CN109372662A - A kind of exhaust gas bypass auxiliary pressurization system - Google Patents
A kind of exhaust gas bypass auxiliary pressurization system Download PDFInfo
- Publication number
- CN109372662A CN109372662A CN201811332381.8A CN201811332381A CN109372662A CN 109372662 A CN109372662 A CN 109372662A CN 201811332381 A CN201811332381 A CN 201811332381A CN 109372662 A CN109372662 A CN 109372662A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- engine
- passing valve
- accumulator
- pressure accumulation
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10157—Supercharged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10026—Plenum chambers
- F02M35/10052—Plenum chambers special shapes or arrangements of plenum chambers; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
Abstract
A kind of exhaust gas bypass auxiliary pressurization system, accumulator (12) air inlet therein is connect by pressure accumulation pipeline (9) with air inlet tube of cooler (3), accumulator (12) gas outlet is connected by additional mechanical supercharging air inlet pipeline (14) with engine charge connecting tube (5), pressure accumulation by-passing valve (10) and check valve I (11) are provided on pressure accumulation pipeline (9), pressurization by-passing valve (15) and check valve II (16) are provided on additional mechanical supercharging air inlet pipeline (14), air inlet pressure sensor (17) are provided on engine air inlet tube (6), pressure accumulation by-passing valve (10), pressurization by-passing valve (15) and air inlet pressure sensor (17) are electrically connected with Engine ECU (13) respectively.Extra compressed air is collected by accumulator (12), is reduced energy dissipation, is effectively improved capacity usage ratio.
Description
Technical field
The present invention relates to a kind of pressure charging system, more specifically to a kind of exhaust gas bypass auxiliary pressurization system belongs to vapour
Vehicle additional mechanical supercharging technology technical field.
Background technique
In the prior art, engine generallys use exhaust turbine pressuring technology, drives turbine using engine exhaust energy
Booster is improved charge density, increases air inflow, hoisting power is improved fuel oil by turbocharger compresses air inlet cylinder
Economy, emission performance.But since exhaust-driven turbo-charger exhaust-gas turbo charger own operating characteristics influence, there are problems that following turbo lag:
1, when low speed, since engine exhaust energy is low, turbo charger speed is low, and degree of boost is low, in addition the variation of exhaust energy
Certain time is needed to admission pressure foundation, therefore causes engine power insufficient；2, accelerate when, exhaust energy change into
Atmospheric pressure foundation needs certain time, and booster response characteristic is poor.And turbo lag problem will affect engine power performance, economy
Property, acceleration, emission performance etc., although having developed various turbocharging technologies at present, as pressure booster with variable cross section, two-stage increase
The technologies such as pressure, combined supercharging, asymmetric double runner booster, can improve turbo lag problem, but still can not thoroughly solve whirlpool
Take turns braking problems.
Chinese utility model patent " automobile engine waste gas turbine pressure boost auxiliary device " (license notification number
CN201535195U, authorized announcement date are on 07 28th, 2010) disclose a kind of automobile engine waste gas turbine pressure boost auxiliary
Device, including turbocharger, one end connect exhaust pipe, and the other end connects inlet manifold；Its main feature is that: it is set on inlet manifold
There is branch pipe, be connected with caisson thereon, valving is installed on the output end of caisson, is installed on the inlet manifold
There are pressure sensor, temperature sensor；The control terminal connection electronic control of valving, pressure sensor and temperature sensor is single
Member passes through the control of electronic control unit.The utility model patent in right amount carries out engine charge by gas receiver necessary
Additional mechanical supercharging makes engine operating condition meet the needs of automobile sudden load rapidly, can improve turbo lag problem, and improvement is started
Machine acceleration responsiveness.But realized by the compressed air of gas receiver to engine additional mechanical supercharging, and gas receiver compressed air is come
From inflating, supplying in air compressor machine, air compressor machine power consumption is consumed, extra power consumption is caused to lose, reduces engine output, energy benefit
It is low with rate；Meanwhile realizing that gas receiver compressed air is for braking system to engine additional mechanical supercharging by the compressed air of gas receiver
System gas, influences whether use for brake system gas.
Summary of the invention
It is an object of the invention to for additional consumption of engine energy existing for existing engine auxiliary pressurization system
The problems such as, a kind of exhaust gas bypass auxiliary pressurization system is provided.
To achieve the above object, the technical solution of the invention is as follows: a kind of exhaust gas bypass auxiliary pressurization system, including sky
Air cleaner, booster, intercooler, engine charge connecting tube, engine air inlet tube, engine body, engine exhaust discrimination
The compressor outlet of pipe, Engine ECU, the booster is connect by air inlet tube of cooler with intercooler inlet, described
Intercooler outlet is connect by engine charge connecting tube with engine air inlet tube, further includes having accumulator, the accumulator
Air inlet connect by pressure accumulation pipeline with air inlet tube of cooler, the accumulator gas outlet pass through additional mechanical supercharging air inlet pipeline and
Engine charge connecting tube is connected, and the pressure accumulating tube road is provided with pressure accumulation by-passing valve and check valve I, and the auxiliary increases
It is pressed on air pipe and is provided with pressurization by-passing valve and check valve II, admission pressure sensing is provided on the engine air inlet tube
Device, the pressure accumulation by-passing valve, pressurization by-passing valve and air inlet pressure sensor are electrically connected with Engine ECU respectively.
The pressure accumulation by-passing valve and pressurization by-passing valve is automatically controlled butterfly valve.
The air inlet pressure sensor is semiconductor piezo-resistive pressure sensor.
Compared with prior art, the beneficial effects of the present invention are:
1, it is provided with accumulator in the present invention, when reaching admission pressure, pressurized air enters accumulator through pressure accumulation by-passing valve, leads to
It crosses accumulator and collects extra compressed air, reduce energy dissipation, effectively improve capacity usage ratio.
2, the present invention by exhaust gas bypass, accumulator recycling, using extra pressurised exhaust gas energy, do not influence engine,
In the case where the just common gas of braking system, through additional mechanical supercharging air inlet pipeline supply engine, realize additional mechanical supercharging air inlet, improve into
Tolerance solves the problems, such as turbo lag, improves low engine speed, acceleration responsiveness；Meanwhile boost pressure when promoting low speed, idling,
Booster is easy Leakage when improving idling, low speed.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: air cleaner 1, booster 2, air inlet tube of cooler 3, intercooler 4, engine charge connecting tube 5 are started
Machine air inlet pipe 6, engine body 7, enmgine exhaust 8, pressure accumulation pipeline 9, pressure accumulation by-passing valve 10, check valve I 11, accumulator
12, Engine ECU 13, additional mechanical supercharging air inlet pipeline 14 is pressurized by-passing valve 15, check valve II 16, air inlet pressure sensor 17.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1, a kind of exhaust gas bypass auxiliary pressurization system is a kind of exhaust gas bypass, recycles the extra energy of pressurization
The auxiliary pressurization system that amount realizes the air inlet of engine additional mechanical supercharging, improves capacity usage ratio；Including air cleaner 1, booster
2, intercooler 4, engine charge connecting tube 5, engine air inlet tube 6, engine body 7, enmgine exhaust 8, engine
ECU13 and accumulator 12.
Referring to Fig. 1, the compressor inlet of the booster 2 is connect by air inlet pipeline with air cleaner 1, the increasing
The compressor outlet of depressor 2 is connect by air inlet tube of cooler 3 with 4 import of intercooler, and the outlet of intercooler 4 passes through hair
Motivation inlet pipe connection 5 is connect with engine air inlet tube 6.12 air inlet of accumulator passes through pressure accumulation pipeline 9 and intercooler
Air inlet pipe 3 is connected, and 12 gas outlet of accumulator is connected by additional mechanical supercharging air inlet pipeline 14 with engine charge connecting tube 5
It connects.
Referring to Fig. 1, pressure accumulation by-passing valve 10 and check valve I 11, the additional mechanical supercharging are provided on the pressure accumulation pipeline 9
It is provided with pressurization by-passing valve 15 and check valve II 16 on air inlet pipeline 14, is provided with air inlet pressure on the engine air inlet tube 6
Force snesor 17；The pressure accumulation by-passing valve 10, pressurization by-passing valve 15 and air inlet pressure sensor 17 respectively with Engine ECU 13
Electrical connection.
Referring to Fig. 1, specifically, the pressure accumulation by-passing valve 10 and pressurization by-passing valve 15 are automatically controlled butterfly valve.
Referring to Fig. 1, specifically, the air inlet pressure sensor 17 is semiconductor piezo-resistive pressure sensor.Into
Air pressure force snesor 17 detects the variation of pressure, is then converted into signal voltage and send to Engine ECU 13.
Referring to Fig. 1, when work, for booster 2 through 1 air inlet of air cleaner, air is cold in after the pressurization of booster 2
It is cooling that device air inlet pipe 3 enters intercooler 4；Air enters through engine charge connecting tube 5 and engine air inlet tube 6 and starts after cooling
Machine ontology 7 participates in burning, and exhaust gas is discharged through the turbine of enmgine exhaust 8 and booster 2.When admission pressure reaches setting
When value, electric signal is fed back to Engine ECU 13 by air inlet pressure sensor 17, and Engine ECU 13 issues electric signal and controls pressure accumulation
Pressure accumulation by-passing valve 10 opens pressure accumulation pipeline 9 on pipeline 9, starts to supply to accumulator 12, extra bypass gases is made to be stored into pressure accumulation
In device 12；Check valve I 11 in pressure accumulation pipeline 9, guarantee pressure accumulation when compressed-air-storing to accumulator 12 in, will not be from pressure accumulation
Device 12 blows back into air inlet tube of cooler 3, realizes and recycles extra pressurization energy.When 6 air pressure of engine air inlet tube is not up to
When pressure is set, pressure accumulation by-passing valve 10 is closed, opens pressurization by-passing valve 15, air is through additional mechanical supercharging air inlet pipeline in accumulator 12
14 enter engine charge connecting tube 5, enter engine body 7 through engine air inlet tube 6 and participate in burning；Additional mechanical supercharging air inlet pipe
Check valve II 16 in road 14 guarantees that the pressurized air of accumulator 12 can only enter engine charge connecting tube 5, engine charge
Pressurized air in connecting tube 5 will not be flow backwards into accumulator 12.It realizes the air inlet of engine additional mechanical supercharging, it is low to improve engine
Speed, acceleration responsiveness；Additional mechanical supercharging air inlet is realized to recycle extra pressurization energy, improves capacity usage ratio.
Referring to Fig. 1, the present invention collects pressurized air by accumulator 12, reduces energy dissipation；Utilize the storage of accumulator 12
Air is pressed, by additional mechanical supercharging air inlet pipeline 14, in the case where not influencing the just common gas of engine, braking system, is effectively promoted
Air input of engine by air improves low engine speed, acceleration responsiveness, and improves capacity usage ratio；Meanwhile promoting low speed, idling
When boost pressure, improve idling, low speed when booster be easy Leakage.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, and above structure all shall be regarded as belonging to
Protection scope of the present invention.
Claims (3)
1. a kind of exhaust gas bypass auxiliary pressurization system, including air cleaner (1), booster (2), intercooler (4), engine into
Gas connecting tube (5), engine air inlet tube (6), engine body (7), enmgine exhaust (8), Engine ECU (13), institute
The compressor outlet for stating booster (2) is connect by air inlet tube of cooler (3) with intercooler (4) import, the intercooler
(4) outlet is connect by engine charge connecting tube (5) with engine air inlet tube (6), it is characterised in that: further includes having accumulator
(12), the accumulator (12) air inlet is connect by pressure accumulation pipeline (9) with air inlet tube of cooler (3), the accumulator
(12) gas outlet is connected by additional mechanical supercharging air inlet pipeline (14) with engine charge connecting tube (5), the pressure accumulation pipeline
(9) it is provided with pressure accumulation by-passing valve (10) and check valve I (11) on, is provided with pressurization on the additional mechanical supercharging air inlet pipeline (14)
By-passing valve (15) and check valve II (16) are provided with air inlet pressure sensor (17) on the engine air inlet tube (6), described
Pressure accumulation by-passing valve (10), pressurization by-passing valve (15) and air inlet pressure sensor (17) be electrically connected respectively with Engine ECU (13).
2. a kind of exhaust gas bypass auxiliary pressurization system according to claim 1, it is characterised in that: the pressure accumulation by-passing valve
(10) and pressurization by-passing valve (15) is automatically controlled butterfly valve.
3. a kind of exhaust gas bypass auxiliary pressurization system according to claim 1, it is characterised in that: the admission pressure passes
Sensor (17) is semiconductor piezo-resistive pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332381.8A CN109372662A (en) | 2018-11-09 | 2018-11-09 | A kind of exhaust gas bypass auxiliary pressurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811332381.8A CN109372662A (en) | 2018-11-09 | 2018-11-09 | A kind of exhaust gas bypass auxiliary pressurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109372662A true CN109372662A (en) | 2019-02-22 |
Family
ID=65384651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811332381.8A Pending CN109372662A (en) | 2018-11-09 | 2018-11-09 | A kind of exhaust gas bypass auxiliary pressurization system |
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| Country | Link |
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| CN (1) | CN109372662A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894772A (en) * | 2020-07-30 | 2020-11-06 | 东风商用车有限公司 | Engine supercharging air intake system and control method thereof |
| CN114294092A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Dynamic air compensation and exhaust temperature management system for engine |
| CN114294098A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Dynamic air compensation and exhaust temperature management system for diesel engine |
| CN114294097A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Engine hot end dynamic air compensation and bypass throttle valve rear-mounted exhaust temperature management system |
| 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 |
| CN114294095A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Cold end dynamic air compensation and bypass throttle valve rear-mounted exhaust temperature management system of engine |
| CN114294101A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Dynamic air compensation and thermal management system of diesel engine |
| CN114294100A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Hot end dynamic air compensation and exhaust temperature management system with heating device for engine |
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| CN103764970A (en) * | 2011-09-02 | 2014-04-30 | 戴姆勒股份公司 | Supercharger control device for internal combustion engine |
| CN105604919A (en) * | 2016-03-11 | 2016-05-25 | 东风商用车有限公司 | Vehicle air compressor energy-saving system and control method thereof |
| CN206903755U (en) * | 2017-06-23 | 2018-01-19 | 东风商用车有限公司 | A kind of boosting internal combustion engine exhaust and brake system |
| CN208040519U (en) * | 2018-01-30 | 2018-11-02 | 东风商用车有限公司 | A kind of vehicle air compressor energy-saving pressurized system |
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Patent Citations (4)
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| CN103764970A (en) * | 2011-09-02 | 2014-04-30 | 戴姆勒股份公司 | Supercharger control device for internal combustion engine |
| CN105604919A (en) * | 2016-03-11 | 2016-05-25 | 东风商用车有限公司 | Vehicle air compressor energy-saving system and control method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894772A (en) * | 2020-07-30 | 2020-11-06 | 东风商用车有限公司 | Engine supercharging air intake system and control method thereof |
| CN114294092A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Dynamic air compensation and exhaust temperature management system for engine |
| CN114294098A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Dynamic air compensation and exhaust temperature management system for diesel engine |
| CN114294097A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Engine hot end dynamic air compensation and bypass throttle valve rear-mounted exhaust temperature management system |
| 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 |
| CN114294095A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Cold end dynamic air compensation and bypass throttle valve rear-mounted exhaust temperature management system of engine |
| CN114294101A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Dynamic air compensation and thermal management system of diesel engine |
| CN114294100A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Hot end dynamic air compensation and exhaust temperature management system with heating device for engine |
| 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 |
| CN114294092B (en) * | 2021-11-19 | 2023-05-23 | 东风商用车有限公司 | Dynamic air compensation and exhaust temperature management system for engine |
| CN114294098B (en) * | 2021-11-19 | 2023-05-23 | 东风商用车有限公司 | Dynamic air compensation and exhaust temperature management system for diesel engine |
| CN114294097B (en) * | 2021-11-19 | 2023-05-23 | 东风商用车有限公司 | Engine hot end dynamic air compensation and bypass throttle valve rear-mounted temperature-discharging management system |
| CN114294100B (en) * | 2021-11-19 | 2023-05-23 | 东风商用车有限公司 | Hot end dynamic air compensation and temperature discharge management system with heating device for engine |
| CN114294101B (en) * | 2021-11-19 | 2023-05-23 | 东风商用车有限公司 | Dynamic air compensation and thermal management system for diesel engine |
| CN114294095B (en) * | 2021-11-19 | 2023-05-23 | 东风商用车有限公司 | Cold end dynamic air compensation and bypass throttle valve rear-mounted exhaust temperature management system of engine |
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