CN207454191U - A kind of stirling generator with spherical surface Fresnel solar energy heat collector - Google Patents
A kind of stirling generator with spherical surface Fresnel solar energy heat collector Download PDFInfo
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- CN207454191U CN207454191U CN201721432262.0U CN201721432262U CN207454191U CN 207454191 U CN207454191 U CN 207454191U CN 201721432262 U CN201721432262 U CN 201721432262U CN 207454191 U CN207454191 U CN 207454191U
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- cylinder
- solar energy
- spherical surface
- piston
- surface fresnel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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Abstract
The utility model discloses a kind of stirling generators with spherical surface Fresnel solar energy heat collector, belong to solar energy generation technology field.Generator utilizes the generation mode of solar energy thermal effect based on Stirling cycle, by being equipped with the solar energy heat collector of spherical surface Fresnel mirror, ensures the rigidity of structure of Fresnel lens, hemispherical dome structure makes lens be not susceptible to deform, and is not easy that light is caused to defocus；Using umbrella-type support frame, stability is high, unobstructed to convergence light.The orthogonal convergence to sunlight can be achieved to arbitrary sun inclination angle simultaneously, improve the converging ratio of lens and the utilization rate of solar energy.Reduce light path of the sunlight by lens, reduce absorption of the lens to sunlight, and absorptivity of the system to solar energy is better ensured that on light-gathering, effectively improve the generating efficiency of generator.Generator can also be with other electric storage devices with the use of storage electric power；And the high material that consumes energy is substituted, production cost is reduced, reduces pollution.
Description
Technical field
The utility model is related to solar energy generation technology fields, specifically, are related to a kind of with spherical surface Fresnel solar
The stirling generator of energy heat collector.
Background technology
With socio-economic development and progress, status residing for the energy becomes increasingly conspicuous.And energy resource supply is mainly disposably to change
Based on stone fuel, nowadays fossil fuel scarcity and problem of environmental pollution getting worse increasingly, can substitute the disposable energy
Renewable, cleaning, the green energy resource research of environmental protection, particularly clean energy resource power generation applications have great importance.
The utilization of the energy under overall situation, luminous energy are undoubtedly preferred clean energy resource.Between the past more than ten years, photovoltaic generation
Industry receives the support energetically of national governments, develops clean energy resource referred national strategy level.But undeniably, light
The production of silicon tabula rasa needs to consume the substantial amounts of energy used in volt power generation, can also generate very big pollution.And it uses to focus on
Solar energy generates electricity for the Stirling cycle of heat source, and high Energy in use, heavy-polluted monocrystalline silicon, the photovoltaic of polysilicon material is not required
Plate, the characteristics of really having played solar energy clean energy resource.Research shows the solar power generation mode based on Stirling cycle than passing
Photovoltaic generation mode of uniting has higher generating efficiency, wider array of application prospect.
Traditional Stirling-electric hybrid be it is a kind of be recycled back to hot type external-combustion engine using fossil fuel as the energy, by external combustion fuel energize
Just it is present with the problem of high to fuel purity requirement and energy dissipation is big.Such as a kind of patent CN 205508223 U " Stirling-electric hybrids
Using alcohol energy-provision way in apparatus for demonstrating ", efficiency of combustion is relatively low, but higher to alcohol purity requirement.In patent of invention
The solar cooker focused solar energy energy-provision way used in CN 1O6870199 A " a kind of scene cogeneration machine ", utilizes solar cooker
Though can be energy saving, solar cooker light gathering efficiency is low, and can not rotate solar cooker optically focused in real time in face of the movement of sunlight, greatly
The big utilization rate reduced to solar energy.
Utility model content
In order to avoid the shortcomings of the prior art, the utility model proposes one kind to carry spherical surface Fresnel solar energy thermal-arrest
The stirling generator of device.It is generated electricity based on Stirling cycle using the fuel factor of solar energy, avoids Energy in use high, heavy-polluted
Photovoltaic panel；The solar energy heat collector of spherical surface Fresnel mirror is equipped with, will not relate to rotate asking for face solar focusing in real time
Topic, while reduce light path of the sunlight by lens, absorption of the lens to sunlight is reduced, and is better ensured that on light-gathering
System effectively improves the generating efficiency of generator to the absorptivity of solar energy.
Technical solution is used by the utility model solves its technical problem:Including spherical surface Fresnel Lenses, hot cylinder,
Cold cylinder, cooling fin, hot gas the cylinder piston, cold air the cylinder piston, regenerator, first piston connecting rod, second piston connecting rod, axle sleeve, song
Axis, flywheel, shaft coupling, generator and umbrella-type support frame, it is characterised in that the spherical surface Fresnel Lenses and hot cylinder and umbrella shape
Supporting rack is connected, and hot cylinder is located at spherical surface Fresnel Lenses lower part, and the centre of sphere of spherical surface Fresnel Lenses is located at hot cylinder axis
On line, spherical surface Fresnel Lenses provides thermal energy for focused solar energy heating cylinder, promotes piston acting, umbrella-type support frame and heat
The angle of cylinder is more than light and converges angle；The hot gas the cylinder piston is with hot cylinder cooperation positioned at the top of bent axle, first piston
Connecting rod one end is connected with hot gas the cylinder piston, and the axle sleeve that the first piston connecting rod other end coordinates with bent axle is hinged；The cold cylinder position
In the side of hot cylinder, cold air the cylinder piston is with cold cylinder cooperation positioned at the top of bent axle, second piston connecting rod one end and cold cylinder
Piston connects, and the axle sleeve that the second piston connecting rod other end coordinates with bent axle is hinged, and cooling fin, cold cylinder are coated at the top of cold cylinder
It is connected between hot cylinder by regenerator；The axle sleeve is nested in the convex place of turning of bent axle and is rotate in same direction with bent axle, the bent axle
One end is connected with flywheel, and the bent axle other end is connected with generator output shaft by shaft coupling.
The spherical surface Fresnel Lenses is the hemispherical dome structure of polylith unit sheet Fresnel mirror composition, and Fresnel Lenses can
Solar energy is converged under different sun declinations.
The axle sleeve is two sets, and axle sleeve is fastened by two semicircle bearing shells, and axle sleeve is processed using brass material.
The cooling fin is isocentric circular arc structure with the outer wall of cold cylinder, and cooling fin uses copper material.
Advantageous effect
The utility model proposes a kind of stirling generator with spherical surface Fresnel solar energy heat collector, using based on
Stirling cycle utilizes the generation mode of solar energy thermal effect, can substitute the material of other high energy consumptions completely, reduces production cost,
It reduces environmental pollution.The solar energy heat collector of spherical surface Fresnel mirror is equipped with, ensure that the rigidity of structure of Fresnel lens,
Hemispherical dome structure makes lens be not susceptible to deform, and is not easy that light is caused to defocus；Using umbrella-type support frame, stability is high, to convergence
Light is unobstructed.The problem of will not relate to rotate the focusing of the face sun in real time, while arbitrary sun inclination angle can be achieved pair
The orthogonal convergence of sunlight, improves the converging ratio of lens and the utilization rate of solar energy.Reduce light path of the sunlight by lens,
Absorption of the lens to sunlight is reduced, and absorptivity of the system to solar energy is better ensured that on light-gathering, is effectively improved
The generating efficiency of generator.Stirling generator with spherical surface Fresnel solar energy heat collector can also match somebody with somebody with other electric storage devices
It closes and uses, store electric power.
Description of the drawings
Below in conjunction with the accompanying drawings with embodiment this with spherical surface Fresnel solar energy heat collector a kind of to the utility model
Special woods generator is described in further detail.
Fig. 1 is the stirling generator schematic diagram that the utility model carries spherical surface Fresnel solar energy heat collector.
Fig. 2 is spherical surface Fresnel mirror partial sectional view.
Fig. 3 is Stirling-electric hybrid structure diagram.
In figure
1. 5. hot gas the cylinder piston of spherical surface Fresnel Lenses 2. hot cylinder, 3. cold cylinder, 4. cooling fin, 6. cold air the cylinder piston 7. is returned
14. generator of hot 8. first piston connecting rod of device 9. second piston connecting rod, 10. axle sleeve, 11. bent axle, 12. flywheel, 13. shaft coupling, 15. umbrella
Shape supporting rack
Specific embodiment
The present embodiment is a kind of stirling generator with spherical surface Fresnel solar energy heat collector.
Refering to Fig. 1, Fig. 2, Fig. 3, the present embodiment carries the stirling generator of spherical surface Fresnel solar energy heat collector, by ball
Face Fresnel Lenses 1, hot cylinder 2, cold cylinder 3, cooling fin 4, hot gas the cylinder piston 5, cold air the cylinder piston 6, regenerator 7, first are lived
Fill in 15 groups of connecting rod 8, second piston connecting rod 9, axle sleeve 10, bent axle 11, flywheel 12, shaft coupling 13, generator 14 and umbrella-type support frame
Into；Wherein, spherical surface Fresnel Lenses 1 and hot cylinder 2 are fixedly connected with umbrella-type support frame 15, and hot cylinder 2 is located at spherical surface Fresnel
1 lower part of lens, and the centre of sphere of spherical surface Fresnel Lenses 1 is located on 2 central axes of hot cylinder, spherical surface Fresnel Lenses 1 is used to focus on
Solar energy heating cylinder provides thermal energy, promotes piston acting；The angle of umbrella-type support frame 15 and hot cylinder 2 is more than light convergence and presss from both sides
Angle.With the cooperation of hot cylinder 2 positioned at the top of bent axle 11,8 one end of first piston connecting rod connects hot gas the cylinder piston 5 with hot gas the cylinder piston 5
It connects, 8 other end of first piston connecting rod and the axle sleeve 10 of bent axle cooperation are hinged.Cold cylinder 3 is located at the side of hot cylinder 2, cold cylinder
With the cooperation of cold cylinder 3 positioned at the top of bent axle 11,9 one end of second piston connecting rod is connected piston 6 with cold air the cylinder piston 6, and second lives
It fills in 9 other end of connecting rod and the axle sleeve 10 of bent axle cooperation is hinged.3 top of cold cylinder is coated with cooling fin 4, cooling fin 4 and cold cylinder
Outer wall is isocentric circular arc structure, and cooling fin 4 uses copper material.It is connected between cold cylinder 3 and hot cylinder 2 by regenerator 7.
In the present embodiment, regenerator 7 is used between cold and hot cylinder channel, to improve the utilization ratio of thermal energy.Regenerator is a kind of table
Face formula heat exchanger, i.e. working medium exchange heat by heat exchanger, and without a kind of heat exchanger contacted directly between working medium.Backheat
Device for connecting cold and hot cylinder channel, hot cylinder to cold cylinder be vented when gas radiate to regenerator, cold air is from cold cylinder reflux
Heat is absorbed from regenerator to during hot cylinder, good heat-insulating material is used outside regenerator, pipeline is using hot good conductor；Together
When by increase number of tubes, reduce pipe diameter to increase heat exchange area, so as to reach reduce heat dissipation, make full use of thermal energy
Purpose.
In the present embodiment, axle sleeve 10 is two sets, and axle sleeve 10 is fastened by two semicircle bearing shells, and axle sleeve 10 uses brass
Material is processed；Axle sleeve 10 is nested in the 11 convex place of turning of bent axle and is rotate in same direction with bent axle.11 one end of bent axle is connected with flywheel 12, bent axle 11
The other end is connected with 14 output shaft of generator by shaft coupling 13.Hot gas the cylinder piston 5 and cold cylinder piston up-down, first lives
It is hinged with two sets of axle sleeves 10 respectively to fill in connecting rod 8 and second piston connecting rod 9 so that piston rod deviates piston shaft when moving up and down
Line is moved, so as to do work with 11 axial rotation of dynamic crankshaft.11 one end of bent axle is connected with flywheel 12, makes solar power generation
System operating is more steady.Flywheel 12 is fixed with bent axle 11 for the shaft shoulder and double nut cooperation, detachably.Flywheel 12 is steel six
Hole wheel disc, in the supreme bottom dead centre of crankshaft operation, i.e., when pressure angle is equal to 90 degree, connecting rod is to the driving force or torque of driven member
During zero situation, using the driving flywheel rotation of simple mechanical actuation device bent axle is made to break through dead point and start to rotate.Flywheel 12
With larger quality, release angular kinetic energy can be stored and so that Stirling-electric hybrid operating is more steady.Since speed of crankshaft is with rotation
Position and change, when speed of crankshaft increases, the kinetic energy of flywheel increases, and angular kinetic energy storage or saving is got up；When speed of crankshaft reduces
When, flywheel energy is reduced, and angular kinetic energy is released.Meanwhile flywheel is used for reducing the velocity perturbation of crankshaft operation process, makes fortune
Turn more steady.
In the present embodiment, spherical surface Fresnel Lenses 1 be polylith unit sheet Fresnel mirror composition hemispherical dome structure, Fei Nie
You can converge solar energy by lens 1 under different sun declinations；Fresnel Lenses has sun light transmission rate height, spotlight effect simultaneously
It is good, converge than it is high the characteristics of；By focusing of the hemispherical Fresnel Lenses to sunlight, hot cylinder 2 is heated, piston is promoted to do
Work(energizes for solar power system.
The present embodiment course of work
Stirling engine using focusing sunlight as heat source is starting point, passes through cold cylinder 3 and the cylinder piston of hot cylinder 2
It moves up and down and first piston connecting rod 8, second piston connecting rod 9 is driven to move, shaft work is transferred to bent axle 11 via axle sleeve 10, then by song
Shaft work is passed to generator 14 by axis 11 through shaft coupling 13, realizes solar power generation.11 end of bent axle is fixedly connected with flywheel 12 so that
Stirling-electric hybrid operating is more steady.
Cyclic process:
Constant temperature compresses:It accepts from the hot cylinder movement in constant volume cooling, cycling starts, and second piston connecting rod 9 promotes cold air
The cylinder piston 6 moves up, and hot gas the cylinder piston 5 is motionless, and gas is compressed in cold cylinder 3, and heat, gas temperature are released outside cylinder
It is constant.
Constant volume heats:Second piston connecting rod 9 continues to press on cold air the cylinder piston 6 and moves up, and connects in gas pressure and first piston
The lower hot gas the cylinder piston 5 of the control of bar 8 moves down, and the gas in cold cylinder 3 enters hot cylinder 2 by regenerator 7, and gas is by returning
Temperature raises pressure rise during hot device 7.
Constant temperature expands:High-temperature gas expands against hot gas the cylinder piston 5 and moves down, and externally does work, and heating source makes hot cylinder 2
Middle gas is temperature-resistant in expansion work, slows down air pressure decline, and hot gas the cylinder piston 5 is moved to bottom dead centre.
Constant volume cools down:First piston connecting rod 8 controls hot gas the cylinder piston 5 to move up, and cold air the cylinder piston 6 moves down, gas
By being reduced during regenerator 7 to its heat release, temperature, pressure declines body, and cold and hot cylinder piston is waited to be moved to respective end and is entirely followed
Ring is completed.
Stirling generator with spherical surface Fresnel solar energy heat collector can be also used cooperatively with other electric storage devices, storage
Deposit electric power.
Claims (4)
1. a kind of stirling generator with spherical surface Fresnel solar energy heat collector, including spherical surface Fresnel Lenses, hot cylinder,
Cold cylinder, cooling fin, hot gas the cylinder piston, cold air the cylinder piston, regenerator, first piston connecting rod, second piston connecting rod, axle sleeve, song
Axis, flywheel, shaft coupling, generator and umbrella-type support frame, it is characterised in that:The spherical surface Fresnel Lenses and hot cylinder and umbrella shape
Supporting rack is connected, and hot cylinder is located at spherical surface Fresnel Lenses lower part, and the centre of sphere of spherical surface Fresnel Lenses is located at hot cylinder axis
On line, spherical surface Fresnel Lenses provides thermal energy for focused solar energy heating cylinder, promotes piston acting, umbrella-type support frame and heat
The angle of cylinder is more than light and converges angle；The hot gas the cylinder piston is with hot cylinder cooperation positioned at the top of bent axle, first piston
Connecting rod one end is connected with hot gas the cylinder piston, and the axle sleeve that the first piston connecting rod other end coordinates with bent axle is hinged；The cold cylinder position
In the side of hot cylinder, cold air the cylinder piston is with cold cylinder cooperation positioned at the top of bent axle, second piston connecting rod one end and cold cylinder
Piston connects, and the axle sleeve that the second piston connecting rod other end coordinates with bent axle is hinged, and cooling fin, cold cylinder are coated at the top of cold cylinder
It is connected between hot cylinder by regenerator；The axle sleeve is nested in the convex place of turning of bent axle and is rotate in same direction with bent axle, the bent axle
One end is connected with flywheel, and the bent axle other end is connected with generator output shaft by shaft coupling.
2. the stirling generator according to claim 1 with spherical surface Fresnel solar energy heat collector, it is characterised in that:
The spherical surface Fresnel Lenses is the hemispherical dome structure of polylith unit sheet Fresnel mirror composition, and Fresnel Lenses can be in difference too
Solar energy is converged under positive inclination angle.
3. the stirling generator according to claim 1 with spherical surface Fresnel solar energy heat collector, it is characterised in that:
The axle sleeve is two sets, and axle sleeve is fastened by two semicircle bearing shells, and axle sleeve is processed using brass material.
4. the stirling generator according to claim 1 with spherical surface Fresnel solar energy heat collector, it is characterised in that:
The cooling fin is isocentric circular arc structure with the outer wall of cold cylinder, and cooling fin uses copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432262.0U CN207454191U (en) | 2017-10-31 | 2017-10-31 | A kind of stirling generator with spherical surface Fresnel solar energy heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721432262.0U CN207454191U (en) | 2017-10-31 | 2017-10-31 | A kind of stirling generator with spherical surface Fresnel solar energy heat collector |
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| Publication Number | Publication Date |
|---|---|
| CN207454191U true CN207454191U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721432262.0U Expired - Fee Related CN207454191U (en) | 2017-10-31 | 2017-10-31 | A kind of stirling generator with spherical surface Fresnel solar energy heat collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762750A (en) * | 2017-10-31 | 2018-03-06 | 西北工业大学 | A kind of stirling generator with sphere Fresnel solar energy heat collector |
| CN111981686A (en) * | 2020-07-21 | 2020-11-24 | 深圳朴坂科技有限公司 | Air-conditioning type water heater based on self-generating technology |
-
2017
- 2017-10-31 CN CN201721432262.0U patent/CN207454191U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762750A (en) * | 2017-10-31 | 2018-03-06 | 西北工业大学 | A kind of stirling generator with sphere Fresnel solar energy heat collector |
| CN111981686A (en) * | 2020-07-21 | 2020-11-24 | 深圳朴坂科技有限公司 | Air-conditioning type water heater based on self-generating technology |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20181031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |