CN207892700U - A kind of internal-combustion engine system - Google Patents
A kind of internal-combustion engine system Download PDFInfo
- Publication number
- CN207892700U CN207892700U CN201721872368.2U CN201721872368U CN207892700U CN 207892700 U CN207892700 U CN 207892700U CN 201721872368 U CN201721872368 U CN 201721872368U CN 207892700 U CN207892700 U CN 207892700U
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- Prior art keywords
- combustion engine
- internal
- internal combustion
- turbine
- compressing device
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 56
- 230000001052 transient effect Effects 0.000 abstract description 7
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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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- Supercharger (AREA)
Abstract
The application provides a kind of internal-combustion engine system, including：Internal combustion engine；Turbine is connected to the exhaust port of the internal combustion engine and receives the gas of the internal combustion engine discharge；Compressing device is connected to the air inlet port of the internal combustion engine and supplies the gas through supercharging to the internal combustion engine；Wherein, the turbine is connect with a power generator, and the power generator can be driven to produce electricl energy, and the electric energy is supplied to the compressing device.Have the characteristics that transient response is good, overall performance and emission level are excellent, exhaust energy utilization rate is high, space layout is convenient according to the internal-combustion engine system of the application.
Description
Technical field
This application involves internal-combustion engine systems, and are specifically related to marine internal combustion engine system.
Background technology
The maximum power that internal combustion engine can be sent out mainly is determined by the released heat of cylinder fuel burning, and the heat
Size limited by cylinder air amount is often recycled into.The exhaust gas energy that exhaust-driven turbo-charger exhaust-gas turbo charger is discharged by using engine
Amount improves admission pressure, can effectively increase the air inflow of engine, be widely used at present in marine internal combustion engine field.
But the system still has following disadvantage：
(1) performance indicator is poor under low engine speeds.When the slow-speed of revolution due to engine exhaust energy deficiency, secondary speed compared with
Low, exhaust-driven turbo-charger exhaust-gas turbo charger is often difficult to play a role, and establishes effective admission pressure.Such characteristic also determines exhaust gas whirlpool
Wheel supercharging haves the shortcomings that the margin of power is small, soot exhaust amount is big in low engine speeds；
(2) transient response is poor.After engine transient load, fuel system can increase sharply circulating fuel injection quantity, to adapt to
The power demand of engine, and exhaust-driven turbo-charger exhaust-gas turbo charger from exhaust energy change to establish the needs of new admission pressure compared with
For a long time, turbo-charged engine is caused to occur the phenomenon that stabilization period is long, soot exhaust amount is big in loading procedure；
(3) exhaust energy utilization rate is relatively low.Delivery temperature after ship middling speed internal combustion engine turbocharger is up to 300-400
DEG C, 25% fuel oil energy is still contained in engine exhaust and is not yet utilized.And to prevent engine from mechanical load occur
Transfinite, booster hypervelocity the problems such as, partial engine uses exhaust gas bypass technology in high operating mode, and an exhaust gas is directly discharged into
In air, larger energy dissipation is caused, while causing environmental problem.
Utility model content
The purpose of the application is to provide a kind of internal-combustion engine system, can eliminate or at least improve the above-mentioned of the prior art and ask
Topic.
The application provides a kind of internal-combustion engine system, including：Internal combustion engine；Turbine is connected to the exhaust end of the internal combustion engine
Mouth and the gas for receiving the internal combustion engine discharge；Compressing device is connected to the air inlet port of the internal combustion engine and to the internal combustion
Machine supplies the gas through supercharging；Wherein, the turbine is connect with a power generator, and the power generator can be driven to generate
Electric energy, the electric energy are supplied to the compressing device.
According to the internal-combustion engine system of the application, the compressing device is driven by actuation means.
According to the internal-combustion engine system of the application, the operation of the compressing device is independently of the turbine.
According to the internal-combustion engine system of the application, the power generator is connected to power grid, and electric energy is supplied to by the power grid
The actuation means.
According to the internal-combustion engine system of the application, the actuation means include motor.
In the exhaust end of internal combustion engine, the utility model blows turbine, turbine drives generator rotation hair by exhaust gas
Electricity is incorporated to network of ship through frequency converter, is used for equipment such as electronic superchargings.Compared with exhaust turbocharging system, in the system
Mechanical connection between turbine and compressing device is efficiently separated, and the apolegamy of turbine and its control of operation area are made, can
To be up to target with exhaust capacity utilization rate, without considering the matching relationship between turbine and compressor, engine, effectively
It avoids bypassing portion to air, improves the exhaust energy utilization rate of engine.Turbine, compressing device mounting arrangements
Degree of freedom is also further promoted, convenient for being considered as a whole according to the actual conditions of work.
Description of the drawings
The following drawings of the utility model is used to understand the utility model in this as the part of the utility model.Attached drawing
In show the embodiments of the present invention and its description, for explaining the principles of the present invention.In the accompanying drawings,
Fig. 1 shows the schematic diagram of the internal-combustion engine system according to the application.
Specific implementation mode
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It will be apparent, however, to one skilled in the art that the utility model may not need it is one or more of these thin
It saves and is carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
Fig. 1 shows the schematic diagram of the internal-combustion engine system according to the application.The system includes frequency converter 2, generator 3, turbine
Machine 4, internal combustion engine 5, compressing device 6 and motor 7.Compressing device 6 is connected to the air inlet port of internal combustion engine 5, and fresh air is through pressure
Device of air 6 is supplied to internal combustion engine 5 after being pressurized.The intake and exhaust direction of internal combustion engine 5 is as shown by arrows in figure.
Turbine 4 is connected to the exhaust port of internal combustion engine 5.After the gas that internal combustion engine 5 is discharged enters turbine 4 by the road,
Turbine 4 is pushed to rotate, turbine 4 is mechanically connected with generator 3, and then can drive the rotation power generation of generator 3.The electric energy of generation
Such as it can be connected to the grid after frequency converter 2.In marine internal combustion engine field, the electric energy that turbine drives generator generates may be incorporated into ship
Oceangoing ship power grid, thus, it is possible to alleviate the electrical problem on ship.
Turbine 4 can determine geometry turbine or variable cross section turbine, more optimizedly use variable cross section turbine, sending out
The different operating modes of motivation operation effectively improve turbine efficiency, improve exhaust energy utilization by adjusting the circulation area of turbine
Rate.
It recycles the gas that internal combustion engine 5 is discharged to generate electricity as power source drive generator 3, not only solves gas direct emission
The pollution problem brought, while energy dissipation is avoided by the energy in gas recovery.
The electric energy that generator 3 generates can be used for driving the motor 7 connecting with compressing device 6, therefore, turbine 4 and pressure
Without mechanical connection between device of air 6, i.e., the operation of compressing device 6 is independently of turbine 4.
The electric energy that generator 3 generates also can pass through frequency converter 2 as shown in Figure 1 and access network of ship, make for compressing device 6 etc.
With.In the air inlet port side of internal combustion engine 5, network of ship is powered through frequency converter 8 to motor 7, motor 7 and 6 machine of compressing device
Tool connects, and then compressing device 6 is driven to be pressurized, and the fresh air of supercharging is provided to internal combustion engine 5.Motor 7 can be according to internal combustion engine 5
Demand of the different operating modes (high and low, transient state) to pressurized air is operated in adjust rotating speed and power, compressing device 6 is made to transport always
Row improves pressure charging system efficiency, improves transient response and overall performance in high efficient area.
According to the internal-combustion engine system of the application, compressing device 6 is individually connect with turbine 4, is not only greatly simplified
System, and since its pressure ratio is not limited by internal-combustion engine rotational speed or exhaust energy, it can be according to interior in whole service region
The actual demand of the air inflow of combustion engine is freely adjusted, and optimizes the performance and discharge index of internal combustion engine full working scope.In addition, motor adds
Fast better performances can be such that air inlet is pressurized rapidly, be effectively improved internal combustion engine transient characteristic according to the power demand of internal combustion engine, reduce
Soot exhaust in anxious loading procedure.
Therefore, according to the internal-combustion engine system of the application with transient response is good, overall performance and emission level are excellent, exhaust
The features such as capacity usage ratio is high, space layout facilitates.
In addition to for boat diesel engine, the application can be used for other engine other fields, reach energy-saving and environment-friendly purpose.
The utility model is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is
Purpose for illustrating and illustrating, and be not intended to limit the invention within the scope of described embodiment.In addition ability
Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, and introduction according to the present utility model is also
More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model range claimed with
It is interior.The scope of protection of the utility model is defined by the appended claims and its equivalent scope.
Claims (5)
1. a kind of internal-combustion engine system, which is characterized in that including：
Internal combustion engine；
Turbine is connected to the exhaust port of the internal combustion engine and receives the gas of the internal combustion engine discharge；
Compressing device is connected to the air inlet port of the internal combustion engine and supplies the gas through supercharging to the internal combustion engine；
Wherein, the turbine is connect with a power generator, and the power generator can be driven to produce electricl energy, the electric energy quilt
It is supplied to the compressing device.
2. internal-combustion engine system according to claim 1, which is characterized in that the compressing device is driven by actuation means
It is dynamic.
3. internal-combustion engine system according to claim 1, which is characterized in that the operation of the compressing device is independently of the whirlpool
Turbine.
4. internal-combustion engine system according to claim 2, which is characterized in that the power generator is connected to power grid, passes through institute
It states power grid and supplies power to the actuation means.
5. internal-combustion engine system according to claim 4, which is characterized in that the actuation means include motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721872368.2U CN207892700U (en) | 2017-12-28 | 2017-12-28 | A kind of internal-combustion engine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721872368.2U CN207892700U (en) | 2017-12-28 | 2017-12-28 | A kind of internal-combustion engine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892700U true CN207892700U (en) | 2018-09-21 |
Family
ID=63549955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721872368.2U Active CN207892700U (en) | 2017-12-28 | 2017-12-28 | A kind of internal-combustion engine system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973207A (en) * | 2017-12-28 | 2019-07-05 | 中国船舶重工集团公司第七一一研究所 | A kind of internal-combustion engine system |
-
2017
- 2017-12-28 CN CN201721872368.2U patent/CN207892700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973207A (en) * | 2017-12-28 | 2019-07-05 | 中国船舶重工集团公司第七一一研究所 | A kind of internal-combustion engine system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee after: The 711 Research Institute of China Shipbuilding Corp. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: Shanghai Marine Diesel Engine Research Institute |