CN103216295A - Catalyst and silencer integral device for car, corresponding engine and corresponding car - Google Patents
Catalyst and silencer integral device for car, corresponding engine and corresponding car Download PDFInfo
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- CN103216295A CN103216295A CN2013101549844A CN201310154984A CN103216295A CN 103216295 A CN103216295 A CN 103216295A CN 2013101549844 A CN2013101549844 A CN 2013101549844A CN 201310154984 A CN201310154984 A CN 201310154984A CN 103216295 A CN103216295 A CN 103216295A
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- cylindrical shell
- catalyst
- integrated device
- silencing apparatus
- suction tude
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a catalyst and silencer integral device for the car, a corresponding engine and the corresponding car. The catalyst and silencer integral device for the car comprises a cylinder body with openings at two ends, an air inlet pipe fixedly arranged inside the cylinder body, and an exhaust silencing pipe fixedly arranged inside the cylinder body. A separating board which is arranged in a radial mode is arranged inside the cylinder body, and is used for dividing an inner cavity of the cylinder boy into a first cavity and a second cavity in a front-and-back mode, the air inlet pipe is communicated with an opening at the front end of the cylinder body and the first cavity, the exhaust silencing pipe is communicated with the first cavity and an opening at the rear end of the cylinder body, a catalyst carrier is arranged inside the air inlet pipe, and silencing through holes are formed in the exhaust silencing pipe. According to the catalyst and silencer integral device for the car, the catalyst carrier and the exhaust silencing pipe are integrated inside the cylinder body, the size of the catalyst carrier and the size of the exhaust silencing pipe are reduced, space arrangement is convenient, conversion efficiency of the catalyst carrier is improved, and exhaust back pressure is reduced. The catalyst and silencer integral device for the car is applicable to various exhaust systems of engines of cars, and can be further applied to various engines and cars.
Description
Technical field
The invention belongs to the noise elimination noise reduction technology, specifically a kind of vehicle catalyst and silencing apparatus integrated device and have this vehicle catalyst and the motor and the automobile of silencing apparatus integrated device.
Background technique
Along with the fast development of science and technology, motor-vehicle tail-gas and exhaust sound more and more come into one's own to the influence of environment, and the requirement of emission standard is also more and more stricter.For the harmful gas in the vehicle exhaust, can be before the discharging through catalyst converter, catalyst converter is with CO, HC and NO
XChange harmless CO Deng harmful gas into by oxidation and reduction
2, H
2O and N
2For exhaust sound, can utilize aerodynamic force attenuation principle such as sound absorption, expansion, resonance, interference through silencing apparatus before the discharging, reduce noise.
In the prior art, before catalyst converter is installed in silencing apparatus, be self-contained unit respectively, it is big to take up space.For the two-stage catalyst converter, back level catalyst converter is far away apart from motor, and it is longer that catalyzer reaches the initiation temperature needed time, and the catalyst converter transformation efficiency is lower; And silencing apparatus is far away apart from motor, inner needs the processing of eliminating the noise of the complicated structure of design, thereby exhaust back pressure is exerted an influence.
Summary of the invention
For solving the above deficiency that exists in the prior art, the invention provides a kind of vehicle catalyst and silencing apparatus integrated device, by catalyst carrier and hush tube are integrated in the cylindrical shell, to reduce the two volume, be convenient to spatial arrangement, and help improving the catalyst carrier transformation efficiency, reduce exhaust back pressure;
Another object of the present invention provides the motor that has above-mentioned vehicle catalyst and silencing apparatus integrated device;
A further object of the invention provides the automobile that has above-mentioned motor.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of vehicle catalyst and silencing apparatus integrated device, comprise both ends open cylindrical shell, be fixed at suction tude and exhausting silencer pipe in the cylindrical shell, described inner barrel is provided with the dividing plate that radially is provided with, dividing plate will be divided into first chamber and second chamber before and after the cylinder lumen, described suction tude is communicated with the barrel front end opening and first chamber, and the exhausting silencer pipe is communicated with first chamber and cylinder back-end opening; Be provided with catalyst carrier in the described suction tude, the exhausting silencer tube wall is provided with the noise elimination through hole.
As limitation of the invention, be provided with vertically the heat insulation foam layer that being used to of extending isolate heat and keep catalyst carrier constant temperature between described suction tude outer wall and the cylinder inboard wall.
As to another kind of qualification the of the present invention, be provided with the laying of being used for fixing of extending vertically and guard catalyst carrier between described suction tude inwall and the catalyst carrier.
As of the present invention the third limited, described dividing plate is the muffler plate of ring, and the external diameter of its internal diameter and exhausting silencer pipe is suitable; Be furnished with on the dividing plate a plurality of be separated by be provided with along the penetrating sound attenuation hole of thickness of slab direction.
As to the 4th kind of qualification of the present invention, described noise elimination through hole is provided with a plurality of, is separated by to be distributed in being positioned on the tube wall that second chamber interior divides of exhausting silencer pipe.
The present invention also has a kind of qualification, is fixedly connected with first connecting plate that is disposed radially between described suction tude air outlet end and cylinder inboard wall, and the exhausting silencer pipe is fixedly connected with second connecting plate that is disposed radially between the outer wall at noise elimination through hole rear side place and cylinder inboard wall.
The invention also discloses a kind of motor, have above-mentioned vehicle catalyst and silencing apparatus integrated device in its vent systems.
The invention also discloses a kind of automobile, it comprises above-mentioned motor.
Owing to adopted technique scheme, the present invention compared with prior art, obtained technological progress is:
1. the catalyst carrier in the suction tude is used for CO, HC and NO
XChange harmless CO Deng harmful gas into by oxidation and reduction
2, H
2O and N
2The exhausting silencer pipe is used for exhaust sound is carried out noise reduction; By catalyst carrier and hush tube are integrated in the cylindrical shell, can reduce the two volume, be convenient to spatial arrangement, and help improving the catalyst carrier transformation efficiency, reduce exhaust back pressure;
2. the heat insulation foam layer is used for the heat of isolating cylinder external body and guarantees that catalyst carrier is in temperature constant state, reducing the thermal radiation influence that catalyst carrier is subjected to, and then improves transformation efficiency;
3. laying is used to make temperature to distribute, the isolated temperature radiation.；
4. the hole that is provided with on dividing plate and the exhausting silencer pipe is used to eliminate exhaust sound;
5. first connecting plate is used to strengthen the join strength of suction tude and cylindrical shell, and second connecting plate is used to strengthen the join strength of exhausting silencer pipe and cylindrical shell, and guarantees that all gas in second chamber enters into the exhausting silencer pipe by the exhausting silencer through hole.
In sum, integrated device of the present invention have simple in structure, take the characteristics that volume is little, be beneficial to spatial arrangement.
The present invention is applicable to and further is applied on various motors and the automobile on the various automobile engine exhaust systems.
Description of drawings
Below in conjunction with drawings and the specific embodiments the present invention is done further to describe in detail.
Fig. 1 is the whole cross-sectional view of the embodiment of the invention 1;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the B-B view of Fig. 1.
Among the figure: 1, cylindrical shell; 2, suction tude; 3, heat insulation foam layer; 4, laying; 5, catalyst carrier; 6, first connecting plate; 7, dividing plate; 71, sound attenuation hole; 8, exhausting silencer pipe; 81, noise elimination through hole; 9, second connecting plate; 10, second chamber; 11, first chamber.
Embodiment
Embodiment 1
A kind of vehicle catalyst and silencing apparatus integrated device, structure comprise cylindrical shell 1, suction tude 2 and exhausting silencer pipe 8 as shown in Figure 1.
The main body of cylindrical shell 1 is a cylindrical drum, and two ends connect suitable conically shaped structure, are opened on the conically shaped lateral port.Cylindrical shell 1 inside radially is provided with dividing plate 7, and it is front end that its inner chamber with cylindrical shell 1 is divided into the left end that first chamber 11, the second chamber 10(establish among Fig. 1 from front to back successively, and right-hand member is the rear end).
Suction tude 2 is fixed in the cylindrical shell 1, is communicated with cylindrical shell 1 front opening and first chamber 11.The suction port place of suction tude 2 is stuck in cylindrical shell 1 forward open end, is fixedly connected with first connecting plate 6 that is disposed radially between place, air outlet and cylindrical shell 1 inwall.The internal diameter of first connecting plate 6, external diameter are suitable with the internal diameter of the external diameter of suction tude 2, cylindrical shell 1 respectively.As shown in Figure 2; be provided with catalyst carrier 5 in the suction tude 2; be provided with the laying 4 that extends vertically between catalyst carrier 5 and suction tude 2 inwalls; be used for fixing and guard catalyst carrier 5; be provided with the heat insulation foam layer 3 that extends vertically between suction tude 2 outer walls and cylindrical shell 1 inwall, be used to isolate the heat of cylindrical shell 1 outside and guarantee that catalyst carrier 5 is in temperature constant state.
Exhausting silencer pipe 8 is fixed in the cylindrical shell 1, is communicated with first chamber 11 and cylindrical shell 1 open rearward end.The suction port of exhausting silencer pipe 8 is positioned at first chamber 11, and the air outlet overlaps with the rear open end of cylindrical shell 1.The wall that exhausting silencer pipe 8 is positioned at the position of second chamber 10 is provided with along the penetrating noise elimination through hole 81 of wall thickness, its many groups that have been spacedly distributed vertically, and each group is for equally distributed a plurality of along being separated by in week.Exhausting silencer pipe 8 radially is fixedly connected with second connecting plate 9 between the outer wall at noise elimination through hole 81 rear side places and cylindrical shell 1 inwall.The internal diameter of second connecting plate 9, external diameter are suitable with the internal diameter of the external diameter of exhausting silencer pipe 8, cylindrical shell 1 respectively.
Dividing plate 7 is the muffler plate of ring, and the external diameter of its internal diameter and exhausting silencer pipe 8 is suitable.Be furnished with on the dividing plate 7 along the penetrating sound attenuation hole 71 of thickness of slab direction and be used for eliminating the noise, sound attenuation hole 71 multi-turn that radially has been spacedly distributed, each circle has along circumferentially homogeneous phase is a plurality of every what distribute, as shown in Figure 3.
The using process of present embodiment is as follows:
The tail gas of motor is entered in the suction tude 2 by suction port, CO wherein, HC and NO
XOxidation and reduction take place when passing through catalyst carrier 5 Deng harmful gas, change harmless CO into
2, H
2O and N
2, then in the air outlet enters into first chamber 11, the gases in first chamber 11 are divided into two-way, one road suction port from exhausting silencer pipe 8 enters exhausting silencer pipe 8, behind exhausting silencer pipe 8 noise reductions outside the relief opening expelling tube; Another road enters in second chamber 10 from the sound attenuation hole 71 on the dividing plate 7, enters into exhausting silencer pipe 8 through noise elimination through hole 81 again, behind exhausting silencer pipe 8 noise reductions outside the relief opening expelling tube.
Present embodiment is by being integrated in catalyst carrier 5 and exhausting silencer pipe 8 in the cylindrical shell 1, to reduce the two volume, be convenient to spatial arrangement, and can reduce the thermal radiation influence that catalyst carrier 5 is subjected to, help improving catalyst carrier 5 transformation efficiencies, reduce exhaust back pressure.
Embodiment 2
A kind of motor car engine, its difference with the prior art only is:
Its vent systems has and embodiment's 1 identical in structure vehicle catalyst and silencing apparatus integrated device.
The structure of this motor other parts is same as the prior art.
Embodiment 3
A kind of automobile, this automobile difference with the prior art only is: its motor has adopted the 2 identical structures with embodiment.
The structure of this automobile other parts is same as the prior art.
Claims (8)
1. vehicle catalyst and silencing apparatus integrated device, comprise both ends open cylindrical shell (1), be fixed at suction tude (2) and exhausting silencer pipe (8) in the cylindrical shell (1),
It is characterized in that:Be provided with the dividing plate (7) that radially is provided with in the described cylindrical shell (1), dividing plate (7) is divided into first chamber (11) and second chamber (10) with the inner front and back of cylindrical shell (1), described suction tude (2) is communicated with cylindrical shell (1) front opening and first chamber (11), and exhausting silencer pipe (8) is communicated with first chamber (11) and cylindrical shell (1) open rearward end; Be provided with catalyst carrier (5) in the described suction tude (2), exhausting silencer pipe (8) wall is provided with noise elimination through hole (81).
2. vehicle catalyst according to claim 1 and silencing apparatus integrated device,
It is characterized in that:Be provided with vertically the heat insulation foam layer (3) that being used to of extending isolate heat and keep catalyst carrier (5) constant temperature between described suction tude (2) outer wall and cylindrical shell (1) inwall.
3. vehicle catalyst according to claim 1 and silencing apparatus integrated device,
It is characterized in that:Be provided with vertically the laying (4) of being used for fixing of extending and guard catalyst carrier (5) between described suction tude (2) inwall and the catalyst carrier (5).
4. vehicle catalyst according to claim 1 and silencing apparatus integrated device,
It is characterized in that:Described dividing plate (7) is the muffler plate of ring, and the external diameter of its internal diameter and exhausting silencer pipe (8) is suitable; Be furnished with on the dividing plate (7) a plurality of be separated by be provided with along the penetrating sound attenuation hole of thickness of slab direction (71).
5. vehicle catalyst according to claim 1 and silencing apparatus integrated device,
It is characterized in that:Described noise elimination through hole (81) is provided with a plurality of, is separated by to be distributed on the tube wall that is positioned at second chamber (10) part of exhausting silencer pipe (8).
6. vehicle catalyst according to claim 1 and silencing apparatus integrated device,
It is characterized in that:Be fixedly connected with first connecting plate (6) that is disposed radially between described suction tude (2) air outlet end and cylindrical shell (1) inwall, exhausting silencer pipe (8) is fixedly connected with second connecting plate (9) that is disposed radially between the outer wall at noise elimination through hole (81) rear side place and cylindrical shell (1) inwall.
7. motor,
It is characterized in that:Have each described vehicle catalyst and silencing apparatus integrated device among the claim 1-6 in the described engine's exhaust system.
8. automobile,
It is characterized in that:It comprises the described motor of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154984.4A CN103216295B (en) | 2013-04-28 | 2013-04-28 | Vehicle catalyst and silencing apparatus integrated device and corresponding motor and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154984.4A CN103216295B (en) | 2013-04-28 | 2013-04-28 | Vehicle catalyst and silencing apparatus integrated device and corresponding motor and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103216295A true CN103216295A (en) | 2013-07-24 |
| CN103216295B CN103216295B (en) | 2015-08-26 |
Family
ID=48814399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310154984.4A Expired - Fee Related CN103216295B (en) | 2013-04-28 | 2013-04-28 | Vehicle catalyst and silencing apparatus integrated device and corresponding motor and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103216295B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2400584Y (en) * | 1999-12-24 | 2000-10-11 | 周丰亨 | Vehicle exhaust purifying silencer |
| JP2001271628A (en) * | 2000-03-29 | 2001-10-05 | Hoei Kogyo Kk | Catalyst element integrated-type muffler for internal combustion engine |
| CN101782009A (en) * | 2009-01-15 | 2010-07-21 | 上海天纳克排气系统有限公司研发分公司 | Catalytic converter for diesel motor exhaust |
| CN201865738U (en) * | 2010-12-02 | 2011-06-15 | 哈尔滨艾瑞环保技术有限公司 | Tube-shell common type exhaust manifold device |
| CN202596857U (en) * | 2012-05-21 | 2012-12-12 | 柳州利和排气控制系统有限公司 | Tail gas emission device for motor vehicles and engine tail gas catalyst for motor vehicles |
-
2013
- 2013-04-28 CN CN201310154984.4A patent/CN103216295B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2400584Y (en) * | 1999-12-24 | 2000-10-11 | 周丰亨 | Vehicle exhaust purifying silencer |
| JP2001271628A (en) * | 2000-03-29 | 2001-10-05 | Hoei Kogyo Kk | Catalyst element integrated-type muffler for internal combustion engine |
| CN101782009A (en) * | 2009-01-15 | 2010-07-21 | 上海天纳克排气系统有限公司研发分公司 | Catalytic converter for diesel motor exhaust |
| CN201865738U (en) * | 2010-12-02 | 2011-06-15 | 哈尔滨艾瑞环保技术有限公司 | Tube-shell common type exhaust manifold device |
| CN202596857U (en) * | 2012-05-21 | 2012-12-12 | 柳州利和排气控制系统有限公司 | Tail gas emission device for motor vehicles and engine tail gas catalyst for motor vehicles |
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| Publication number | Publication date |
|---|---|
| CN103216295B (en) | 2015-08-26 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150826 |