencing apparatus commonly used, mainly contain resistive silencing apparatus and anti-formula silencing apparatus at present.
Wherein, the resistive silencing apparatus utilizes each fiber or foam class material as the medium that absorbs the acoustic vibration energy, realizes the noise reduction purpose.Fig. 1 is a kind of resistive silencing apparatus that is arranged on intake grill, and as shown in Figure 1, this resistive silencing apparatus forms main support by pipeline adapter 1, shell 2 and interlayer 4, and the inboard sound-absorbing material 3 by being filled in support web plate 7 back absorbs the vibrational energy of sound wave.In the path of air inlet runner 10, filter screen 6 is installed and in order to purify, sucks gas, the above covers sealing by outer cover 5.
Sound-absorbing material in the resistive silencing apparatus, stronger to the power absorption of high-frequency noise, poor to the noise reduction of low-frequency noise.And the sound-absorbing material needs are exposed in the space of gas communication, have cellosilk or fragment etc. and discharge with air-flow, pollute the downstream workflow.
Anti-formula silencing apparatus utilizes the particular geometric configuration in silencing apparatus, makes sonic wave amplitude and the former sonic wave amplitude reverse-phase of refraction and reflection, offsets voluntarily the mode noise reduction of the vibration of sound wave.Figure 2 shows that a kind of anti-formula silencing apparatus that is arranged on exhaust outlet, as shown in Figure 2, this anti-formula silencing apparatus forms main support by pipeline adapter 1 and shell 2, inboard by catadioptric chamber dividing plate 11, catadioptric conduit 9 and shell 2, form two specific geometric space structures, utilize sound wave to reflect therein and mode that the inverted amplitude that reflects is cancelled out each other reduces noise energy.
Anti-formula silencing apparatus mostly is the barrel-like structure of Plate Welding moulding, to certain, specify the neutralization effect of low frequency quite a lot of, the anti-phase counteracting efficiency of the noise of other frequency and high-frequency noise is very low, and the soundproof effect of steel bucket wall is also poor, so have probabilistic noise reduction On Index.
Summary of the invention
One embodiment of the invention provides a kind of silencing apparatus, possesses composite structure and adopt to make, and noise reduction is obvious.
A kind of silencing apparatus that the embodiment of the present invention provides, be arranged at the intake grill of equipment, comprising: pipeline adapter, housing, outer cover, catadioptric chamber, at least one catadioptric conduit and filter screen; Wherein, described pipeline adapter, housing are connected successively with outer cover; Described catadioptric conduit is installed on enclosure interior, by described catadioptric chamber wall, with housing, is connected; Described filter screen is installed in catadioptric chamber;
Described housing, outer cover, catadioptric chamber, catadioptric conduit are made by composite material.
Wherein, the gap of described housing and outer cover sucks gas to catadioptric chamber, imports described pipeline by described catadioptric conduit and take over after described filter screen purifies; Wherein, the gas sound wave is constantly refraction and reflection in described catadioptric chamber and catadioptric conduit, in inverted amplitude counteracting mode, reduces noise energy.
Wherein, described silencing apparatus further comprises the enhancing skeleton, and described enhancing skeleton is coated on hull outside.
Another embodiment of the present invention provides a kind of silencing apparatus, is arranged at the intake grill/exhaust outlet of equipment, comprising: inlet ductwork adapter, export pipeline adapter, housing, catadioptric chamber dividing plate and at least one catadioptric conduit; Wherein, described two pipelines are taken over and are connected by housing; Described catadioptric conduit is installed on enclosure interior, by catadioptric chamber dividing plate, with housing, is connected;
Described housing, catadioptric chamber dividing plate and catadioptric conduit are made by composite material.
Wherein, described inlet ductwork is taken over and is sucked gas to housing; The gas sound wave is constantly refraction and reflection in described housing and catadioptric conduit, in inverted amplitude counteracting mode, reduces noise energy.
Wherein, described silencing apparatus further comprises the enhancing skeleton, and described enhancing skeleton is coated on hull outside.
One embodiment of the invention provides a kind of muffler system, comprises above two kinds of silencing apparatuss, is arranged at respectively intake grill and the exhaust outlet of equipment.
Another embodiment of the present invention provides a kind of muffler system, comprises two described the second silencing apparatuss, is arranged at respectively intake grill and the exhaust outlet of equipment.
The present invention combines the advantage of resistive silencing apparatus and anti-formula silencing apparatus, forms the geometric space structure between catadioptric conduit wherein, catadioptric chamber, catadioptric chamber dividing plate, utilizes sound wave to reflect therein and mode that the inverted amplitude that reflects is cancelled out each other reduces noise energy; Composite material material assembly possesses the characteristic of absorbing simultaneously, can absorb the energy of a part of acoustic vibration; The large characteristic of recycling composite material conduction attenuation ratio steel, in described housing, realize triple noise reductions by the energy barrier of part acoustical vibration thus.
The accompanying drawing explanation
Figure 1 shows that the structural representation of a kind of resistive intake grill silencing apparatus that prior art provides.
Figure 2 shows that the structural representation of a kind of anti-formula silencer for air outlet that prior art provides.
Figure 3 shows that a kind of acoustic wave filter structure schematic diagram that the embodiment of the present invention provides.
Figure 4 shows that a kind of acoustic wave filter structure schematic diagram that another embodiment of the present invention provides.
Embodiment
For the purpose, technological scheme and the advantage that make the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment who obtains, belong to the scope of protection of the invention.
The technological scheme respectively embodiment provided below in conjunction with accompanying drawing is elaborated.
Figure 3 shows that the structural representation of a kind of silencing apparatus that one embodiment of the invention provides.As shown in Figure 3, this silencing apparatus comprises: pipeline adapter 1, housing 2, outer cover 3, catadioptric chamber 4, catadioptric conduit 5 and filter screen 6; Wherein, pipeline adapter 1, housing 2 are connected successively with outer cover 3; Catadioptric conduit 5 is installed on housing 2 inside, by catadioptric chamber 4 walls, with housing 2, is connected; Described filter screen 6 is installed in catadioptric chamber 4;
Wherein, the gap 7 of described housing 2 and outer cover 3 sucks gas to catadioptric chamber 4, imports pipeline by catadioptric conduit 5 and take over 1 after filter screen 6 purifies; Wherein, the gas sound wave is constantly refraction and reflection in catadioptric chamber 4 and catadioptric conduit 5, in inverted amplitude counteracting mode, reduces noise energy.
In an embodiment of the present invention, the described silencing apparatus of Fig. 3 further comprises enhancing skeleton 8, strengthens skeleton 8 and is coated on housing 2 outsides.
Figure 4 shows that the structural representation of a kind of silencing apparatus that another embodiment of the present invention provides.As shown in Figure 4, described silencing apparatus comprises: pipeline adapter 1, pipeline adapter 2, housing 3, catadioptric chamber dividing plate 4 and two catadioptric conduits 5,6; Wherein, pipeline adapter 1 is connected by housing 3 with pipeline adapter 2; Two catadioptric conduits 5,6 are installed on housing 3 inside, by catadioptric chamber dividing plate 4, with housing 3, are connected;
Wherein, gas is taken over 1 by pipeline and is entered into housing 3; The gas sound wave constantly reflects and reflection in housing 3 and two catadioptric conduits 5,6, in the anti-phase counteracting mode of amplitude, reduces noise energy.
In an embodiment of the present invention, the described silencing apparatus of Fig. 4 further comprises enhancing skeleton 7, strengthens skeleton 7 and is coated on housing 3 outsides.
It will be understood by those skilled in the art that described enhancing skeleton also can be coated on the housing inboard, is arranged on enclosure interior or do not use.
It will be understood by those skilled in the art that described composite material comprises cast mineral, epoxy resin cellular material and micropore composite material etc.
Those skilled in the art are appreciated that the catadioptric conduit in described silencing apparatus can have a plurality of equally.
In an embodiment of the present invention, silencing apparatus as described in Figure 3 and silencing apparatus as described in Figure 4 can be used in conjunction with, form a muffler system, wherein the described silencing apparatus of Fig. 3 is arranged to the intake grill of equipment, the described silencing apparatus of Fig. 4 is arranged to the exhaust outlet of equipment.
In another embodiment of the present invention, two described silencing apparatuss of Fig. 4 can be used in conjunction with, and form a muffler system, wherein the described silencing apparatus of Fig. 4 are arranged at respectively to intake grill and the exhaust outlet of equipment.
Above-described embodiment is only for explanation technical conceive of the present invention and characteristics, not in order to limit the present invention, within the spirit and principles in the present invention all, any modification of doing, is equal to replacement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a silencing apparatus, be arranged at the intake grill of equipment, it is characterized in that, comprising: pipeline adapter, housing, outer cover, catadioptric chamber, at least one catadioptric conduit and filter screen; Wherein, described pipeline adapter, housing are connected successively with outer cover; Described catadioptric conduit is installed on enclosure interior, by described catadioptric chamber wall, with housing, is connected; Described filter screen is installed in catadioptric chamber;
Described housing, outer cover, catadioptric chamber, catadioptric conduit are made by composite material.
2. silencing apparatus according to claim 1, is characterized in that, the gap of described housing and outer cover sucks gas to catadioptric chamber, imports described pipeline by described catadioptric conduit and take over after described filter screen purifies; Wherein, the gas sound wave is constantly refraction and reflection in described catadioptric chamber and catadioptric conduit, in inverted amplitude counteracting mode, reduces noise energy.
3. silencing apparatus according to claim 1, is characterized in that, further comprises the enhancing skeleton.
4. silencing apparatus according to claim 3, is characterized in that, described enhancing skeleton is coated on hull outside.
5. a silencing apparatus, be arranged at the intake grill/exhaust outlet of equipment, it is characterized in that, comprising: inlet ductwork adapter, export pipeline adapter, housing, catadioptric chamber dividing plate and at least one catadioptric conduit; Wherein, inlet ductwork is taken over export pipeline and is taken over and be connected by housing; Described catadioptric conduit is installed on enclosure interior, by catadioptric chamber dividing plate, with housing, is connected;
Described housing, catadioptric chamber dividing plate and catadioptric conduit are made by composite material.
6. silencing apparatus according to claim 5, is characterized in that, described inlet ductwork is taken over and sucked gas to housing; The gas sound wave is constantly refraction and reflection in described housing and catadioptric conduit, in inverted amplitude counteracting mode, reduces noise energy.
7. silencing apparatus according to claim 5, is characterized in that, further comprises the enhancing skeleton.
8. silencing apparatus according to claim 7, is characterized in that, described enhancing skeleton is coated on hull outside.
9. a muffler system, is characterized in that, comprising: described silencing apparatus as arbitrary as claim 1 to 4, and described silencing apparatus as arbitrary as claim 5 to 8; Wherein, described silencing apparatus as arbitrary as claim 1 to 4 is arranged at the intake grill of equipment, and simultaneously, described silencing apparatus as arbitrary as claim 5 to 8 is arranged at the exhaust outlet of equipment.
10. a muffler system, is characterized in that, comprising: two described silencing apparatuss as arbitrary as claim 5 to 8 are arranged at respectively intake grill and the exhaust outlet of equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104183647A CN103437857A (en) | 2013-09-13 | 2013-09-13 | Silencer and system |
| PCT/CN2014/086306 WO2015035926A1 (en) | 2013-09-13 | 2014-09-11 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104183647A CN103437857A (en) | 2013-09-13 | 2013-09-13 | Silencer and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103437857A true CN103437857A (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104183647A Pending CN103437857A (en) | 2013-09-13 | 2013-09-13 | Silencer and system |
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| Country | Link |
|---|---|
| CN (1) | CN103437857A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317312Y (en) * | 1998-01-04 | 1999-05-05 | 邱克敏 | Air purifying silencer for air compressor |
| JP2002021549A (en) * | 2000-07-11 | 2002-01-23 | Suzuki Motor Corp | Noise eliminator |
| US20040065503A1 (en) * | 2002-10-07 | 2004-04-08 | Honda Giken Kogyo Kabushiki Kaisha | Valve device for silencer |
| CN201202651Y (en) * | 2008-06-06 | 2009-03-04 | 章丘丰源机械有限公司 | Sound eliminator |
| CN201326445Y (en) * | 2008-12-18 | 2009-10-14 | 重庆迈崴机器有限公司 | Purification silencer for engine tail gas |
| CN201474756U (en) * | 2009-09-08 | 2010-05-19 | 博浪柯(浙江)机电制造有限公司 | Single-row gas pipe muffler for diesel generator |
| CN102464871A (en) * | 2010-11-16 | 2012-05-23 | 张卫琴 | Glass fiber reinforced PBT (Polybutylece Terephthalate) material for silencer |
-
2013
- 2013-09-13 CN CN2013104183647A patent/CN103437857A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2317312Y (en) * | 1998-01-04 | 1999-05-05 | 邱克敏 | Air purifying silencer for air compressor |
| JP2002021549A (en) * | 2000-07-11 | 2002-01-23 | Suzuki Motor Corp | Noise eliminator |
| US20040065503A1 (en) * | 2002-10-07 | 2004-04-08 | Honda Giken Kogyo Kabushiki Kaisha | Valve device for silencer |
| CN201202651Y (en) * | 2008-06-06 | 2009-03-04 | 章丘丰源机械有限公司 | Sound eliminator |
| CN201326445Y (en) * | 2008-12-18 | 2009-10-14 | 重庆迈崴机器有限公司 | Purification silencer for engine tail gas |
| CN201474756U (en) * | 2009-09-08 | 2010-05-19 | 博浪柯(浙江)机电制造有限公司 | Single-row gas pipe muffler for diesel generator |
| CN102464871A (en) * | 2010-11-16 | 2012-05-23 | 张卫琴 | Glass fiber reinforced PBT (Polybutylece Terephthalate) material for silencer |
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Application publication date: 20131211 |