CN208153103U - A kind of DOC-DPF-SCR assembly apparatus - Google Patents
A kind of DOC-DPF-SCR assembly apparatus Download PDFInfo
- Publication number
- CN208153103U CN208153103U CN201820315060.6U CN201820315060U CN208153103U CN 208153103 U CN208153103 U CN 208153103U CN 201820315060 U CN201820315060 U CN 201820315060U CN 208153103 U CN208153103 U CN 208153103U
- Authority
- CN
- China
- Prior art keywords
- doc
- dpf
- scr
- assembly
- assembly apparatus
- 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.)
- Active
Links
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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a kind of DOC-DPF-SCR assembly apparatus, including DOC-DPF assembly and SCR assembly, and DOC-DPF assembly and SCR assembly are removable connection;Therefore in practical set, the connector to match with the installation space of car body can be added between DOC-DPF assembly and SCR assembly, to adapt to different vehicle assembly.By the above content it is found that the DOC-DPF-SCR assembly apparatus can be designed installation according to the space of vehicle, to adapt to various types of vehicle, installation form multiplicity.Therefore, the utility model proposes DOC-DPF-SCR assembly apparatus, can guarantee the universality of DOC-DPF-SCR general assembly, solve the problems, such as the field at this stage.
Description
Technical field
The utility model relates to diesel engine post-processing systems, fill more specifically to a kind of DOC-DPF-SCR assembly
It sets.
Background technique
Diesel engine DOC-DPF-SCR assembly, that is, oxidation catalyzer, diesel particulate trap and selective catalytic reduction system operating
Set, handled for the tail gas to diesel engine.
For the prior art, traditional DOC-DPF-SCR device is only integrated with block temperature sensor, nitrogen oxide sensor
Seat, urea nozzle seat etc., do not install its corresponding sensor, attachment and harness etc., and need host producer voluntarily
Assembly.But in actual assembling process, because Europe VI after-treatment system includes 4 temperature sensors, temperature before respectively DOC
Easily appearance sequence connects when spending sensor, temperature sensor after temperature sensor, SCR after temperature sensor, DPF after DOC, therefore installing
Wrong problem, cause DPF can not regular regeneration, urea can not normal injection;Meanwhile because of each sensor and the harness of actuator
That does not unify is centralized, therefore is easy that harness is made the phenomenon that high temperature roastingization occur;And DOC-DPF assembly in existing after-treatment system
It is the design being integrally connected with SCR assembly, the two can not separate, and cause the adaptability of arrangement poor, severe to space requirement
It carves, adaptation vehicle is single.
Therefore, the universality for how meeting DOC-DPF-SCR general assembly is the difficulty that the field is urgently to be resolved at this stage
Topic.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of DOC-DPF-SCR assembly apparatus, which can be protected
The universality for demonstrate,proving DOC-DPF-SCR general assembly, solves the problems, such as the field at this stage.
A kind of DOC-DPF-SCR assembly apparatus, including DOC-DPF assembly and SCR assembly, the DOC-DPF assembly and institute
Stating SCR assembly is removable connection.
Preferably, the DOC-DPF-SCR assembly apparatus further includes temperature sensing after temperature sensor and DOC before DOC
Device is respectively used to the temperature at detection DOC assembly both ends.
Preferably, the DOC-DPF-SCR assembly apparatus further includes temperature sensing after temperature sensor and SCR before SCR
Device is respectively used to the temperature at detection SCR assembly both ends.
Preferably, the DOC-DPF-SCR assembly apparatus, further include be separately positioned on DOC-DPF-SCR assembly into
Mouth and export, preceding nitrogen oxide sensor and rear nitrogen oxide sensor.
Preferably, the DOC-DPF-SCR assembly apparatus further includes be used to support the preceding nitrogen oxide sensor first
Nitrogen oxide sensor fender bracket and the second nitrogen oxide sensor fender bracket for being used to support the rear nitrogen oxide sensor;To avoid described
Harness roastingization of preceding nitrogen oxide sensor and the rear nitrogen oxide sensor.
Preferably, the DOC-DPF-SCR assembly apparatus further includes the urea nozzle that the SCR assembly is arranged in.
Preferably, the DOC-DPF-SCR assembly apparatus further includes the urea nozzle for being used to support the urea nozzle
Fender bracket.
Preferably, the DOC-DPF-SCR assembly apparatus further includes harness integrator, and the harness integrator is used for
Summarize before the DOC after temperature sensor, the DOC before temperature sensor, the SCR temperature after temperature sensor, the SCR
Sensor, the preceding nitrogen oxide sensor, the nitrogen oxide sensor afterwards and the harness of the urea nozzle, and integrate for assembling
The connection-peg of the DOC-DPF-SCR assembly apparatus.
Preferably, the DOC-DPF-SCR assembly apparatus further includes the first compact vehicle for being sleeved on DPF assembly
Mounting bracket and the second compact vehicle mounting bracket for being sleeved on the SCR assembly.
Preferably, the DOC-DPF-SCR assembly apparatus, the DOC-DPF assembly and the SCR assembly pass through flange
It is connected.
The utility model proposes DOC-DPF-SCR assembly apparatus, including DOC-DPF assembly and SCR assembly, and DOC-
DPF assembly and SCR assembly are removable connection;It, can be between DOC-DPF assembly and SCR assembly therefore in practical set
The connector that the installation space of addition and car body matches, to adapt to different vehicle assembly.By the above content it is found that the DOC-
DPF-SCR assembly apparatus can be designed installation according to the space of vehicle, to adapt to various types of vehicle, install shape
Formula multiplicity.Therefore, the utility model proposes DOC-DPF-SCR assembly apparatus, can guarantee DOC-DPF-SCR general assembly
Universality solves the problems, such as the field at this stage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of DOC-DPF-SCR assembly apparatus in specific embodiment of the present invention;
Fig. 2 is the schematic diagram of the first compact vehicle mounting bracket in specific embodiment of the present invention;
Fig. 3 is schematic diagram of the DOC-DPF-SCR assembly apparatus far from installation in specific embodiment of the present invention;
Fig. 4 is the schematic diagram of the compact installation of DOC-DPF-SCR assembly apparatus in specific embodiment of the present invention;
Fig. 5 is the schematic diagram of DOC-DPF-SCR assembly apparatus bending installation in specific embodiment of the present invention.
In Fig. 1-Fig. 5:
Temperature sensor-after temperature sensor -4, DOC before assembly -1 DOC, assembly -2 DPF, assembly -3 SCR, DOC
5, temperature sensor -7, import -8, outlet -9, preceding nitrogen oxide sensor -10, rear nitrogen after the preceding temperature sensor -6 of SCR, SCR
Lambda sensor -11, the first nitrogen oxide sensor fender bracket -12, the second nitrogen oxide sensor fender bracket -13, urea nozzle -14,
Urea nozzle fender bracket -15, harness integrator -16, the first compact vehicle mounting bracket -17, the second compact vehicle peace
Fill bracket -18, flange -19, differential pressure pickup -20, connector -21.
Specific embodiment
The core of present embodiment is to provide a kind of DOC-DPF-SCR assembly apparatus, which can guarantee
The universality of DOC-DPF-SCR general assembly solves the problems, such as the field at this stage.
Hereinafter, being illustrated referring to attached drawing to embodiment.In addition, embodiments illustrated below is not to recorded in claim
Utility model content rise any restriction effect.In addition, the full content of composition represented by following example is not limited to conduct
Necessary to the solution of utility model documented by claim.
The DOC-DPF-SCR assembly apparatus that present embodiment provides, referring to Figure 1-Fig. 5;Including DOC-DPF assembly
With SCR assembly 3, and DOC-DPF assembly and SCR assembly 3 are removable connection;It, can be in DOC-DPF therefore in practical set
The connector 21 to match with the installation space of car body is added between assembly and SCR assembly 3, to adapt to different vehicle assembly.
As shown in Figure 3-Figure 5, which can be linear type, U-shaped, bending type etc..By the above content it is found that the DOC-DPF-
SCR assembly apparatus can be designed installation according to the space of vehicle, and to adapt to various types of vehicle, installation form is more
Sample.Therefore, the utility model proposes DOC-DPF-SCR assembly apparatus, can guarantee the pervasive of DOC-DPF-SCR general assembly
Property, solve the problems, such as the field at this stage.
Present embodiment provide DOC-DPF-SCR assembly apparatus, can also include:Temperature sensor 4 before DOC,
Temperature sensor 7 after temperature sensor 6, SCR before temperature sensor 5, SCR after DOC;Wherein, temperature sensor 4 and DOC before DOC
Temperature sensor 5 is respectively used to the temperature at detection 1 both ends of DOC assembly afterwards;Temperature sensor after temperature sensor 6 and SCR before SCR
7 are respectively used to the temperature at detection 3 both ends of SCR assembly.In actual installation, because the temperature sensor of assembly apparatus design is more,
Therefore the phenomenon that sequence wrong is easy to appear in actual installation, cause DPF can not regular regeneration, urea can not normal injection, shadow
Ring the normal work of DOC-DPF-SCR assembly apparatus;And various sensors are directly assembled to DOC-DPF-SCR assembly by the present apparatus
In device, the phenomenon that eliminating producer to the subsequent installation of sensor, avoiding grafting wrong order generation.
The DOC-DPF-SCR assembly apparatus that present embodiment provides further includes the pressure difference biography that DOC assembly 1 is arranged in
Sensor 20.
The DOC-DPF-SCR assembly apparatus that present embodiment provides can also include being separately positioned on DOC-DPF-
The import 8 of SCR assembly and outlet 9, preceding nitrogen oxide sensor 10 and rear nitrogen oxide sensor 11;The setting further simplifies assembly
The process of the subsequent assembly of device;Can also include be used to support before nitrogen oxide sensor 10 the first nitrogen oxide sensor fender bracket 12,
With the second nitrogen oxide sensor fender bracket 13 for being used to support rear nitrogen oxide sensor 11;The setting is designed by frame height, to avoid preceding
The harness of nitrogen oxide sensor 10 and rear nitrogen oxide sensor 11 by roastingization, make the shell of harness and assembly apparatus there are it is certain away from
From preventing harness because high temperature is by roastingization.
The DOC-DPF-SCR assembly apparatus that present embodiment provides can also include the urine that SCR assembly 3 is arranged in
Plain nozzle 14, and be used to support the urea nozzle fender bracket 15 of urea nozzle 14, prevent urea nozzle 14 in vehicle assembly or
It collides in transportational process.
The DOC-DPF-SCR assembly apparatus that present embodiment provides can also include harness integrator 16, the harness
Integrator 16 is for summarizing before DOC after temperature sensor 4, DOC before temperature sensor 5, SCR temperature after temperature sensor 6, SCR
Sensor 7, preceding nitrogen oxide sensor 10, rear nitrogen oxide sensor 11 and urea nozzle 14 harness, and integrate for assembling DOC-
The connection-peg of DPF-SCR assembly apparatus.The design has further facilitated the assembly of DOC-DPF-SCR assembly apparatus, in practical peace
When dress, this assembly apparatus realizes simplifying for plug and play and installs, and related harness is summarized for connection-peg, so as to directly by inserting
The mode connect carries out vehicle installation;The connection-peg can be the connector of 23 needles, fix convenient for the harness connection and installation of vehicle.
The DOC-DPF-SCR assembly apparatus that present embodiment provides can also include be sleeved on DPF assembly 2 the
One compact vehicle mounting bracket 17 and the second compact vehicle mounting bracket 18 for being sleeved on SCR assembly 3.The design can
The installation for further facilitating assembly apparatus can directly carry out vehicle peace by above-mentioned mounting bracket for compact vehicle
Dress, simplifies the assembling process of assembly apparatus.First compact vehicle mounting bracket 17 and the first compact vehicle mounting bracket
17 can be same design, as shown in Fig. 2, above-mentioned compact vehicle mounting bracket is annular in shape, be sleeved on DPF assembly 2 and SCR
On the outer peripheral surface of assembly 3, and the fastening with DPF assembly 2 and SCR assembly 3 is realized by bolt.
The DOC-DPF-SCR assembly apparatus that present embodiment provides, DOC-DPF assembly can pass through with SCR assembly 3
Flange 19 is connected, and can also be the types of attachment such as be spirally connected, be clamped;In actual installation, can be existed according to the needs of vehicle
The connector 21 to match with the installation space of car body is added between DOC-DPF assembly and SCR assembly 3, it is different whole to adapt to
Vehicle assembly.
It should be noted that the DOC-DPF assembly mentioned in present embodiment i.e. DOC assembly 1 and DPF assembly 2
It is integrated.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of DOC-DPF-SCR assembly apparatus, which is characterized in that including DOC-DPF assembly and SCR assembly (3), the DOC-
DPF assembly and the SCR assembly (3) are removable connection.
2. DOC-DPF-SCR assembly apparatus according to claim 1, which is characterized in that further include temperature sensor before DOC
(4) temperature sensor (5) and after DOC are respectively used to the temperature at detection DOC assembly (1) both ends.
3. DOC-DPF-SCR assembly apparatus according to claim 2, which is characterized in that further include temperature sensor before SCR
(6) temperature sensor (7) and after SCR are respectively used to the temperature at detection SCR assembly (3) both ends.
4. DOC-DPF-SCR assembly apparatus according to claim 3, which is characterized in that further include being separately positioned on DOC-
The import (8) of DPF-SCR assembly and outlet (9), preceding nitrogen oxide sensor (10) and rear nitrogen oxide sensor (11).
5. DOC-DPF-SCR assembly apparatus according to claim 4, which is characterized in that further include be used to support it is described before
First nitrogen oxide sensor fender bracket (12) of nitrogen oxide sensor (10) and be used to support it is described after nitrogen oxide sensor (11) second
Nitrogen oxide sensor fender bracket (13);Harness to avoid the preceding nitrogen oxide sensor (10) and the rear nitrogen oxide sensor (11) is roasting
Change.
6. DOC-DPF-SCR assembly apparatus according to claim 4, which is characterized in that further include that setting is total in the SCR
At the urea nozzle (14) of (3).
7. DOC-DPF-SCR assembly apparatus according to claim 6, which is characterized in that further include being used to support the urine
The urea nozzle fender bracket (15) of plain nozzle (14).
8. DOC-DPF-SCR assembly apparatus according to claim 6, which is characterized in that it further include harness integrator (16),
The harness integrator (16) is for summarizing before the DOC temperature sensor (5) after temperature sensor (4), the DOC, described
Temperature sensor (7), the preceding nitrogen oxide sensor (10), the rear nitrogen oxygen sense after temperature sensor (6), the SCR before SCR
The harness of device (11) and the urea nozzle (14), and integrate the grafting for assembling the DOC-DPF-SCR assembly apparatus
Head.
9. DOC-DPF-SCR assembly apparatus according to claim 1, which is characterized in that further include being sleeved on DPF assembly
(2) the first compact vehicle mounting bracket (17) and the second compact vehicle installation branch for being sleeved on the SCR assembly (3)
Frame (18).
10. DOC-DPF-SCR assembly apparatus according to claim 1, which is characterized in that the DOC-DPF assembly and institute
SCR assembly (3) are stated to be connected by flange (19).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820315060.6U CN208153103U (en) | 2018-03-07 | 2018-03-07 | A kind of DOC-DPF-SCR assembly apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820315060.6U CN208153103U (en) | 2018-03-07 | 2018-03-07 | A kind of DOC-DPF-SCR assembly apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208153103U true CN208153103U (en) | 2018-11-27 |
Family
ID=64391197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820315060.6U Active CN208153103U (en) | 2018-03-07 | 2018-03-07 | A kind of DOC-DPF-SCR assembly apparatus |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208153103U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108223065A (en) * | 2018-03-07 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of DOC-DPF-SCR assembly apparatus |
-
2018
- 2018-03-07 CN CN201820315060.6U patent/CN208153103U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108223065A (en) * | 2018-03-07 | 2018-06-29 | 潍柴动力股份有限公司 | A kind of DOC-DPF-SCR assembly apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102733911B (en) | Exhaust-gas treatment system for internal combustion engine | |
US9476341B2 (en) | Exhaust treatment system that generates debounce duration for NOx sensor offset | |
EP1273779A3 (en) | Regeneration of diesel particulate filter for diesel engine | |
US20130318951A1 (en) | Sensor connection integration device | |
US20090293452A1 (en) | After-treatment system | |
WO2003054364A3 (en) | Method and apparatus for filtering partriculate matter and selective catalytic reduction of nox | |
CN102191975A (en) | Gas/liquid mixing device for diesel exhaust aftertreatment | |
US20120067026A1 (en) | Exhaust Gas Treatment System for an Internal Combustion Engine | |
US8601797B2 (en) | Exhaust device for diesel vehicle | |
CN110578591B (en) | Assembly integrated harness device for engine aftertreatment | |
US20130283767A1 (en) | Oxidation catalyst monitoring | |
JP2005140111A (en) | Pressure monitor for diesel particulate filter | |
CN208153103U (en) | A kind of DOC-DPF-SCR assembly apparatus | |
CN106555640A (en) | Guide's heater of purifying internal combustion engine tail gas after-treatment system and method | |
US8864875B2 (en) | Regeneration of a particulate filter based on a particulate matter oxidation rate | |
JP5883750B2 (en) | Diesel engine exhaust treatment equipment | |
CN102235209B (en) | Electrically heated filter regeneration methods and systems | |
CN111188673A (en) | Urea injection system and control method | |
CN101063419B (en) | Exhaust gas discharging control system | |
CN108223065A (en) | A kind of DOC-DPF-SCR assembly apparatus | |
CN210829446U (en) | Integrated wiring harness device for engine aftertreatment assembly | |
CN109322728A (en) | Post-process heating system and post-processing heating means | |
CN210460821U (en) | Structure of catalytic muffler | |
CN205370695U (en) | Diesel engine tail -gas clean -up ware of convertible soot particulate filter runner | |
US20120272638A1 (en) | Regeneration methods and systems for particulate filters |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |