CN106194402B - A kind of heat accumulating type composite turbocharging device - Google Patents
A kind of heat accumulating type composite turbocharging device Download PDFInfo
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- CN106194402B CN106194402B CN201610831157.8A CN201610831157A CN106194402B CN 106194402 B CN106194402 B CN 106194402B CN 201610831157 A CN201610831157 A CN 201610831157A CN 106194402 B CN106194402 B CN 106194402B
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- Prior art keywords
- working medium
- storage heater
- exhaust gas
- turbine
- inlet pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
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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 present invention provides a kind of heat accumulating type composite turbocharging devices, the device is formed in parallel by exhaust turbocharging system and working medium turbo charge system, working medium turbo charge system stores energy as auxiliary system in high-speed working condition, and work is intervened in low speed and accelerating mode.When high engine speeds operating mode, under the premise of exhaust turbocharging system works normally, extra exhaust gas is introduced into the storage heater in working medium turbo charge system by control unit, and working medium in storage heater absorbs waste-gas heat evaporation, and pressure be stepped up to a certain desired value after stablize；When being transferred to speed operation, only lean on exhaust turbocharging system that cannot meet air inlet requirement, the high-pressure gaseous working medium in storage heater is discharged and impacts working medium turbine at this time, to drive the rotation of working medium turbine to calm the anger, increases air inflow with this；When accelerating mode, control unit controlled medium turbine intervenes work immediately, quickly increases air inflow, to improve transient response.
Description
Technical field
The present invention had both belonged to exhaust gases of internal combustion engines complementary energy recycling field, also belonged to air-intake of combustion engine turbocharging field.
Background technology
With society be constantly progressive and economic sustainable growth, energy shortage problem is also more and more severe, it is energy saving this
The theme that the world is paid close attention to jointly also becomes more and more important, and internal combustion engine is as a kind of higher energy consumption machinery of thermal efficiency, thermal effect
Rate also only has 40 or so percent, that is, has 60 or so percent heat to dissipate in different forms, wherein by exhaust gas
The energy taken away accounts for major part, substantially suitable with output work, so the abundant recycling of engine exhaust gas complementary energy is for section
This great demand in whole world of energy emission reduction is significant.
Exhaust turbocharging system effectively raises the power per liter of internal combustion engine, hence it is evident that improve internal combustion engine dynamic property and
Fuel economy, therefore its application on automobile is more and more extensive, but there is also some for conventional exhaust turbo charge system
Disadvantage:Exhaust gas flow velocity is low when low speed, and secondary speed is relatively low at this time, does not have pressurization not only, or even can hinder to be vented, to
Cause torque insufficient, exhaust back pressure is excessive when high speed, and exhaust energy is superfluous when pumping loss aggravation, i.e. high speed, exhaust gas when low speed
Energy is insufficient；Turbo lag when transient condition, response are insufficient.The present invention is insufficient for these, it is proposed that the compound whirlpool of heat accumulating type
Wheel pressurizing apparatus, the energy application which can be stored energy superfluous under internal combustion engine high-speed working condition, and will stored
To low speed and transient condition, the above problem of conventional exhaust turbo charge system is substantially improved, while having reached discharge gas complementary energy
The purpose of recycling.
Invention content
The present invention provides a kind of heat accumulating type composite turbocharging device, and the device is by exhaust turbocharging system and working medium whirlpool
Wheel pressure charging system be formed in parallel, under high-speed working condition, the system using storage heater store exhaust gas turbine after meeting work requirements remain
Remaining part exhaust energy (exhaust energy is superfluous under high-speed working condition), be used in combination this portion of energy under low speed and transient condition with
The form of working medium kinetic energy drives working medium turbine to calm the anger, insufficient so as to improve conventional exhaust turbo charge system low speed torque, high speed
Exhaust back pressure is excessive, the slow disadvantage of transient response.
The present invention is by engine 1, inlet manifold 2, control unit 3, exhaust main 4, exhaust gas fraction solenoid valve 5, exhaust gas whirlpool
Wheel 6, air inlet pipe I7, exhaust gas three-way magnetic valve 8, compressor I9, air intake control valve 10, preprocessor 11, temperature sensor I12,
Pressure sensor I13, storage heater I14, preserving heat and radiating heat piece I15, liquid level sensor I16, pressure regulator valve I17, working medium flow direction control valve
I18, working medium outlet pipe II19, working medium inlet pipe I20, working medium turbine 21, compressor II22, working medium flow direction control valve II23, air inlet pipe
II24, working medium inlet pipe II25, working medium outlet pipe I26, working medium flow direction control valve III27, pressure regulator valve II28, liquid level sensor II29,
Temperature sensor II30, pressure sensor II31, storage heater II32, preserving heat and radiating heat piece II33 are constituted.
Wherein exhaust main 4 is connected with the arrival end of exhaust gas fraction solenoid valve 5, two outlets of exhaust gas fraction solenoid valve 5
End is connected with the input end of the inlet end of exhaust gas turbine 6 and exhaust gas three-way magnetic valve 8 respectively by pipeline, exhaust gas turbine 6 and pressure
Mechanism of qi I9 is coaxially connected, and the gas outlet of compressor I9 is connected with air inlet pipe I7, and air inlet pipe I7 is connected in series with inlet manifold 2, gives up
The outlet side of air turbine 6 is connected by pipeline with preprocessor 11, and two outlet ends of exhaust gas three-way magnetic valve 8 pass through pipeline point
It is not connected with the exhaust gas entrance end of storage heater I14 and storage heater II32, the waste gas outlet end of storage heater I14 and storage heater II32 are logical
Piping is connected with preprocessor 11, quantitative low boiling working fluid is housed in storage heater I14 and storage heater II32, and at them
Outlet end be connected with pressure regulator valve I17 and pressure regulator valve II28 respectively, the input end of working medium turbine 21 simultaneously with working medium inlet pipe I20 and work
Matter inlet pipe II25 is connected, and the outlet end of working medium turbine 21 is connected with working medium outlet pipe I26 and working medium outlet pipe II19 simultaneously, working medium outlet pipe
II19, working medium inlet pipe I20, working medium flow direction control valve I18, working medium flow direction control valve II23, work are respectively provided on working medium outlet pipe I26
Pressure regulator valve II28, matter flow direction control valve III27 is adjusted when working medium flow direction control valve III27, the II23 closings of working medium flow direction control valve
When pressure valve I17, working medium flow direction control valve I18 are opened, the working medium in storage heater II32 can flow to work by working medium inlet pipe II25
Matter turbine can pass through working medium outlet pipe II19 inflow storage heater I14 after the outflow of the volute of working medium turbine, similarly, when control is adjusted
Pressure valve I17, working medium flow direction control valve II23 and working medium flow direction control valve III27 are opened, working medium flow direction control valve I18 and pressure regulator valve
When II28 is closed, the working medium in storage heater I14 can flow into after working medium inlet pipe I20, working medium turbine 21, matter outlet pipe I26 successively
Storage heater II32.On storage heater I14 and storage heater II32 preserving heat and radiating heat piece I15 and preserving heat and radiating heat piece are respectively provided with using hinge
II33, and it is respectively provided with temperature sensor I12, pressure sensor I13, liquid level sensor I16 and temperature sensor II30, pressure
The material of force snesor II31, liquid level sensor II29, preserving heat and radiating heat piece I15 and preserving heat and radiating heat piece II33 are thermal insulation ceramics,
On be connected with the swing arm that can be waved, swing arm is hinged on the shell of storage heater, and preserving heat and radiating heat piece can be under the drive of swing arm
It stirring up and down, working medium turbine 21 and compressor II22 are coaxially connected, and the gas outlet of compressor II22 is connect with air inlet pipe II24, into
Air intake control valve 10 is housed on tracheae II24, and is connected with inlet manifold 2.
The principle of the present invention is：Control unit 3 can control exhaust gas fraction solenoid valve 5 according to the working condition of engine
Aperture, and then the exhaust gas flow of inflow exhaust gas turbine 6 and exhaust gas three-way magnetic valve 8 is controlled, meeting exhaust gas turbine 6 to waste gas stream
Under the premise of the requirement of amount, make remainder of exhaust gas inflow exhaust gas three-way magnetic valve 8.The high speed rotation under the impact of exhaust gas of exhaust gas turbine 6
And the compressor I9 high speed rotations coaxially connected is driven to calm the anger, compressed air passes through air inlet pipe I7 and inlet manifold 2
Engine is flowed into, to achieve the purpose that plenum.Storage heater I14 and storage heater II32 is practical to prestore low boiling point for inside
The special heat exchanger of working medium, effect is the energy for storing high-temp waste gas, converts the thermal energy of high-temp waste gas to the pressure of working medium
Energy.Exhaust gas three-way magnetic valve 8 can control the flow direction for the exhaust gas for coming from exhaust gas fraction solenoid valve 5, so that exhaust gas is alternately flowed into and store
Hot device I14 and storage heater II32, when high-temp waste gas flows into storage heater I14, high-temp waste gas can conduct heat to low boiling working fluid, in height
Under the lasting heat effect of warm exhaust gas, working medium is gradually absorbed heat evaporation, and pressure and temperature can gradually rise, and preserving heat and radiating heat at this time
Piece I15 is not dug, due to preserving heat and radiating heat piece I15 material be thermal insulation ceramics, heat transfer coefficient is very low, can weaken storage heater to
The heat transfer of air, to ensure the heat storage capacity of storage heater, the effects of storage heater I14 at this time are accumulation of heats, at the same time, storage heater
Working medium in II32 is low temperature liquid, and preserving heat and radiating heat piece II33 digs 90 degree upwards, accelerates storage heater II32 and outwardly radiates, stores
Hot device II32 does condenser use.Temperature sensor I12 and pressure sensor I13 moment detect the temperature of working medium in storage heater I14
And pressure, when more than preset value, for safety, control unit 3 controls pressure regulator valve I17, working medium flow direction control valve II23, work
Matter flow direction control valve III27 is opened, and pressure regulator valve II28, working medium flow direction control valve I18 are closed, and high-pressure gaseous working medium is through working medium inlet pipe
I20, working medium turbine 21, working medium outlet pipe I26 are condensed into liquid after flowing into storage heater II32, realize the purpose of pressure release, to make storage
Power pressure in hot device I14 remains near a certain target pressure value, and the meeting when working medium passes through working medium turbine 21
Drive its rotation, and then compressor II22 rotations driven to calm the anger, air intake control valve 10 is opened, compressed air through air inlet pipe II24 and
Engine is flowed into after inlet manifold 2, high-temp waste gas flows through storage heater I14 and can flow into post-processing after transferring heat to working medium
Device.After working medium in storage heater I14 reaches target pressure value, control unit 3 is according to engine behavior, controlled medium at any time
Turbine enters acting pattern, and into after acting pattern, control unit 3 controls pressure regulator valve I17, working medium flow direction control valve II23, work
Matter flow direction control valve III27, air intake control valve 10 are opened, and pressure regulator valve II28, working medium flow direction control valve I18 are closed, storage heater I14
Interior high-pressure gaseous working medium can be flowed out with very high flow velocity, flowed to working medium turbine 21 through working medium inlet pipe I20 high speeds and driven its rotation
Turn, liquid is then condensed into after working medium outlet pipe I26 enters storage heater II32, working medium turbine 21 can drive coaxial connection
Compressor II22 rotation calm the anger, compressed air flows into engine after air inlet pipe II24 and inlet manifold 2, to reach
To the purpose of plenum.The liquid level sensor II29 moment detects the liquid level of working medium in storage heater II32, when liquid level reaches a certain
After default value, control unit changes waste gas flow direction by exhaust gas three-way magnetic valve 8, and exhaust gas is made to flow into storage heater II32, keeps the temperature
Cooling fin I15 digs 90 degree, and preserving heat and radiating heat piece II33 is fallen, the role exchange of storage heater I14 and storage heater II32, storage heater
II32 undertakes accumulation of heat task, and storage heater I14 does condenser use, and the working medium in storage heater II32 is gradually evaporated and pressure gradually increases
Greatly, when pressure value needs pressure release or working medium turbine 21 to need to enter acting pattern more than upper safety limit, the control of control unit 3 is adjusted
Pressure valve I17, working medium flow direction control valve I18, pressure regulator valve II28, air intake control valve 10 are opened, working medium flow direction control valve II23, working medium
Flow direction control valve III27 is closed, and the high-pressure gaseous working medium in storage heater II32 impacts working medium turbine 21 after working medium inlet pipe II25
Make its high speed rotation, and then compressor II22 rotations is driven to calm the anger, compressed air passes through air inlet pipe II24 and inlet manifold 2
After flow into engine, the working medium lack of gas after acting are condensed into liquid after working medium outlet pipe II19 flows into storage heater I14, at this time liquid level
The sensor I16 moment detects the working medium liquid level in storage heater I14, and control unit 3 controls exhaust gas three after liquid level reaches preset value
Three-way electromagnetic valve 8 changes waste gas flow direction, so that exhaust gas is flowed into storage heater I14, preserving heat and radiating heat piece I15 is fallen, and preserving heat and radiating heat piece II33 is turned over
90 degree are played, the role exchange of storage heater I14 and storage heater II32, storage heater I14 undertake accumulation of heat task, and storage heater II32 is condensed
Device is used, and after the working medium liquid level in storage heater II32 reaches default value, the role of storage heater I14 and storage heater II32 again can be mutual
It changes, so moves in circles.
The beneficial effects of the present invention are：The present invention is insufficient for conventional exhaust turbo charge system low speed torque, high speed
Exhaust back pressure is big, and energy surplus, pumping loss is big, the bad disadvantage of transient response, it is proposed that heat accumulating type composite turbocharging
Device, the device can be stored exhaust energy superfluous under internal combustion engine high-speed working condition, and in low speed and transient condition
It drives working medium turbine to rotate in the form of working medium kinetic energy with the energy stored, and then calms the anger, fully solve conventional exhaust turbine
Pressure charging system exhaust energy uses non-uniform problem, while having achieved the purpose that discharge gas complementary energy recycles.
Description of the drawings
Fig. 1 is the structural schematic diagram of heat accumulating type composite turbocharging device.
It is marked in figure：Engine 1, inlet manifold 2, control unit 3, exhaust main 4, exhaust gas fraction solenoid valve 5, exhaust gas whirlpool
Wheel 6, air inlet pipe I7, exhaust gas three-way magnetic valve 8, compressor I9, air intake control valve 10, preprocessor 11, temperature sensor I12,
Pressure sensor I13, storage heater I14, preserving heat and radiating heat piece I15, liquid level sensor I16, pressure regulator valve I17, working medium flow direction control valve
I18, working medium outlet pipe II19, working medium inlet pipe I20, working medium turbine 21, compressor II22, working medium flow direction control valve II23, air inlet pipe
II24, working medium inlet pipe II25, working medium outlet pipe I26, working medium flow direction control valve III27, pressure regulator valve II28, liquid level sensor II29,
Temperature sensor II30, pressure sensor II31, storage heater II32, preserving heat and radiating heat piece II33.
Specific implementation mode
Technical solution of the present invention is further elaborated below in conjunction with attached drawing 1：
The present invention is by engine 1, inlet manifold 2, control unit 3, exhaust main 4, exhaust gas fraction solenoid valve 5, exhaust gas whirlpool
Wheel 6, air inlet pipe I7, exhaust gas three-way magnetic valve 8, compressor I9, air intake control valve 10, preprocessor 11, temperature sensor I12,
Pressure sensor I13, storage heater I14, preserving heat and radiating heat piece I15, liquid level sensor I16, pressure regulator valve I17, working medium flow direction control valve
I18, working medium outlet pipe II19, working medium inlet pipe I20, working medium turbine 21, compressor II22, working medium flow direction control valve II23, air inlet pipe
II24, working medium inlet pipe II25, working medium outlet pipe I26, working medium flow direction control valve III27, pressure regulator valve II28, liquid level sensor II29,
Temperature sensor II30, pressure sensor II31, storage heater II32, preserving heat and radiating heat piece II33 are constituted.
Wherein exhaust main 4 is connected with the arrival end of exhaust gas fraction solenoid valve 5, two outlets of exhaust gas fraction solenoid valve 5
End is connected with the input end of the inlet end of exhaust gas turbine 6 and exhaust gas three-way magnetic valve 8 respectively by pipeline, exhaust gas turbine 6 and pressure
Mechanism of qi I9 is coaxially connected, and the gas outlet of compressor I9 is connected with air inlet pipe I7, and air inlet pipe I7 is connected in series with inlet manifold 2, gives up
The outlet side of air turbine 6 is connected by pipeline with preprocessor 11, and two outlet ends of exhaust gas three-way magnetic valve 8 pass through pipeline point
It is not connected with the exhaust gas entrance end of storage heater I14 and storage heater II32, the waste gas outlet end of storage heater I14 and storage heater II32 are logical
Piping is connected with preprocessor 11, quantitative low boiling working fluid is housed in storage heater I14 and storage heater II32, and at them
Outlet end be connected with pressure regulator valve I17 and pressure regulator valve II28 respectively, the input end of working medium turbine 21 simultaneously with working medium inlet pipe I20 and work
Matter inlet pipe II25 is connected, and the outlet end of working medium turbine 21 is connected with working medium outlet pipe I26 and working medium outlet pipe II19 simultaneously, working medium outlet pipe
II19, working medium inlet pipe I20, working medium flow direction control valve I18, working medium flow direction control valve II23, work are respectively provided on working medium outlet pipe I26
Pressure regulator valve II28, matter flow direction control valve III27 is adjusted when working medium flow direction control valve III27, the II23 closings of working medium flow direction control valve
When pressure valve I17, working medium flow direction control valve I18 are opened, the working medium in storage heater II32 can flow to work by working medium inlet pipe II25
Matter turbine can pass through working medium outlet pipe II19 inflow storage heater I14 after the outflow of the volute of working medium turbine, similarly, when control is adjusted
Pressure valve I17, working medium flow direction control valve II23 and working medium flow direction control valve III27 are opened, working medium flow direction control valve I18 and pressure regulator valve
When II28 is closed, the working medium in storage heater I14 can flow into after working medium inlet pipe I20, working medium turbine 21, matter outlet pipe I26 successively
Storage heater II32.On storage heater I14 and storage heater II32 preserving heat and radiating heat piece I15 and preserving heat and radiating heat piece are respectively provided with using hinge
II33, and it is respectively provided with temperature sensor I12, pressure sensor I13, liquid level sensor I16 and temperature sensor II30, pressure
The material of force snesor II31, liquid level sensor II29, preserving heat and radiating heat piece I15 and preserving heat and radiating heat piece II33 are thermal insulation ceramics,
On be connected with the swing arm that can be waved, swing arm is hinged on the shell of storage heater, and preserving heat and radiating heat piece can be under the drive of swing arm
It stirring up and down, working medium turbine 21 and compressor II22 are coaxially connected, and the gas outlet of compressor II22 is connect with air inlet pipe II24, into
Air intake control valve 10 is housed on tracheae II24, and is connected with inlet manifold 2.
Specific work process is as follows：
When high engine speeds operating mode, exhaust gas flow and flow velocity are very big, if by exhaust gas as conventional exhaust turbocharging
It all guides exhaust gas turbine into, engine exhaust back pressure can be caused excessive, aggravate pumping loss, i.e. exhaust energy is superfluous, so this
When control unit 3 aperture of exhaust gas fraction solenoid valve 5 can be adjusted according to specific operating point, meet flow of the exhaust gas turbine to exhaust gas
After demand, extra high-temp waste gas is bypassed to exhaust gas three-way magnetic valve 8, control unit 3 controls exhaust gas three-way magnetic valve 8 first
High-temp waste gas is set to flow into storage heater I14, and the preserving heat and radiating heat piece I15 on the surface layers storage heater I14 will not be dug at this time, by storage heater
Envelope gets up, and plays the role of heat preservation, and high-temp waste gas continues through storage heater, and transfers heat to the work in storage heater I14
Matter, working medium is evaporated after being persistently heated and pressure incrementally increases, and when pressure is more than a certain preset value, for safety, control is single
Member 3 controls pressure regulator valve I17, working medium flow direction control valve II23, working medium flow direction control valve III27 and opens, pressure regulator valve II28, working medium stream
It is closed to control valve I18, high-pressure gaseous working medium flows into storage heater through working medium inlet pipe I20, working medium turbine 21, working medium outlet pipe I26
It is condensed into liquid after II32, realizes the purpose of pressure release, to make the power pressure in storage heater I14 remain at a certain target
Near pressure value, and its rotation can be driven when working medium passes through working medium turbine 21, and then compressor II22 rotations is driven to calm the anger,
Air intake control valve 10 is opened, and compressed air flows into engine after air inlet pipe II24 and inlet manifold 2, and high-temp waste gas flows through accumulation of heat
Device I14 simultaneously can flow into preprocessor after transferring heat to working medium, this process is the heat-accumulating process of storage heater I14, i.e., will be extra
The energy absorption of high-temp waste gas simultaneously stores, and the liquid level sensor II29 moment detects the liquid level of working medium in storage heater II32, works as liquid level
(the working medium total amount in two storage heaters is certain, and by calibration, working medium liquid level reaches in storage heater II32 after reaching a certain default value
Working medium after this numerical value then in storage heater I14 exhausts substantially, it is impossible to working medium turbine be pushed to rotate), control unit passes through exhaust gas
Three-way magnetic valve 8 changes waste gas flow direction, so that exhaust gas is flowed into storage heater II32, preserving heat and radiating heat piece I15 digs 90 degree, preserving heat and radiating heat piece
II33 is fallen, the role exchange of storage heater I14 and storage heater II32, and storage heater II32 undertakes accumulation of heat task, and storage heater I14 does cold
Condenser is used, and the working medium in storage heater II32 is gradually evaporated and pressure incrementally increases, when pressure value needs pressure release more than upper safety limit
When, control unit 3 controls pressure regulator valve I17, working medium flow direction control valve I18, pressure regulator valve II28, air intake control valve 10 and opens, working medium
Flow direction control valve II23, working medium flow direction control valve III27 are closed, and the high-pressure gaseous working medium in storage heater II32 is through working medium inlet pipe
Working medium turbine 21 is impacted after II25 makes its high speed rotation, and then compressor II22 rotations is driven to calm the anger, and compressed air is passed through
Engine is flowed into after air inlet pipe II24 and inlet manifold 2, the working medium lack of gas after acting flow into storage heater I14 through working medium outlet pipe II19
After be condensed into liquid, at this time the liquid level sensor I16 moment detect the working medium liquid level in storage heater I14, when liquid level reaches preset value
Control unit 3 controls 8 change waste gas flow direction of exhaust gas three-way magnetic valve afterwards, and exhaust gas is made to flow into storage heater I14, storage heater I14 and storage
The role exchange of hot device II32, so moves in circles, in such cases exhaust gas turbine continue working, and working medium turbine is only in storage heater
It works when pressure release.
When certain by high speed steering speed operation region (being defined as region 1) of engine, the exhaust gas flow and stream of engine
Speed is relatively small, and for conventional turbine pressure charging system, exhaust gas not only cannot effectively drive turbine rotation even can hinder engine
The discharge of exhaust gas, cause to be vented it is unsmooth, so needed at these conditioned areas using control unit 3 control exhaust gas fraction electromagnetism
Valve 5 makes exhaust gas whole inflow exhaust gas three-way magnetic valve 8, then flows into storage heater I14 (assuming that being storage heater in high-speed working condition
I14 has stored energy), exhaust gas turbine does not work at this time, and supercharging task is completed by working medium turbine completely, and control unit 3 is controlled at this time
Pressure regulator valve I17, working medium flow direction control valve II23, working medium flow direction control valve III27 and air intake control valve 10 processed are opened, working medium flow direction
Control valve I18 and pressure regulator valve II28 are closed, and the high-pressure gaseous working medium in storage heater I14 passes through pressure regulator valve I17, working medium inlet pipe successively
Working medium turbine 21 is impacted after I20, working medium flow direction control valve II23, the rotation of working medium turbine 21 drives compressor II22 rotations to calm the anger,
Air after supercharged flows into engine after air inlet pipe II24 and inlet manifold 2, to achieve the purpose that plenum, acting
Working medium lack of gas afterwards flow into storage heater II32 after working medium outlet pipe I26 and working medium flow direction control valve III27, at this time preserving heat and radiating heat piece
II33 is dug under the drive of rocking arm, so that the shell of storage heater II32 is exposed in air, is conducive to outwardly radiate, because thus
When storage heater II32 in working medium be cold conditions, and there is no external source, so meeting after working medium lack of gas flow into storage heater II32
It is condensed into liquid immediately, liquid level sensor II29 can detect the liquid level of liquid refrigerant in storage heater II32, wait for that liquid level reaches always
When a certain default value, control unit 3 controls exhaust gas three-way magnetic valve 8 and changes waste gas flow direction, flows exhaust into storage heater II32,
Storage heater I14 and storage heater II32 role exchanges, the heat of high-temp waste gas is stored using storage heater II32, waits for that storage heater II32 stores
(power pressure continues a certain predetermined time near desired value), 3 controlled medium flow direction control valve of control unit after full energy
III27, working medium flow direction control valve II23 are closed, pressure regulator valve II28, pressure regulator valve I17, working medium flow direction control valve I18, air inlet control
Valve 10 is opened, and high-pressure gaseous working medium drives working medium turbine 21 to rotate by storage heater II32 after working medium inlet pipe II25, and then is driven
The rotation of compressor 22 is calmed the anger, and the lack of gas after acting enter storage heater I14 through working medium outlet pipe II19, then condense, liquid level sensor
I16 detects the liquid level in storage heater I14 always, and after liquid level reaches a certain default value, control unit 3 controls exhaust gas three and is powered
Magnet valve 8 changes waste gas flow direction, flows exhaust into storage heater I14, the role exchange of storage heater I14 and storage heater II32, storage heater
I14 undertakes accumulation of heat task, and storage heater II32 does condenser use, so moves in circles.
When engine turns to other speed operation region (being defined as region 2) by high-speed working condition, the exhaust gas of engine
It is big when flow-rate ratio region 1, but demand of the exhaust gas turbine to exhaust gas flow can not be fully met, control unit 3 controls at this time
Exhaust gas fraction solenoid valve 5 makes exhaust gas all flow to exhaust gas turbine 6, and under such operating mode, exhaust gas turbine and working medium turbine are intervened simultaneously
The working method of work, working medium turbine and storage heater is identical as mode when conditioned area 1, but working medium turbine in such cases
The time of work is limited, because high-temp waste gas does not flow into storage heater I14 or storage heater II32 heating working mediums at this time, is finished
The working medium condensed after work(will not absorb heat evaporation again, so the energy that working medium turbine can utilize in such cases is only under high-speed working condition
The part energy that storage heater stores, when acting is persistently discharged to exhausting or press in the working medium in storage heater I14 or storage heater II32
Power is too low cannot drive working medium turbine after, working medium turbine will be stopped.
When accelerating mode, engine needs to increase air inflow immediately, needs working medium turbine immediate response at this time, quickly intervenes
Work, to improve transient response, control module 3 controls waste gas flow direction and remains unchanged, it is assumed that is that storage heater I14 is stored at this time
Energy, at this time the control pressure regulator valve of control unit 3 I17, working medium flow direction control valve II23, working medium flow direction control valve III27 and air inlet
Control valve 10 is opened, and working medium flow direction control valve I18 and pressure regulator valve II28 are closed, and the high-pressure gaseous working medium in storage heater I14 is successively
Accumulation of heat is flowed into after pressure regulator valve I17, working medium inlet pipe I20, working medium flow direction control valve II23, working medium turbine 21, working medium outlet pipe I26
Device II32, then condenses, it can be driven to rotate when high speed working medium flows through working medium turbine 21 and then drive compressor II22 rotation pressures
Gas, air after supercharged flow into engine after air inlet pipe II24 and inlet manifold 2, increase air inflow immediately to reach
Purpose.If being that storage heater II32 has stored energy, 3 controlled medium flow direction control valve III27 of control unit, working medium stream at this time
It is closed to control valve II23, pressure regulator valve II28, pressure regulator valve I17, working medium flow direction control valve I18, air intake control valve 10 are opened, working medium
Enter storage heater I14 condensations after working medium inlet pipe II25, working medium turbine 21, working medium outlet pipe II19 successively, and by working medium whirlpool
It drives it to rotate when taking turns 21 and then compressor II22 rotations is driven to calm the anger.Because the design diameter and quality of working medium turbine are respectively less than
The rotary inertia of exhaust gas turbine, i.e. working medium turbine is small, so under the impact of high-pressure working medium, working medium turbine will not occur late substantially
Stagnant phenomenon, and each valve is opened for being controlled electronically, with exhaust gas without direct relation, so response is very fast, it can be preferable
Improve transient response.
The heat of high-temp waste gas is absorbed in the present invention using low boiling working fluid, in practical operation, all boiling points are lower
Working medium can realize above-mentioned function；Energy exchange is realized using storage heater in the present invention, in practical operation, plate heat exchanger,
Spiral heat exchanger etc. can realize above-mentioned function.
Claims (2)
1. a kind of heat accumulating type composite turbocharging device, by engine (1), inlet manifold (2), control unit (3), exhaust main
(4), exhaust gas fraction solenoid valve (5), exhaust gas turbine (6), air inlet pipe I (7), exhaust gas three-way magnetic valve (8), compressor I (9), into
Gas control valve (10), preprocessor (11), temperature sensor I (12), pressure sensor I (13), storage heater I (14), heat preservation dissipate
Backing I (15), liquid level sensor I (16), pressure regulator valve I (17), working medium flow direction control valve I (18), working medium outlet pipe II (19), working medium
Inlet pipe I (20), working medium turbine (21), compressor II (22), working medium flow direction control valve II (23), air inlet pipe II (24), working medium into
Pipe II (25), working medium outlet pipe I (26), working medium flow direction control valve III (27), pressure regulator valve II (28), liquid level sensor II (29), temperature
It spends sensor II (30), pressure sensor II (31), storage heater II (32), preserving heat and radiating heat piece II (33) to constitute, exhaust main (4)
Be connected with the arrival end of exhaust gas fraction solenoid valve (5), two outlet ends of exhaust gas fraction solenoid valve (5) by pipeline respectively with it is useless
The inlet end of air turbine (6) is connected with the input end of exhaust gas three-way magnetic valve (8), and exhaust gas turbine (6) and compressor I (9) are coaxial
Connection, the gas outlet of compressor I (9) are connected with air inlet pipe I (7), and air inlet pipe I (7) is connected in series with inlet manifold (2), exhaust gas
The outlet side of turbine (6) is connected by pipeline with preprocessor (11), and two outlet ends of exhaust gas three-way magnetic valve (8) pass through pipe
Road is connected with the exhaust gas entrance end of storage heater I (14) and storage heater II (32) respectively, storage heater I (14) and storage heater II's (32)
Waste gas outlet end is connected by pipeline with preprocessor (11), equipped with quantitative low in storage heater I (14) and storage heater II (32)
Boiling point working medium, and it is connected with pressure regulator valve I (17) and pressure regulator valve II (28), storage heater I (14) respectively at their sender property outlet end
Sender property outlet end connect with working medium outlet pipe II (19), the sender property outlet end of storage heater II (32) with working medium inlet pipe II (25) even
It connecing, the both ends of working medium inlet pipe I (20) are connected to working medium outlet pipe II (19) and working medium inlet pipe II (25), and the two of working medium outlet pipe I (26)
End is also connected to working medium outlet pipe II (19) and working medium inlet pipe II (25), and working medium turbine (21) and compressor II (22) are coaxially connected,
The inlet end of working medium turbine (21) is connected with working medium inlet pipe I (20) and working medium inlet pipe II (25) simultaneously, and working medium turbine (21) go out
Gas end is connected with working medium outlet pipe I (26) and working medium outlet pipe II (19) simultaneously, working medium outlet pipe II (19), working medium inlet pipe I (20), working medium
Working medium flow direction control valve I (18), working medium flow direction control valve II (23), working medium flow direction control valve III are respectively provided on outlet pipe I (26)
(27), the gas outlet of compressor II (22) is connect with air inlet pipe II (24), and air intake control valve (10) is housed on air inlet pipe II (24),
And it connects with inlet manifold (2), exhaust gas fraction solenoid valve (5) enters exhaust gas turbine (6) and exhaust gas threeway electromagnetism for adjusting
The ratio of the tail gas amount of valve (8), when engine is in speed operation, the exhaust gas flow and flow velocity of engine are relatively small, for
Conventional turbine pressure charging system, exhaust gas not only cannot effectively drive turbine rotation that can even hinder the discharge of engine exhaust, cause
Be vented it is unsmooth, at this time control unit (3) control exhaust gas fraction solenoid valve (5) aperture, make exhaust gas whole inflow exhaust gas three be powered
Magnet valve (8), at this time exhaust gas turbine (6) do not work, working medium turbine (21) rotates under the promotion of working medium, and drives coaxial
Compressor II (22) rotations are calmed the anger.
2. heat accumulating type composite turbocharging device according to claim 1, it is characterised in that the storage heater I (14) and
It is respectively provided with preserving heat and radiating heat piece I (15) and preserving heat and radiating heat piece II (33) using hinge on storage heater II (32), and is respectively provided with
Temperature sensor I (12), pressure sensor I (13), liquid level sensor I (16) and temperature sensor II (30), pressure sensor
It is connected with the pendulum that can be waved on II (31), liquid level sensor II (29), preserving heat and radiating heat piece I (15) and preserving heat and radiating heat piece II (33)
Arm, swing arm are hinged on the shell of storage heater, and preserving heat and radiating heat piece can stir up and down under the drive of swing arm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610831157.8A CN106194402B (en) | 2016-09-19 | 2016-09-19 | A kind of heat accumulating type composite turbocharging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610831157.8A CN106194402B (en) | 2016-09-19 | 2016-09-19 | A kind of heat accumulating type composite turbocharging device |
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| CN106194402A CN106194402A (en) | 2016-12-07 |
| CN106194402B true CN106194402B (en) | 2018-08-31 |
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| CN108488106B (en) * | 2018-03-26 | 2020-02-07 | 太原科技大学 | Dual cavity open accumulator system driven by exhaust gas turbocompressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH612471A5 (en) * | 1976-07-01 | 1979-07-31 | Sulzer Ag | Internal combustion engine system |
| JP2001132555A (en) * | 1999-11-04 | 2001-05-15 | Hideo Kawamura | Water separation device provided in egr device of engine |
| DE102006011797A1 (en) * | 2006-03-15 | 2007-09-20 | Man Nutzfahrzeuge Ag | Vehicle or stationary power plant with a supercharged internal combustion engine as the drive source |
| CN101328828A (en) * | 2008-07-29 | 2008-12-24 | 奇瑞汽车股份有限公司 | Internal combustion engine turbocharging system |
| DE102009045380A1 (en) * | 2009-10-06 | 2011-04-07 | Robert Bosch Gmbh | driving means |
| JP6064575B2 (en) * | 2012-12-17 | 2017-01-25 | いすゞ自動車株式会社 | Exhaust heat recovery device for internal combustion engine and exhaust heat recovery method for internal combustion engine |
| CN105822386B (en) * | 2016-05-23 | 2018-06-08 | 吉林大学 | The I. C. engine exhaust temperature control equipment that a kind of segmented pressure temperature is adjusted |
| CN206071713U (en) * | 2016-09-19 | 2017-04-05 | 吉林大学 | A kind of heat accumulating type composite turbocharging device |
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