CN208153103U - A kind of DOC-DPF-SCR assembly apparatus - Google Patents

A kind of DOC-DPF-SCR assembly apparatus Download PDF

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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
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China
Prior art keywords
doc
dpf
scr
assembly
assembly apparatus
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CN201820315060.6U
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Chinese (zh)
Inventor
李俊普
李昭阳
卞增涛
王奉双
王意宝
张素英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weichai Power Co Ltd
Weichai Power Emission Solutions Technology Co Ltd
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Weichai Power Co Ltd
Weichai Power Emission Solutions Technology Co Ltd
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Priority to CN201820315060.6U priority Critical patent/CN208153103U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/40Engine management systems

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  • 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

A kind of DOC-DPF-SCR assembly apparatus
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).
CN201820315060.6U 2018-03-07 2018-03-07 A kind of DOC-DPF-SCR assembly apparatus Active CN208153103U (en)

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

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CN208153103U true CN208153103U (en) 2018-11-27

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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