CN201354670Y - Exhaust system used for light-duty diesel truck - Google Patents
Exhaust system used for light-duty diesel truck Download PDFInfo
- Publication number
- CN201354670Y CN201354670Y CNU2009201430798U CN200920143079U CN201354670Y CN 201354670 Y CN201354670 Y CN 201354670Y CN U2009201430798 U CNU2009201430798 U CN U2009201430798U CN 200920143079 U CN200920143079 U CN 200920143079U CN 201354670 Y CN201354670 Y CN 201354670Y
- Authority
- CN
- China
- Prior art keywords
- assembly
- exhaust pipe
- pipe
- catalytic converter
- pipe assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000003647 oxidation Effects 0.000 claims abstract description 23
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 23
- 230000003197 catalytic effect Effects 0.000 claims description 20
- 230000030279 gene silencing Effects 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 238000006555 catalytic reaction Methods 0.000 abstract 3
- 239000000725 suspension Substances 0.000 abstract 2
- 238000013016 damping Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to an exhaust system used for a light-duty diesel truck, which includes a front exhaust pipe assembly, a middle exhaust pipe assembly, a suspension assembly, a damping rubber, an combination assembly of a diesel particulate filter (DPF) and an oxidation catalysis converter, a rear exhaust pipe assembly, a rear exhaust pipe bracket assembly, a muffler assembly, a muffler suspension assembly and a tail pipe; the head end of the combination assembly of the diesel particulate filter (DPF) and the oxidation catalysis converter is communicated with the middle exhaust pipe assembly, and the tail end thereof is communicated with the rear exhaust pipe assembly; the diesel particulate filter (DPF) and the oxidation catalysis converter are welded into an integer; and a gas inlet pipe, a middle pipe and a gas outlet pipe which are sequentially connected are arranged inside the muffler assembly. The utility model greatly improves the tail gas purification function, efficiently eliminates exhaust noise, ensures that the engine pollutant emission is controlled within the range allowable in environmental protection standards, and achieves the purposes of reducing whole truck pollutant emission and noise.
Description
Technical field
The utility model relates to a kind of vent systems, particularly a kind of vent systems that is used on the light diesel truck.
Background technique
Vent systems is to reduce the main device of motor pollutant emission and noise, the good and bad performance that directly influences car load discharging and noise reduction of vent systems coupling, after-treatment system and silencing apparatus then are most crucial, the most important component of vent systems, after-treatment system was in case lost efficacy, vent systems just can not be brought into play the effect that cleaning of off-gas should be arranged, seriously will cause the after-treatment system obstruction and make engine misses, automobile cisco unity malfunction.And silencing apparatus directly has influence on the performance of entire car denoise.
Along with the contradiction of development of automobile and environmental pollution shows especially day by day, actively take measures in countries in the world at present, constantly improves environmental protection standard.The existing execution phase III environmental protection standard of China, quadravalence section environmental protection standard has been carried out in Beijing, and European quadravalence section environmental protection standard is all carried out in developed country such as the Japan in EU countries, the U.S. and Asia, Singapore, Hong Kong and area.Because homemade truck has the advantage of high performance-price ratio, beginning is outlet in a large number, comprises developed country and areas such as Singapore, Hong Kong.
Yet it only is an outlet pipe and a silencing apparatus connectivity structure that the vent systems of existing domestic light diesel truck is arranged.The function that does not have emission abatement tail gas, and silencing apparatus is because to be subjected to the restriction noise elimination effect of structure very undesirable, thus cause because discharging and noise can not reach the requirement of environmental regulation, influence this class truck in developed country and regional sale with this.
The model utility content
The purpose of this utility model is: overcome the deficiencies in the prior art, provide a kind of tail gas clean-up function effective with noise elimination at the light diesel truck, reach and reduce car load pollutant emission and noise, satisfy the vent systems of environmental regulation requirement.
The utility model is achieved through the following technical solutions:
A kind of vent systems that is used for the light diesel truck comprises that front exhaust pipe assembly, intermediate exhaust pipe assembly, DPF hang assembly, vibration isolation rubber, grain catcher and oxidation catalytic converter combination assembly (DPF), final vacuum pipe assembly, final vacuum pipe holder assembly, muffler assembly, silencing apparatus is hung assembly and tail pipe;
Described front exhaust pipe assembly is positioned at the total system first place, connects the intermediate exhaust pipe assembly in the external diesel engine exhaust menifold; Described grain catcher is communicated with the intermediate exhaust pipe assembly with the head end of oxidation catalytic converter combination assembly (DPF), and its tail end is communicated with the final vacuum pipe assembly; Described muffler assembly is positioned at total system time afterbody, and head end is communicated with the final vacuum pipe assembly, and tail end is connected to tail pipe;
The front exhaust pipe assembly is provided with lambda sensor;
The ingress and the outlet port of described grain catcher and oxidation catalytic converter combination assembly (DPF) are respectively equipped with the temperature transducer hole;
The ingress and the outlet port of described grain catcher and oxidation catalytic converter combination assembly (DPF) are respectively equipped with the pressure transducer hole;
Described muffler assembly inside is provided with suction tude, intervalve and the steam outlet pipe that connects successively.
Described grain catcher and oxidation catalytic converter are by being welded to form an integral body.
Suction tude in the described muffler assembly is provided with preceding dividing plate, and intervalve is provided with intermediate clapboard, and steam outlet pipe is provided with rear bulkhead.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is grain catcher and oxidation catalytic converter combination assembly (DPF) structural representation,
Fig. 3 is the plan view of Fig. 2,
Fig. 4 is the muffler assembly cut-away view.
Embodiment
As shown in Figure 1, the vent systems that is used for the light diesel truck comprises front exhaust pipe assembly 1, intermediate exhaust pipe assembly 2, hangs assembly 3, vibration isolation rubber 4, grain catcher and oxidation catalytic converter combination assembly (DPF) 5, final vacuum pipe assembly 7, final vacuum pipe holder assembly 6, muffler assembly 8, silencing apparatus hang assembly 9 and tail pipe 10.Front exhaust pipe assembly 1 is positioned at the total system first place, connects intermediate exhaust pipe assembly 2 in the external diesel engine exhaust menifold; Grain catcher is communicated with intermediate exhaust pipe 2 assemblies with the head end of oxidation catalytic converter combination assembly (DPF) 5, and its tail end is communicated with final vacuum pipe assembly 6; Muffler assembly 8 is positioned at total system time afterbody, and its head end is communicated with final vacuum pipe assembly 6, and tail end is connected to tail pipe 10.
The lambda sensor seat is installed on the front exhaust pipe assembly 1, lambda sensor can be installed, be used for monitoring the oxygen concentration of exhaust, and feed back signal to Motronic control maps controller (ECU), make electronic controller (ECU) carry out the combustion mode of Different Strategies according to oxygen concentration in the exhaust, discharging pollutants of control car load, and be that grain catcher and oxidation catalytic converter combination assembly (DPF) 5 operations provide sufficiently high delivery temperature.
Oxidation catalytic converter 11 is as a whole by being welded into grain catcher 12, sees Fig. 2 and Fig. 3; The ingress and the outlet port of grain catcher and oxidation catalytic converter combination assembly (DPF) 5 are respectively equipped with the temperature transducer hole, be used for monitoring the gas temperature of grain catcher and oxidation catalytic converter combination assembly (DPF) 5, and feed back signal to Motronic control maps controller (ECU), make electronic controller (ECU) judge whether to start the grain catcher regeneration function, major function is the particulate matter in the emission abatement tail gas; In grain catcher and oxidation catalytic converter combination assembly (DPF) 5 ingress and the outlet port be respectively equipped with the pressure transducer hole, be used to monitor the front and back pressure difference of grain catcher and oxidation catalytic converter combination assembly (DPF) 5, and feed back signal to Motronic control maps controller (ECU), make electronic controller (ECU) judge whether to start regeneration function or startup regenerative system trouble signal tutorial light, whether need grain catcher and oxidation catalytic converter combination assembly (DPF) 5 safeguarded, to guarantee the low emission performance of car load if being convenient to driver's understanding.
As shown in Figure 4, muffler assembly 8 inside are provided with suction tude 15, intervalve 16 and steam outlet pipe 17, dividing plate 14 before being equipped with on the suction tude 15, intermediate clapboard 18 is installed on the intervalve 16, rear bulkhead 19 is installed on the steam outlet pipe 17, the front end of suction tude 15 extends front cover 13 outsides, the rear end of steam outlet pipe 17 extends rear end cover 20 outsides, make full use of the silencing apparatus inner space, make exhaust sound in the inner space continuous collisional quenching, reach the purpose that reduces exhaust sound, major function is to reduce exhaust sound to greatest extent under the prerequisite of the suitable exhaust back pressure of maintenance.
Claims (3)
1, a kind of vent systems that is used for the light diesel truck, comprise front exhaust pipe assembly, intermediate exhaust pipe assembly, hang assembly, vibration isolation rubber, grain catcher and oxidation catalytic converter combination assembly, final vacuum pipe assembly, final vacuum pipe holder assembly, muffler assembly, silencing apparatus hang assembly and tail pipe, it is characterized in that: described front exhaust pipe assembly is positioned at the total system first place, connects the intermediate exhaust pipe assembly in the external diesel engine exhaust menifold; Described grain catcher is communicated with the intermediate exhaust pipe assembly with the head end of oxidation catalytic converter combination assembly, and its tail end is communicated with the final vacuum pipe assembly; Described muffler assembly is positioned at total system time afterbody, and head end is communicated with the final vacuum pipe assembly, and tail end is connected to tail pipe;
The front exhaust pipe assembly is provided with lambda sensor;
The ingress and the outlet port of described grain catcher and oxidation catalytic converter combination assembly are respectively equipped with the temperature transducer hole;
The ingress and the outlet port of described grain catcher and oxidation catalytic converter combination assembly are respectively equipped with the pressure transducer hole;
Described muffler assembly inside is provided with suction tude, intervalve and the steam outlet pipe that connects successively.
2, a kind of vent systems that is used for the light diesel truck according to claim 1 is characterized in that: described grain catcher and oxidation catalytic converter are by being welded to form an integral body.
3, a kind of vent systems that is used for the light diesel truck according to claim 1 is characterized in that: the suction tude in the described muffler assembly is provided with preceding dividing plate, and intervalve is provided with intermediate clapboard, and steam outlet pipe is provided with rear bulkhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201430798U CN201354670Y (en) | 2009-02-24 | 2009-02-24 | Exhaust system used for light-duty diesel truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201430798U CN201354670Y (en) | 2009-02-24 | 2009-02-24 | Exhaust system used for light-duty diesel truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201354670Y true CN201354670Y (en) | 2009-12-02 |
Family
ID=41411011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201430798U Expired - Lifetime CN201354670Y (en) | 2009-02-24 | 2009-02-24 | Exhaust system used for light-duty diesel truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201354670Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383905A (en) * | 2011-11-08 | 2012-03-21 | 上海三一重机有限公司 | Intelligent control method for after-treatment regeneration of engine for engineering machinery |
| CN103287256A (en) * | 2012-02-27 | 2013-09-11 | 上海汇众汽车制造有限公司 | Method for optimizing routing of automobile exhaust pipe |
| CN104594988A (en) * | 2014-12-10 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Gasoline engine catalyst |
| CN105114153A (en) * | 2015-08-31 | 2015-12-02 | 洛阳市华宝非金属材料有限公司 | Particle catcher of diesel engine |
| CN105221226A (en) * | 2015-08-19 | 2016-01-06 | 江门市大长江集团有限公司 | A kind of oxygen sensor installation structure of motorcycle |
| CN107781020A (en) * | 2017-12-04 | 2018-03-09 | 云南力帆骏马车辆有限公司 | A kind of gas extraction system and lorry |
| CN108049951A (en) * | 2017-12-07 | 2018-05-18 | 江铃汽车股份有限公司 | Automobile exhaust pipe and automobile |
-
2009
- 2009-02-24 CN CNU2009201430798U patent/CN201354670Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383905A (en) * | 2011-11-08 | 2012-03-21 | 上海三一重机有限公司 | Intelligent control method for after-treatment regeneration of engine for engineering machinery |
| CN102383905B (en) * | 2011-11-08 | 2012-12-26 | 上海三一重机有限公司 | Intelligent control method for after-treatment regeneration of engine for engineering machinery |
| US9186664B2 (en) | 2011-11-08 | 2015-11-17 | Shanghai Huaxing Digital Technology Co., Ltd. | Intelligent post-treatment and regeneration control method for engineering machinery engine |
| CN103287256A (en) * | 2012-02-27 | 2013-09-11 | 上海汇众汽车制造有限公司 | Method for optimizing routing of automobile exhaust pipe |
| CN104594988A (en) * | 2014-12-10 | 2015-05-06 | 安徽江淮汽车股份有限公司 | Gasoline engine catalyst |
| CN105221226A (en) * | 2015-08-19 | 2016-01-06 | 江门市大长江集团有限公司 | A kind of oxygen sensor installation structure of motorcycle |
| CN105114153A (en) * | 2015-08-31 | 2015-12-02 | 洛阳市华宝非金属材料有限公司 | Particle catcher of diesel engine |
| CN105114153B (en) * | 2015-08-31 | 2018-02-27 | 洛阳市华宝非金属材料有限公司 | Diesel particulate trap |
| CN107781020A (en) * | 2017-12-04 | 2018-03-09 | 云南力帆骏马车辆有限公司 | A kind of gas extraction system and lorry |
| CN108049951A (en) * | 2017-12-07 | 2018-05-18 | 江铃汽车股份有限公司 | Automobile exhaust pipe and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HEFEI HUILING AUTOMOBILE PARTS CO., LTD. Assignor: Anhui Jianghuai Automotive Co., Ltd. Contract record no.: 2011340000096 Denomination of utility model: Exhaust system used for light-duty diesel truck Granted publication date: 20091202 License type: Exclusive License Record date: 20110707 |
|
| CP03 | Change of name, title or address |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |