CN103233813A - Ignition-starting-type compression-ignition-type free piston internal combustion power generation power system - Google Patents
Ignition-starting-type compression-ignition-type free piston internal combustion power generation power system Download PDFInfo
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- CN103233813A CN103233813A CN201310124328XA CN201310124328A CN103233813A CN 103233813 A CN103233813 A CN 103233813A CN 201310124328X A CN201310124328X A CN 201310124328XA CN 201310124328 A CN201310124328 A CN 201310124328A CN 103233813 A CN103233813 A CN 103233813A
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Abstract
The invention relates to an ignition-starting-type compression-ignition-type free piston internal combustion power generation power system and belongs to the technical field of energy power. The system specifically comprises a first free piston combustion engine, a second free piston combustion engine and a linear generator. The first free piston combustion engine comprises a first piston, a first cylinder, a first compression ignition oil sprayer, a first ignition oil sprayer, a first spark plug, a first air inlet and a first air outlet. The second free piston combustion engine comprises a second piston, a second cylinder, a second compression ignition oil sprayer, a second ignition oil sprayer, a second spark plug, a second air inlet and a second air outlet. The linear generator comprises a linear generator rotor and a linear generator stator. The working process of the system comprises a starting process and a steady running process. The system can solve the starting problem, achieves compression ignition work and further improves energy saving and environment protection potential.
Description
Technical field
The present invention relates to a kind of priming type compression ignite type free-piston internal combustion power generation power system of lighting, belong to the energy source and power technical field.
Background technique
Free-piston internal combustion power generation power system is a kind of novel power device of rising in recent years, and its whole system comprises internal-combustion engine and linear electric generator two big modules.Be different from traditional type, this novel power device does not have connecting rod.Generally directly link to each other by connecting rod between internal-combustion engine module and the linear electric generator module, the mechanical energy that the former is transformed by heat energy can be converted into electric energy and outwards output in linear electric motor.Have benefited from its short power conveyer chain, its mechanical loss is lower than traditional type.Thereby on overall efficiency, the free piston IC power generation power system has higher room for promotion.Tackle increasingly serious energy problem, it has bigger potentiality to promote Economy.
Starting problem is a significant problem of restriction compression ignite type free-piston internal combustion power generation power system development.With regard to Principles of Internal-Combustion Engine, the combustion condition of the employed fuel oil of compression ignition type internal combustion engine is comparatively harsh, the level that the pressure of gas and temperature all need to reach quite high in the cylinder can make fuel spray into behind the cylinder can fire burns.On traditional type, because the existence of connecting rod and flywheel element is arranged, can impel gas in the jar to reach appropraite condition by installing modes such as actuating motor additional.Yet because free-piston internal combustion power generation power system particular structure is desired to make its mode with compression ignite to carry out work and is become particularly difficult.And than lighting mode of operation, the indexs such as the thermal efficiency of compression ignite type all have greater advantage.Use the compression ignite working method Economy of free-piston internal combustion power generation power system is being improved more, further discharge the energy-conserving and environment-protective potentiality of free-piston internal combustion power generation power system.Therefore, for realizing compression ignite work, need seek the starting problem that new technological approaches solves compression ignite type free-piston internal combustion power generation power system.
Summary of the invention
The objective of the invention is in order to solve the starting problem of compression ignite type free-piston internal combustion power generation power system in the prior art, propose a kind of priming type compression ignite type free-piston internal combustion power generation power system of lighting.
The objective of the invention is to be achieved through the following technical solutions.
A kind of priming type compression ignite type free-piston internal combustion power generation power system of lighting comprises first free piston internal combustion engine, second free piston internal combustion engine, linear electric generator.First free piston internal combustion engine comprises: first piston, first cylinder, the first compression ignite oil sprayer, first are lighted oil sprayer, first spark plug, first suction port, first relief opening.Second free piston internal combustion engine comprises: second piston, second cylinder, the second compression ignite oil sprayer, second are lighted oil sprayer, second spark plug, second suction port, second relief opening.Linear electric generator comprises: linear electric generator mover, linear generating machine stator.
Concrete annexation with upper-part is: first piston places in first cylinder, and oil sprayer lighted by the first compression ignite oil sprayer, first and first spark plug all is installed on first cylinder.First relief opening is positioned at the first cylinder upper surface, and first suction port is positioned at the first cylinder lower surface.Each constituent element is identical with structure and the Placement of constituent element in first free piston internal combustion engine in second free piston internal combustion engine.One end of linear electric generator mover is connected with the first piston of first free piston internal combustion engine, and the other end is connected with second piston of second free piston internal combustion engine, constitutes piston assembly jointly.
A kind of working procedure of lighting priming type compression ignite type free-piston internal combustion power generation power system of the present invention comprises starting process and steady state operation.Below be specifically described respectively:
1) starting process.In the starting process, the first piston of first free piston internal combustion engine is in certain position in first cylinder.This moment, the porting of first free piston internal combustion engine all was in closed condition.First light oil sprayer spray into the fuel that can light under the normal temperature state in first cylinder afterwards, the first spark plug work simultaneously is with the ignited fuel that sprays into.The high temperature and high pressure gas that produces promotes the piston assembly motion, compresses the gas in second cylinder.Second of second free piston internal combustion engine light oil sprayer and spray in second cylinder and light fuel usedly then, second spark plug makes the piston assembly reversing motion with ignited fuel.Back and forth light stable operation with these two free piston internal combustion engines, this moment, its maximum compression ratio kept stable.Second light oil sprayer and stop oil spout then, piston assembly continues under the effect of kinetic energy that gas arrives the required condition of compression ignite in compression second free piston internal combustion engine.The second compression ignite oil sprayer sprays into compression ignition fuel in cylinder, the moving piston assembly reversing motion of fire burns pusher.This moment, starting process finished.
2) steady state operation.In steady state operation, system carries out work with the form that moves in circles.During loop start, the gas in second cylinder of second free piston internal combustion engine is in high pressure conditions, and the second compression ignite oil sprayer sprays into compression ignition fuel in second cylinder, and fuel fire burning back promotes the piston assembly motion.This moment, linear electric generator was outwards exported electric energy, and gas is compressed in first cylinder.When compression ratio reached certain numerical value in the cylinder, the first compression ignite oil sprayer of first free piston internal combustion engine sprayed into compression ignition fuel in first cylinder, and fuel fire burning back promotes the piston assembly reversing motion, and linear electric generator is outwards exported electric energy again.Gas is compressed in second cylinder, and its compression ratio constantly is increased to the numerical value that can make the compression ignition fuel burning.Enter next circulation afterwards.Moving in circles is steady state operation.
Beneficial effect
The present invention utilizes the variable compressive ratio characteristic of free-piston internal combustion power generation power system, by the working method of lighting that easily realizes, has solved the starting problem of difficult compression ignite type free-piston internal combustion power generation power system.The realization compression ignite is worked, and further discharges the energy-conserving and environment-protective potentiality of free-piston internal combustion power generation power system.
Description of drawings
Fig. 1 is the structural representation that embodiment's mid point is lighted dynamic formula compression ignite type free-piston internal combustion power generation power system;
Label declaration: 1-the first spark plug; 2-the first compression ignite oil sprayer; 3-the first lights oil sprayer; 4-the first cylinder; 5-first piston; 6-the first suction port; 7-the first relief opening; 8-linear generating machine stator; 9-linear electric generator mover; 10-the second suction port; 11-the second piston; 12-the second cylinder; 13-the second lights oil sprayer; 14-the second compression ignite oil sprayer; 15-the second spark plug; 16-the second relief opening.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
A kind of priming type compression ignite type free-piston internal combustion power generation power system of lighting of the present invention mainly comprises first free piston internal combustion engine, second free piston internal combustion engine, linear electric generator.First free piston internal combustion engine comprises: first piston 5, first cylinder 4, the first compression ignite oil sprayer 2, first are lighted oil sprayer 3, first spark plug 1, first suction port 6, first relief opening 7.Second free piston internal combustion engine comprises: second piston 11, second cylinder 12, the second compression ignite oil sprayer 14, second are lighted oil sprayer 3, second spark plug 15, second suction port 10, second relief opening 16.Linear electric generator comprises: linear electric generator mover 9, linear generating machine stator 8.
Concrete annexation with upper-part is: first piston 5 places in first cylinder 4, the first compression ignite oil sprayer 2, first is lighted the end that oil sprayer 3 and first spark plug 1 are installed on first cylinder 4 from bottom to top in turn, and the first compression ignite oil sprayer 2 is located along the same line with linear electric generator mover 9, the second compression ignite oil sprayer 14.First relief opening 7 is positioned at first cylinder, 4 upper surfaces, and first suction port 6 is positioned at first cylinder, 4 lower surfaces.
One end of linear electric generator mover 9 is connected with the first piston 5 of first free piston internal combustion engine, and the other end is connected with second piston 11 of second free piston internal combustion engine, constitutes piston assembly jointly.
A kind of working procedure of lighting priming type compression ignite type free-piston internal combustion power generation power system of the present invention comprises starting process and steady state operation.Below be specifically described respectively:
3) starting process.In the starting process, the first piston 5 of first free piston internal combustion engine is in point midway between first cylinder, 4 interior first relief openings 7 and the cylinder top.This moment, first suction port 6, first relief opening 7 of first free piston internal combustion engine all were in closed condition.First light oil sprayer 3 spray into gasoline in cylinder afterwards, first spark plug, 1 work simultaneously is with the ignited fuel that sprays into.The high temperature and high pressure gas that produces promotes the piston assembly motion, compresses the gas in second free piston internal combustion engine, second cylinder 12.Second of second free piston internal combustion engine light oil sprayer 13 spray into gasoline in its 2 12 cylinder then, second spark plug 15 makes the piston assembly reversing motion with ignited fuel.Back and forth light stable operation with these two free piston internal combustion engines, this moment, its maximum compression ratio kept stable.Second of second free piston internal combustion engine light oil sprayer 13 and stop oil spout then, piston assembly continues gas in compression second free piston internal combustion engine under the effect of kinetic energy, makes its pressure surpass 3MPa, temperature surpasses 500K.The second compression ignite oil sprayer 14 sprays into diesel oil in cylinder, the moving piston assembly reversing motion of fire burns pusher.This moment, starting process finished.
4) steady state operation.In steady state operation, system carries out work with the form that moves in circles.During loop start, the gas in the cylinder of second free piston internal combustion engine is in high pressure conditions, and the second compression ignite oil sprayer 14 sprays into diesel oil in its cylinder, and fuel fire burning back promotes the piston assembly motion.This moment, linear electric generator was outwards exported electric energy, and gas is compressed in the first free piston internal combustion engine cylinder.When compression ratio reached certain numerical value in its cylinder, the first compression ignite oil sprayer 2 of first free piston internal combustion engine sprayed into diesel oil in its cylinder, and fuel fire burning back promotes the piston assembly reversing motion, and linear electric generator is outwards exported electric energy again.Gas is compressed in the cylinder of second free piston internal combustion engine, and its compression ratio constantly is increased to certain numerical value.Enter next circulation afterwards.Moving in circles is steady state operation.
Claims (4)
1. light priming type compression ignite type free-piston internal combustion power generation power system for one kind, it is characterized in that: comprise first free piston internal combustion engine, second free piston internal combustion engine, linear electric generator; First free piston internal combustion engine comprises: first piston, first cylinder, the first compression ignite oil sprayer, first are lighted oil sprayer, first spark plug, first suction port, first relief opening; Second free piston internal combustion engine comprises: second piston, second cylinder, the second compression ignite oil sprayer, second are lighted oil sprayer, second spark plug, second suction port, second relief opening; Linear electric generator comprises: linear electric generator mover, linear generating machine stator;
Concrete annexation with upper-part is: first piston places in first cylinder, and oil sprayer lighted by the first compression ignite oil sprayer, first and first spark plug all is installed on first cylinder; First relief opening is positioned at the first cylinder upper surface, and first suction port is positioned at the first cylinder lower surface; Each constituent element is identical with structure and the Placement of constituent element in first free piston internal combustion engine in second free piston internal combustion engine; One end of linear electric generator mover is connected with the first piston of first free piston internal combustion engine, and the other end is connected with second piston of second free piston internal combustion engine, constitutes piston assembly jointly.
2. a kind of priming type compression ignite type free-piston internal combustion power generation power system of lighting according to claim 1, it is characterized in that: working procedure comprises starting process and steady state operation.
3. a kind of priming type compression ignite type free-piston internal combustion power generation power system of lighting according to claim 2, it is characterized in that: in the starting process, the first piston of first free piston internal combustion engine is in first cylinder, and the porting of first free piston internal combustion engine all is in closed condition; Light oil sprayer by first and spray into ignitable fuel under the normal temperature state in first cylinder, the fuel that sprays into is lighted in the first spark plug work simultaneously; The high temperature and high pressure gas that produces promotes the piston assembly motion, compresses the gas in second cylinder; Second of second free piston internal combustion engine light oil sprayer and spray in second cylinder and light fuel usedly then, the second spark ignitor fuel makes the piston assembly reversing motion; Two free piston internal combustion engines are back and forth lighted stable operation, and it is stable that its maximum compression ratio keeps; Second lights oil sprayer stops oil spout, and piston assembly continues the required condition of gas arrival compression ignite in compression second free piston internal combustion engine under the effect of kinetic energy; The second compression ignite oil sprayer sprays into compression ignition fuel in cylinder, the moving piston assembly reversing motion of fire burns pusher.
4. a kind of priming type compression ignite type free-piston internal combustion power generation power system of lighting according to claim 2, it is characterized in that: systematic steady state operation form is for moving in circles; During loop start, gas in second cylinder of second free piston internal combustion engine is in high pressure conditions, and the second compression ignite oil sprayer sprays into compression ignition fuel in second cylinder, and fuel fire burning back promotes the piston assembly motion, linear electric generator is outwards exported electric energy, and gas is compressed in first cylinder; When compression ratio reached certain numerical value in the cylinder, the first compression ignite oil sprayer of first free piston internal combustion engine sprayed into compression ignition fuel in first cylinder, and fuel fire burning back promotes the piston assembly reversing motion, and linear electric generator is outwards exported electric energy again; Gas is compressed in second cylinder, and its compression ratio constantly is increased to the numerical value of compression ignition fuel burning; Enter next circulation then.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310124328XA CN103233813A (en) | 2013-04-11 | 2013-04-11 | Ignition-starting-type compression-ignition-type free piston internal combustion power generation power system |
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| CN201310124328XA CN103233813A (en) | 2013-04-11 | 2013-04-11 | Ignition-starting-type compression-ignition-type free piston internal combustion power generation power system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653869A (en) * | 2019-01-25 | 2019-04-19 | 南京理工大学 | A kind of two-stroke free-piston electricity generation system and its electricity-generating method |
| CN113047949A (en) * | 2021-03-12 | 2021-06-29 | 哈尔滨工程大学 | Split-cylinder free piston generator based on PID closed-loop control |
| CN113047948A (en) * | 2021-03-12 | 2021-06-29 | 哈尔滨工程大学 | Novel circulating free piston generator based on rigid connection |
| CN113266464A (en) * | 2021-06-21 | 2021-08-17 | 北京理工大学 | Free piston internal combustion linear generator operation system and operation control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5678522A (en) * | 1996-07-12 | 1997-10-21 | Han; William | Free piston internal combustion engine |
| CN1233313A (en) * | 1996-08-23 | 1999-10-27 | 卡明斯发动机公司 | Premixed charge compression ignition engine with optimal combustion control |
| US20050247272A1 (en) * | 2004-05-07 | 2005-11-10 | Cliff Carlson | Starting a compression ignition free piston internal combustion engine having multiple cylinders |
| CN202851144U (en) * | 2012-10-15 | 2013-04-03 | 北京理工大学 | Motor type free piston internal combustion power generation device starting system |
-
2013
- 2013-04-11 CN CN201310124328XA patent/CN103233813A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5678522A (en) * | 1996-07-12 | 1997-10-21 | Han; William | Free piston internal combustion engine |
| CN1233313A (en) * | 1996-08-23 | 1999-10-27 | 卡明斯发动机公司 | Premixed charge compression ignition engine with optimal combustion control |
| US20050247272A1 (en) * | 2004-05-07 | 2005-11-10 | Cliff Carlson | Starting a compression ignition free piston internal combustion engine having multiple cylinders |
| CN202851144U (en) * | 2012-10-15 | 2013-04-03 | 北京理工大学 | Motor type free piston internal combustion power generation device starting system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653869A (en) * | 2019-01-25 | 2019-04-19 | 南京理工大学 | A kind of two-stroke free-piston electricity generation system and its electricity-generating method |
| CN113047949A (en) * | 2021-03-12 | 2021-06-29 | 哈尔滨工程大学 | Split-cylinder free piston generator based on PID closed-loop control |
| CN113047948A (en) * | 2021-03-12 | 2021-06-29 | 哈尔滨工程大学 | Novel circulating free piston generator based on rigid connection |
| CN113047949B (en) * | 2021-03-12 | 2021-09-21 | 哈尔滨工程大学 | Split-cylinder free piston generator based on PID closed-loop control |
| CN113047948B (en) * | 2021-03-12 | 2022-08-05 | 哈尔滨工程大学 | Free piston generator based on rigid connection |
| CN113266464A (en) * | 2021-06-21 | 2021-08-17 | 北京理工大学 | Free piston internal combustion linear generator operation system and operation control method |
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Application publication date: 20130807 |