CN105986890B - Free piston IC linear electric generator - Google Patents
Free piston IC linear electric generator Download PDFInfo
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- CN105986890B CN105986890B CN201510071904.8A CN201510071904A CN105986890B CN 105986890 B CN105986890 B CN 105986890B CN 201510071904 A CN201510071904 A CN 201510071904A CN 105986890 B CN105986890 B CN 105986890B
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Abstract
The present invention provides a kind of free piston IC linear electric generator, including linear electric generator and two internal combustion engines, two internal combustion engines are symmetrical arranged relative to linear electric generator；Linear electric generator includes stator, interior mover and outer mover, and the both ends of interior mover are respectively connected to the inner piston of two internal combustion engines, and the both ends of outer mover are respectively connected to the outer piston of two internal combustion engines；Two internal combustion engines are alternately lighted a fire, so that inner piston drives interior mover to move reciprocatingly along stator, the magnetic line of force power generation of cutting stator；Outer piston drives outer mover to move reciprocatingly along stator, the magnetic line of force power generation of cutting stator, and outer mover is opposite with the direction of motion of interior mover.Free piston IC linear electric generator of the invention improves the power density and generating capacity of linear electric generator, improves energy utilization efficiency.
Description
Technical field
The present invention relates to technical field of generators, more particularly to a kind of free piston IC linear electric generator.
Background technique
Free piston IC linear generating system is passed through by free-piston type internal-combustion engine and linear electric generator direct-coupling
Alternating expansion acting in left and right combustion chamber drives linear electric generator to move back and forth power generation.It is omitted in the device for mechanical structure by piston
Convert reciprocating motion be rotary motion crank link mechanism and mechanical flywheel, directly utilize piston of combustion chamber reciprocating motion
Linear motor power generation is driven, the thermal energy that fuel combustion generates is converted into power output, improves mechanical efficiency, and can be
Do not change and adjust compression ratio in the case where Structure of Internal-Combustion Engine to adapt to the pluralities of fuels such as gasoline, diesel oil, natural gas, methane, hydrogen,
And the combustion system of high compression ratio homogeneous charge compression-ignition (HCCI), so that the efficiency of combustion of fuel is very high, whole system effect
Rate is up to 2~3 times of traditional combustion engine, and almost without discharge (NOX<10×10-6)。
The free-piston type internal-combustion engine being primarily present at present has single-cylinder double stroke, single-cylinder four-stroke and single cylinder double-piston three
Kind structure type.Single-cylinder double stroke/quartastroke engine is generally mounted to one end of generator, and the other end uses identical internal combustion
Machine uses energy storage return mechanism.Larger, Yi Yinqi system generation vibration is unidirectionally impacted as caused by internal-combustion engine ignition.At present
Energy storage return mechanism mainly has two kinds of forms of gas spring and mechanical spring.Gas spring form needs to control gas chamber,
Increase the difficulty of system.Mechanical spring is limited by the service life, can not be used for a long time.The German laboratory DLR and the U.S. Holy Land are sub-
Laboratory etc. proposes to set double-piston internal-combustion linear generator structure in one kind, which is worked by double-piston, is effectively reduced
The vibration of system is assisted using electrokinetic process in system Recovery Process, is reduced due to internal combustion engine using two-stage generator
Fever caused by elasticity of compression return mechanism, improves the utilization rate of system capacity, but due to there is still a need for elastic recovery device,
Practical application is restricted.
In above structure, due to the presence of elastic recovery device, energy consumption, capacity usage ratio are caused in thermal energy storage process
Lower, generator rotor quality is big, and cutting magnetic line area is small, causes energy density lower, cannot make full use of free-piston
The advantages of formula internal combustion engine.
Summary of the invention
In view of the status of the prior art, the purpose of the present invention is to provide a kind of free piston IC linear electric generator,
Energy density is improved, vibration noise is reduced, improves capacity usage ratio.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of free piston IC linear electric generator, including linear electric generator and two internal combustion engines, two internal combustions
Machine is symmetrical arranged relative to the linear electric generator；
Each internal combustion engine includes combustion chamber and setting in the indoor inner piston of the burning and outer piston, described
Inner piston and the outer piston and the peripheral wall of the combustion chamber form closed cavity, and can do in the combustion chamber reciprocal
Movement；
The linear electric generator includes stator, interior mover and outer mover, and the both ends of the interior mover are respectively connected to two
The both ends of the inner piston of the internal combustion engine, the outer mover are respectively connected to the outer piston of two internal combustion engines；
Two internal combustion engines are alternately lighted a fire, so that the inner piston drives the interior mover to do reciprocal fortune along the stator
It is dynamic, cut the magnetic line of force power generation of the stator；The outer piston drives the outer mover to move reciprocatingly along the stator, cuts
The magnetic line of force of the stator generates electricity, and the outer mover is opposite with the direction of motion of the interior mover.
The length of the interior mover is less than the length of the stator, the length of the outer mover in one of the embodiments,
Degree is less than the length of the stator；
The movement travel of the interior mover and the outer mover is respectively less than the 1/2 of the effective length of the combustion chamber.
The quantity of the stator is two in one of the embodiments, respectively the first stator and the second stator；
The interior mover is placed between first stator and second stator, and first stator and described second
Stator is symmetrical arranged relative to the interior mover；The outer mover is placed in the outer of first stator and/or second stator
Side.
The quantity of the outer mover is two in one of the embodiments, dynamic outside the respectively first outer mover and second
Son；
The first outer mover is placed on the outside of first stator perpendicular to the magnetic line of force direction of first stator,
The first outer mover cuts the magnetic line of force power generation of first stator；The second outer mover is perpendicular to second stator
Magnetic line of force direction is placed on the outside of second stator, and the second outer mover cuts the magnetic line of force hair of second stator
Electricity.
The axis of movement of the axis of movement of described first outer mover, the second outer mover in one of the embodiments,
It is parallel to each other with the axis of movement of the interior mover, and the fortune of the axis of movement of the first outer mover, the second outer mover
The normal orientation of any two constituted planes in the axis of movement of shaft line and the interior mover it is identical as gravity direction or
On the contrary.
In one of the embodiments, further include the first guide rail, is provided on first guide rail and first guide rail
The first sliding block being slidably connected；
It is provided with first guide rail on the inside of the inside of first stator and second stator, two described
First sliding block on one guide rail is connect with the interior mover.
It in one of the embodiments, further include the second guide rail and third guide rail；
The outside of first stator is arranged in second guide rail, is provided on second guide rail and leads with described second
The second sliding block that rail is slidably connected, second sliding block are connect with the described first outer mover；
The outside of second stator is arranged in the third guide rail, is provided on the third guide rail and leads with the third
The third sliding block that rail is slidably connected, the third sliding block are connect with the described second outer mover.
In one of the embodiments, it is characterized in that, further including first connecting rod structure and second connecting rod structure；
The both ends of the interior mover are connected to the inner piston of two internal combustion engines by the first connecting rod structure respectively,
The both ends of the outer mover are connected to the outer piston of two internal combustion engines by the second connecting rod structure respectively.
In one of the embodiments, it is characterized in that, the linear electric generator is flat linear electric generator or cylinder
Formula linear electric generator.
It in one of the embodiments, further include control device；
The control device is suitable for controlling switching of the linear electric generator between generating state and motoring condition.
The beneficial effects of the present invention are:
Free piston IC linear electric generator of the invention is pushed interior living using the alternating ignition-powering of opposed internal combustion engine
Plug and outer piston counter motion realize the magnetic line of force power generation of the same speed reverse movement cutting stator of interior mover and outer mover, from
And improve the power density and generating capacity of linear electric generator.Meanwhile free piston IC linear electric generator of the invention
Reduce elastic recovery device in structure, reduce energy loss, improves energy utilization efficiency.Due in double-piston opposed
The use of combustion engine is effectively reduced the impact in this system operational process, reduces vibration and noise.The present invention using it is double acting son+
Three mover spaced array structures by way of increasing stator and Structure of mover, can realize the modularization extension of system.
Detailed description of the invention
Fig. 1 is the general illustration of one embodiment of free piston IC linear electric generator of the invention；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the schematic diagram of one embodiment of linear electric generator in Fig. 1；
Fig. 5 is the schematic illustration of free piston IC linear electric generator of the invention.
Specific embodiment
In order to keep technical solution of the present invention clearer, below in conjunction with attached drawing, to free piston IC of the invention
Linear electric generator is described in further detail.It should be appreciated that described herein, specific examples are only used to explain the present invention
It is not intended to limit the present invention.
Referring to Fig. 1 to Fig. 5, as shown in Figure 1, free piston IC linear electric generator of the invention includes linear electric generator
100 and two internal combustion engines 200, two internal combustion engines 200 are symmetrical arranged relative to linear electric generator 100.In the present embodiment, straight line hair
Motor 100 is preferably flat linear electric generator or drum type brake linear electric generator.Moreover, according to different operating conditions, straight line
Generator 100, which can also work to reset after motoring condition is for realizing the starting of system and misfire fault, restarts recovery.
Each internal combustion engine 200 includes the inner piston 2 and outer piston 1 of combustion chamber and setting in the combustion chamber, inner piston 2
Closed cavity is formed with outer piston 1 and combustion chamber, and outer piston 1 and inner piston 2 can move reciprocatingly in the combustion chamber.This
The combustion chamber of internal combustion engine 200 in embodiment is cylinder barrel shaped gas chamber, and the axis of the combustion chamber of two internal combustion engines 200 is overlapped,
It can guarantee the stability that inner piston 2 and outer piston 1 move in this way.
Linear electric generator 100 includes stator, interior mover 3 and outer mover, and the both ends of interior mover 3 are respectively connected to two internal combustions
The both ends of the inner piston 2 of machine 200, the outer mover of linear electric generator 100 are respectively connected to the outer piston 1 of two internal combustion engines 200.Two
Alternately igniting and the air inlet/exhaust of a internal combustion engine 200, so that inner piston 2 drives interior mover 3 to move reciprocatingly along stator, cutting is fixed
The magnetic line of force power generation of son.Outer piston 1 drives outer mover to move reciprocatingly along stator, the magnetic line of force power generation of cutting stator, and interior dynamic
Son 3 is with the direction of motion of outer mover on the contrary, the movement velocity of interior mover 3 and outer mover is equal in magnitude.
It is convenient for statement, the internal combustion engine 200 on the left side is denoted as the first internal combustion engine, the internal combustion engine 200 on the right is labeled as second
Internal combustion engine.Since two internal combustion engines 200 carry out alternately igniting and intake and exhaust, when the first internal-combustion engine ignition expansion work,
The chemical energy that fuel combustion generates is converted into mechanical energy and electric energy and pushes inner piston 2 in the first internal combustion engine and outer piston 1 to phase
Anti- direction movement, and the movement velocity of inner piston 2 and outer piston 1 is equal in magnitude.So that inner piston 2 drives interior mover 3
Movement, the magnetic line of force power generation of cutting stator, outer piston 1 drive outer mover to move, the magnetic line of force power generation of cutting stator.
Simultaneously as the inner piston 2 of the second internal combustion engine is connect by interior mover 3 with the inner piston 2 of the first internal combustion engine, second
The outer piston 1 of internal combustion engine is connect by outer mover with the outer piston 1 of the first internal combustion engine, therefore, is expanded in the first internal-combustion engine ignition
When acting, the gas of the combustion chamber of the second internal combustion engine is compressed, and plays certain buffering and rebound effect.Meanwhile in second
When the gas of the combustion chamber of combustion engine is compressed the condition for reaching igniting, the second internal-combustion engine ignition expansion work carries out repeatedly.
In the present embodiment, different ignition mechanisms can choose according to the difference of fuel combustion mode in internal combustion engine.If adopting
It with spark ignition type ignition mechanism, then can choose plug ignition, according to homogeneous charge compression ignition mode (HCCI), be then not necessarily to
Additional ignition mechanism is set.It, can also be by interior if the fuel in above-mentioned first internal combustion engine can be lighted by ignition system
The moving compression-ignition of piston and outer piston.When making internal combustion engine by the way of compression ignition, at this point, linear electric generator work is in electricity
Dynamic state drives the inner piston of internal combustion engine and the opposite fortune of outer piston by the movement of the interior mover and outer mover of linear electric generator
It is dynamic, so that internal combustion engine.After internal combustion engine works normally, linear electric generator is switched to generating state from motoring condition.
More preferably, the length of interior mover 3 is less than the length of stator, and the length of outer mover is less than the length of stator, so just
In integrating for the realization free piston IC linear electric generator.The two sides of stator are provided with winding coil, and the winding wire
Circle is preferably centralized winding coil, in this way convenient for winding coil to be mounted on stator, simplified installation process.Preferably, interior
The movement travel of mover 3 and outer mover is respectively less than the 1/2 of the effective length of combustion chamber.
As an embodiment, the quantity of stator is two, respectively the first stator 8 and the second stator 9.Interior mover
3 are placed between the first stator 8 and the second stator 9, and the first stator 8 and the second stator 9 are symmetrical arranged relative to interior mover 3；Outside
Mover be placed in the first stator 8 and/or the second stator 9 outside.Preferably, the interior mover 3 in the present embodiment and outer mover are equal
It can be durface mounted permanent magnet body structure or built-in permanent magnetic body structure for moving-magnetic type structure.Moreover, permanent magnet array is in interior mover
There can be a series of optimization form with the arrangement on outer mover, for example, using HALBACH (Halbach Array, sea
Your Bake array) permanent magnet array to be to improve efficiency and the motor performances such as motor force constant.
For the generated output density for guaranteeing the linear electric generator, generating capacity, the number of the outer mover in the present embodiment are improved
Amount is also two, the respectively first outer mover 4 and the second outer mover 5.The magnetic line of force of the first outer mover 4 perpendicular to the first stator 8
Direction is placed on the outside of the first stator 8, and the first outer mover 4 cuts the magnetic line of force power generation of the first stator 8.Second outer mover 5 hangs down
The outside of the second stator 9 is directly placed in the magnetic line of force direction of the second stator 9, the second outer mover 5 cuts the magnetic force of the second stator 9
Line power generation.By the way that two outer movers are arranged, vibration caused by unilateral frictional dissipation and electromagnetic force pulsation is reduced.Certainly, first
Outer mover can also can also be with the second stator with the angled setting in magnetic line of force direction of the first stator, the second outer mover
The angled setting in magnetic line of force direction, as long as the direction of motion of the outer mover of satisfaction and the magnetic line of force direction of stator are not parallel i.e.
It can.
Preferably, the axis of movement of the axis of movement of the first outer mover 4, the axis of movement of the second outer mover 5 and interior mover 3
It is parallel to each other, and in the axis of movement of the axis of movement of the first outer mover 4, the axis of movement of the second outer mover 5 and interior mover 3
The normal orientation of any two constituted planes is identical or opposite as gravity direction.It is not only convenient for installation and debugging in this way, and can
Overcome the air gap unsymmetrical factors as caused by gravity.Wherein, axis of movement refers to that object is formed by invisible in movement
Line, that is, the motion profile of object.
As a further improvement, the free piston IC linear electric generator of the present embodiment further includes guiding parts, should
Guiding parts is suitable for supporting interior mover 3 and outer mover.Preferably, which is linear guide.I.e. guiding parts includes
Suitable for the first guide rail of mover 3 in supporting, suitable for supporting the second guide rail 12 of the first outer mover 4 and being suitable for support second
The third guide rail of outer mover 5.
Wherein, the first sliding block being slidably connected with the first guide rail, the inside of the first stator 8 and are provided on the first guide rail
The inside of two stators 9 is provided with the first guide rail, and the first sliding block on two the first guide rails is connect with interior mover 3.It should be clear
Chu, in the present embodiment, the inside of the first stator 8 and the second stator 9 refers to the side where interior mover 3,8 He of the first stator
The outside of second stator 9 refers to the other side opposite with interior 3 place side of mover.
The outside of the first stator 8 is arranged in second guide rail 12, is provided on the second guide rail 12 and is slidably connected with the second guide rail
The second sliding block, the second sliding block connect with the first outer mover 4.Third guide rail is arranged in the outside of the second stator 9, on third guide rail
It is provided with the third sliding block being slidably connected with third guide rail, third sliding block is connect with the second outer mover 5.By the way that guide part is arranged
Part, it is ensured that opposed inner piston, opposed outer piston, interior mover, outer mover and stator concentricity installation and other
The reliable and stable installation of part.
It as an embodiment, further include first connecting rod structure 6 and second connecting rod structure 7, first connecting rod structure 6 is used
In the reliable and stable synchronized links for connecting and keeping two inner pistons 2 and interior mover 3, second connecting rod structure 7 is for connecting simultaneously
Keep the reliable and stable synchronized links of two outer pistons 1 and outer mover.
The both ends of interior mover 3 pass through the inner piston 2 that first connecting rod structure 6 is connected to two internal combustion engines 200 respectively, i.e., and first
The quantity of link mechanism 6 is two.One end of one of first connecting rod structure 6 is connected to the inner piston of the first internal combustion engine, separately
One end is connected to one end of interior mover 3.One end of another first connecting rod structure 6 is connected to the inner piston of the second internal combustion engine, separately
One end is connected to the other end of interior mover 3.
The both ends of outer mover pass through the outer piston 1 that second connecting rod structure 7 is connected to two internal combustion engines 200 respectively, i.e., and second
The quantity at least two of link mechanism 7.At least two second connecting rod structures 7 are separately connected between outer mover and outer piston 1.
Since the quantity of the present embodiment China and foreign countries mover is two, the quantity of second connecting rod structure 7 is four, one of them second company
Rod structure 7 is arranged between the first outer mover 4 and the outer piston of the first internal combustion engine, and the setting of second second connecting rod structure 7 is the
Between one outer mover 4 and the outer piston of the second internal combustion engine, third second connecting rod structure 7 is arranged in the second outer mover 5 and first
Between the outer piston of internal combustion engine, the 4th second connecting rod structure is placed between the second outer mover 5 and the outer piston of the second internal combustion engine.
The first connecting rod structure 6 connected to it of inner piston 2 and interior mover 3 of two internal combustion engines 200 form the first movement portion
Part PM1, the second connecting rod structure 7 connected to it of outer piston 1 of two internal combustion engines 200 and outer mover form the second moving component
PM2.By the way that guiding parts is arranged, it is ensured that the reliability in the first moving component PM1 and the second moving component PM2 motion process
And stability.
Each internal combustion engine 200 further includes the gas handling system 10 and exhaust system 11 with combustion chamber, and internal combustion engine is used
Fuel by gas handling system inject combustion chamber in, combustion chamber is discharged by exhaust system in the exhaust gas after burning.In the present embodiment,
Alternately air inlet/the exhaust of two internal combustion engines 200, and air inlet/exhaust of internal combustion engine is synchronous with the fired state of internal combustion engine, i.e., two
The gas handling system and exhaust system of a internal combustion engine alternating, complementary in one cycle.
In the present embodiment, gas handling system is the air inlet being arranged on the peripheral wall of combustion chamber, and exhaust system is that setting is being burnt
Gas vent on the peripheral wall of room.In the present embodiment, air inlet, the size of gas vent, pass and air inlet and gas vent are burning
Distribution mode and position on the peripheral wall of room can practical intake and exhaust efficiency and intake and exhaust time demand carry out different designs.
Meanwhile gas handling system and exhaust system can be that two-stroke or four stroke working cycles can have according to real system
Different mentalities of designing: if two stroke operation recycles, gas handling system and exhaust system can use piston motion timing and work
Plug moving periodicity state opens or closes air inlet and gas vent execution cycle property.If four stroke engineerings recycle, can adopt
With unlatching/closing of the mechanism controls such as solenoid valve air inlet and gas vent.
It as an embodiment, further include control device；The control device is suitable for control linear electric generator and is sending out
Switching between electricity condition and motoring condition.By the way that control device is arranged, so that the free-piston type linear generating of the present embodiment
Machine can realize switching of the operating mode of linear electric generator from generating state to motoring condition using certain control method, from
And certain thrust is provided, so that internal combustion engine reaches required pressure, realize the even running of internal combustion engine.Control in the present embodiment
Device processed can have the control device of automatic control function using single-chip microcontroller, DSP, industrial personal computer etc..
As shown in figure 5, the course of work of free piston IC linear electric generator of the invention is as follows:
Start-up course: when starting, the operating mode of linear electric generator is motoring condition, at this point, electromagnetic push pushes interior move
Sub and outer mover movement, so that the first moving component PM1 and the second moving component PM2 is pushed to move to different directions, so that
Two internal combustion engines respectively reach fired state.After internal-combustion engine ignition success, linear electric generator is switched to generating state.
Power generation process: after two internal combustion engine steady operations, the drive incision of the interior mover of linear electric generator in inner piston
Cut the magnetic line of force power generation of stator, the magnetic line of force power generation of outer mover cutting stator under the drive of outer piston of linear electric generator.When
When one of internal combustion engine is in igniting expansion process, acting a part is for driving inner piston and outer piston to move, in turn
Mover and the movement of outer mover generate electricity in driving, the indoor gas of burning that another part does work for compressing another internal combustion engine
Body allows another internal combustion engine to light a fire expansion work, and vice versa.
Keep the stable course of work: since the free piston IC linear electric generator of the present embodiment does not have the storage such as flywheel
Can device presence, therefore the chemical energy of internal combustion engine all discharges during fuel combustion, is converted into electric energy and piston
Mechanical energy.Rapidly due to chemical energy release, energy may be not enough to complete the compression process of other end internal combustion engine.Therefore, originally
Embodiment realizes the operating mode of linear electric generator from generating state to electronic by control device using certain control method
The switching of state, so that internal combustion engine reaches required pressure, realizes the steady fortune of internal combustion engine to provide certain thrust
Row.
The free piston IC linear electric generator of the present embodiment, by using free-piston type internal-combustion engine, so that compression
Than adjustable, it is suitable for pluralities of fuel.And the free piston IC linear electric generator can be widely used for hybrid electric vehicle or
Ship etc., it can also be used to situations such as distributed power generation or isolated island generate electricity.
In the higher situation of power generation requirements, the free-piston type linear electric generator of the present embodiment can also be straight by extending
The quantity of line generator and internal combustion engine come realize modularization extend, to further increase generating capacity, improve the utilization of energy
Efficiency.Such as realize power generation in the form of two sets of linear electric generators are in parallel, correspondingly, internal combustion engine, first connecting rod structure and
The quantity of second connecting rod structure etc. should also accordingly increase, to realize the stability of operation.
Free piston IC linear electric generator of the invention is pushed interior living using the alternating ignition-powering of opposed internal combustion engine
Plug and outer piston counter motion realize the magnetic line of force power generation of the same speed reverse movement cutting stator of interior mover and outer mover, from
And improve the power density and generating capacity of linear electric generator.Meanwhile free piston IC linear electric generator of the invention
Reduce elastic recovery device in structure, reduce energy loss, improves energy utilization efficiency.Due in double-piston opposed
The use of combustion engine is effectively reduced the impact in this system operational process, reduces vibration and noise.The present invention using it is double acting son+
Three mover spaced array structures by way of increasing stator and Structure of mover, can realize the modularization extension of system.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of free piston IC linear electric generator, which is characterized in that including linear electric generator and two internal combustion engines, two
The internal combustion engine is symmetrical arranged relative to the linear electric generator；
Each internal combustion engine includes combustion chamber and setting in the indoor inner piston of the burning and outer piston, the interior work
Plug and the outer piston and the peripheral wall of the combustion chamber form closed cavity, and reciprocal fortune can be done in the combustion chamber
It is dynamic；
The linear electric generator includes stator, interior mover and outer mover, and the both ends of the interior mover are respectively connected to described in two
The both ends of the inner piston of internal combustion engine, the outer mover are respectively connected to the outer piston of two internal combustion engines；
Two internal combustion engines are alternately lighted a fire, so that the inner piston drives the interior mover to move reciprocatingly along the stator,
Cut the magnetic line of force power generation of the stator；The outer piston drives the outer mover to move reciprocatingly along the stator, cuts institute
The magnetic line of force power generation of stator is stated, and the outer mover is opposite with the direction of motion of the interior mover；
The quantity of the outer mover is two, the respectively first outer mover and the second outer mover；The movement of the first outer mover
The axis of movement of axis, the axis of movement of the second outer mover and the interior mover is parallel to each other, and the first outer mover
Axis of movement, any two in the axis of movement of the second outer mover and the axis of movement of the interior mover constitute it is flat
The normal orientation in face is identical or opposite as gravity direction.
2. free piston IC linear electric generator according to claim 1, which is characterized in that the length of the interior mover
Less than the length of the stator, the length of the outer mover is less than the length of the stator；
The movement travel of the interior mover and the outer mover is respectively less than the 1/2 of the effective length of the combustion chamber.
3. free piston IC linear electric generator according to claim 2, which is characterized in that the quantity of the stator is
Two, respectively the first stator and the second stator；
The interior mover is placed between first stator and second stator, and first stator and second stator
It is symmetrical arranged relative to the interior mover；The outer mover is placed in the outside of first stator and/or second stator.
4. free piston IC linear electric generator according to claim 3, which is characterized in that
The first outer mover is placed on the outside of first stator perpendicular to the magnetic line of force direction of first stator, described
First outer mover cuts the magnetic line of force power generation of first stator；Magnetic force of the second outer mover perpendicular to second stator
Line direction is placed on the outside of second stator, and the second outer mover cuts the magnetic line of force power generation of second stator.
5. free piston IC linear electric generator according to claim 3, which is characterized in that it further include the first guide rail,
The first sliding block being slidably connected with first guide rail is provided on first guide rail；
First guide rail is provided on the inside of the inside of first stator and second stator, two described first are led
First sliding block on rail is connect with the interior mover.
6. free piston IC linear electric generator according to claim 4, which is characterized in that further include the second guide rail and
Third guide rail；
The outside of first stator is arranged in second guide rail, is provided on second guide rail sliding with second guide rail
Second sliding block of dynamic connection, second sliding block are connect with the described first outer mover；
The outside of second stator is arranged in the third guide rail, is provided on the third guide rail sliding with the third guide rail
The third sliding block of dynamic connection, the third sliding block are connect with the described second outer mover.
7. free piston IC linear electric generator according to claim 1-6, which is characterized in that further include
One link mechanism and second connecting rod structure；
The both ends of the interior mover are connected to the inner piston of two internal combustion engines by the first connecting rod structure respectively, described
The both ends of outer mover are connected to the outer piston of two internal combustion engines by the second connecting rod structure respectively.
8. free piston IC linear electric generator according to claim 1-6, which is characterized in that the straight line
Generator is flat linear electric generator or drum type brake linear electric generator.
9. free piston IC linear electric generator according to claim 1-6, which is characterized in that further include control
Device processed；
The control device is suitable for controlling switching of the linear electric generator between generating state and motoring condition.
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| CN108894875B (en) * | 2018-03-29 | 2020-10-20 | 李�杰 | Linear power generation device actuated by high-pressure gas |
| CN112821822B (en) * | 2021-01-09 | 2022-05-31 | 东北石油大学 | Power generation control method and device, electronic device, storage medium and power generation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050103287A1 (en) * | 2002-03-15 | 2005-05-19 | Peter Hofbauer | Internal combustion engine |
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