CN101793190B - Single-piston linear power generation engine - Google Patents
Single-piston linear power generation engine Download PDFInfo
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- CN101793190B CN101793190B CN2009102438490A CN200910243849A CN101793190B CN 101793190 B CN101793190 B CN 101793190B CN 2009102438490 A CN2009102438490 A CN 2009102438490A CN 200910243849 A CN200910243849 A CN 200910243849A CN 101793190 B CN101793190 B CN 101793190B
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Abstract
The invention provides a single-piston linear power generation engine, belonging to the technical field of internal combustion engines. The engine comprises a cylinder A, a cylinder B, a compression spring, a contact block, secondary permanent magnets, supports, a spindle, a piston, piston rings, primary cores, windings, heat insulation gaskets, sliding bearings, a cylinder jacket and a spark plug, wherein cooling fins cover the cylinder A and the cylinder B; the compression spring is fixed at the bottom of the cylinder B and is fixedly connected with the contact block; the contact block is fixedly connected with the secondary permanent magnets; the supports are fixedly connected with the spindle which is fixedly connected with the piston; the piston rings are sleeved outside the piston; the bottom of the cylinder B is fixedly connected with the primary cores; the cylinder B is fixedly connected with the cylinder A; and the spark plug is arranged on the upper part of the cylinder A. The engine avoids the inertia force of the traditional structure, has good balance, removes torsional vibration of the crankshaft, weakens the vibration and the noise of the whole machine, dissipates heat effectively and has compact structure, simple working, high volume power density, low mechanical loss and high energy conversion efficiency.
Description
Technical field
A kind of single-piston linear power generation engine of the present invention belongs to the internal combustion engine generator technical field.
Background technique
The mode that existing internal combustion engine generator group uses traditional combustion engine to combine with generator usually.Traditional combustion engine is because there are inborn deficiency in its intrinsic structure and principle restriction on efficient, the energy and environmental problem.For example, inertial force that connecting rod brings and disequilibrium make machinery and transformation of energy transmission efficiency reduce greatly; Cause the high vibration of complete machine inevitably; And cause noise, through the propagation of interior, this a series of noise pollution causes driver and passenger's discomfort again; Because the restriction of combustion condition, oil inflame is insufficient, adds the wherein influence of fuel contaminant, has a large amount of nitrogen oxide and sulphide in the products of combustion, and these materials are fatal to cleaning discharging and environmental protection.Simultaneously, in the generator set running, because above-mentioned internal-combustion engine defective makes operation state of generator very unstable; For this reason, increase bulky transmission device stablizing combustion engine powered property, and considered internal-combustion engine heat radiation and the requirement that system controls, need increase annex again; For example cooling system is discarded the circulatory system, the internal combustion engine start system; Dynamo current conditioning system and generator set comprehensive matching system, these systems are huge and complicated, and cost is high.From energy efficiency, be delivered to the I. C. engine crankshaft rotating mechanical energy from fuel chemical energy, be delivered to generator power rotating mechanical energy by transmission device again; Finally be converted into electric energy output; Whole energy chain length, owing to heat transfer, heat radiation, exhaust emissions and the loss of mechanical friction homenergic, the machine system energy transfer efficiency is low again; Cost is big, the petroleum resources that waste is valuable.
Summary of the invention
The objective of the invention is to propose a kind of single-piston linear power generation engine in order to improve existing crank-connecting rod internal combustion unit energy conversion efficiency.
The objective of the invention is to realize through following technological scheme.
A kind of single-piston linear power generation engine of the present invention comprises cylinder body A, cylinder body B, pressure spring, contact block, secondary permanent magnet, support, main shaft, piston, end cap, piston ring, elementary iron core, winding, heat insulating mattress, sliding bearing, cylinder liner and spark plug; Its annexation is: cylinder body B is a sleeve, and its outer wall is a zigzag fashion, is used for heat radiation; Inner chamber at cylinder body B is with elementary iron core, and elementary iron core is one to have the cylindrical body of cavity, evenly digs flutedly at the inwall of elementary iron core, and winding embeds in the groove of elementary iron core and with elementary iron core and is fixedly connected; In the cavity of elementary iron core and the central position of cylinder body B bottom be fixed with pressure spring, pressure spring is fixedly connected with contact block; Secondary permanent magnet is connected through magnetic force with support, is provided with certain clearance between the cavity of support and elementary iron core, makes support drive secondary permanent magnet, contact block and pressure spring and in the cavity of elementary iron core, slides; Secondary permanent magnet is more than 1; Main shaft is stair-stepping cylinder, and support is fixedly connected with the little end of main shaft diameter, and the end that the main shaft diameter is big is fixedly connected with the piston that has piston ring; Outside at piston is equipped with cylinder liner, and cylinder liner is a sleeve, and the top center place of cylinder liner has a through hole, and the end of cylinder liner is equipped with end cap, and end cap is the disk of a hollow, and the inside of end cap is embedded with sliding bearing, and sliding bearing and main shaft are slidingly connected; Between end cap and elementary iron core, be lined with heat insulating mattress, have through hole in the both sides of heat insulating mattress and be used for the inner chamber gas of elementary iron core and the exchange of ambient atmos; Cylinder body A is a sleeve, and its outer wall is a zigzag fashion, is used for heat radiation, and cylinder body A is enclosed within the outside of cylinder liner; The central position at the top of cylinder body A has through hole spark plug is installed, and the end of spark plug is communicated with the inner chamber of cylinder liner through the through hole at cylinder liner top; Cylinder body A is connected through bolt with cylinder body B.
Working procedure:
In internal-combustion engine acting process; Cylinder body A fuel is through the plug ignition burning; Gas expansion for doing work promotes piston and main shaft moving linearly to the right in the cavity of elementary iron core, and secondary permanent magnet cuts magnetic induction lines produces induction electromotive force and induction current in winding, outwards export electric energy while pressure spring; Spring storage compartment energy, the piston ring of piston is discharged through pore through inner combustion gas behind the pore and tail gas;
When the piston arrives lower dead center, spring releases energy, and promotes main shaft and piston and moves to top dead center; Gas in the compression cylinder A; External fuel gets among the cylinder body A through pore simultaneously, waits for piston arrives top dead center place, and gas is compressed and makes plug ignition enter into working stroke in the cylinder body A.
Beneficial effect
The present invention does not have connecting rod, has avoided the inertial force of conventional construction, has good balance, has removed crankshaft torsional vibrations, has weakened complete machine oscillation and noise, has improved mechanical efficiency; The wind-cooling heat dissipating sheet is installed in the complete machine outside, and surface area is bigger, carries out cooling heat dissipation effectively, improves cooling effectiveness, improves system reliability; Compact overall structure, working stroke are simple, have high volumetric power density, and mechanical loss is little, and energy conversion efficiency is high.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Wherein, 1-spark plug, 2-cylinder body A, 3-cylinder liner, 4-piston, 5-sliding bearing, the elementary iron core of 6-, 7-winding, 8-pressure spring, 9-contact block, 10-support, 11-level permanent magnet, 12-heat insulating mattress, 13-end cap, 14-main shaft, 15-piston ring, 16-cylinder body B.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Embodiment
A kind of single-piston linear power generation engine of the present invention; As shown in Figure 1, comprise cylinder body A2, cylinder body B16, pressure spring 8, contact block 9, secondary permanent magnet 11, support 10, main shaft 14, piston 4, end cap 13, piston ring 15, elementary iron core 6, winding 7, heat insulating mattress 12, sliding bearing 5, cylinder liner 3 and spark plug 1; Its annexation is: cylinder body B16 is a sleeve, and its outer wall is a zigzag fashion, is used for heat radiation; Inner chamber at cylinder body B16 is with elementary iron core 6, and elementary iron core 6 is one to have the cylindrical body of cavity, evenly digs flutedly at the inwall of elementary iron core 6, and winding 7 embeds in the groove of elementary iron core 6 and with elementary iron core 6 and is fixedly connected; In the cavity of elementary iron core 6 and the central position of cylinder body B16 bottom be fixed with pressure spring 8, pressure spring 8 is fixedly connected with contact block 9; Secondary permanent magnet 11 and support 10 are connected through magnetic force, are provided with certain clearance between the cavity of support 10 and elementary iron core 6, make support 10 drive secondary permanent magnet 11, contact block 9 and pressure spring 8 and in the cavity of elementary iron core 6, slide; Secondary permanent magnet 11 is 6; Main shaft 14 is stair-stepping cylinder, and support 10 is fixedly connected with the little end of main shaft 14 diameters, and the end that main shaft 14 diameters are big is fixedly connected with the piston that has piston ring 15 4; In the outside of piston 4 cylinder liner 3 is installed, cylinder liner 3 is a sleeve, and the top center place of cylinder liner 3 has a through hole; The end of cylinder liner 3 is equipped with end cap 13; End cap 13 is the disk of a hollow, and the inside of end cap 13 is embedded with sliding bearing 5, and sliding bearing 5 is slidingly connected with main shaft 14; Between end cap 13 and elementary iron core 6, be lined with heat insulating mattress 12, have through hole in the both sides of heat insulating mattress 12 and be used for the inner chamber gas of elementary iron core 6 and the exchange of ambient atmos; Cylinder body A2 is a sleeve, and its outer wall is a zigzag fashion, is used for heat radiation, and cylinder body A2 is enclosed within the outside of cylinder liner 3; The central position at the top of cylinder body A2 has through hole spark plug 1 is installed, and the end of spark plug 1 is communicated with the inner chamber of cylinder liner 3 through the through hole at cylinder liner 3 tops; Cylinder body A2 is connected through bolt with cylinder body B16.
Working procedure:
In internal-combustion engine acting process; Cylinder body A fuel is through the plug ignition burning; Gas expansion for doing work promotes piston and main shaft moving linearly to the right in the cavity of elementary iron core, and secondary permanent magnet cuts magnetic induction lines produces induction electromotive force and induction current in winding, outwards export electric energy while pressure spring; Spring storage compartment energy, the piston ring of piston is discharged through pore through inner combustion gas behind the pore and tail gas;
When the piston arrives lower dead center, spring releases energy, and promotes main shaft and piston and moves to top dead center; Gas in the compression cylinder A; External fuel gets among the cylinder body A through pore simultaneously, waits for piston arrives top dead center place, and gas is compressed and makes plug ignition enter into working stroke in the cylinder body A.
Claims (2)
1. a single-piston linear power generation engine comprises cylinder body A (2), cylinder body B (16), pressure spring (8), contact block (9), secondary permanent magnet (11), support (10), main shaft (14), piston (4), end cap (13), piston ring (15), elementary iron core (6), winding (7), heat insulating mattress (12), sliding bearing (5), cylinder liner (3) and spark plug (1); It is characterized in that its annexation is:
Cylinder body B (16) is a sleeve, and its outer wall is a zigzag fashion; Inner chamber at cylinder body B (16) is with elementary iron core (6), and elementary iron core (6) is one to have the cylindrical body of cavity, evenly digs flutedly at the inwall of elementary iron core (6), and winding (7) embeds in the groove of elementary iron core (6) and with elementary iron core (6) and is fixedly connected; In the cavity of elementary iron core (6) and the central position of cylinder body B (16) bottom be fixed with pressure spring (8), pressure spring (8) is fixedly connected with contact block (9); Secondary permanent magnet (11) is connected through magnetic force with support (10), is provided with the gap between the cavity of support (10) and elementary iron core (6), makes support (10) drive secondary permanent magnet (11), contact block (9) and pressure spring (8) and in the cavity of elementary iron core (6), slides; Main shaft (14) is stair-stepping cylinder, and support (10) is fixedly connected with the little end of main shaft (14) diameter, and the end that main shaft (14) diameter is big is fixedly connected with the piston that has piston ring (15) (4); In the outside of piston (4) cylinder liner (3) is installed; Cylinder liner (3) is a sleeve; The top center place of cylinder liner (3) has a through hole, and the end of cylinder liner (3) is equipped with end cap (13), and end cap (13) is the disk of a hollow; The inside of end cap (13) is embedded with sliding bearing (5), and sliding bearing (5) is slidingly connected with main shaft (14); Between end cap (13) and elementary iron core (6), be lined with heat insulating mattress (12); Cylinder body A (2) is a sleeve, and its outer wall is a zigzag fashion, and cylinder body A (2) is enclosed within the outside of cylinder liner (3); The central position at the top of cylinder body A (2) has through hole spark plug (1) is installed, and the end of spark plug (1) is communicated with the inner chamber of cylinder liner (3) through the through hole at cylinder liner (3) top; Cylinder body A (2) is connected through bolt with cylinder body B (16).
2. a kind of single-piston linear power generation engine according to claim 1 is characterized in that: secondary permanent magnet (11) is more than 1.
Priority Applications (1)
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CN2009102438490A CN101793190B (en) | 2009-12-23 | 2009-12-23 | Single-piston linear power generation engine |
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CN2009102438490A CN101793190B (en) | 2009-12-23 | 2009-12-23 | Single-piston linear power generation engine |
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CN101793190A CN101793190A (en) | 2010-08-04 |
CN101793190B true CN101793190B (en) | 2012-05-09 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101964567A (en) * | 2010-10-09 | 2011-02-02 | 江苏中容电气有限公司 | Direct-drive power generation system |
CN103382902B (en) * | 2013-07-17 | 2015-07-22 | 万斌 | Integrated type Stirling engine for power generation |
CN105863737A (en) * | 2016-04-27 | 2016-08-17 | 西安电子科技大学 | Permanent magnet linear power generation device driven by air pressure corrugated pipes |
CN107769508B (en) * | 2017-11-30 | 2019-07-19 | 中国航空发动机研究院 | A kind of magnetic force vibration linear generating set |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2367014Y (en) * | 1998-12-24 | 2000-03-01 | 陈萍 | Energy storage and linear oscillating type magnetoelectric generator |
WO2002005407A2 (en) * | 2000-07-06 | 2002-01-17 | Aerodyne Research, Inc. | Miniature generator |
US6759755B2 (en) * | 2000-01-28 | 2004-07-06 | Clavis Technology As | Energy converter |
CN2749172Y (en) * | 2004-11-09 | 2005-12-28 | 青岛威能动力有限公司 | Linear internal combustion type power generator |
CN1888402A (en) * | 2006-07-20 | 2007-01-03 | 上海交通大学 | Free-piston type internal combustion engine power generating system |
CN201155361Y (en) * | 2008-02-20 | 2008-11-26 | 姚增新 | Reciprocating type fuel generator |
CN201568138U (en) * | 2009-12-23 | 2010-09-01 | 北京理工大学 | Single-piston linear power generating engine |
-
2009
- 2009-12-23 CN CN2009102438490A patent/CN101793190B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2367014Y (en) * | 1998-12-24 | 2000-03-01 | 陈萍 | Energy storage and linear oscillating type magnetoelectric generator |
US6759755B2 (en) * | 2000-01-28 | 2004-07-06 | Clavis Technology As | Energy converter |
WO2002005407A2 (en) * | 2000-07-06 | 2002-01-17 | Aerodyne Research, Inc. | Miniature generator |
CN2749172Y (en) * | 2004-11-09 | 2005-12-28 | 青岛威能动力有限公司 | Linear internal combustion type power generator |
CN1888402A (en) * | 2006-07-20 | 2007-01-03 | 上海交通大学 | Free-piston type internal combustion engine power generating system |
CN201155361Y (en) * | 2008-02-20 | 2008-11-26 | 姚增新 | Reciprocating type fuel generator |
CN201568138U (en) * | 2009-12-23 | 2010-09-01 | 北京理工大学 | Single-piston linear power generating engine |
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Granted publication date: 20120509 Termination date: 20121223 |