CN203867664U - Carbon deposition prevention silencer - Google Patents
Carbon deposition prevention silencer Download PDFInfo
- Publication number
- CN203867664U CN203867664U CN201420307058.6U CN201420307058U CN203867664U CN 203867664 U CN203867664 U CN 203867664U CN 201420307058 U CN201420307058 U CN 201420307058U CN 203867664 U CN203867664 U CN 203867664U
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- Prior art keywords
- chamber
- cavity
- cylindrical shell
- outlet pipe
- carbon deposition
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Abstract
The utility model discloses a carbon deposition prevention silencer which comprises an air inlet tube, an air outlet tube and a barrel. The barrel is of a hollow structure. The carbon deposition prevention silencer further comprises a first partition plate, a second partition plate and at least one communication tube. The first partition plate and the second partition plate divide the hollow part of the barrel into a first cavity, a second cavity and a third cavity. The outlet end of the air inlet tube is placed in the second cavity, and the air outlet tube penetrates through the third cavity and the second cavity. The inlet end of the air outlet tube is placed in the first cavity and is a blind end, the two ends of the communication tube are placed in the first cavity and the third cavity respectively, and the part where the communication tube is placed in the second cavity and the parts where the air outlet tube is placed on the first cavity and the third cavity are respectively provided with a plurality of through holes. A cover plate which is in bolted connection with the barrel is further arranged on the side wall of the barrel, and the second cavity is filled with asbestos. The carbon deposition prevention silencer is small in size, under the premise that the size of a silencing cavity is not increased, through overlaying of multiple layers of silencing, the noise reduction effect is optimized on the basis of the prior art, and the noise reduction effect of 40 dB can be achieved under the premise that the power loss to a motor of the carbon deposition prevention silencer is smaller than 7%.
Description
Technical field
The utility model relates to a kind of motor silencing equipment, particularly relates to a kind of anti-carbon deposition silencing apparatus.
Background technique
In urban environment, traffic noise is that radiation is the strongest, the widest pollution sources of influence surface.In motor vehicle noise, exhaust sound is one of Main Noise Sources, and its reduction is mainly by exhaust silencer is installed.In prior art, for the noise elimination of the silencing apparatus on vehicle, be to utilize the expansion of the chamber gas volume that amplifies to reach to fall low noise object, adopt outlet pipe length is that half design of wave length of sound is further to optimize noise reduction simultaneously.
In prior art common be designed to silencing cavity volume be engine exhaust amount 3-5 doubly, for simplifying acoustic wave filter structure, the noise reduction effect amount of two pipe atresia silencing apparatuss of current more employing is only 20dB left and right, this makes vehicular discharge even can surpass 90dB to the noise in environment, this makes the small and exquisite acoustic wave filter structure of existing structure need further to improve, with in soundproof effect, muffler volume and obtain good balanced on structure, engine power loss.
Model utility content
For solving the small and exquisite acoustic wave filter structure of structure in above-mentioned prior art, need further to improve, with in soundproof effect, muffler volume and obtain good balanced problem on structure, engine power loss, the utility model provides a kind of anti-carbon deposition silencing apparatus.
For the problems referred to above, the utility model solves problem by the following technical programs: anti-carbon deposition silencing apparatus, comprise suction tude, steam outlet pipe and cylindrical shell, described cylindrical shell is hollow structure, the outlet end of suction tude is connected with the hollow portion of cylindrical shell respectively with the entry end of steam outlet pipe, also comprise the first dividing plate and the second partition that are arranged in hollow portion, at least one connecting tube, described the first dividing plate and second partition are slit into hollow space in the chamber one being arranged in order, Er He chamber, chamber three, connecting tube, suction tude, the axis conllinear of steam outlet pipe and cylindrical shell, the outlet end of suction tude is positioned at chamber two, steam outlet pipe is through San He chamber, chamber two, the entry end that the entry end of steam outlet pipe is positioned at chamber one and steam outlet pipe is cecum, the two ends of connecting tube lay respectively in Yi He chamber, chamber three, be arranged in the part in chamber two connecting tube, steam outlet pipe is arranged on the sidewall of part in Yi He chamber, chamber three and is provided with a plurality of through holes, on the sidewall of described cylindrical shell, be also provided with and become bolted cover plate with cylindrical shell, described cover plate is between the first dividing plate and second partition, in chamber two, be also filled with asbestos.
Concrete, hollow portion on cylindrical shell is silencing cavity of the present utility model, employing is divided into hollow portion the setting in three chambeies by the first dividing plate and second partition, and by connecting tube is set, the structural type of through hole is set on connecting tube and steam outlet pipe, make to enter gas of the present utility model by suction tude and first pass through the volumetric expansion in chamber two, through hole on connecting tube enters into Yi He chamber, chamber three again, last through hole on steam outlet pipe again enters into steam outlet pipe, the utility model is got rid of in outlet by steam outlet pipe, the gas that above motor produces is in the chamber one of flowing through, in the process in Er He chamber, chamber three, all there is resistant noise-reducing, in the process that is entered connecting tube and steam outlet pipe by through hole, all there is resistive noise reduction, wherein resistive noise reduction is to high-frequency noises, resistant noise-reducing produces good noise reduction to low-frequency noise.Further, for increasing the erasure effect of resistive noise reduction, above connecting tube and steam outlet pipe all adopt wall thickness to be not more than the metal tube of 2mm, spacing between adjacent through-holes is not more than 2.5 times of aperture, with strengthening flow, when through connecting tube and steam outlet pipe, the vibrations that connecting tube and steam outlet pipe produce are further to optimize resistive erasure effect.
Because engine internal fuel contains impurity or burns the reason such as insufficient, the combustion gas that enters into chamber two contains solid suspension conventionally, for preventing the enrichment in the utility model of described suspended matter, affect the aperture of heat transfer of the present utility model, volume and through hole, in described chamber two, asbestos are set, above asbestos, when realizing combustion gas filtration, are brought into play resistive sound deadening to noise simultaneously; The cover plate and the structural type that cylindrical shell becomes to removably connect that arrange, be convenient to filling, replacing and the inspection of asbestos.
Further technological scheme is:
For reducing motor, give vent to anger and enter into the exhaust resistance of the utility model, to reduce the motor power consumption of the utility model institute loss, on described the first dividing plate and second partition, be provided with a plurality of holes of both sides separately of running through, and described hole is circular hole, and the pore diameter range of described circular hole is within the scope of 3-5mm.Adopt being provided with of circular hole to be beneficial to prevent from producing stress under thermal stress and concentrate, the aperture of circular hole is set to that balanced described hole is not blocked, the rigidity of the first dividing plate and second partition, the air-flow flow velocity during through each hole.
For ease of the utility model Free Thermal distortion in the course of the work, prevent from damaging because of thermal stress, the outer wall of described the first dividing plate and second partition becomes Spielpassung with the inwall of hollow portion on cylindrical shell, and in like manner, described connecting tube all becomes Spielpassung with the first dividing plate with second partition.
Described through hole is circular hole, and the pore diameter range of through hole is within the scope of 3-5mm.Adopt being provided with of circular hole to be beneficial to prevent from producing stress under thermal stress and concentrate, through-hole aperture is set to that balanced described through hole is not blocked, the strength and stiffness of connecting tube and steam outlet pipe, the air-flow flow velocity during through each hole.
For making cylindrical shell have good temperature tolerance and good heat dispersion, the material of described cylindrical shell is cast iron.Adopt the form of cast iron to make cylindrical shell there is good heat dispersion, be conducive to the Pressure Drop of gas in the utility model, be beneficial to erasure effect.
The utility model compared with prior art, has following beneficial effect:
1, the utility model is simple in structure, on the basis of the existing two pipe atresia silencing apparatuss that adopt, the first dividing plate, second partition and connecting tube are set more, in the process in the chamber one of flowing through, Er He chamber, chamber three, all there is resistant noise-reducing in the gas that motor produces, in the process that is entered connecting tube and steam outlet pipe by through hole, all there is resistive noise reduction, more than arrange compared to prior art, do not increasing under the prerequisite of silencing cavity volume, by the resistive noise elimination part arranging, reaching the object of optimizing baffler erasure effect.
2, the combustion gas that enters into chamber two contains solid suspension conventionally, asbestos is set for preventing the enrichment in the utility model of described suspended matter in described chamber two, and above asbestos, when realizing combustion gas and filtering, are brought into play resistive sound deadening to noise simultaneously; The cover plate and the structural type that cylindrical shell becomes to removably connect that arrange, be convenient to filling, replacing and the inspection of asbestos, is conducive to working life of the present utility model, is conducive to guarantee the utility model efficient operation under working life simultaneously.Above structural type makes engine exhaust when the utility model, through the stack of multilayer noise reduction, optimizes on the basis of existing technology erasure effect, can make the utility model the power loss of motor be realized to the noise reduction of 40dB 7% time time.
Accompanying drawing explanation
Fig. 1 is the structure perspective view of an embodiment of anti-carbon deposition silencing apparatus described in the utility model;
Fig. 2 is the structural representation of an embodiment of anti-carbon deposition silencing apparatus described in the utility model.
Name corresponding to graphical indicia is called: 1, cylindrical shell, 2, chamber one, 3, the first dividing plate, 4, chamber two, 5, second partition, 6, chamber three, 7, steam outlet pipe, 8, connecting tube, 9, suction tude, 10, cover plate.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail:
Embodiment 1:
As Fig. 1 and Fig. 2, the anti-carbon deposition silencing apparatus that the utility model provides, comprise suction tude 9, steam outlet pipe 7 and cylindrical shell 1, described cylindrical shell 1 is hollow structure, the entry end of the outlet end of suction tude 9 and steam outlet pipe 7 is connected with the hollow portion of cylindrical shell 1 respectively, also comprise the first dividing plate 3 and the second partition 5 that are arranged in hollow portion, at least one connecting tube 8, described the first dividing plate 3 and second partition 5 are slit into hollow space in the chamber 1 being arranged in order, chamber 24 and chamber 36, connecting tube 8, suction tude 9, the axis conllinear of steam outlet pipe 7 and cylindrical shell 1, the outlet end of suction tude 9 is positioned at chamber 24, steam outlet pipe 7 is through chamber 36 and chamber 24, the entry end that the entry end of steam outlet pipe 7 is positioned at chamber 1 and steam outlet pipe 7 is cecum, the two ends of connecting tube 8 lay respectively in chamber 1 and chamber 36, connecting tube 8 is arranged in the part in chamber 24, steam outlet pipe 7 is arranged on the sidewall of part in chamber 1 and chamber 36 and is provided with a plurality of through holes, on the sidewall of described cylindrical shell 1, be also provided with and 1 one-tenth bolted cover plate 10 of cylindrical shell, described cover plate 10 is between the first dividing plate 3 and second partition 5, in chamber 24, be also filled with asbestos.
In the present embodiment, for increasing the erasure effect of resistive noise reduction, above connecting tube 8 is two, the rectangular arrangement in cylindrical shell 1 of connecting tube 8, suction tude 9 and steam outlet pipe 7, connecting tube 8 and steam outlet pipe 7 all adopt wall thickness to be not more than the metal tube of 2mm, spacing between adjacent through-holes is not more than 2.5 times of aperture, and with strengthening flow, when through connecting tube 8 and steam outlet pipe 7, the vibrations that connecting tube 8 and steam outlet pipe 7 produce are further to optimize resistive erasure effect; Described asbestos adopt oil cellucotton, and oil cellucotton is fixed on and take foamed glue on the skeleton that material is made, middle foamed glue is more than set and oil cellucotton all has sound absorption, the gap of oil cellucotton stops the further disperse of suspended matter in engine exhaust, and skeleton promotes the anti-gas shock ability of oil cellucotton simultaneously.
Embodiment 2:
The present embodiment is done further restriction on embodiment 1 basis: as Fig. 1 and Fig. 2, for reducing motor, give vent to anger and enter into the exhaust resistance of the utility model, to reduce the motor power consumption of the utility model institute loss, on described the first dividing plate 3 and second partition 5, be provided with a plurality of holes of both sides separately of running through, and described hole is circular hole, and the pore diameter range of described circular hole is within the scope of 3-5mm.Adopt being provided with of circular hole to be beneficial to prevent from producing stress under thermal stress and concentrate, the aperture of circular hole is set to that balanced described hole is not blocked, the rigidity of the first dividing plate 3 and second partition 5, the air-flow flow velocity during through each hole.
Embodiment 3:
The present embodiment is done further restriction on embodiment 1 basis: as Fig. 1 and Fig. 2, for ease of the utility model Free Thermal distortion in the course of the work, prevent from damaging because of thermal stress, the outer wall of described the first dividing plate 3 and second partition 5 becomes Spielpassung with the inwall of hollow portion on cylindrical shell 1, in like manner, described connecting tube 8 all becomes Spielpassung with the first dividing plate 3 with second partition 5.
Embodiment 4:
The present embodiment is done further restriction on embodiment 1 basis: as Fig. 1 and Fig. 2, described through hole is circular hole, and the pore diameter range of through hole is within the scope of 3-5mm.Adopt being provided with of circular hole to be beneficial to prevent from producing stress under thermal stress and concentrate, through-hole aperture is set to that balanced described through hole is not blocked, the strength and stiffness of connecting tube 8 and steam outlet pipe 7, the air-flow flow velocity during through each hole.
Embodiment 5:
The present embodiment is done further restriction on above embodiment's basis: as Fig. 1 and Fig. 2, for making cylindrical shell 1 have good temperature tolerance and good heat dispersion, the material of described cylindrical shell 1 is cast iron.Adopt the form of cast iron to make cylindrical shell 1 there is good heat dispersion, be conducive to the Pressure Drop of gas in the utility model, be beneficial to erasure effect.
Above content is the further description of the utility model being done in conjunction with concrete preferred implementation, can not assert that embodiment of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not departing from other mode of executions that draw under the technical solution of the utility model, all should be included in protection domain of the present utility model.
Claims (6)
1. anti-carbon deposition silencing apparatus, comprise suction tude (9), steam outlet pipe (7) and cylindrical shell (1), described cylindrical shell (1) is hollow structure, the entry end of the outlet end of suction tude (9) and steam outlet pipe (7) is connected with the hollow portion of cylindrical shell (1) respectively, it is characterized in that, also comprise the first dividing plate (3) and the second partition (5) that are arranged in hollow portion, at least one connecting tube (8), described the first dividing plate (3) and second partition (5) are slit into hollow space in the chamber one (2) being arranged in order, chamber two (4) and chamber three (6), connecting tube (8), suction tude (9), the axis conllinear of steam outlet pipe (7) and cylindrical shell (1), the outlet end of suction tude (9) is positioned at chamber two (4), steam outlet pipe (7) is through chamber three (6) and chamber two (4), the entry end that the entry end of steam outlet pipe (7) is positioned at chamber one (2) and steam outlet pipe (7) is cecum, the two ends of connecting tube (8) lay respectively in chamber one (2) and chamber three (6), connecting tube (8) is arranged in the part in chamber two (4), steam outlet pipe (7) is arranged on the sidewall of part in chamber one (2) and chamber three (6) and is provided with a plurality of through holes, on the sidewall of described cylindrical shell (1), be also provided with cylindrical shell (1) and become bolted cover plate (10), described cover plate (10) is positioned between the first dividing plate (3) and second partition (5), in chamber two (4), be also filled with asbestos.
2. anti-carbon deposition silencing apparatus as claimed in claim 1, is characterized in that, be provided with a plurality ofly to run through the hole of both sides separately, and described hole is circular hole on described the first dividing plate (3) and second partition (5), and the pore diameter range of described circular hole is within the scope of 3-5mm.
3. anti-carbon deposition silencing apparatus as claimed in claim 1, is characterized in that, the outer wall of described the first dividing plate (3) and second partition (5) becomes Spielpassung with the inwall of the upper hollow portion of cylindrical shell (1).
4. anti-carbon deposition silencing apparatus as claimed in claim 1, is characterized in that, described connecting tube (8) all becomes Spielpassung with the first dividing plate (3) with second partition (5).
5. anti-carbon deposition silencing apparatus as claimed in claim 1, is characterized in that, described through hole is circular hole, and the pore diameter range of through hole is within the scope of 3-5mm.
6. as the anti-carbon deposition silencing apparatus as described in any one in claim 1 to 5, it is characterized in that, the material of described cylindrical shell (1) is cast iron.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420307058.6U CN203867664U (en) | 2014-06-11 | 2014-06-11 | Carbon deposition prevention silencer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420307058.6U CN203867664U (en) | 2014-06-11 | 2014-06-11 | Carbon deposition prevention silencer |
Publications (1)
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CN203867664U true CN203867664U (en) | 2014-10-08 |
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ID=51648632
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Application Number | Title | Priority Date | Filing Date |
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CN201420307058.6U Expired - Fee Related CN203867664U (en) | 2014-06-11 | 2014-06-11 | Carbon deposition prevention silencer |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104033212A (en) * | 2014-06-11 | 2014-09-10 | 成都科力夫科技有限公司 | Anti-carbon muffler device |
CN104675477A (en) * | 2015-03-03 | 2015-06-03 | 上海天纳克排气系统有限公司 | Silencer |
-
2014
- 2014-06-11 CN CN201420307058.6U patent/CN203867664U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104033212A (en) * | 2014-06-11 | 2014-09-10 | 成都科力夫科技有限公司 | Anti-carbon muffler device |
CN104675477A (en) * | 2015-03-03 | 2015-06-03 | 上海天纳克排气系统有限公司 | Silencer |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150611 |
|
EXPY | Termination of patent right or utility model |