CN207776907U - A kind of thermo-electrically reforming unit can be used for small-sized Organic Rankine Cycle residual neat recovering system - Google Patents
A kind of thermo-electrically reforming unit can be used for small-sized Organic Rankine Cycle residual neat recovering system Download PDFInfo
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- CN207776907U CN207776907U CN201721507530.0U CN201721507530U CN207776907U CN 207776907 U CN207776907 U CN 207776907U CN 201721507530 U CN201721507530 U CN 201721507530U CN 207776907 U CN207776907 U CN 207776907U
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Abstract
A kind of thermo-electric converting device can be used for small-sized Organic Rankine Cycle residual neat recovering system, belongs to waste heat recovery field.The device couples the free piston expander of single cylinder two-way function with a magneto cylindrical linear generator, reciprocating motion of the pistons is pushed by the high temperature and high pressure gas of input, the mover of linear electric generator is driven to do the movement of reciprocating cutting magnetic induction line, to which the energy entrained by high temperature and high pressure gas is converted into electric energy output.The occasion that the device is mainly used in air powered engine dynamical system, vehicular engine waste heat from tail gas is compact-sized using system etc., power density is high.
Description
Technical field
The utility model is related to a kind of devices exporting electric energy using high temperature and high pressure gas, and in particular to small-sized organic Rankine
Waste heat recovery field is recycled, the low-grade energies such as Vehicular internal combustion engine exhaust heat energy can be converted to electric energy output, effectively improved
Energy utilization rate.
Background technology
With the fast development of society, increasing rapidly for auto output and ownership is bound to cause a large amount of energy consumption
With severe environmental protection pressure, the CO of Vehicular internal combustion engine discharge2Account for about global CO2The 1/4 of total release.From the energy of Vehicular internal combustion engine
From the point of view of amount balance, the fuel combustion total amount of heat of only 30%-45% (diesel engine) or 20%-30% (gasoline engine) are defeated for power
Go out, friction loss and mechanical loss are about the 10% of fuel combustion total amount of heat, remaining energy mainly by cooling medium and
Exhaust is discharged into air.Therefore, the waste heat energy high efficiente callback of Vehicular internal combustion engine is automobile-used using that can effectively improve
Internal combustion engine overall energetic efficiency reduces fuel consumption, reduces CO2And pollutant emission.
In terms of recycling exhaust heat of internal combustion engine, small-sized organic rankine cycle system is received by its superior performance
Extensive concern, since by the small restriction of working medium flow, traditional displacement type expander being followed applied to automobile-used organic Rankine
There are certain difficulties in the small-sized residual neat recovering system such as loop system.Therefore exploitation design is a kind of suitable for small-sized low-grade heat source
Expanding machine seems very necessary.
Utility model content
Purpose of the utility model is to solve the above problems, propose a kind of single cylinder dual-action free piston expander
The integrated unit of linear electric generator is coupled as energy conversion device.The device is by the double-acting cylinder of single-piston and a permanent magnetism
Formula cylindrical linear generator couples, and pushes reciprocating motion of the pistons by the high temperature and high pressure gas of input, drives linear electric generator
Mover does the movement of reciprocating cutting magnetic induction line, to convert the energy entrained by high temperature and high pressure gas to electric energy output.The dress
It sets and is mainly used in air powered engine dynamical system, vehicular engine waste heat from tail gas utilizes the compact-sized, power such as system
The high occasion of density.
In order to realize that above-mentioned target, the technical solution adopted in the utility model are a kind of electric using high temperature and high pressure gas output
A kind of single-piston double-acting expansion machine power generator, that is, thermo-electrically can be used for small-sized Organic Rankine Cycle residual neat recovering system of energy
Reforming unit.
A kind of thermo-electrically conversion integrating device can be used for small-sized Organic Rankine Cycle waste heat recovery, it is characterised in that：The dress
Set mainly the Piston Expander system including free travel, magneto cylindrical linear generator system, acquisition control system；
The Piston Expander system of above-mentioned free travel, including the close switch A of free piston expander (21), magnetic strength
(20), the close switch B (22) of magnetic strength, the first working medium mass flowmenter (33), the second working medium mass flowmenter (35), the first threeway
Valve (18), the second triple valve (34), the first solenoid valve (17), second solenoid valve (36), third solenoid valve (37), the 4th solenoid valve
(38), current divider (42), pressure maintaining valve (43), air accumulator (44)；Air accumulator (44) divides afterwards via pressure maintaining valve (43), current divider (42)
For Liang Ge branches air inlet pipeline, current divider (42) be divided into branch air inlet pipeline respectively with second solenoid valve (36), third solenoid valve
(37) it connects, second solenoid valve (36) is swollen via the first triple valve (18), the first working medium mass flowmenter (33) and free-piston
Gas port A (11) connections of swollen machine (21) are equipped with the on the pipeline between gas port A (11) and the first working medium mass flowmenter (33)
One pressure sensor (19) and the first temperature sensor (32)；Third solenoid valve (37) is via the second triple valve (34), the second work
Matter mass flowmenter (35) is connect with the gas port B (3) of free piston expander (21), in gas port B (3) and the second working medium quality stream
Pipeline between gauge (35) is equipped with second pressure sensor (31) and second temperature sensor (30)；First threeway simultaneously
Valve (18) is also connect with the first solenoid valve (17) so that gas port A (11), the first working medium mass flowmenter (33), the first triple valve
(18), the first solenoid valve (17) constitutes a bypass vent pipeline；Second triple valve (34) is also connect with the 4th solenoid valve (38), is made
It obtains gas port B (3), the second working medium mass flowmenter (35), the second triple valve (34) and also constitutes another point with the 4th solenoid valve (38)
Branch gas exhaust piping, it is above-mentioned to be connected as piping connection；；
Magneto cylindrical linear generator system includes magneto cylindrical linear generator (25), rectifier (29), electric energy
The linear electric generator mover (28) of storage unit (39), magneto cylindrical linear generator (25) is lived by connecting rod (23) and freely
Piston rod (1) in plug expanding machine (21) is fixedly connected, the linear generating machine stator of magneto cylindrical linear generator (25)
(27) rectified device (29) connect with energy storage unit (39), above-mentioned to be connected as circuit connection；
Acquisition control system include computer control module (41), multichannel collecting instrument (40), magnetic strength close to switch A (20),
Magnetic strength is arranged symmetrically in free-piston expansion close to switch A (20) and magnetic strength close to switch B (22), magnetic strength close to switch B (22)
Machine (21) both sides, the location information for detecting free piston expander (21) inner carrier (7)；The close switch A (20) of magnetic strength,
The close switch B (22) of magnetic strength, the first solenoid valve (17), second solenoid valve (36), third solenoid valve (37), the 4th solenoid valve
(38), second pressure sensor (31), second temperature sensor (30), first pressure sensor (19), the first temperature sensor
(32) it is connect respectively with multichannel collecting instrument (40), multichannel collecting instrument (40) is connect with computer control module (41)；Computer control
Molding block (41) at the same also respectively with the first solenoid valve (17), second solenoid valve (36), third solenoid valve (37), the 4th solenoid valve
(38), second pressure sensor (31) connects；Connection in acquisition control system is that circuit or truck connect.
Free piston expander (21) takes horizontal arranging mode with magneto cylindrical linear generator (25), i.e., freely lives
It is 180 degree to fill in the v-angle between expanding machine (21) and magneto cylindrical linear generator (25), and even by connecting rod (23)
Connect, connecting rod (23) both ends by flexible adapter respectively with free piston expander (21) and magneto cylindrical linear generator
(25) coaxially connected.Magnetic strength is arranged symmetrically in free piston expander (21) close to switch A (20) and magnetic strength close to switch B (22)
Both sides, the location information for detecting free piston expander (21) inner carrier (7).
Further free piston expander (21) structure is as follows, and cylinder barrel (5) both ends are machined with mounting groove, the mounting groove point
Not with rodless side end cap (12) and there is bar side end cap (15) to connect, and both ends connecting portion is equipped with O-ring seal (14)；There is bar
Side end cap (15) centre is equipped with the centre bore passed through for piston rod (1), and at center, the inner surface of sky is disposed with guide sleeve
(16), guide sleeve (16) inner surface is piston rod seals (2), has the side of bar side end cap (15) to be radially provided with through-hole as gas
Mouth B (3), piston rod (1) pass through piston rod seals (2), guide sleeve (16) and the piston (7) in cylinder barrel (5) to fasten
Connection；It is machined with annular groove in piston (7) outer circumference and is respectively used to installation piston packing (8) and wear ring (9)；In piston
(7) this side for having bar side end cap (15), the piston rod (1) being connect with piston (7) are equipped with the first cushion collar (6)；In piston
(7) this side of rodless side end cap (12), the piston rod (1) being connect with piston (7) are equipped with the second cushion collar (13)；Unidirectionally
Trimmer valve B (4) has been arranged on bar side end cap (15), and one-way buffer valve A (10) is arranged on rodless side end cap (12), rodless side
The side of end cap (12) is radially provided with through-hole as gas port A (11), and the piston rod (1) in rodless side end cap (12) side axially pushes up
End is connect equipped with cavity with gas port A (11).
Have the function of gas buffer inside free piston expander (21), it is living when free piston expander (21) work
When plug (7) is run to close to rodless side end cap (12) position, the second cushion collar (13) will block free piston expander gas port A
(11), at this point, free piston expander (21) can only be discharged by one-way buffer valve A (10) in lack of gas, internal piston gas is realized
Buffering, prevents piston (7) from being hit to rodless side end cap (12), and can be by adjusting opening for one-way buffer valve A (10)
Degree realizes the adjustment to cushion effect size.When piston (7) to have bar side end cap (15) direction run when, similarly.
The present apparatus sets displacement alarm point X1, X2 by adjusting, can adjust piston in free piston expander (21)
(7) stroke, to adapt to work under different operating modes, to obtain better energy conversion efficiency.Meanwhile passing through acquisition control
The duration that system adjusts separately second solenoid valve (36), third solenoid valve (37) is opened, the expansion stroke time can be adjusted
Length, to ensure under different operating modes, the compressed gas of high temperature and pressure can expand completely, to improve capacity usage ratio, subtract
Few energy loss.
The device include the single cylinder dual-action free piston expander of free travel, magneto cylindrical linear generator,
Control valve, data collecting instrument, computer control module, rectifier bridge, external electric energy storage device and circuit is connected accordingly.Its
In, the free piston expander driven by high temperature and high pressure gas is used as power input device, and electricity is generated by cutting magnetic induction line
The linear electric generator of energy is as power output device.Free piston expander is by piston, cylinder barrel, cylinder body with free travel
The valve actuating mechanism at both ends, the close switch of magnetic strength for displacement detecting, pressure sensor and temperature sensor in cylinder body gas circuit
Composition.Free piston expander and magneto cylindrical linear generator take horizontal arranging mode, i.e., free piston expander with
V-angle between magneto cylindrical linear generator is 180 degree.The magneto cylindrical linear hair to be generated electricity by cutting magnetic induction line
Motor includes linear generating machine stator and linear electric generator mover, and linear generating machine stator is connect with rectifier, the rectifier with
Electrical energy storage device connects, and linear electric generator mover is coaxially connected with piston by connecting rod, and is defined as piston company
Bar assembly.Since free piston expander has abandoned toggle, piston can be between its left stop and right stop certainly
By moving, move by cylinder pressure, the joint effect of electromagnetic linear motor power and mechanical friction.Data collecting instrument
It is connected respectively close to switch, electrical energy storage device with pressure sensor, temperature sensor, magnetic strength；In different service conditions
Under, data collecting system simultaneously freely sets cylinder by reception pressure sensor, the detection signal of temperature sensor, accurate calculate
Both sides displacement alarm point (X1、X2) position；Computer control module is connected with data collecting instrument, receives the work that data collecting instrument transmits
The storage information for filling in link assembly displacement data and electrical energy storage device, when free piston expander inner carrier runs to displacement report
Alert point (X1、X2) position when, computer control module controls the opening and closing of intake and exhaust solenoid valve immediately, ensures that system continuous-stable is efficient
Operation.
Compared with prior art, the utility model has the following advantages：
1, compared with existing piston expansion engine, the present apparatus has abandoned toggle, and piston motion is in the process without side
It is generated to power, frictional resistance is small, and energy loss is reduced.
2, the device is internally provided with gas buffer function, is prevented using the free piston expander of single cylinder two-way function
Piston collides with cylinder cap, ensures system stable operation.
3, the device uses single-piston two-action cylinder, simple in structure compared with existing double cylinder expanders, is easy to
Control, and apparatus structure is compact, occupies small.
4, under various operating conditions, cylinder both sides displacement alarm point (X1、X2) can freely be arranged, i.e., piston stroke can
Flexibly to control, and, thus according to different operating modes, expansion stroke length can be adjusted by solenoid valve control inlet period,
Be conducive to efficiently export electric energy under different operating modes.
Description of the drawings
Fig. 1 is the cross-sectional view of the structure of single-piston double acting free piston expander；
Fig. 2 is single-piston double acting free piston linear generator apparatus structure schematic diagram.
In Fig. 1：1, piston rod；2, piston rod seals；3, free piston expander gas port B；4, one-way buffer valve B；5、
Cylinder barrel；6, the first cushion collar；7, piston；8, piston packing；9, wear ring；10, one-way buffer valve A；11, free-piston is swollen
Swollen machine gas port A；12, rodless side end cap；13, the second cushion collar；14, O-ring seal；15, there is bar side end cap；16, guide sleeve.
In Fig. 2：17, the first solenoid valve；18, the first triple valve；19, first pressure sensor；20, the close switch A of magnetic strength；
21, free piston expander；22, the close switch B of magnetic strength；23, connecting rod；24, baffle is connected；25, magneto cylindrical linear generates electricity
Machine；26, support plate；27, linear generating machine stator；28, linear electric generator mover；29, rectifier；30, second temperature sensor；
31, second pressure sensor；32, the first temperature sensor；33, the first working medium mass flowmenter；34, the second triple valve；35,
Two working medium mass flowmenters；36, second solenoid valve；37, third solenoid valve；38, the 4th solenoid valve；39, electrical energy storage device；
40, multichannel collecting instrument；41, computer control module；42, current divider；43, pressure maintaining valve；44, air accumulator.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings, but the utility model is not limited to following reality
Apply example.
Embodiment 1
Fig. 1 is the cross-sectional view of the structure of single-piston double acting free piston expander, and connection type is as shown in Figure 1.Cylinder
5 both ends of cylinder are machined with mounting groove, the mounting groove respectively with rodless side end cap 12 and there is bar side end cap 15 to connect, and both ends connection
Position is equipped with O-ring seal 14；There is 15 centre of bar side end cap to be equipped with the centre bore passed through for piston rod 1, at center
Empty inner surface is disposed with guide sleeve 16, and 16 inner surface of guide sleeve is piston rod seals 2, has the side of bar side end cap 15 radial
Equipped with through-hole as gas port B3, piston rod 1 passes through piston rod seals 2, guide sleeve 16 and the piston 7 in cylinder barrel 5 tight
It is solidly connected；It is machined with annular groove in 7 outer circumference of piston and is respectively used to installation piston packing 8 and wear ring 9；There is bar in piston 7
This side of side end cap 15, the piston rod 1 being connect with piston 7 are equipped with the first cushion collar 6；In 7 rodless side end cap 12 of piston
This side, the piston rod 1 being connect with piston 7 are equipped with the second cushion collar 13；One-way buffer valve B4 has been arranged in bar side end cap 15
On, one-way buffer valve A10 is arranged on rodless side end cap 12, and the side of rodless side end cap 12 is radially provided with through-hole as gas port
A11, the axial top of piston rod 1 in 12 side of rodless side end cap are connect equipped with cavity with gas port A11.Work as free piston expander
When 21 work, when piston 7 is run to close to rodless side 12 position of end cap, the second cushion collar 13 will block free piston expander
Gas port A11 realizes that internal piston gas is slow at this point, free piston expander 21 can only be discharged by one-way buffer valve A10 in lack of gas
Punching, prevents piston 7 from being hit to rodless side end cap 12, and can pass through the aperture of adjusting one-way buffer valve A 10, realization pair
The adjustment of cushion effect size.When piston 7 to have 15 direction of bar side end cap run when, similarly.
Fig. 2 is single-piston double acting free piston linear generator apparatus structure schematic diagram, connection relation such as Fig. 2 institutes
Show.The device is mainly by the Piston Expander system of free travel, magneto cylindrical linear generator system, acquisition control system
It is formed with corresponding connection line.Above-mentioned free piston expander system, including the close switch of free piston expander 21, magnetic strength
A20, magnetic strength are close to switch B22, the first working medium mass flowmenter 33, the second working medium mass flowmenter 35, the first triple valve 18, the
Two triple valves 34, the first solenoid valve 17, second solenoid valve 36, third solenoid valve 37, the 4th solenoid valve 38, current divider 42, voltage stabilizing
Valve 43, air accumulator 44 and connect pipeline between them；Magneto cylindrical linear generator system includes that linear electric generator is fixed
Son 27, linear electric generator mover 28, connection baffle 24, rectifier 29, energy storage unit 39, multichannel collecting instrument 40 and
Connect their circuit；Acquisition control system includes computer control module 41, multichannel collecting instrument 40, the first solenoid valve 17,
Two solenoid valves 36, third solenoid valve 37, the 4th solenoid valve 38, first pressure sensor 19, the 31, first temperature of second pressure sensor
Spend the close switch A20 of sensor 30, second temperature sensor 32, magnetic strength, the close switch B22 of magnetic strength.
The connection relation of each component of free piston expander system air inlet pipeline is：Air accumulator 44, pressure maintaining valve 43, current divider
42, second and third the 18,34, first and second working medium mass flowmenter of the 36,37, first and second triple valve of solenoid valve 33,35, free-piston
Expanding machine gas port A11, free piston expander gas port B3 are connected by pipeline head and the tail.
The connection relation of free piston expander system exhaust pipeline components is：Free piston expander gas port A11, from
Pipeline head and the tail are passed through by Piston Expander gas port B3, first and second the 33,35, first, fourth solenoid valve of working medium mass flowmenter 17,38
Connection.
The connection relation of each component of acquisition control system is：The 20,22, first and second pressure sensor 19 of the close switch of magnetic strength,
31, first and second the 30,32, first, second, third and fourth solenoid valve of temperature sensor 17,36,37,38, energy storage unit 39 are distinguished
It is connected with multichannel collecting instrument 40 by harness, multichannel collecting instrument 40 is connected with computer control module 41.
Free piston expander 21 takes horizontal arranging mode, i.e. free-piston swollen with magneto cylindrical linear generator 25
V-angle between swollen machine 21 and magneto cylindrical linear generator 25 is 180 degree, and is connected by connecting rod 23,23 liang of connecting rod
End is coaxially connected with free piston expander 21 and magneto cylindrical linear generator 25 respectively by flexible adapter.Magnetic strength connects
Nearly switch A20 and magnetic strength are arranged symmetrically in 21 both sides of free piston expander close to switch B22, for detecting free-piston expansion
The location information of 21 inner carrier 7 of machine.First and second the 19,31, first and second temperature sensor of pressure sensor 30,32 is arranged in
With on free piston expander gas port A, B11,3 pipelines being connected, for measuring 21 inner pressure of air cylinder temperature of free piston expander
Spend situation.
The operation principle of free piston expander-linear motor is described in detail below in conjunction with attached drawing：
The double-acting free piston linear generator power of the utility model single-piston is being expanded from pressure high temperature hot gas
Expansion work in machine.High temperature and high pressure gas in input cylinder is dry working medium and its state is saturated vapor or superheated steam, through swollen
Become low-temp low-pressure lack of gas discharge free piston expander after swollen.
When device is started to work, second solenoid valve 36 is opened, and the first solenoid valve 17 is closed, and the 4th solenoid valve 38 is opened, the
Three solenoid valves 37 are closed, and the high temperature and high pressure gas in air accumulator 44 is by 36 place air inlet pipeline of second solenoid valve, from free work
It fills in expanding machine gas port A11 and flows into free piston expander 21, piston 7 is pushed to be moved from gas port A to gas port B, lack of gas are from free work
The B11 outflows of expanding machine gas port are filled in, the 38 place gas exhaust piping discharge of the 4th solenoid valve is passed through.After being passed through certain time t second, the second electricity
Magnet valve 36 is closed, and first and third, four solenoid valves, 17,37,38 state is constant, and high temperature and high pressure gas is in free piston expander 21
Free wxpansion continues to press on the movement of piston 7.Displacement alarm point is set when piston 7 moves to the ends free piston expander gas port B3
X2When, acquisition control system sends out instruction, and second solenoid valve 36 is closed, and the first solenoid valve 17 is opened, and the 4th solenoid valve 38 closes
It closes, third solenoid valve 37 is opened, and the high temperature and high pressure gas in air accumulator 44 is by 37 place air inlet pipeline of third solenoid valve, from certainly
By Piston Expander gas port B3 freedoms of entry Piston Expander 21, piston 7 is pushed to be moved from gas port B to gas port A, lack of gas are from freedom
The A11 outflows of Piston Expander gas port pass through the 17 place gas exhaust piping discharge of the first solenoid valve.After being passed through certain time t second, the
Three solenoid valves 37 are closed, and first and second, four solenoid valves, 17,36,38 state is constant, and high temperature and high pressure gas is in free piston expander
Free wxpansion in 21 continues to press on the movement of piston 7.Similarly, when piston motion to the ends free piston expander gas port A11 sets position
Move alarm point X1When, acquisition control system sends out instruction, and second solenoid valve 36 is opened, and the first solenoid valve 17 is closed, the 4th electromagnetism
Valve 38 is opened, and third solenoid valve 37 is closed, and pressure high temperature hot gas is swollen by free piston expander gas port A11 freedom of entry pistons
Swollen machine starts subsequent work cycle.In 7 reciprocatory movement of piston, drum type brake linear electric generator mover is driven by connecting rod 23
Overturning when mover continuously moves, is changed by the flow direction of coil, is produced electricl energy, the alternating current of output passes through by 28 movements
Rectifier 29 is converted into direct current and is stored into electrical energy storage device 39.The present apparatus sets displacement alarm point X by adjusting1、X2,
The stroke that piston 7 in free piston expander 21 can be adjusted, to adapt to work under different operating modes, to obtain better energy
Measure transformation efficiency.Meanwhile second solenoid valve 36 is adjusted by acquisition control system, the duration that third solenoid valve 37 is opened,
Expansion stroke time length can be adjusted, to ensure under different operating modes, the compressed gas of high temperature and pressure can expand completely,
To improve capacity usage ratio, energy loss is reduced.Compare existing expanding machine, the present apparatus have compact-sized, friction loss is small,
The advantages that energy conversion efficiency is high has relatively broad application prospect.
Claims (3)
1. a kind of thermo-electrically reforming unit can be used for small-sized Organic Rankine Cycle residual neat recovering system, it is characterised in that：The device
Mainly the Piston Expander system including free travel, magneto cylindrical linear generator system, acquisition control system；
The Piston Expander system of above-mentioned free travel, including the close switch A (20) of free piston expander (21), magnetic strength,
The close switch B (22) of magnetic strength, the first working medium mass flowmenter (33), the second working medium mass flowmenter (35), the first triple valve
(18), the second triple valve (34), the first solenoid valve (17), second solenoid valve (36), third solenoid valve (37), the 4th solenoid valve
(38), current divider (42), pressure maintaining valve (43), air accumulator (44)；Air accumulator (44) divides afterwards via pressure maintaining valve (43), current divider (42)
For Liang Ge branches air inlet pipeline, current divider (42) be divided into branch air inlet pipeline respectively with second solenoid valve (36), third solenoid valve
(37) it connects, second solenoid valve (36) is swollen via the first triple valve (18), the first working medium mass flowmenter (33) and free-piston
Gas port A (11) connections of swollen machine (21) are equipped with the on the pipeline between gas port A (11) and the first working medium mass flowmenter (33)
One pressure sensor (19) and the first temperature sensor (32)；Third solenoid valve (37) is via the second triple valve (34), the second work
Matter mass flowmenter (35) is connect with the gas port B (3) of free piston expander (21), in gas port B (3) and the second working medium quality stream
Pipeline between gauge (35) is equipped with second pressure sensor (31) and second temperature sensor (30)；First triple valve simultaneously
(18) it is also connect with the first solenoid valve (17) so that gas port A (11), the first working medium mass flowmenter (33), the first triple valve
(18), the first solenoid valve (17) constitutes a bypass vent pipeline；Second triple valve (34) is also connect with the 4th solenoid valve (38), is made
It obtains gas port B (3), the second working medium mass flowmenter (35), the second triple valve (34) and also constitutes another point with the 4th solenoid valve (38)
Branch gas exhaust piping, it is above-mentioned to be connected as piping connection；
Magneto cylindrical linear generator system includes magneto cylindrical linear generator (25), rectifier (29), power storage
The linear electric generator mover (28) of unit (39), magneto cylindrical linear generator (25) is swollen by connecting rod (23) and free-piston
Piston rod (1) in swollen machine (21) is fixedly connected, linear generating machine stator (27) warp of magneto cylindrical linear generator (25)
Rectifier (29) is connect with energy storage unit (39), above-mentioned to be connected as circuit connection；
Acquisition control system includes computer control module (41), multichannel collecting instrument (40), the close switch A (20) of magnetic strength, magnetic strength
Close to switch B (22), magnetic strength is arranged symmetrically in free piston expander close to switch A (20) and magnetic strength close to switch B (22)
(21) both sides, the location information for detecting free piston expander (21) inner carrier (7)；The close switch A (20) of magnetic strength, magnetic strength
Close to switch B (22), the first solenoid valve (17), second solenoid valve (36), third solenoid valve (37), the 4th solenoid valve (38), the
Two pressure sensors (31), second temperature sensor (30), first pressure sensor (19), the first temperature sensor (32) are respectively
It is connect with multichannel collecting instrument (40), multichannel collecting instrument (40) is connect with computer control module (41)；Computer control module
(41) while also respectively with the first solenoid valve (17), second solenoid valve (36), third solenoid valve (37), the 4th solenoid valve (38),
Second pressure sensor (31) connects；Connection in acquisition control system is that circuit or truck connect.
2. a kind of thermo-electrically conversion dress can be used for small-sized Organic Rankine Cycle residual neat recovering system described in accordance with the claim 1
It sets, it is characterised in that：Free piston expander (21) takes horizontal arranging mode with magneto cylindrical linear generator (25), i.e.,
V-angle between free piston expander (21) and magneto cylindrical linear generator (25) is 180 degree, and passes through connecting rod
(23) it connects, connecting rod (23) both ends are sent out with free piston expander (21) and magneto cylindrical linear respectively by flexible adapter
Motor (25) is coaxially connected.
3. a kind of thermo-electrically conversion dress can be used for small-sized Organic Rankine Cycle residual neat recovering system described in accordance with the claim 1
It sets, it is characterised in that：Free piston expander (21) structure is as follows, and cylinder barrel (5) both ends are machined with mounting groove, the mounting groove point
Not with rodless side end cap (12) and there is bar side end cap (15) to connect, and both ends connecting portion is equipped with O-ring seal (14)；There is bar
Side end cap (15) centre is equipped with the centre bore passed through for piston rod (1), and at center, the inner surface of sky is disposed with guide sleeve
(16), guide sleeve (16) inner surface is piston rod seals (2), has the side of bar side end cap (15) to be radially provided with through-hole as gas
Mouth B (3), piston rod (1) pass through piston rod seals (2), guide sleeve (16) and the piston (7) in cylinder barrel (5) to fasten
Connection；It is machined with annular groove in piston (7) outer circumference and is respectively used to installation piston packing (8) and wear ring (9)；In piston
(7) this side for having bar side end cap (15), the piston rod (1) being connect with piston (7) are equipped with the first cushion collar (6)；In piston
(7) this side of rodless side end cap (12), the piston rod (1) being connect with piston (7) are equipped with the second cushion collar (13)；It is unidirectional slow
It rushes valve B (4) to be arranged on bar side end cap (15), one-way buffer valve A (10) is arranged on rodless side end cap (12), rodless side end
The side of lid (12) is radially provided with through-hole as gas port A (11), and the axial top of piston rod (1) in rodless side end cap (12) side is set
There is cavity to be connect with gas port A (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721507530.0U CN207776907U (en) | 2017-11-13 | 2017-11-13 | A kind of thermo-electrically reforming unit can be used for small-sized Organic Rankine Cycle residual neat recovering system |
Applications Claiming Priority (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762560A (en) * | 2017-11-13 | 2018-03-06 | 北京工业大学 | A kind of thermo-electric converting device available for small-sized organic Rankine bottoming cycle residual neat recovering system |
| CN112326256A (en) * | 2020-09-04 | 2021-02-05 | 山东休普动力科技股份有限公司 | Method and system for improving FPLG combustion thermal efficiency based on constant volume combustion |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762560A (en) * | 2017-11-13 | 2018-03-06 | 北京工业大学 | A kind of thermo-electric converting device available for small-sized organic Rankine bottoming cycle residual neat recovering system |
| CN107762560B (en) * | 2017-11-13 | 2023-12-22 | 北京工业大学 | Thermal-electric conversion device for small organic Rankine cycle waste heat recovery system |
| CN112326256A (en) * | 2020-09-04 | 2021-02-05 | 山东休普动力科技股份有限公司 | Method and system for improving FPLG combustion thermal efficiency based on constant volume combustion |
| CN112326256B (en) * | 2020-09-04 | 2022-08-23 | 山东休普动力科技股份有限公司 | Method and system for improving FPLG combustion thermal efficiency based on constant volume combustion |
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