CN205154382U - Diesel engine controlling means that admits air - Google Patents
Diesel engine controlling means that admits air Download PDFInfo
- Publication number
- CN205154382U CN205154382U CN201521005838.6U CN201521005838U CN205154382U CN 205154382 U CN205154382 U CN 205154382U CN 201521005838 U CN201521005838 U CN 201521005838U CN 205154382 U CN205154382 U CN 205154382U
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- China
- Prior art keywords
- air
- valve
- intercooler
- turbosupercharger
- intake manifold
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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 provides a diesel engine controlling means that admits air, including turbo charger and intercooler, the preceding exhaust air flue of engine and final vacuum air flue pass through exhaust manifold to be connected with turbo charger's waste gas air inlet, and turbo charger is the waste gas bypass valve booster, carries out the adjustment of active control, realization booster efficiency to waste gas bypass valve through the pulse valve, turbo charger's air outlet is connected with the air inlet of intercooler, and the gas outlet of intercooler is connected with the air intake manifold of engine, and the front -seat flow channel and the final vacuum runner of engine are connected with engine air intake manifold through a EGR module and EGR pipeline, be provided with the choke valve that admits air on the air inlet pipeline of well cold back, realize the accurate of inlet flow and adjust. The beneficial effects of the utility model are that: the utility model discloses control is simple, and is with low costs, can satisfy the requirement of maximum discharge rules moreover.
Description
Technical field
The utility model relates to technical field of engines, particularly relates to a kind of diesel engine air inlet control device.
Background technique
The gas handling system of motor especially heavy duty diesel engine, what usually adopt passive type exhaust vent valve turbosupercharger to coordinate intercooler to realize the motor of charge inter cooling enters mode gas.But the air inlet system of existing charge inter cooling system is difficult to meet the requirement of maximum discharge regulation to air inlet.For meeting higher Abgasgesetz, need under normal circumstances to upgrade to gas handling system, common passive type bleed valve turbosupercharger is upgraded to variable area turbosupercharger or two-stage supercharging system, but these two kinds of system control strategies are more complicated, and cost is higher, therefore how to provide a kind of control simple, cost is low, and the engine charge control gear of the requirement that can meet maximum discharge regulation becomes problem demanding prompt solution.
Model utility content
The purpose of this utility model be to provide a kind of control simple, cost is low, and can meet the diesel engine air inlet control device of requirement of maximum discharge regulation.
The utility model is realized by following measure: a kind of diesel engine air inlet control device, wherein, comprise turbosupercharger and intercooler, the front exhaust air flue of motor is connected by the waste gas inlet of gas exhaust manifold with described turbosupercharger with final vacuum air flue, the air outlet of described turbosupercharger is connected with the suction port of described intercooler, the air outlet of described intercooler is connected with the intake manifold of described motor, and the front exhaust air flue of described motor is connected with described engine intake manifold through an EGR module and EGR pipe road with final vacuum air flue;
Described EGR module comprises EGR valve, cooler for recycled exhaust gas and one-way valve; Described EGR valve is connected by the front exhaust air flue of pipeline and described motor and final vacuum air flue, and described one-way valve is connected with described engine intake manifold.Described EGR module realizes the quantitative introducing of waste gas, introduces the cooling of waste gas, the loop of cold rear air in can preventing.
Between described turbosupercharger and described intercooler (namely on cold front pipeline) be provided with in cold front temperature transducer.
Cold rear temperature transducer during the intake manifold of described motor is provided with.
Be disposed with between described intercooler and described intake manifold charge flow rate measuring device, intake-air throttle valve, in cold rear pressure transducer and gas heater.
Described turbosupercharger is exhaust gas by-pass valve pressurized machine, and the exhaust gas by-pass valve of described turbosupercharger is connected with a sentinel valve, the high pressure air suction port of described sentinel valve be arranged on described between cold rear pressure transducer and described gas heater.Described turbosupercharger is exhaust gas by-pass valve pressurized machine, and the exhaust gas by-pass valve of described exhaust gas by-pass valve pressurized machine realizes ACTIVE CONTROL by sentinel valve, and cold rear gas pressure during the implementation capacity realizing ACTIVE CONTROL comes from, realizes the adjustment of exhaust gas by-pass valve by ECU.
Cold front temperature transducer in described, described in cold rear pressure transducer, described in cold rear temperature transducer, described gas heater, described charge flow rate measuring device, described intake-air throttle valve be all connected with control unit of engine (ECU) with described sentinel valve, realized controlling and regulating by ECU.
Wherein, the utility model control gear specific implementation is as follows: the charge inter cooling system of upgrading, and air inlet, through exhaust-gas turbocharger pressure shell, drives exhaust-gas turbocharger to realize the supercharging of air inlet by exhaust ventilation; Active controllable type sentinel valve by cold rear pressure realize the adjustment of pressurized machine exhaust gas by-pass valve, thus realize the adjustment of efficiency of turbocharger.The egr system be made up of EGR module and connecting pipeline, described egr system in being incorporated into quantitatively by portion discharge in cold rear air inlet, and realizes the cooling of this portion, thus realizes portion and be incorporated in air inlet and participate in burning.In on cold rear air inlet pipeline, be furnished with intake-air throttle valve before EGR mixing, realize the adjustment of charge flow rate size.
The beneficial effects of the utility model are: the utility model controls simple, and cost is low, and can meet the requirement of maximum discharge regulation.Wherein, the exhaust gas by-pass valve of the utility model turbosupercharger, by sentinel valve active adjustment, effectively can regulate the efficiency of exhaust-gas turbocharger, and cold rear pressure in regulating implementation capacity to take from, can be effectively cost-saving; Charge flow rate measuring device is measured in real time to air after charge inter cooling, is conducive to motor control combustion more accurately; Intake-air throttle valve necessarily can regulate charge flow rate after supercharging, coordinates egr system, can realize wider EGR rate; Air inlet electric heating can realize the quick startup of diesel engine; Be provided with cold front temperature transducer, in cold rear pressure transducer and in the sensor such as cold rear temperature transducer, corresponding temperature and pressure can be monitored in real time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Wherein, reference character is: 1, turbosupercharger; 1.1, spiral case; 1.11, exhaust gas by-pass valve, 1.2 pressure shells; 2, EGR module; 3, intercooler; 4, charge flow rate measuring device; 5, intake-air throttle valve; 6, gas heater; 7, sentinel valve; 8, intake manifold; 9, final vacuum air flue; 10, front exhaust air flue; 11, motor; S1, in cold front temperature transducer; S2, in cold rear pressure transducer; Cold rear temperature transducer in S3.
Embodiment
For the technical characterstic of this programme can be clearly demonstrated, below by embodiment, this programme is set forth.
See Fig. 1, the utility model is a kind of diesel engine air inlet control device, wherein, comprise turbosupercharger 1 and intercooler 3, the front exhaust air flue 10 of motor 11 is connected by the waste gas inlet of gas exhaust manifold with turbosupercharger 1 with final vacuum air flue 9, the air outlet of turbosupercharger 1 is connected with the suction port of intercooler 3, the air outlet of intercooler 3 is connected with the intake manifold 8 of motor 11, and the front exhaust air flue 10 of motor 11 is connected with motor 11 intake manifold 8 through an EGR module 2 and EGR pipe road with final vacuum air flue 9; Wherein, EGR module 2 comprises EGR valve, cooler for recycled exhaust gas and one-way valve; EGR valve is connected by the front exhaust air flue 10 of pipeline and motor 11 and final vacuum air flue 9, and one-way valve is connected with motor 11 intake manifold 8.EGR module 2 realizes the quantitative introducing of waste gas, introduces the cooling of waste gas, the loop of cold rear air in can preventing.Wherein, front exhaust air flue 10 is the exhaust of first three cylinder of motor, and final vacuum air flue 9 is three cylinder exhausts after motor.
Cold front temperature transducer S1 in being provided with between turbosupercharger 1 and intercooler 3; Cold rear temperature transducer S3 during the intake manifold 8 of motor 11 is provided with; Be disposed with between intercooler 3 and intake manifold 8 charge flow rate measuring device 4, intake-air throttle valve 5, in cold rear pressure transducer S2 and gas heater 6.Wherein, charge flow rate measuring device 4 is prior art, does not repeat them here.
Turbosupercharger 1 is exhaust gas by-pass valve pressurized machine, and the exhaust gas by-pass valve 1.11 of turbosupercharger 1 is connected with a sentinel valve 7, during the high pressure air suction port of sentinel valve 7 is arranged between cold rear pressure transducer S2 and gas heater 6.
Fresh air is inhaled in the pressure shell 1.2 of turbosupercharger 1, and turbosupercharger 1 is driven by exhaust ventilation, controls by sentinel valve 7 adjustment that exhaust gas by-pass valve 1.11 can realize exhaust gas utilization rate; Air after turbosupercharger 1 supercharging through in cold front air inlet pipeline enter intercooler, to realize the cooling of pressurized air; In cold front suction tude is provided with in cold front temperature transducer S1; In cold rear pressurized air enter charge flow rate measuring device 4, realize the real-time measurement of charge flow rate; With after through intake-air throttle valve 5, gas coming through electricity adds device 6, after air inlet electric heating again with cooling after waste gas mix, mixing after gas through intake manifold 8 enter each cylinder participate in burn.Cold rear sensor for measuring temperature S3 in the mixed intake manifold of cold rear pressure transducer S2, EGR 8 being provided with in being wherein provided with after intake-air throttle valve 5.Wherein, cold front temperature transducer S1 in, in cold rear pressure transducer S2, in cold rear temperature transducer S3, gas heater 6, charge flow rate measuring device 4, intake-air throttle valve 5 be all connected with control unit of engine (ECU) with sentinel valve 7.
The utility model can pass through without the technical characteristics described or adopt existing techniques in realizing; do not repeat them here; certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing; the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (5)
1. a diesel engine air inlet control device, it is characterized in that, comprise turbosupercharger and intercooler, the front exhaust air flue of motor is connected by the waste gas inlet of gas exhaust manifold with described turbosupercharger with final vacuum air flue, the air outlet of described turbosupercharger is connected with the suction port of described intercooler, the air outlet of described intercooler is connected with the intake manifold of described motor, and the front exhaust air flue of described motor is connected with described engine intake manifold through an EGR module and EGR pipe road with final vacuum air flue;
Described EGR module comprises EGR valve, cooler for recycled exhaust gas and one-way valve; Described EGR valve is connected by the front exhaust air flue of pipeline and described motor and final vacuum air flue, and described one-way valve is connected with described engine intake manifold.
2. diesel engine air inlet control device according to claim 1, is characterized in that, cold front temperature transducer in being provided with between described turbosupercharger and described intercooler.
3. diesel engine air inlet control device according to claim 1, is characterized in that, cold rear temperature transducer during the intake manifold of described motor is provided with.
4. the diesel engine air inlet control device according to any one of claim 1-3, it is characterized in that, be disposed with between described intercooler and described intake manifold charge flow rate measuring device, intake-air throttle valve, in cold rear pressure transducer and gas heater.
5. diesel engine air inlet control device according to claim 4, it is characterized in that, described turbosupercharger is exhaust gas by-pass valve pressurized machine, the exhaust gas by-pass valve of described turbosupercharger is connected with a sentinel valve, the high pressure air suction port of described sentinel valve be arranged on described between cold rear pressure transducer and described gas heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521005838.6U CN205154382U (en) | 2015-12-08 | 2015-12-08 | Diesel engine controlling means that admits air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521005838.6U CN205154382U (en) | 2015-12-08 | 2015-12-08 | Diesel engine controlling means that admits air |
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| Publication Number | Publication Date |
|---|---|
| CN205154382U true CN205154382U (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521005838.6U Active CN205154382U (en) | 2015-12-08 | 2015-12-08 | Diesel engine controlling means that admits air |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332062A (en) * | 2019-06-28 | 2019-10-15 | 潍柴动力股份有限公司 | Fault handling method, device, electronic equipment and the storage medium that grid freezes |
| CN111927658A (en) * | 2020-08-06 | 2020-11-13 | 一汽解放汽车有限公司 | Engine air intake control system and control method |
| CN112627967A (en) * | 2021-01-08 | 2021-04-09 | 山东汽车制造有限公司 | Intercooler and thermal management method |
| CN114135392A (en) * | 2021-12-02 | 2022-03-04 | 中国重汽集团济南动力有限公司 | Engine thermal management system and method |
| CN114294099A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Engine intake flow and temperature compensation management system |
-
2015
- 2015-12-08 CN CN201521005838.6U patent/CN205154382U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332062A (en) * | 2019-06-28 | 2019-10-15 | 潍柴动力股份有限公司 | Fault handling method, device, electronic equipment and the storage medium that grid freezes |
| CN111927658A (en) * | 2020-08-06 | 2020-11-13 | 一汽解放汽车有限公司 | Engine air intake control system and control method |
| CN112627967A (en) * | 2021-01-08 | 2021-04-09 | 山东汽车制造有限公司 | Intercooler and thermal management method |
| CN114294099A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Engine intake flow and temperature compensation management system |
| CN114294099B (en) * | 2021-11-19 | 2023-05-12 | 东风商用车有限公司 | Engine air inlet flow and temperature compensation management system |
| CN114135392A (en) * | 2021-12-02 | 2022-03-04 | 中国重汽集团济南动力有限公司 | Engine thermal management system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |