CN208010504U - Reduce the quick warming-up apparatus of gasoline engine cold start emission - Google Patents
Reduce the quick warming-up apparatus of gasoline engine cold start emission Download PDFInfo
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- CN208010504U CN208010504U CN201820043595.2U CN201820043595U CN208010504U CN 208010504 U CN208010504 U CN 208010504U CN 201820043595 U CN201820043595 U CN 201820043595U CN 208010504 U CN208010504 U CN 208010504U
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- China
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- exhaust
- oil sump
- solenoid valve
- catalyzing unit
- ternary catalyzing
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The utility model discloses a kind of quick warming-up apparatus reducing gasoline engine cold start emission comprising vacuum air storage tank, engine, oil sump, exhaust system, ternary catalyzing unit, exhaust gas solenoid valve and gas storage solenoid valve；The outlet of the vacuum air storage tank is connected to the exhaust system of transmitter by gas storage solenoid valve, and the exhaust system of the engine is connected to ternary catalyzing unit, and the ternary catalyzing unit is connected to exhaust pipe；Opening is offered on the side wall of the exhaust pipe, the exhaust pipe is connected to the heating pipeline of oil sump by the opening and exhaust gas solenoid valve, and the heating pipeline of the oil sump is connected to the air inlet of the vacuum air storage tank.The utility model heats machine oil by the way that the exhaust gas of high temperature maximum discharge is introduced oil sump, temperature is then stored into after reducing in air accumulator, it stores exhaust gas and quickly heats ternary catalyzing unit simultaneously, and be then exhausted from body after TWC reaches initiation temperature, while rapid warming-up is realized by heating oil sump machine oil.
Description
Technical field
The utility model is related to a kind of quick warming-up apparatus reducing gasoline engine cold start emission.
Background technology
As emission regulation is increasingly strict, gasoline exhaust problem becomes the most important thing.For reducing gasoline engine cold start-up
Discharge, at present the direction of patented technology it is main there are two, when physics or chemistry by way of, quickly heat ternary urge
Change, makes up to the higher operating temperature of catalytic efficiency；Second is that by THC adsorbates, THC is adsorbed in cold-start phase, is waited until
When engine work is higher to row's temperature, a large amount of THC of absorption are discharged.
For gasoline engine cold start-up rapid warming-up, current patented technology be concentrated mainly on improve engine cool cycle and
Injection strategy, it is mainly the heat pipe for being equipped between exhaust manifold and hydroecium and being transmitted for heat to improve engine-cooling system,
Using the conductibility of heat pipe, the heat that exhaust is taken away can be quickly transmitted in coolant liquid partial circulating, realize rapid warming-up；Improve
Injection strategy is mainly according to environment temperature, the height above sea level factor amount such as pressure, and ECU corrects fuel injection parameter, realizes rational oil spout plan
Slightly reach rapid warming-up effect.
Utility model content
The utility model aim is to provide a kind of quick warming-up apparatus reducing gasoline engine cold start emission, by will be high
The exhaust gas of warm maximum discharge introduces oil sump and heats machine oil, and temperature is then stored into after reducing in air accumulator, and storage exhaust gas is quick simultaneously
Ternary catalyzing unit is heated, and is then exhausted from body after TWC reaches initiation temperature, while being realized soon by heating oil sump machine oil
Fast warming-up.
The utility model solves technical problem and adopts the following technical scheme that：It is a kind of to reduce the quick of gasoline engine cold start emission
Warming apparatus comprising vacuum air storage tank, engine, oil sump, exhaust system, ternary catalyzing unit, exhaust gas solenoid valve and gas storage
Solenoid valve；
The outlet of the vacuum air storage tank is connected to the exhaust system of transmitter by gas storage solenoid valve, the engine
Exhaust system is connected to ternary catalyzing unit, and the ternary catalyzing unit is connected to exhaust pipe；
Opening is offered on the side wall of the exhaust pipe, the exhaust pipe is connected to by the opening and exhaust gas solenoid valve
The heating pipeline of oil sump, the heating pipeline of the oil sump are connected to the air inlet of the vacuum air storage tank.
Optionally, the heating pipeline is set on the oil sump, right when passing through hot gas in the heating pipeline
Oil sump is heated.
The utility model has the advantages that：The rapid warming-up of the reduction gasoline engine cold start emission of the utility model
Device heats machine oil by the way that the exhaust gas of high temperature maximum discharge is introduced oil sump, and temperature is then stored into after reducing in air accumulator, is stored
Exhaust gas quickly heats ternary catalyzing unit simultaneously, and body is then exhausted from after TWC reaches initiation temperature, while passing through and heating oily bottom
Shell machine oil realizes rapid warming-up.
Description of the drawings
Fig. 1 is the structural schematic diagram of the quick warming-up apparatus of the reduction gasoline engine cold start emission of the utility model；
The mark in the figure shows：1- vacuum air storage tanks；2- engines；3- oil sumps；4- exhaust systems；5- three-element catalytics
Device；6- exhaust gas solenoid valves；7- gas storage solenoid valves；8- exhaust pipes.
Specific implementation mode
The technical solution of the utility model is further elaborated with reference to embodiment and attached drawing.
Embodiment 1
Present embodiments provide a kind of a kind of quick warming-up apparatus reducing gasoline engine cold start emission of offer comprising true
Empty air accumulator 1, engine 2, oil sump 3, exhaust system 4, ternary catalyzing unit 5, exhaust gas solenoid valve 6 and gas storage solenoid valve 7.
The outlet of the vacuum air storage tank 1 is connected to the exhaust system 4 of transmitter 2 by gas storage solenoid valve 7, described to start
The exhaust system of machine 2 is connected to ternary catalyzing unit 5, and the ternary catalyzing unit 5 is connected to exhaust pipe 8.
Opening is offered on the side wall of the exhaust pipe, the exhaust pipe is connected by the opening and exhaust gas solenoid valve 6
In the heating pipeline of oil sump, the heating pipeline of the oil sump is connected to the air inlet of the vacuum air storage tank 1.
Also, the heating pipeline is set on the oil sump, when wherein passing through hot gas, for oil sump into
Row heating.
The quick warming-up apparatus of the reduction gasoline engine cold start emission of the utility model, by by the exhaust gas of high temperature maximum discharge
It introducing oil sump and heats machine oil, temperature is then stored into after reducing in air accumulator, storage exhaust gas while quickly heating ternary catalyzing unit,
And body is then exhausted from after TWC reaches initiation temperature, while realizing rapid warming-up by heating oil sump machine oil.
That is, the quick warming-up apparatus of the reduction gasoline engine cold start emission of the utility model, which can be taken into account, reduces cold start-up row
It puts and rapid warming-up, and the friction loss that relatively low oil temperature generates can also be reduced and increased, reduce oil consumption, be to achieve many things at one stroke.
The quick warming-up apparatus of the reduction gasoline engine cold start emission of the utility model when in use, is opened engine 2 is cold
In the dynamic stage, work as T<When Tq (initiation temperature), exhaust gas solenoid valve 6 is opened, and high-temp waste gas is pumped into vacuum air storage tank by vacuum air storage tank 1
1, oil sump 3 is passed by machine oil heating, is stored a large amount of THC and is quickly heated ternary catalyzing unit 5 simultaneously, and reaches fast using exhaust gas
Fast warming-up；Work as T>When Tq (initiation temperature), exhaust gas solenoid valve 6 is closed, and gas storage solenoid valve 7 is opened, and exhaust gas is flowed from vacuum air storage tank 1
Air inlet system and exhaust system 4 convert exhaust gas by three-element catalytic 5, this stage ternary catalyzing unit temperature reach catalytic efficiency compared with
High temperature, considerably increases catalytic efficiency.After heat engine, vacuum air storage tank 1 is vacuumized using braking energy.
The sequencing of above example is only for ease of description, can not represent the quality of embodiment.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (2)
1. a kind of quick warming-up apparatus reducing gasoline engine cold start emission, which is characterized in that including vacuum air storage tank, start
Machine, oil sump, exhaust system, ternary catalyzing unit, exhaust gas solenoid valve and gas storage solenoid valve；
The outlet of the vacuum air storage tank is connected to the exhaust system of transmitter, the exhaust of the engine by gas storage solenoid valve
System is connected to ternary catalyzing unit, and the ternary catalyzing unit is connected to exhaust pipe；
Opening is offered on the side wall of the exhaust pipe, the exhaust pipe is connected to oily bottom by the opening and exhaust gas solenoid valve
The heating pipeline of shell, the heating pipeline of the oil sump are connected to the air inlet of the vacuum air storage tank.
2. the quick warming-up apparatus according to claim 1 for reducing gasoline engine cold start emission, which is characterized in that described to add
Pipe line is set on the oil sump, when passing through hot gas in the heating pipeline, is heated to oil sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043595.2U CN208010504U (en) | 2018-01-11 | 2018-01-11 | Reduce the quick warming-up apparatus of gasoline engine cold start emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043595.2U CN208010504U (en) | 2018-01-11 | 2018-01-11 | Reduce the quick warming-up apparatus of gasoline engine cold start emission |
Publications (1)
| Publication Number | Publication Date |
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| CN208010504U true CN208010504U (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820043595.2U Active CN208010504U (en) | 2018-01-11 | 2018-01-11 | Reduce the quick warming-up apparatus of gasoline engine cold start emission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922702A (en) * | 2021-02-05 | 2021-06-08 | 浙江吉利控股集团有限公司 | Exhaust system of vehicle |
-
2018
- 2018-01-11 CN CN201820043595.2U patent/CN208010504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112922702A (en) * | 2021-02-05 | 2021-06-08 | 浙江吉利控股集团有限公司 | Exhaust system of vehicle |
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