CN105986890A - Free piston type internal combustion linear generator - Google Patents
Free piston type internal combustion linear generator Download PDFInfo
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- CN105986890A CN105986890A CN201510071904.8A CN201510071904A CN105986890A CN 105986890 A CN105986890 A CN 105986890A CN 201510071904 A CN201510071904 A CN 201510071904A CN 105986890 A CN105986890 A CN 105986890A
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Abstract
The invention provides a free piston type internal combustion linear generator. The free piston type internal combustion linear generator comprises a linear generator body and two internal combustion engines. The two internal combustion engines are symmetrically arranged relative to the linear generator body. The linear generator body comprises a stator, an inner rotor and an outer rotor. The two ends of the inner rotor are connected to inner pistons of the two internal combustion engines correspondingly. The two ends of the outer rotor are connected to outer pistons of the two internal combustion engines correspondingly. The two internal combustion engines conduct igniting alternately, so that the inner pistons drive the inner rotor to do reciprocating motion along the stator to cut a magnetic force line of the stator so that power can be generated, the outer pistons drive the outer rotor to do reciprocating motion along the stator to cut the magnetic force line of the stator so that power can be generated, and the motion direction of the outer rotor is opposite to that of the inner rotor. According to the free piston type internal combustion linear generator, the power density and the power generation capacity of the linear generator are improved, so that the energy utilization efficiency is improved.
Description
Technical field
The present invention relates to technical field of generators, particularly relate to a kind of free piston IC linear electric generator.
Background technology
Free piston IC linear generating system is by free-piston type internal-combustion engine and the direct coupling of linear electric generator
Close, drive linear electric generator to move back and forth generating by the acting of left and right combustor alternating expansion.This device for mechanical
Eliminate toggle that the convert reciprocating motion of piston is rotary motion and mechanical flywheel in structure,
The reciprocating motion directly utilizing piston of combustion chamber drives linear electric motors generating, and heat energy fuel combustion produced is straight
Switch through and turn to electric energy output, improve mechanical efficiency, and can regulate in the case of not changing Structure of Internal-Combustion Engine
Compression ratio is to adapt to the pluralities of fuels such as gasoline, diesel oil, natural gas, methane, hydrogen, and high compression ratio homogenizing
The combustion system of charge compression-ignition (HCCI) so that the efficiency of combustion of fuel is the highest, whole system efficiency
Up to 2～3 times of traditional combustion engine, and almost without discharge (NOX<10×10-6)。
The free-piston type internal-combustion engine currently mainly existed has single-cylinder double stroke, single-cylinder four-stroke and single cylinder double
Three kinds of versions of piston.Single-cylinder double stroke/quartastroke engine is generally mounted to one end of electromotor, another
End uses identical internal combustion engine or uses energy storage return mechanism.The unidirectional impact caused due to internal-combustion engine ignition is relatively
Greatly, system is easily caused to produce vibration.Energy storage return mechanism mainly has gas spring and mechanical spring two kinds at present
Form.Gas spring form needs to be controlled air chamber, adds the difficulty of system.Mechanical spring is by the longevity
The restriction of life, it is impossible to life-time service.Germany DLR laboratory and Asia, U.S. Holy Land laboratory etc. propose in one
Putting double-piston internal-combustion linear generator structure, this structure is worked by double-piston, significantly reduces system
Vibration, uses two-stage electromotor, uses electrokinetic process auxiliary, decrease due to interior in system Recovery Process
The heating that combustion engine elasticity of compression return mechanism causes, improves the utilization rate of system capacity, but owing to still needing to
Elastic recovery device, actual application is wanted to be restricted.
In said structure, due to the existence of elastic recovery device, thermal energy storage process causes energy expenditure, energy
Amount utilization rate is relatively low, and generator rotor quality is big, and cutting magnetic line area is little, causes energy density relatively low,
The advantage that can not make full use of free-piston type internal-combustion engine.
Summary of the invention
In view of the present situation of prior art, it is an object of the invention to provide a kind of free piston IC straight line and send out
Motor, improves energy density, reduces vibration noise, improves capacity usage ratio.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of free piston IC linear electric generator, including linear electric generator and two internal combustion engines, two institutes
State internal combustion engine to be symmetrical arranged relative to described linear electric generator；
Each described internal combustion engine all includes combustor and is arranged on the inner carrier in described combustor and outer work
Plug, the perisporium of described inner carrier and described outer piston and described combustor forms airtight cavity, and can be
Move reciprocatingly in described combustor；
Described linear electric generator includes that stator, interior mover and outer mover, the two ends of described interior mover connect respectively
To the inner carrier of two described internal combustion engines, the two ends of described outer mover are respectively connecting to two described internal combustion engines
Outer piston；
Two described internal combustion engine alternately igniting so that described inner carrier drives described interior mover to do along described stator
Move back and forth, cut the magnetic line of force generating of described stator；Described outer piston drives described outer mover along described fixed
Son moves reciprocatingly, and cuts the magnetic line of force generating of described stator, and the fortune of described outer mover and described interior mover
Dynamic in opposite direction.
Wherein in an embodiment, the length of described interior mover is less than the length of described stator, described outer dynamic
The length of son is less than the length of described stator；
The movement travel of described interior mover and described outer mover is respectively less than the 1/2 of the effective length of described combustor.
Wherein in an embodiment, the quantity of described stator is two, and the respectively first stator and second is determined
Son；
Described interior mover is placed between described first stator and described second stator, and described first stator and institute
State the second stator to be symmetrical arranged relative to described interior mover；Described outer mover is placed in described first stator and/or institute
State the outside of the second stator.
Wherein in an embodiment, the quantity of described outer mover is two, the respectively first outer mover and
Two outer movers；
The magnetic line of force direction that described first outer mover is perpendicular to described first stator is placed on described first stator
Outside, described first outer mover cuts the magnetic line of force generating of described first stator；Described second outer mover is vertical
Be placed on the outside of described second stator in the magnetic line of force direction of described second stator, described second outer mover is cut
Cut the magnetic line of force generating of described second stator.
Wherein in an embodiment, the axis of movement of described first outer mover, the fortune of described second outer mover
The axis of movement of moving axis line and described interior mover is parallel to each other, and the axis of movement of described first outer mover, institute
State any two constituted planes in the axis of movement of the second outer mover and the axis of movement of described interior mover
Normal orientation is identical with gravity direction or contrary.
Wherein in an embodiment, also include the first guide rail, described first guide rail is provided with and described
The first slide block that one slide connects；
The inner side of described first stator and the inner side of described second stator are provided with described first guide rail, two
Described first slide block on described first guide rail is all connected with described interior mover.
Wherein in an embodiment, also include the second guide rail and the 3rd guide rail；
Described second guide rail is arranged on the outside of described first stator, and described second guide rail is provided with described
The second slide block that second slide connects, described second slide block is connected with described first outer mover；
Described 3rd guide rail is arranged on the outside of described second stator, and described 3rd guide rail is provided with described
The 3rd slide block that 3rd slide connects, described 3rd slide block is connected with described second outer mover.
Wherein in an embodiment, it is characterised in that also include first connecting rod structure and second connecting rod structure；
The two ends of described interior mover are connected to the interior of two described internal combustion engines by described first connecting rod structure respectively
Piston, the two ends of described outer mover are connected to two described internal combustion engines by described second connecting rod structure respectively
Outer piston.
Wherein in an embodiment, it is characterised in that described linear electric generator is flat linear electric generator
Or drum type brake linear electric generator.
Wherein in an embodiment, also include controlling device；
Described control device is applicable to control described linear electric generator cutting between generating state and motoring condition
Change.
The invention has the beneficial effects as follows:
The free piston IC linear electric generator of the present invention, utilizes the alternately ignition-powering of opposed internal combustion engine to push away
Dynamic inner carrier and outer piston adverse movement, it is achieved that the same speed reverse movement cutting stator of interior mover and outer mover
Magnetic line of force generating, thus improve power density and the generating capacity of linear electric generator.Meanwhile, the present invention
Free piston IC linear electric generator structurally decrease elastic recovery device, reduce energy loss,
Improve energy utilization efficiency.Due to the use of double-piston opposed internal combustion engine, effectively reduce native system and ran
Impact in journey, reduces vibration and noise.The present invention uses double mover+three mover spaced array structure, can
By increasing stator and the form of Structure of mover, it is achieved the modularity extension of system.
Accompanying drawing explanation
Fig. 1 is the general illustration of free piston IC linear electric generator one embodiment of the present 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 Fig. 1 cathetus electromotor one embodiment；
Fig. 5 is the principle schematic of the free piston IC linear electric generator of the present invention.
Detailed description of the invention
In order to make technical scheme clearer, below in conjunction with accompanying drawing, the free-piston to the present invention
Formula internal-combustion linear generator is described in further detail.Should be appreciated that specific embodiment described herein
Only in order to explain that the present invention is not intended to limit the present invention.
See Fig. 1 to Fig. 5, as it is shown in figure 1, the free piston IC linear electric generator of the present invention includes directly
Line electromotor 100 and two internal combustion engines 200, two internal combustion engines 200 set relative to linear electric generator 100 symmetry
Put.In the present embodiment, linear electric generator 100 is preferably flat linear electric generator or drum type brake linear generating
Machine.And, according to different operating conditions, linear electric generator 100 can also be operated in motoring condition for
Reset after realizing the startup of system and misfire fault and restart recovery.
Each internal combustion engine 200 all includes combustor and the inner carrier 2 being arranged in combustor and outer piston 1,
Inner carrier 2 and outer piston 1 and combustor form airtight cavity, and outer piston 1 and inner carrier 2 can be
Move reciprocatingly in combustor.The combustor of the internal combustion engine 200 in the present embodiment is cylinder barrel shaped air chamber, and
The dead in line of the combustor of two internal combustion engines 200, so can ensure that inner carrier 2 and outer piston 1 move
Stability.
Linear electric generator 100 includes that stator, interior mover 3 and outer mover, the two ends of interior mover 3 connect respectively
To the inner carrier 2 of two internal combustion engines 200, the two ends of the outer mover of linear electric generator 100 are respectively connecting to two
The outer piston 1 of internal combustion engine 200.Two internal combustion engines 200 alternately igniting and air inlet/aerofluxuss so that inner carrier 2
In driving, mover 3 moves reciprocatingly along stator, the magnetic line of force generating of cutting stator.Outer piston 1 drives outer dynamic
Son moves reciprocatingly along stator, the generating of the magnetic line of force of cutting stator, and the motion side of interior mover 3 and outer mover
To on the contrary, the movement velocity of interior mover 3 and outer mover is equal in magnitude.
Convenient for statement, the internal combustion engine 200 on the left side is designated as the first internal combustion engine, the internal combustion engine 200 on the right is marked
It is designated as the second internal combustion engine.Owing to two internal combustion engines 200 are alternately lighted a fire and intake and exhaust, therefore, when first
During internal-combustion engine ignition expansion work, the chemical energy that fuel combustion produces is converted into mechanical energy and electric energy promotes first
Inner carrier 2 and outer piston 1 in internal combustion engine move in the opposite direction, and inner carrier 2 and outer piston 1
Movement velocity is equal in magnitude.So that inner carrier 2 drives interior mover 3 to move, the magnetic line of force of cutting stator
Generating, outer piston 1 drives outer mover to move, the magnetic line of force generating of cutting stator.
Simultaneously as the inner carrier 2 of the second internal combustion engine is by interior mover 3 and the inner carrier 2 of the first internal combustion engine
Connecting, the outer piston 1 of the second internal combustion engine is connected by the outer piston 1 of outer mover and the first internal combustion engine, therefore,
When the first internal-combustion engine ignition expansion work, the gas of the combustor of the second internal combustion engine is compressed, and serves one
Fixed buffering and rebound effect.Meanwhile, the gas of the combustor of the second internal combustion engine is reached the bar of igniting by compression
During part, the second internal-combustion engine ignition expansion work, so it is repeated.
In the present embodiment, different ignition mechanisms can be selected according to the difference of fuel combustion mode in internal combustion engine.
According to spark ignition type ignition mechanism, then can select plug ignition, according to homogenizing charge compression ignition side
Formula (HCCI), then without arranging extra ignition mechanism.As the fuel in above-mentioned first internal combustion engine can pass through
Ignition system is lighted, it is also possible to by inner carrier and the moving compression-ignition of outer piston.When the mode using compression ignition makes
During internal combustion engine, now, linear electric generator is operated in motoring condition, by the interior mover of linear electric generator
Motion with outer mover drives inner carrier and the outer piston relative motion of internal combustion engine, so that internal combustion engine.
After internal combustion engine normally works, linear electric generator switches to generating state from motoring condition.
More preferably, the length of interior mover 3 is less than the length of stator less than the length of stator, the length of outer mover,
So facilitate implementation the integrated of this free piston IC linear electric generator.The both sides of stator are provided with winding
Coil, and this winding coil is preferably centralized winding coil, is so easy to winding coil is arranged on stator
On, simplify installation process.Preferably, the movement travel respectively less than combustor of interior mover 3 and outer mover has
The 1/2 of effect length.
As a kind of embodiment, the quantity of stator is two, the respectively first stator 8 and the second stator 9.
Interior mover 3 is placed between the first stator 8 and the second stator 9, and the first stator 8 is relative with the second stator 9
It is symmetrical arranged in interior mover 3；Outer mover be placed in the first stator 8 and/or outside of the second stator 9.Preferably
, interior mover 3 and outer mover in the present embodiment are moving-magnetic type structure, can be surface-mount type permanent magnet knot
Structure or built-in permanent magnetic body structure.And, permanent magnet array arrangement on interior mover and outer mover can
There to be a series of optimization form, such as, HALBACH (Halbach Array, Halbach battle array are used
Row) permanent magnet array to be to improve the motor performance such as efficiency and motor force constant.
For ensureing the generated output density of this linear electric generator, improve generating capacity, outer dynamic in the present embodiment
The quantity of son is also two, the respectively first outer mover 4 and the second outer mover 5.First outer mover 4 is perpendicular to
The magnetic line of force direction of the first stator 8 is placed on the outside of the first stator 8, and it is fixed that the first outer mover 4 cuts first
The magnetic line of force generating of son 8.Second outer mover 5 is perpendicular to the magnetic line of force direction of the second stator 9 and is placed on second
The outside of stator 9, the second outer mover 5 cuts the magnetic line of force generating of the second stator 9.By arranging outside two
Mover, reduces unilateral frictional dissipation and electromagnetic force is pulsed the vibration caused.Certainly, the first outer mover also may be used
With the angled setting in magnetic line of force direction with the first stator, the second outer mover can also be with the second stator
The angled setting in magnetic line of force direction, as long as meeting the direction of motion of outer mover and the magnetic line of force direction of stator
Not parallel.
Preferably, the axis of movement of the first outer mover 4, the axis of movement of the second outer mover 5 and interior mover 3
Axis of movement be parallel to each other, and the axis of movement of the first outer mover 4, the axis of movement of the second outer mover 5
Identical with gravity direction with the normal orientation of any two the constituted planes in the axis of movement of interior mover 3 or
On the contrary.So be not only convenient for installation and debugging, the air gap caused due to gravity can be overcome again asymmetric because of
Element.Wherein, axis of movement refers to the invisible line that in motion, object is formed, that is the movement locus of object.
As further improving, the free piston IC linear electric generator of the present embodiment also includes guide part
Part, this guiding parts is applicable to support interior mover 3 and outer mover.Preferably, this guiding parts is that straight line is led
Rail.I.e. guiding parts includes the first guide rail being applicable to support interior mover 3, it is adaptable to support the first outer mover 4
The second guide rail 12 and be applicable to support the 3rd guide rail of the second outer mover 5.
Wherein, the first guide rail is provided with the first slide block being connected with the first slide, the first stator 8
Inner side and the inner side of the second stator 9 are provided with the first guide rail, the first slide block on two the first guide rails all with
Interior mover 3 connects.It should be understood that, in the present embodiment, the first stator 8 and inner side of the second stator 9
Refer to that the side at interior mover 3 place, the outside of the first stator 8 and the second stator 9 refer to and interior mover 3 institute
The opposite side relative in side.
Second guide rail 12 is arranged on the outside of the first stator 8, and the second guide rail 12 is provided with and the second guide rail
The second slide block being slidably connected, the second slide block and the first outer mover 4 connect.It is fixed that 3rd guide rail is arranged on second
Son 9 outside, the 3rd guide rail is provided with the 3rd slide block being connected with the 3rd slide, the 3rd slide block and
Second outer mover 5 connects.By arranging guiding parts, it is ensured that opposed inner carrier, opposed outer piston,
The installation of the axiality of interior mover, outer mover and stator and the reliable and stable installation of other parts.
As a kind of embodiment, also include first connecting rod structure 6 and second connecting rod structure 7, first connecting rod
Structure 6 for connecting and keep the reliable and stable synchronized links of two inner carriers 2 and interior mover 3, second
Bar linkage structure 7 is for connecting and keep the reliable and stable synchronized links of two outer pistons 1 and outer mover.
The two ends of interior mover 3 are connected to the inner carrier 2 of two internal combustion engines 200 respectively by first connecting rod structure 6,
The i.e. quantity of first connecting rod structure 6 is two.One end of one of them first connecting rod structure 6 is connected to first
The inner carrier of internal combustion engine, the other end is connected to one end of interior mover 3.The one of another first connecting rod structure 6
End is connected to the inner carrier of the second internal combustion engine, and the other end is connected to the other end of interior mover 3.
The two ends of outer mover are connected to the outer piston 1 of two internal combustion engines 200 respectively by second connecting rod structure 7,
The i.e. quantity at least two of second connecting rod structure 7.Outside at least two second connecting rod structure 7 is connected to
Between mover and outer piston 1.Owing to the quantity of the present embodiment China and foreign countries mover is two, therefore second connecting rod knot
The quantity of structure 7 is four, and one of them second connecting rod structure 7 is arranged on the first outer mover 4 and the first internal combustion
Between the outer piston of machine, second second connecting rod structure 7 is arranged on the first outer mover 4 and the second internal combustion engine
Between outer piston, the 3rd second connecting rod structure 7 is arranged on the second outer mover 5 and outer work of the first internal combustion engine
Between plug, 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 inner carrier 2 connected first connecting rod structure 6 of two internal combustion engines 200 and interior mover 3 form
One moving component PM1, the outer piston 1 connected second connecting rod structure 7 of two internal combustion engines 200 is with outer
Mover forms the second moving component PM2.By arranging guiding parts, it is ensured that the first moving component PM1 with
Reliability in second moving component PM2 motor process and stability.
Each internal combustion engine 200 also includes the gas handling system 10 with combustion chamber and gas extraction system 11, internal combustion engine
The fuel used injects in combustor by gas handling system, and the waste gas after burning discharges combustion by gas extraction system
Burn room.In the present embodiment, two internal combustion engine 200 alternately air inlet/aerofluxuss, and the air inlet/aerofluxus of internal combustion engine
Tong Bu with the fired state of internal combustion engine, i.e. the gas handling system of two internal combustion engines and gas extraction system are within a cycle
Alternating, complementary.
In the present embodiment, gas handling system is the air inlet being arranged on combustor perisporium, and gas extraction system is for arranging
Steam vent on combustor perisporium.In the present embodiment, air inlet, the size of steam vent, pass and enter
Distribution mode on the perisporium of combustor of pore and steam vent and position can actual intake and exhaust efficiency and entering
Evacuation time demand carries out different designs.
Meanwhile, gas handling system and gas extraction system can be two-stroke or four stroke working cycle according to real system
Can there is different mentalities of designing: if two stroke operation circulation, gas handling system and gas extraction system can utilize
Piston movement sequential and piston movement periodic status make air inlet and steam vent execution cycle property open or close
Close.If four stroke engineering circulations, the unlatching/pass of the mechanism controls air inlets such as electromagnetic valve and steam vent can be used
Close.
As a kind of embodiment, also include controlling device；This control device is applicable to control linear generating
Machine switching between generating state and motoring condition.By arranging control device so that the present embodiment from
Certain control method can be used to realize the mode of operation of linear electric generator from sending out by piston type linear electric generator
Electricity condition is to the switching of motoring condition, thus provides certain thrust so that internal combustion engine reaches required pressure,
Realize the even running of internal combustion engine.Control device in the present embodiment can use single-chip microcomputer, DSP, industrial computer
Etc. the control device with automatic control function.
As it is shown in figure 5, the work process of the free piston IC linear electric generator of the present invention is as follows:
Start-up course: during startup, the mode of operation of linear electric generator is motoring condition, now, electromagnetic push
Mover and the motion of outer mover in promoting, thus promote the first moving component PM1 and the second moving component PM2
To different direction motions so that two internal combustion engines respectively reach fired state.After internal-combustion engine ignition is successful,
Linear electric generator switches to generating state.
Power generation process: when, after two internal combustion engine steady operations, the interior mover of linear electric generator is at the band of inner carrier
The magnetic line of force generating of dynamic lower cutting stator, the outer mover of linear electric generator cutting stator under the drive of outer piston
The magnetic line of force generating.When one of them internal combustion engine is in igniting expansion process, its acting part is used for carrying
Dynamic inner carrier and outer piston motion, and then drive interior mover and the motion of outer mover to generate electricity, another part does
Merit gas in compressing the combustor of another internal combustion engine so that another internal combustion engine can be lighted a fire expansion work,
Vice versa.
Keep stable work process: owing to the free piston IC linear electric generator of the present embodiment does not fly
The existence of the energy storage devices such as wheel, therefore the chemical energy of internal combustion engine all discharges during fuel combustion, turns
Turn to the mechanical energy of electric energy and piston.Due to chemical energy release rapidly, its energy may be not enough to another
The compression process of end internal combustion engine.Therefore, the present embodiment uses certain control method to realize by controlling device
The switching from generating state to motoring condition of the mode of operation of linear electric generator, thus provide certain thrust,
Internal combustion engine is made to reach required pressure, it is achieved the even running of internal combustion engine.
The free piston IC linear electric generator of the present embodiment, by using free-piston type internal-combustion engine, makes
Obtain compression ratio adjustable, be suitable for pluralities of fuel.And this free piston IC linear electric generator can be widely
For hybrid electric vehicle or ship etc. it can also be used to the situation such as distributed power generation or isolated island generating.
In the case of power generation requirements is higher, the free-piston type linear electric generator of the present embodiment can also pass through
The quantity of extension linear electric generator and internal combustion engine realizes modularity extension, thus improves generating capacity further,
Put forward high-octane utilization ratio.As use the in parallel form of two set linear electric generators to realize generating etc., accordingly
, the quantity of internal combustion engine, first connecting rod structure and second connecting rod structure etc. also should accordingly increase, to realize
The stability run.
The free piston IC linear electric generator of the present invention, utilizes the alternately ignition-powering of opposed internal combustion engine to push away
Dynamic inner carrier and outer piston adverse movement, it is achieved that the same speed reverse movement cutting stator of interior mover and outer mover
Magnetic line of force generating, thus improve power density and the generating capacity of linear electric generator.Meanwhile, the present invention
Free piston IC linear electric generator structurally decrease elastic recovery device, reduce energy loss,
Improve energy utilization efficiency.Due to the use of double-piston opposed internal combustion engine, effectively reduce native system and ran
Impact in journey, reduces vibration and noise.The present invention uses double mover+three mover spaced array structure, can
By increasing stator and the form of Structure of mover, it is achieved the modularity extension of system.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (10)
1. a free piston IC linear electric generator, it is characterised in that include linear electric generator and two
Internal combustion engine, two described internal combustion engines are symmetrical arranged relative to described linear electric generator；
Each described internal combustion engine all includes combustor and is arranged on the inner carrier in described combustor and outer work
Plug, the perisporium of described inner carrier and described outer piston and described combustor forms airtight cavity, and can be
Move reciprocatingly in described combustor；
Described linear electric generator includes that stator, interior mover and outer mover, the two ends of described interior mover connect respectively
To the inner carrier of two described internal combustion engines, the two ends of described outer mover are respectively connecting to two described internal combustion engines
Outer piston；
Two described internal combustion engine alternately igniting so that described inner carrier drives described interior mover to do along described stator
Move back and forth, cut the magnetic line of force generating of described stator；Described outer piston drives described outer mover along described fixed
Son moves reciprocatingly, and cuts the magnetic line of force generating of described stator, and the fortune of described outer mover and described interior mover
Dynamic in opposite direction.
Free piston IC linear electric generator the most according to claim 1, it is characterised in that described
The length of interior mover is less than the length of described stator, and the length of described outer mover is less than the length of described stator；
The movement travel of described interior mover and described outer mover is respectively less than the 1/2 of the effective length of described combustor.
Free piston IC linear electric generator the most according to claim 2, it is characterised in that described
The quantity of stator is two, the respectively first stator and the second stator；
Described interior mover is placed between described first stator and described second stator, and described first stator and institute
State the second stator to be symmetrical arranged relative to described interior mover；Described outer mover is placed in described first stator and/or institute
State the outside of the second stator.
Free piston IC linear electric generator the most according to claim 3, it is characterised in that described
The quantity of outer mover is two, the respectively first outer mover and the second outer mover；
The magnetic line of force direction that described first outer mover is perpendicular to described first stator is placed on described first stator
Outside, described first outer mover cuts the magnetic line of force generating of described first stator；Described second outer mover is vertical
Be placed on the outside of described second stator in the magnetic line of force direction of described second stator, described second outer mover is cut
Cut the magnetic line of force generating of described second stator.
Free piston IC linear electric generator the most according to claim 4, it is characterised in that described
The axis of movement of the first outer mover, the axis of movement of described second outer mover and the axis of movement of described interior mover
It is parallel to each other, and the axis of movement of described first outer mover, the axis of movement of described second outer mover and described
The normal orientation of any two the constituted planes in the axis of movement of interior mover is identical with gravity direction or phase
Instead.
Free piston IC linear electric generator the most according to claim 3, it is characterised in that also wrap
Include the first guide rail, described first guide rail is provided with the first slide block being connected with described first slide；
The inner side of described first stator and the inner side of described second stator are provided with described first guide rail, two
Described first slide block on described first guide rail is all connected with described interior mover.
Free piston IC linear electric generator the most according to claim 4, it is characterised in that also wrap
Include the second guide rail and the 3rd guide rail；
Described second guide rail is arranged on the outside of described first stator, and described second guide rail is provided with described
The second slide block that second slide connects, described second slide block is connected with described first outer mover；
Described 3rd guide rail is arranged on the outside of described second stator, and described 3rd guide rail is provided with described
The 3rd slide block that 3rd slide connects, described 3rd slide block is connected with described second outer mover.
8., according to the free piston IC linear electric generator described in any one of claim 1-7, its feature exists
In, also include first connecting rod structure and second connecting rod structure；
The two ends of described interior mover are connected to the interior of two described internal combustion engines by described first connecting rod structure respectively
Piston, the two ends of described outer mover are connected to two described internal combustion engines by described second connecting rod structure respectively
Outer piston.
9., according to the free piston IC linear electric generator described in any one of claim 1-7, its feature exists
In, described linear electric generator is flat linear electric generator or drum type brake linear electric generator.
10., according to the free piston IC linear electric generator described in any one of claim 1-7, its feature exists
In, also include controlling device；
Described control device is applicable to control described linear electric generator cutting between generating state and motoring condition
Change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071904.8A CN105986890B (en) | 2015-02-11 | 2015-02-11 | Free piston IC linear electric generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071904.8A CN105986890B (en) | 2015-02-11 | 2015-02-11 | Free piston IC linear electric generator |
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| Publication Number | Publication Date |
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| CN105986890A true CN105986890A (en) | 2016-10-05 |
| CN105986890B CN105986890B (en) | 2019-03-15 |
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| CN201510071904.8A Active CN105986890B (en) | 2015-02-11 | 2015-02-11 | Free piston IC linear electric generator |
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| CN105986890B (en) | 2019-03-15 |
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