CN108087103A - A kind of internal-combustion engine system - Google Patents
A kind of internal-combustion engine system Download PDFInfo
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- CN108087103A CN108087103A CN201711276285.1A CN201711276285A CN108087103A CN 108087103 A CN108087103 A CN 108087103A CN 201711276285 A CN201711276285 A CN 201711276285A CN 108087103 A CN108087103 A CN 108087103A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 94
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 38
- 238000001816 cooling Methods 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000004044 response Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 46
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000011217 control strategy Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
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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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/0205—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using heat exchangers
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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 by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
- F01N5/025—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat the device being thermoelectric generators
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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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
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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
- F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
- F02B41/02—Engines with prolonged expansion
- F02B41/10—Engines with prolonged expansion in exhaust turbines
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Supercharger (AREA)
Abstract
The invention discloses a kind of internal-combustion engine system, including：Internal combustion engine (1)；First turbine (2) and the first compressor (3) carry out turbocharging, and the two is connected by the first shafting (7)；Second turbine (4) passes through the second shafting (8) connection coaxial with the second compressor (5) motor (6)；It connects to exchange into action edge by the 3rd shafting (9) between first shafting (7) and the second shafting (8)；First clutch (10) is installed to control the power transmission between the second turbine (4) and motor (6) in the second shafting (8)；Second clutch (11) is installed to control the power transmission between the first shafting (7) and the second shafting (8) in the 3rd shafting (9).The internal-combustion engine system of the present invention, by the open and close controlling to two clutches under different operating modes, realize the turbine quick response under speed operation, power increase and exhaust energy utilize and high-speed working condition under the effect that further utilizes of exhaust energy.
Description
Technical field
The present invention relates to technical field of internal combustion engines more particularly to a kind of internal-combustion engine systems.
Background technology
Internal combustion engine has highly important effect in national product and life.At present, it is most automobile-used and peculiar to vessel
Power is all internal combustion engine.Internal combustion engine consumes substantial amounts of fossil fuel, but the energy for averagely there was only 30%-40% is converted into machine
Tool energy, the energy for having nearly 60%-70% are dispersed into the form of a variety of heat transfers in air in internal combustion engine working process.Its
In, the exhaust energy of engine exhaust accounts for the 30% of gross energy.That is, the energy that really utilizes of internal combustion engine and discharge
Exhaust energy ratio is suitable, this causes the energy great waste.Internal combustion engine waste gas energy is recycled, is constantly carried
The utilization ratio of high-energy source is the important means for realizing energy-saving and emission-reduction, has important meaning to the sustainable development of global economy
Justice.
To solve the above problems, it is highly effective to recycle internal combustion engine waste gas energy using turbocharging in the prior art
Technological means, at present using very extensive.Existing overwhelming majority diesel engine and 40% or so gasoline engine all employ whirlpool
Take turns supercharging technology.The technical solution of the prior art mainly has following several：
1. scheme one：It is the structural representation for the turbocharged internal engine system being widely used in the prior art such as Fig. 1
Figure.Its operation principle is：The exhaust gas that internal combustion engine 1 discharges passes through the first shafting 7 into 2 expansion work of the first turbine, the first turbine 2
Output work gives the first compressor 3, and 3 compressed air of the first compressor increases admission pressure and density, during compressed gas enters
Cooler 12 cools down, and reduces intake air temperature, further increases density of the induced air, improves the dynamic property of internal combustion engine 1.Pass through the first turbine 2
Exhaust gas using post processing after be discharged in air.But the exhaust gas in this scenario, discharged after the first turbine 2 also have compared with
High temperature, some energy can not recycle, under-utilized to internal combustion engine waste gas energy.
2. scheme two：For the exhaust energy that turbine is discharged in further Utilization plan one, the technical solution of the prior art
It is to increase a turbo charge system after the first turbine 2 on the basis of scheme one, using two turbocharging technology, this two
Grade turbine is used to plenum, but this scheme is not suitable for the little situation of power of IC engine demand, and two-step supercharging
System matches more complicated with internal combustion engine.Meanwhile the exhaust gas after two stage turboexpansion still has certain recyclable profit
Energy, this portion of energy are not recycled.
3. scheme three：When single-stage turbocharging can meet power of IC engine demand, to avoid system matches complicated,
Two turbocharging technology will not generally be used.But on the basis of scheme one, using the increase power whirlpool after the first turbine 2
The technology of wheel further recycles the exhaust energy of internal combustion engine, but the gas pressure of the requirement of this scheme into power turbine is higher than greatly
Atmospheric pressure, therefore, when the exhaust gas pressure into power turbine is close to atmospheric pressure, the acting ability of power turbine is limited, nothing
Method further recycles the exhaust energy of internal combustion engine.
The content of the invention
(1) goal of the invention
The object of the present invention is to provide a kind of internal-combustion engine systems.Two-stage turbine, the first order are connected in series after internal combustion engine
Turbine drives a compressor by a shafting, forms turbo charge system, improves the dynamic property of internal combustion engine, second level turbine
Another compressor is driven by shafting, forms the inverse Bo Leideng circulatory systems, further recycles the exhaust energy of internal combustion engine.It is inverse vigorous
It is that exhaust gas is passed through turbine that thunder, which steps on the circulatory system, is followed by a cooling device and a compressor in turbine, blower outlet is
Air.Exhaust gas cools down after turbine expansion does work into cooling device, then is compressed to atmospheric pressure through compressor and is discharged into air, this
A process is known as inverse Bo Leideng and cycles.It solves the problems, such as that the exhaust energy of internal combustion engine in the prior art is under-utilized, simultaneously
It solves in the prior art since power turbine acting ability is limited, the exhaust energy that can not further do not recycle internal combustion engine is asked
Topic.Exhaust energy is further recycled by using the inverse Bo Leideng circulatory systems, is solved in the prior art due to using two-stage whirlpool
Wheel supercharging still has portion energy that can not recycle, and the problem of be not suitable for power of IC engine demand little situation.
Meanwhile motor and turbo charge system and the inverse Bo Leideng circulatory systems are connected by shafting, and controlled by clutch dynamic
Power is transmitted, and motor can freely be controlled to carry out power output or obtain dynamic power, while turbine response characteristic is improved,
The further exhaust energy for utilizing engine.
(2) technical solution
To solve the above problems, the present invention provides a kind of internal-combustion engine system, including：Internal combustion engine sets air inlet thereon
And exhaust outlet；First turbine, entrance are communicated to the exhaust outlet of the internal combustion engine；First compressor, entrance connection air, goes out
Mouth is communicated to the air inlet of the internal combustion engine；Second turbine, entrance are communicated to the outlet of first turbine；Second calms the anger
Machine, entrance are communicated to the outlet of second turbine, outlet to air；Motor is exchanged with the external world by shaft and moved
Power；First turbine is connected by the first shafting with first compressor, is carried out for first compressor to be driven to rotate
Compressed action；Second turbine by the connection coaxial with second compressor and motor of the second shafting, for drive this
The rotation of two compressors is compressed acting and motor rotation generates electricity.
Further, first clutch is installed in second shafting, first clutch installation site is between described second
Between turbine and the motor, for controlling the power transmission between second turbine and the motor.
Further, the 3rd coupling of shaft system, passing power are passed through between first shafting and second shafting.
Further, the link position of the 3rd shafting and second shafting is in the motor and the first clutch
Between.
Further, equipped with second clutch in the 3rd shafting, for controlling the motor and first compressor
Between power transmission.
Further, the internal-combustion engine system further includes：Charge air cooler, entrance are communicated to the outlet of first compressor,
Outlet for cooling down the gas of the first compressor discharge, and increases the internal combustion to the air inlet of the internal combustion engine
The density of the induced air of machine.
Further, the charge air cooler is air-cooled or water cooling heat exchanger.
Further, the internal-combustion engine system further includes：Cooling device is arranged on second turbine and the second compressor
Between, for cooling down the gas of the second turbine discharge.
Further, the cooling device is in thermoelectric conversion member, Rankine cycle system and organic rankine cycle system
It is at least one.
Further, the entrance of the thermoelectric conversion member is communicated to the outlet of the turbine, outlet to described second
The thermal energy of absorption for cooling down the gas of the turbine discharge, and is converted into electric energy output by the entrance of compressor.
Further, the Rankine cycle system or organic rankine cycle system include：First heat exchanger components, first entrance
The outlet of second turbine is communicated to, first outlet is communicated to the entrance of second compressor；Steam turbine, entrance connection
To the second outlet of first heat exchanger components；Second heat exchanger components, entrance are communicated to the outlet of the steam turbine；Pump,
Entrance is communicated to the outlet of second heat exchanger components, outlet to the second entrance of first heat exchanger components；The vapour
Turbine exports power by the 4th shafting；The Rankine cycle system or organic rankine cycle system are used to cool down second whirlpool
The gas of discharge is taken turns, while the heat of absorption is converted into power output.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has following beneficial technique effect：
A kind of internal-combustion engine system provided by the invention, is connected in series two-stage turbine after internal combustion engine, and first order turbine leads to
It crosses a shafting and drives a compressor, form turbo charge system, improve the dynamic property of internal combustion engine, second level turbine passes through axis
System drives another compressor, forms the inverse Bo Leideng circulatory systems, further recycles the exhaust energy of internal combustion engine, solve existing
The problem of exhaust energy of internal combustion engine is under-utilized in technology, while solve in the prior art due to power turbine acting ability
It is limited, the problem of can not further recycling the exhaust energy of internal combustion engine.It is further recycled by using the inverse Bo Leideng circulatory systems
Exhaust energy is solved in the prior art due to still having portion energy that can not recycle using two turbocharging, and
Not the problem of not being suitable for power of IC engine demand little situation.Meanwhile motor is followed with turbo charge system and inverse Bo Leideng
Loop system is connected by shafting, and controls power transmission by clutch, can freely control motor carry out power output or
Person obtains dynamic power, while turbine response characteristic is improved, the further exhaust energy for utilizing engine.
The internal-combustion engine system of the present invention absorbs the thermal energy of exhaust gas by thermoelectric material, reduces the temperature of gas, while heat
The thermal energy of absorption is also converted into electric energy by electric material, further improves the recovery utilization rate of the exhaust energy of internal combustion engine.
The internal-combustion engine system of the present invention can also utilize Rankine cycle system and organic rankine cycle system will inverse Bo Leideng
The heat that heat exchanger in the circulatory system absorbs is recycled, and further improves the recycling profit of the exhaust energy of internal combustion engine
With rate.
Description of the drawings
Fig. 1 is the structure diagram of turbocharged internal engine system in the prior art；
Fig. 2 is the internal-combustion engine system composition schematic diagram that the embodiment of the present invention one provides；
Fig. 3 is the internal-combustion engine system structure diagram that the embodiment of the present invention one provides；
Fig. 4 is internal-combustion engine system structure diagram provided by Embodiment 2 of the present invention；
Fig. 5 is the internal-combustion engine system structure diagram that the embodiment of the present invention four provides；
Fig. 6 is the internal-combustion engine system structure diagram that the embodiment of the present invention five provides；
Fig. 7 is the internal-combustion engine system structure diagram that the embodiment of the present invention six provides.
Reference numeral：
1st, internal combustion engine, the 2, first turbine, the 3, first compressor, the 4, second turbine, the 5, second compressor, 6, motor, 7,
One shafting, the 8, second shafting, the 9, the 3rd shafting, 10, first clutch, 11, second clutch, 12, charge air cooler, 131, thermoelectricity turns
Change component, the 132, first heat exchanger components, 133, steam turbine, the 134, second heat exchanger components, 135, pump, the 136, the 4th shafting, 137,
3rd heat exchanger components.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.In addition, in the following description, the description to known features and technology is omitted, to avoid this is unnecessarily obscured
The concept of invention.
Embodiment one
Fig. 2 is the internal-combustion engine system composition schematic diagram that the embodiment of the present invention one provides.
Fig. 3 is the internal-combustion engine system structure diagram that the embodiment of the present invention one provides.
Fig. 2, Fig. 3 are refer to, the present invention provides a kind of internal-combustion engine system, including：Internal combustion engine 1, the first turbine 2, first pressure
Mechanism of qi 3, the second turbine 4, the second compressor 5, motor 6, the first shafting 7, the second shafting 8, the 3rd shafting 9.
Internal combustion engine 1 sets air inlet and exhaust outlet thereon.Internal combustion engine 1 is a kind of dynamic power machine, by making fuel in inside
Burning, and the thermal energy that fuel combustion is released is converted directly into the Thermal Motor of power.
First turbine 2, entrance are communicated to the exhaust outlet of internal combustion engine 1, outlet to the second turbine 4.
First compressor 3, entrance connection air, the air inlet of outlet to internal combustion engine 1, after will be atmospheric compressed
It is sent into 1 inside of internal combustion engine and participates in work by combustion, improve the dynamic property of internal combustion engine 1.
Second turbine 4, entrance are communicated to the outlet of the first turbine 2, outlet to the second compressor 5.
Second compressor 5, entrance are communicated to the outlet of the second turbine 4, outlet to air, for by the second turbine
It is discharged to after the gas compression of 4 discharges in air.
First turbine 2 is connected by the first shafting 7 with the first compressor 3, is carried out for first compressor 3 to be driven to rotate
Compressed action.
Second turbine 4 is connected by the second shafting 8 with the second compressor 5, is carried out for second compressor 5 to be driven to rotate
Compressed action.Second turbine 4 inputs power to motor 6 by the second shafting 8, and driving motor 6 rotates power generation.
First clutch 10 is installed to control power transmission between second turbine 4 and motor 6.
It is connected between first shafting 7 and the second shafting 8 by the 3rd shafting 9, second clutch is installed in the 3rd shafting 9
11 control power transmission.
Refer to Fig. 2, the link position between the 3rd shafting 9 and the second shafting 8 motor 6 and first clutch 10 it
Between.
Fig. 2 is refer to, in the present embodiment, internal-combustion engine system further includes charge air cooler 12, and entrance is communicated to first and calms the anger
The outlet of machine 3, the air inlet of outlet to internal combustion engine 1 for cooling down the gas of the first compressor 3 discharge, and increase internal combustion
The density of the induced air of machine 1.
Fig. 3 is refer to, optionally, charge air cooler 12 is air-cooled or water cooling heat exchanger, but the present invention is not limited system.
Fig. 2 is refer to, in the present embodiment, internal-combustion engine system further includes cooling device 13, is arranged on 4 He of the second turbine
Between second compressor 5, for cooling down the gas of the second turbine 4 discharge.
Fig. 3 is refer to, in the present embodiment, cooling device 13 is thermoelectric conversion member 131, thermoelectric conversion member 131
Entrance is communicated to the outlet of the second turbine 4, the entrance of outlet to the second compressor 5, for cooling down the discharge of the second turbine 4
Gas, and the thermal energy of absorption is converted into electric energy output.
Optionally, the material of thermoelectric conversion member 131 is thermoelectric material, and thermoelectric material is that one kind can convert heat into
The material of electric energy.
Fig. 3 is refer to, specifically, the first turbine 2, the first compressor 3 are connected by the first shafting 7, the first turbine 2 drives
First compressor 3 rotates compressed air.Second turbine 4, the second compressor 5 are connected by the second shafting 8, and the second turbine 4 drives
Second compressor 5 rotates, while the second turbine 4 connects motor 6 by the second shafting 8, and driving motor 6 rotates power generation.First from
Clutch 10 is mounted between the second turbine 4 and motor 6, and the second turbine 4 of control is to the power transmission of motor 6, second clutch 11
In the 3rd shafting 9, the power transmission between 6 and first compressor 3 of motor is controlled.According to gas flow direction, component
Arrangement be followed successively by the first compressor 3, charge air cooler 12, internal combustion engine 1, the first turbine 2, the second turbine 4, thermoelectric conversion member
131 and second compressor 5.Wherein, the first turbine 2, the first compressor 3 and charge air cooler 12 form turbo charge system；Second whirlpool
The 4, second compressor 5 of wheel and thermoelectric conversion member 131 form the inverse Bo Leideng circulatory systems, and exhaust gas is done by the expansion of the second turbine 4
Work(, the process for being compressed to atmospheric pressure after being cooled down using thermoelectric conversion member 131 into the second compressor 5 are known as following against Bo Leideng
Ring.
The operation principle of the internal-combustion engine system of the present invention is described below：
It refer to Fig. 2, for the exhaust gas that the work of internal combustion engine 1 generates into 2 expansion work of the first turbine, the first turbine 2 passes through the
One shafting 7 is connected with the first compressor 3, and the first compressor 3 of driving rotates, compressed air, makes the admission pressure of internal combustion engine 1 and close
Degree increase, after being cooled down using charge air cooler 12, makes the density of the induced air of internal combustion engine 1 further increase, and is conducive to improve internal combustion engine 1
Dynamic property.Enter internal combustion engine 1 and mixed with fuel by being pressurized air after cooling and burn.
Gas after the expansion of the first turbine 2 still has higher temperature and pressure, and it is swollen to be again introduced into the second turbine 4
Swollen acting, the second turbine 4 are connected by the second shafting 8 with the second compressor 5, and the second compressor 5 of driving rotates.Second compressor
5 outlet is atmospheric environment, and vacuum environment can be formed in its input end by the rotation compressed air of the second compressor 5.The
The outlet of two turbines 4 and the inlet pressure of the second compressor 5 are almost equal, are only produced through piping and thermoelectric conversion member 131
The raw pressure loss, and this partial loss very little, therefore, the outlet pressures subatmospheric of the second turbine 4.By the first whirlpool
Gas after 2 expansion of wheel still has higher temperature and pressure, is expanded into the second turbine 4 below atmospheric pressure, expansion ratio
Larger, acting is more, that is, has recycled more exhaust energies.Exhaust gas by the second turbine 4 passes through thermoelectric conversion member
131 are cooled down, and gas temperature reduces.The engine exhaust gas of identical mass flow is calmed the anger by the expansion of the second turbine 4 and second
Machine 5 compresses, and temperature and pressure into 4 gas of the second turbine are far below due to the gas temperature and pressure that enter the second compressor 5
Power, therefore the wasted work of compressed gas can be smaller.Second turbine 4 is connected with by the second shafting 8 with motor 6, by remaining machine
Tool energy driving motor 6 generates electricity.
Meanwhile first clutch 10 is installed between the second turbine 4 and motor 6, to control the second turbine 4 and motor 6
Between power transmission.It is connected between first shafting 7 and the second shafting 8 by the 3rd shafting 9, is equipped in the 3rd shafting 9
Two clutches 11, for controlling the power transmission between 6 and first compressor 3 of motor.First clutch 10 and second clutch
11 connecting and disconnecting are determined by the operating condition of internal combustion engine 1, when internal combustion engine 1 operates in speed operation, first clutch 10
It disconnects, second clutch 11 is connected, and motor 6 is connected with the first shafting 7, and motor 6 consumes electric energy at this time, externally exports power, auxiliary
It helps the first turbine 2 that the first compressor 3 is driven to rotate compressed air, improves dynamic property of the internal combustion engine 1 under speed operation, improve whirlpool
The low speed response characteristic of wheel only utilizes the useless of the first turbine 2 of discharge against Bo Leideng systems by thermoelectric conversion member 131 at this time
Gas energy；When internal combustion engine 1 operates in high speed operating mode, first clutch 10 is connected, and second clutch 11 disconnects, motor 6 with
Second shafting 8 is connected, and 4 driving motor 6 of the second turbine rotates, and motor 6 consumes mechanical energy at this time, is converted into electric energy, inverse at this time vigorous
Thunder steps on system and inputs mechanical energy to motor 6 by 131 and second turbine 4 of thermoelectric conversion member come while using by the first whirlpool
Exhaust energy after wheel 2 improves exhaust energy utilization rate.The internal-combustion engine system of the present invention, by two clutch difference works
Open and close controlling under condition realizes that the turbine quick response under speed operation, power increase and exhaust energy utilizes and high speed
The effect that exhaust energy further utilizes under operating mode promotes the overall performance of internal-combustion engine system.
Embodiment two
In the technical solution of embodiment one, thermoelectric conversion member 131 absorbs the heat of exhaust gas, can reach reduction exhaust gas
The purpose of temperature, and the thermal energy of absorption is converted into electric energy output.In addition to thermoelectric conversion member 131, Rankine cycle can also reach
Cool down to exhaust gas and utilize the purpose of exhaust energy.Therefore, heat to electricity conversion portion is replaced using Rankine cycle system in the present embodiment
Part 131 is further recycled this partial heat that the first heat exchanger components 132 absorb, to improve the utilization of energy
Rate.
It refer to Fig. 4, in the present embodiment, Rankine cycle system includes the first heat exchanger components 132, steam turbine 133, second changes
Thermal part 134 and pump 135.
The first entrance of first heat exchanger components 132 is communicated to the outlet of the second turbine 4, and first outlet is communicated to second and calms the anger
The entrance of machine 5.
The entrance of steam turbine 133 is communicated to the second outlet of the first heat exchanger components 132.
The entrance of second heat exchanger components 134 is communicated to the outlet of steam turbine 133.
Optionally, the second heat exchanger components 134 are air-cooled or water cooling heat exchanger, but the present invention is not limited system.
The entrance of pump 135 is communicated to the outlets of the second heat exchanger components 134, and the of outlet to the first heat exchanger components 132
Two entrances.
Steam turbine 133 exports power by the 4th shafting 136.Specifically, one end of the 4th shafting 136 and steam turbine 133
Connection, the other end export power to external power set.
Rankine cycle system is for cooling down the gas of the second turbine 4 discharge, while it is defeated that the heat of absorption is converted into power
Go out, further recycle the exhaust energy of internal combustion engine 1, improve the utilization rate of energy.
Specifically, pump 135 provides power for the flowing of the working medium of Rankine cycle system, working medium passes through the first heat exchanger components
132, carry out heat exchange with the exhaust gas discharged from the second turbine 4.The working medium of Rankine cycle system is heated, and exhaust gas is cooled.Quilt
Working medium after heating enters steam turbine 133, the expansion work in steam turbine 133, and the mechanical energy for generation of doing work passes through the 4th shafting
136 outputs.Working medium after expansion is cooled down into the second heat exchanger components 134, is entered back into pump 135 and is cycled.This method can be into
One step recycles the exhaust energy of internal combustion engine 1, improves capacity usage ratio.
In the structure and connection relation and clutch control strategy of other parts in the present embodiment and embodiment one
Identical, details are not described herein.
Embodiment three
The present embodiment and embodiment two the difference is that, Rankine cycle system is replaced using organic rankine cycle system
System.
The structure of organic rankine cycle system and Rankine cycle system, composition and operation principle all same, difference only exist
It is water in, cycle fluid in Rankine cycle system, the cycle fluid in organic rankine cycle system is organic matter.
In the structure and connection relation and clutch control strategy of other parts in the present embodiment and embodiment three
Identical, details are not described herein.
Example IV
Refer to Fig. 5, the present embodiment with embodiment one and embodiment two the difference is that, the cooling in the present embodiment
The gas that device 13 simultaneously discharges the second turbine 4 using 131 and the 3rd heat exchanger components 137 of thermoelectric conversion member cools down,
Cooling effect can further be increased so that the second turbine 4 there can be more remaining mechanical energy to be exported, while can be with
The thermal energy that thermoelectric conversion member 131 absorbs is converted into electric energy output, further utilizes the exhaust energy of the first turbine 2 of discharge.
Fig. 5 is refer to, specifically, the gas of the second turbine 4 discharge, first passes through thermoelectric conversion member 131, using the 3rd
Heat exchanger components 137 are communicated to the entrance of the second compressor 5, i.e. the entrance of thermoelectric conversion member 131 is communicated to going out for the second turbine 4
Mouthful, the entrance of outlet to the 3rd heat exchanger components 137, outlet the entering to the second compressor 5 of the 3rd heat exchanger components 137
Mouthful.
The present invention is not limited system, and the gas of the second turbine 4 discharge can also first pass through the 3rd heat exchanger components 137, then
The entrance of the second compressor 5 is communicated to by thermoelectric conversion member 131, i.e. the entrance of the 3rd heat exchanger components 137 is communicated to second
The outlet of turbine 4, the entrance of outlet to thermoelectric conversion member 131, the outlet of thermoelectric conversion member 131 are pressed to second
The entrance of mechanism of qi 5.
In the structure and connection relation and clutch control strategy of other parts in the present embodiment and embodiment one
Identical, details are not described herein.
Embodiment five
Refer to Fig. 6, the present embodiment with embodiment one and embodiment two the difference is that, the cooling in the present embodiment
Device 13 is to be combined the Rankine cycle system in the thermoelectric conversion member 131 and embodiment two in embodiment one, i.e., same
The gas that Shi Caiyong thermoelectric conversion members 131 and Rankine cycle system discharge the second turbine 4 cools down, and is increasing cooling effect
While fruit, the heat that the first heat exchanger components 132 absorb further is recycled, to improve the utilization rate of energy.
Fig. 6 is refer to, specifically, the gas of the second turbine 4 discharge, first passes through hot spot converting member 131, using Rankine
The first heat exchanger components 132 in the circulatory system are communicated to the entrance of the second compressor 5, i.e. the entrance of thermoelectric conversion member 131 connects
The outlet of the second turbine 4 is led to, the first entrance of outlet first heat exchanger components 132 into Rankine cycle system, first changes
The first outlet of thermal part 132 is communicated to the entrance of the second compressor 5.
The present invention is not limited system, the gas of the second turbine 4 discharge, can also first pass through the in Rankine cycle system
One heat exchanger components 132 are communicated to the entrance of the second compressor 5 using thermoelectric conversion member 131, i.e., in Rankine cycle system
The first entrance of one heat exchanger components 132 is communicated to the outlet of the second turbine 4, and first outlet is communicated to thermoelectric conversion member 131
Entrance, the entrance of the outlet of thermoelectric conversion member 131 to the second compressor 5.
In the structure and connection relation and clutch control strategy of other parts in the present embodiment and embodiment one
Identical, details are not described herein.
Implementation column six
Refer to Fig. 7, the present embodiment with embodiment one to embodiment five the difference is that, the cooling in the present embodiment
Device 13 is by having in the thermoelectric conversion member 131 in embodiment one, the Rankine cycle system in embodiment two, embodiment three
The 3rd heat exchanger components 137 in machine Rankine cycle system and example IV are combined, i.e., simultaneously using thermoelectric conversion member
131st, Rankine cycle system, organic rankine cycle system and the 3rd heat exchanger components 137 carry out the gas that the second turbine 4 is discharged cold
But, while cooling effect is increased, the thermal energy that thermoelectric conversion member 131 absorbs can also be converted into electric energy output, simultaneously
The thermal energy that first heat exchanger components 132 absorb further is recycled by Rankine cycle or organic rankine cycle system, to carry
The utilization rate of high-energy.
Specifically, the gas of the second turbine 4 discharge, first passes through thermoelectric conversion member 131, using Rankine cycle system,
Then pass through the 3rd heat exchanger components 137, the entrance of the second compressor 5 is finally communicated to by the 3rd heat exchanger components 137.
The present invention is not limited system, and the gas of the second turbine 4 discharge can also first pass through Rankine cycle, organic Rankine
Xun Huan, thermoelectric conversion member 131 are finally communicated to the entrance of the second compressor 5 by the 3rd heat exchanger components 137.
In the present embodiment, thermoelectric conversion member 131, Rankine cycle system and organic rankine cycle system, the 3rd heat exchange
The distributing order of component 137 includes but not limited to above-mentioned several orders, thermoelectric conversion member 131, Rankine cycle system and organic
Rankine cycle system, the 3rd heat exchanger components 137 can also sequentially be arranged with other, and specific distributing order can be according to reality
It needs suitably to be adjusted.
In the structure and connection relation of other parts in the present embodiment and the control strategy of clutch and embodiment one
It is identical, details are not described herein.
In above-described embodiment two, embodiment five, the Rankine cycle system in cooling device 13 can also use organic Rankine
The circulatory system replaces.
It is contemplated that protecting a kind of internal-combustion engine system, internal-combustion engine system of the invention utilizes two groups of whirlpools of clutch control
The power transmission of wheel system realizes under internal combustion engine speed operation under electric boosted supercharging and high-speed working condition exhaust energy into one
The function of recycling is walked, while thermoelectric material uses so that engine exhaust energy can also obtain further profit under speed operation
With greatly improving the overall performance of engine.The internal-combustion engine system of the present invention can also utilize Rankine cycle system will inverse vigorous thunder
The heat that the heat exchanger stepped in the circulatory system absorbs is recycled, and further improves the recycling of the exhaust energy of internal combustion engine
Utilization rate.
In the description of the present invention, it is necessary to which explanation, term " first ", " second ", " the 3rd ", " the 4th " are only used for retouching
Purpose is stated, and it is not intended that instruction or hint relative importance.
It should be appreciated that the above-mentioned specific embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into scope and border or this scope and the equivalents on border and repairing
Change example.
Claims (11)
1. a kind of internal-combustion engine system, which is characterized in that including：
Internal combustion engine (1) sets air inlet and exhaust outlet thereon；
First turbine (2), entrance are communicated to the exhaust outlet of the internal combustion engine (1)；
First compressor (3), entrance connection air, outlet to the air inlet of the internal combustion engine (1)；
Second turbine (4), entrance are communicated to the outlet of first turbine (2)；
Second compressor (5), entrance are communicated to the outlet of second turbine (4), and the outlet of second compressor (5) connects
Lead to air；
Motor (6) is connected by rotation axis with the external world；
First turbine (2) is connected by the first shafting (7) with first compressor (3), for this to be driven first to calm the anger
Machine (3) rotation is compressed acting；
Second turbine (4) is used by the second shafting (8) connection coaxial with second compressor (5) and the motor (6)
In driving, second compressor (5) rotation is compressed acting and motor (6) rotation generates electricity；
First shafting (7) is connected with the second shafting (8) by the 3rd shafting (9), for the power transmission between two shaftings.
2. system according to claim 1, which is characterized in that further include：
First clutch (10) is installed on the second shafting (8), installation site between second turbine (4) with it is described
Between motor (6).
3. according to the system described in 1 or 2 any one of claim, which is characterized in that
The link position of 3rd shafting (9) and second shafting (8) is between the motor (6) and the first clutch
(10) between.
4. system according to claim 1, which is characterized in that further include：
Second clutch (11) is installed on the 3rd shafting (9).
5. system according to claim 1, which is characterized in that further include：
Charge air cooler (12), entrance are communicated to the outlet of first compressor (3), and the outlet of the charge air cooler (12) arrives
The air inlet of the internal combustion engine (1) for cooling down the gas of the first compressor (3) discharge, and increases the internal combustion engine (1)
Density of the induced air.
6. system according to claim 5, which is characterized in that
The charge air cooler (12) is air-cooled or water cooling heat exchanger.
7. system according to claim 1, which is characterized in that further include：
Cooling device (13) is arranged between second turbine (4) and the second compressor (5), for cooling down described second
The gas of turbine (4) discharge.
8. system according to claim 7, which is characterized in that
The cooling device (13) be thermoelectric conversion member (131), Rankine cycle system and organic rankine cycle system in extremely
Few one kind.
9. system according to claim 8, which is characterized in that
The entrance of the thermoelectric conversion member (131) is communicated to the outlet of second turbine (4), the thermoelectric conversion member
(131) outlet to second compressor (5) entrance, for cooling down the gas of second turbine (4) discharge, and
The thermal energy of absorption is converted into electric energy output.
10. system according to claim 8, which is characterized in that the Rankine cycle system or organic rankine cycle system
Including：
First heat exchanger components (132), first entrance are communicated to the outlet of second turbine (4), first heat exchanger components
(132) first outlet is communicated to the entrance of second compressor (5)；
Steam turbine (133), entrance are communicated to the second outlet of first heat exchanger components (132)；
Second heat exchanger components (134), entrance are communicated to the outlet of the steam turbine (133)；
It pumps (135), entrance is communicated to the outlet of second heat exchanger components (134), the outlet for pumping (135) to institute
State the second entrance of the first heat exchanger components (132)；
The steam turbine (133) exports power to power set by the 4th shafting (136)；
The Rankine cycle system or organic rankine cycle system are used to cool down the gas of the second turbine (4) discharge, simultaneously
The heat of absorption is converted into power output.
11. system according to claim 10, which is characterized in that
The power set are generator or the bent axle of the internal combustion engine (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276285.1A CN108087103A (en) | 2017-12-06 | 2017-12-06 | A kind of internal-combustion engine system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276285.1A CN108087103A (en) | 2017-12-06 | 2017-12-06 | A kind of internal-combustion engine system |
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| CN108087103A true CN108087103A (en) | 2018-05-29 |
Family
ID=62174411
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711276285.1A Pending CN108087103A (en) | 2017-12-06 | 2017-12-06 | A kind of internal-combustion engine system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098841A (en) * | 2018-08-11 | 2018-12-28 | 芜湖市新海域智能科技有限公司 | A kind of automobile engine using new energy resources energy-saving emission-reducing apparatus |
| CN112360578A (en) * | 2020-10-26 | 2021-02-12 | 北京动力机械研究所 | Self-adaptive closed circulation thermoelectric conversion system |
| CN114294105A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Power turbine system providing boost compensation and torque assist and method of utilizing same |
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| CN206071714U (en) * | 2016-08-23 | 2017-04-05 | 浙江吉利罗佑发动机有限公司 | A kind of double pressurized constructions of turbocharged engine |
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| CN101328832A (en) * | 2007-06-21 | 2008-12-24 | 曼柴油机欧洲股份公司 | Turbine engine with power turbine |
| DE102015215518A1 (en) * | 2015-08-14 | 2017-02-16 | Bayerische Motoren Werke Aktiengesellschaft | System for recovering energy from the exhaust gas of an internal combustion engine |
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| CN112360578B (en) * | 2020-10-26 | 2022-11-22 | 北京动力机械研究所 | Self-adaptive closed circulation thermoelectric conversion system |
| CN114294105A (en) * | 2021-11-19 | 2022-04-08 | 东风商用车有限公司 | Power turbine system providing boost compensation and torque assist and method of utilizing same |
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Application publication date: 20180529 |