CN103115441B - Dome type solar thermoelectric system - Google Patents
Dome type solar thermoelectric system Download PDFInfo
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- CN103115441B CN103115441B CN201310058826.9A CN201310058826A CN103115441B CN 103115441 B CN103115441 B CN 103115441B CN 201310058826 A CN201310058826 A CN 201310058826A CN 103115441 B CN103115441 B CN 103115441B
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 135
- 239000012530 fluid Substances 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000005482 strain hardening Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 241000353097 Molva molva Species 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 210000003051 thermoreceptor Anatomy 0.000 description 2
- 108091008689 thermoreceptors Proteins 0.000 description 2
- 230000005144 thermotropism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 210000003644 lens cell Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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 invention discloses a dome type focusing heat accumulator which comprises a paraboloid-shaped dome. The paraboloid-shaped dome is composed of multiple Fresnel lenses, and an opening of the dome faces the ground. In addition, the invention discloses a dome type solar thermoelectric system which comprises the dome type focusing heat accumulator, an external combustion engine and a power generator. A heater of the external combustion engine is arranged with in a focal point range of the dome, and the external combustion engine is connected with the power generator and used for driving the power generator to generate power. The dome type focusing heat accumulator and the dome type solar thermoelectric system have the advantages of simple structure and low cost.
Description
Technical field
The present invention relates to solar energy generation technology field, particularly a kind of vault formula solar heat electric system.
Background technology
At present, in the solar heat electrical domain that utilizes solar energy to generate electricity, dish formula Stirling engine solar heat electric system is the system that a kind of efficiency is higher, for example Chinese patent of publication number CN102192114.The principal character of this dish formula Stirling engine solar heat electric system is that its concentrating collector adopts dish formula plate-like paraboloidal mirror as concentrating collector, the similar large-scale parabola radar antenna of profile, Stirling engine is placed in the focus place of plate-like parabola concentrating collector, the heater of Stirling engine is heated, and makes Stirling engine work and drives the generator of its connection to generate electricity.Wherein, dish formula plate-like paraboloidal mirror is a kind of reflective concentrating collector, and its optically focused is higher frequently, therefore can produce very high temperature.
But the reflect focalization principle of dish formula Stirling engine solar heat electric system makes this system Stirling engine must be lifted to the focus place of dish formula paraboloidal mirror, and concentrating collector need to be followed the tracks of sunshine together with Stirling engine, this just need to design huge and complicated adjustment motion for it, follow the tracks of the sun to drive whole system, thereby cause the overall structure of dish formula Stirling solar heat and power system huge and complicated, with high costs; Limited by occupation of land and cost, be difficult to formation scale, therefore dish formula Stirling engine solar heat electric system, is only applied to miniaturization power generation (generally lower than 30KW) at present, promotes difficulty very large, and range of application is very narrow.
Summary of the invention
The embodiment of the present invention provides a kind of vault formula solar heat electric system, and simple in structure, cost is low.
For reaching above-mentioned purpose, the technical scheme of the embodiment of the present invention is specifically achieved in that
A kind of vault formula concentrating collector, comprising: the parabolic shape dome being made up of polylith Fresnel Lenses;
The opening of described dome is towards ground.
Preferably, described Fresnel Lenses is Fresnel point collector lens or Fresnel line collector lens.
Preferably, on described Fresnel point collector lens, be also provided with point focusing mirror servomechanism.
A kind of vault formula solar heat electric system, this system comprises:
Vault formula concentrating collector in external-combustion engine, generator and claims 1 to 3 described in any one claim;
The heater of described external-combustion engine is positioned at the focus of described dome;
Described external-combustion engine is connected with described generator, for driving described generator generating.
Preferably, this system further comprises: focalizer support, sun tracker and tracking control unit;
Described vault formula concentrating collector is set up on described focalizer support;
Described sun tracker is arranged on described focalizer support, and described tracking control unit is connected with described sun tracker.
Preferably, this system further comprises:
Thermal storage device, Hot swapping device and underground moist closet;
Described external-combustion engine is placed on ground, and described thermal storage device is placed in described underground moist closet, and described Hot swapping device is placed on described thermal storage device top, and described thermal storage device is except the heating surface of top, and remainder is placed in described moist closet;
Described Hot swapping device is positioned at the focus of described vault formula concentrating collector.
Preferably, described external-combustion engine is piston type external-combustion engine or turbine type external-combustion engine.
Preferably, described external-combustion engine comprises:
External-combustion engine heater, external-combustion engine cooler, the hot chamber of external-combustion engine, hot chamber piston, hot chamber piston rod, external-combustion engine bent axle, external-combustion engine crankcase, cold chamber piston rod, cold chamber piston, the cold chamber of external-combustion engine;
Described hot chamber piston is located in the hot chamber of described external-combustion engine, and is connected with the described external-combustion engine bent axle being arranged in described external-combustion engine crankcase by described hot chamber piston rod;
Described cold chamber piston is located in the cold chamber of described external-combustion engine, and is connected with the described external-combustion engine bent axle being arranged in described external-combustion engine crankcase by described cold chamber piston rod;
Between described external-combustion engine heater and described external-combustion engine cooler, connect by countercurrent flow formula return channel; Between described external-combustion engine cooler and described external-combustion engine, connect by the cold working medium of external-combustion engine loop;
Described external-combustion engine is also connected with described external-combustion engine heater by external-combustion engine hot working fluid loop.
Preferably, on described external-combustion engine cooler, be also provided with on cooler thermal insulation board under thermal insulation board and cooler.
Preferably, this system comprises:
Two described vault formula concentrating collectors.
As seen from the above technical solution, this vault formula solar heat electric system of the present invention, adopt diverse light and heat collection principle, changing original mirror-reflection is lens transmission, by polylith Fresnel Lenses composition dome, the opening of this dome is towards ground, instead of the opening of existing dish formula paraboloidal mirror need to be towards the sun.Because dome opening is towards ground, its focal position is positioned at dome opening, therefore the external-combustion engine for driving generator directly can be fixedly installed in dome opening, therefore whole system is lifted the supporting mechanism of external-combustion engine without design, the overall structure that makes solar heat electric system is more simple, cost is minimized, floor space also can be dwindled, and is beneficial to and uses on a large scale and promote, and easily realizes large-scale industrialization.
In addition, its optically focused ratio of this vault formula solar heat electric system of the present invention and photo-thermal conversion ratio are greater than the Stirling solar heat electric system of tradition employing dish formula paraboloidal mirror heat collector.
In addition, by sun tracker and tracking control unit are further set, can realize sunshine tracking function.
And by thermal storage device, Hot swapping device and underground moist closet are further set, can realize storage and the compensation of heat energy, solar heat electric system of the present invention can be run without interruption for 24 hours, and having solved dish formula Stirling system and all solar energy external-combustion engine systems can only an intermittent difficult problem of generating electricity.
Brief description of the drawings
Fig. 1 is the point focusing device structural representation of the embodiment of the present invention.
Fig. 2 is the line focus device structural representation of the embodiment of the present invention.
Fig. 3 is the solar generator system architecture schematic diagram of the employing point focusing device of the embodiment of the present invention.
Fig. 4 is the solar generator system architecture schematic diagram of the employing line focus device of the embodiment of the present invention.
Fig. 5 adopts the solar heat electric system working line schematic diagram of point focusing device and line focus device when being the embodiment of the present invention.
1-compression pump, 2-gate valve, the underground moist closet of 3-, 4-thermal storage device safety valve, 5-thermal storage device inspection door, 6-thermal storage device thermometer, 7-Fresnel point focusing device, 8-point focusing device sun tracker, 9-Fresnel point collector lens, 10-point focusing device support, 11-point focusing mirror servomechanism, 12-point focusing device tracking control unit, 13-thermal storage device, 14-thermal storage device heat-insulation layer, 15-heat accumulation hot working fluid displacer, 16-Fresnel line focus device, 17-Fresnel line collector lens, 18-Hot swapping device thermoreceptor, 19-heat accumulation working medium, 20 external-combustion engines, 21-thermal storage device temperature control valve, 22-hot working fluid primary circuit electrically-controlled valve, 23-hot working fluid primary circuit, 24-external-combustion engine temperature control valve, 25-hot working fluid secondary circuit, 26-hot working fluid secondary circuit electrically-controlled valve, 27-hot working fluid secondary circuit automatic compensator, 28-condenser, 29-condenser electrically-controlled valve, 30-condenser circuit, 31-external-combustion engine heater, 32-countercurrent flow formula return channel, 33-external-combustion engine cooler, the cold working medium of 34-external-combustion engine loop, 35-thermal storage device pressure-reducing valve, 36-thermal storage device hot working fluid loop, 37-external-combustion engine hot working fluid loop, the hot chamber of 38-external-combustion engine, the hot chamber of 39-piston, the hot chamber of 40-piston rod, 41-external-combustion engine bent axle, 42-external-combustion engine crankcase, the cold chamber of 43-piston rod, the cold chamber of 44-piston, the cold chamber of 45-external-combustion engine, 46-shaft coupling, 47-generator, 48-thermal storage device control valve, thermal insulation board on 49-cooler, thermal insulation board under 50-cooler, 51-line focus device support, 52-line focus device sun tracker, 53-line focus device tracking control unit, 54-arrester, 55-ground.
Detailed description of the invention
For making object of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
The embodiment of the present invention is improved the concentrating collector of solar heat electric system, adopt diverse light and heat collection principle, changing original mirror-reflection is lens transmission, by polylith Fresnel Lenses composition parabolic shape dome, the opening of this parabolic shape dome is towards ground, instead of the opening of existing dish formula paraboloidal mirror need to be towards the sun.The concentrating collector tracking solar time of the embodiment of the present invention only need be adjusted the angle of the Fresnel Lenses of this dome of composition, dome entirety is without motion, and because dome opening is towards ground, its focal position is positioned at dome opening, therefore the external-combustion engine for driving generator directly can be arranged to the ground in dome opening, therefore whole system is lifted external-combustion engine without design, and adjust the large complicated adjustment motion of concentrating collector position, make the overall structure of solar heat electric system more simple, cost is minimized.
Other improvement are asked for an interview below and are described in addition.
According to the kind difference of the Fresnel Lenses of selecting, the vault formula concentrating collector concrete example of the embodiment of the present invention as shown in Figure 1, 2, comprising:
One, adopt the Fresnel point focusing device of point focusing Fresnel Lenses.
As shown in Figure 1, Fresnel point focusing device 7 comprises: the array that polylith Fresnel point collector lens 9 forms, this array forms parabolic shape dome, the parabola mouth down of this parabolic shape dome.
In addition, for realize Fresnel point collector lens 9 towards adjustment, further set-point focus lamp servomechanism 11 on described Fresnel point collector lens 9, in order to the direction to Fresnel point collector lens 9 and angle adjustment.
Two, adopt the Fresnel line focus device of utilizing line-focus Fresnel lens.
As shown in Figure 2, Fresnel line focus device 16 comprises: the array that polylith Fresnel line collector lens 17 forms, this array forms parabolic shape dome, the parabola mouth down of this parabolic shape dome.
Adopt different concentrating collectors, the solar heat electric system of realization is exemplified below:
One, adopt the solar heat electric system of Fresnel point focusing device
As shown in Figure 3, the Fresnel point focusing device 7 that polylith Fresnel point collector lens 9 forms is erected on point focusing device support 10, the heater 31 arranging and the hot chamber 38 of external-combustion engine 20 is carried out to light and heat collection from top to bottom on external-combustion engine 20.External-combustion engine 20 is placed in the focus that the heater 31 being connected with external-combustion engine 20 on ground 55 is placed in Fresnel point focusing device 7.
Fresnel point focusing device 7 is put collector lens 9 focusing sunlight by Fresnel, and to external-combustion engine heater 31 focusing heat collections, heater 31 provides to the hot chamber 38 of external-combustion engine the expansion working medium that meets condition of work, promotes hot chamber piston 39; Meanwhile, condenser 28 freezes to external-combustion engine cooler 33, and the compression that is cooled of the working medium in the cold chamber 45 of cooler 33 and external-combustion engine, pulls cold chamber piston 44; The working medium shrinkage of expanding in He Leng chamber, hot chamber, completes thermodynamic cycle, promotes piston back-and-forth movement acting in He Leng chamber, hot chamber, drives generator 47 to generate electricity.
Wherein, external-combustion engine 20 can adopt the external-combustion engine of the existing arbitrary structures such as piston type or turbine type, has provided an example in Fig. 3, and its concrete structure comprises:
External-combustion engine heater 31, external-combustion engine cooler 33, the hot chamber 38 of external-combustion engine, hot chamber piston 39, hot chamber piston rod 40, external-combustion engine bent axle 41, external-combustion engine crankcase 42, cold chamber piston rod 43, cold chamber piston 44, the cold chamber 45 of external-combustion engine.
Hot chamber piston 39 is located in the hot chamber 38 of external-combustion engine, and is connected with the external-combustion engine bent axle 41 being arranged in external-combustion engine crankcase 42 by hot chamber piston rod 40;
Cold chamber piston 44 is located in the cold chamber 45 of external-combustion engine, and is connected with the external-combustion engine bent axle 41 being arranged in external-combustion engine crankcase 42 by cold chamber piston rod 43;
Between external-combustion engine heater 31 and external-combustion engine cooler 33, connect by countercurrent flow formula return channel 32; Between external-combustion engine cooler 33 and external-combustion engine 20, connect by the cold working medium of external-combustion engine loop 34; In addition, external-combustion engine 20 is also connected with external-combustion engine heater 31 by external-combustion engine hot working fluid loop 37, forms the closed circuit of working medium (as water, oil, gas body etc.).
In addition, on external-combustion engine cooler 33, can also be provided with on cooler thermal insulation board 50 under thermal insulation board 49 and cooler, to reduce the impact for cooler of sunlight and heat, promote the cooling effectiveness of external-combustion engine cooler 33.
In addition, further, tracker 8 can also be set and controller 12 forms solar automatic tracking system, make Fresnel point focusing device 7 can receive to greatest extent sunshine.
Have again, as shown in Figure 3, also can realize generating when unglazed or the night in order to realize, can also further increase thermal storage device 13, thermal storage device 13 is placed in underground, heat accumulation hot working fluid displacer 15 is placed on thermal storage device 13 tops, and thermal storage device 13, except the heating surface of top, is all placed in the heat-insulation layer 14 of the moist closet 3 of ground below 55.
Fresnel point focusing device 7 is by some collector lens 9 focusing sunlight, to external-combustion engine heater 31 sensitive surface focusing heat collection time, Hot swapping device thermoreceptor 18 auxiliary heatings that Fresnel point focusing device 7 also arranges Hot swapping device 15 tops, thus the heat accumulation working medium 19 in moist closet 3 is heated.During without sunlight, the Hot swapping device 15 on thermal storage device 13 tops can be realized external-combustion engine heater 31 bottoms are heated by heat accumulation working medium 19, thereby makes whole solar heat electric system in unglazed situation, still can move generating.
In addition, arrester 54 can also be set, improve the anti-lightning strike performance of system.
Two, adopt the solar heat electric system of Fresnel line focus device
As shown in Figure 4, polylith Fresnel line collector lens 17 can be by with stupefied lens cells modulus, composition is the Fresnel line focus device 16 of parabolic shape, adopt lens reflection optically focused principle focusing sunlight, sunshine sees through Fresnel line collector lens 17 from top to bottom, carries out focusing heat collection to heat accumulation hot working fluid displacer 15.Hot swapping device 15 is placed in thermal storage device 13 tops, is exposed to ground, is positioned at the focus of line focus device 16.Thermal storage device 13 is placed among the heat-insulation layer 14 of underground moist closet 3.
Fresnel line focus device 16 is erected on line focus device support 51 by Fresnel line collector lens 17, thermotropism displacer 15 carries out focusing heat collection from top to bottom, Hot swapping device 15 heats the working medium in thermal storage device 13, make the working medium in thermal storage device 13 reach external-combustion engine 20 (not shown, to please refer to Fig. 3) operating temperature requirement.Night and during without sunlight, Hot swapping device 15 heats external-combustion engine heater 31 (not shown, to please refer to Fig. 3).Cooling circuit carries out cooling to the cold chamber 45 of external-combustion engine (not shown, to please refer to Fig. 3), piston back-and-forth movement in external-combustion engine 20, thereby drive generator 47 generates electricity (not shown, to please refer to Fig. 5).
In addition, the same with above-described embodiment, also can realize generating when unglazed or the night in order to realize, can also further increase thermal storage device 13, thermal storage device 13 is placed in underground, heat accumulation hot working fluid displacer 15 is placed on thermal storage device 13 tops, and thermal storage device 13, except the heating surface of top, is all placed in the heat-insulation layer 14 of the moist closet 3 of ground below 55.Principle, with reference to above-described embodiment, repeats no more here.
Line focus device sun tracker 52 and line focus device tracking control unit 53 equally, also can be set and realize the tracking of sunshine.
In above-described embodiment, according to different Fresnel Lenses shapes, for two examples, in fact, the Fresnel Lenses of arbitrary shape can be realized, as long as can form parabolic shape dome, thereby realize light focusing concentrate all can.
In addition, in Fig. 3, Fig. 4, provide the solar generator system embodiment that only adopts a Fresnel point focusing device 7 or a Fresnel line focus device 16, in fact, in vault formula solar heat electric system of the present invention, can use any number of vault formula concentrating collectors, also can mix and use above-mentioned two kinds of dissimilar vault formula concentrating collectors.
Fig. 5 is the vault formula heat and power system working line schematic diagram of the embodiment of the present invention, heat and power system in Fig. 5 has adopted Fresnel point focusing device 7 and Fresnel line focus device 16 simultaneously, wherein, Fresnel point focusing device 7 is 31 heat supplies of external-combustion engine heater, Fresnel line focus device 16 is 15 heat supplies of heat accumulation hot working fluid displacer, utilize to greatest extent solar energy, with the effect that reaches energy-conservation, increases the thermal efficiency.
Shown in Fig. 5 is the heating power working line of heat and power system, therefore only shows to heating power and moves relevant equipment, and the concrete structure of Fresnel point focusing device 7 and Fresnel line focus device 16 and external-combustion engine etc. can, with reference to above-mentioned Fig. 3, Fig. 4, repeat no more here.
Heat and power system shown in Fig. 5 comprises: compression pump 1, gate valve 2, underground moist closet 3, thermal storage device safety valve 4, thermal storage device inspection door 5, thermal storage device thermometer 6, Fresnel point focusing device 7, thermal storage device 13, heat accumulation hot working fluid displacer 15, Fresnel line focus device 16, thermal storage device temperature control valve 21, hot working fluid primary circuit electrically-controlled valve 22, hot working fluid primary circuit 23, external-combustion engine temperature control valve 24, hot working fluid secondary circuit 25, hot working fluid secondary circuit electrically-controlled valve 26, hot working fluid secondary circuit automatic compensator 27, condenser 28, condenser electrically-controlled valve 29, condenser circuit 30, external-combustion engine heater 31, countercurrent flow formula return channel 32, external-combustion engine cooler 33, the cold working medium of external-combustion engine loop 34, thermal storage device pressure-reducing valve 35, thermal storage device hot working fluid loop 36, external-combustion engine hot working fluid loop 37, the hot chamber 38 of external-combustion engine, hot chamber piston 39, hot chamber piston rod 40, external-combustion engine bent axle 41, external-combustion engine crankcase 42, cold chamber piston rod 43, cold chamber piston 44, the cold chamber 45 of external-combustion engine, shaft coupling 46, generator 47.Above-mentioned each assembly annexation as shown in Figure 5, repeats no more here.
Fresnel point focusing device 7 focusing sunlight, to external-combustion engine heater 31 focusing heat collections, make the working medium expanded by heating in external-combustion engine heater 31 and hot chamber 38, promote hot chamber piston 39; Condenser 28 freezes to external-combustion engine cooler 33, and the compression that is cooled of the working medium in the cold chamber 45 of cooler 33 and external-combustion engine, pulls cold chamber piston 44; The working medium shrinkage of expanding in 38He Leng chamber, hot chamber 45, completes thermodynamic cycle, promotes the piston back-and-forth movement acting in 38He Leng chamber, hot chamber 45, thereby drives generator 47 to generate electricity.
Fresnel line focus device 16 focusing sunlight, thermotropism displacer 15 carries out focusing heat collection, and Hot swapping device 15 heats the working medium in thermal storage device 13, makes the working medium in thermal storage device 13 reach external-combustion engine 20 operating temperature requirements.Night and during without sunlight, heat reservoir control valve 26 and automatic compensator 27, hot working fluid temperature control valve 21 are opened automatically, and Hot swapping device 15 heats external-combustion engine heat collector 31; Cooling circuit carries out cooling to the cold chamber 45 of external-combustion engine, the working medium shrinkage of expanding in the He Leng chamber, hot chamber of external-combustion engine 20, completes thermodynamic cycle, promotes piston back-and-forth movement acting in He Leng chamber, hot chamber, thereby drives generator 47 to generate electricity.
Solar heat electric system in Fig. 5, the main force's collecting system using Fresnel point focusing device 7 when having sunlight, and form night or concurrent heating system during without sunlight with Fresnel line focus device 16, displacer 15 and thermal storage device 13.Fresnel point focusing device 7 is in having sunlight, heat to external-combustion engine heat collector 31, carry out normal power generation, Fresnel line focus device 16 is given Hot swapping device 15 focusing heat collections simultaneously, Hot swapping device 15 heats the working medium in thermal storage device 13, thermal energy storage is got off, thereby can be at night or without sunlight time, thereby heat and still can proceed generating while making whole solar heat electric system at night or without sunlight to external-combustion engine heat collector 31 by the heat energy in thermal storage device 13, under ideal state, can realize uninterrupted operation in 24 hours.
Certainly for concurrent heating system, also can adopt Fresnel point focusing device 7, main force's collecting system also can adopt Fresnel line focus device 16, and which kind of uses is arbitrarily.
Finally, through test, the embodiment of the present invention adopts the solar heat electric system of vault formula concentrating collector, and its optically focused ratio and photo-thermal conversion ratio are greater than the Stirling engine solar heat electric system of tradition employing dish formula paraboloidal mirror heat collector.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (5)
1. a vault formula solar heat electric system, is characterized in that, this system comprises:
External-combustion engine, generator and vault formula concentrating collector;
The parabolic shape dome that described vault formula concentrating collector is made up of polylith Fresnel Lenses; The opening of described dome is towards ground;
The heater of described external-combustion engine is positioned at the focus of described dome;
Described external-combustion engine is connected with described generator, for driving described generator generating;
This system also comprises: focalizer support, sun tracker and tracking control unit;
Described vault formula concentrating collector is set up on described focalizer support;
Described sun tracker is arranged on described focalizer support, and described tracking control unit is connected with described sun tracker;
This system also comprises:
Thermal storage device, Hot swapping device and underground moist closet;
Described external-combustion engine is placed on ground, and described thermal storage device is placed in described underground moist closet, and described Hot swapping device is placed on described thermal storage device top, and described thermal storage device is except the heating surface of top, and remainder is placed in described underground moist closet;
Described Hot swapping device is positioned at the focus of described vault formula concentrating collector.
2. vault formula solar heat electric system as claimed in claim 1, is characterized in that, described external-combustion engine is piston type external-combustion engine or turbine type external-combustion engine.
3. vault formula solar heat electric system as claimed in claim 1, is characterized in that, described external-combustion engine comprises:
External-combustion engine heater, external-combustion engine cooler, the hot chamber of external-combustion engine, hot chamber piston, hot chamber piston rod, external-combustion engine bent axle, external-combustion engine crankcase, cold chamber piston rod, cold chamber piston, the cold chamber of external-combustion engine;
Described hot chamber piston is located in the hot chamber of described external-combustion engine, and is connected with the described external-combustion engine bent axle being arranged in described external-combustion engine crankcase by described hot chamber piston rod;
Described cold chamber piston is located in the cold chamber of described external-combustion engine, and is connected with the described external-combustion engine bent axle being arranged in described external-combustion engine crankcase by described cold chamber piston rod;
Between described external-combustion engine heater and described external-combustion engine cooler, connect by countercurrent flow formula return channel; Between described external-combustion engine cooler and described external-combustion engine, connect by the cold working medium of external-combustion engine loop;
Described external-combustion engine is also connected with described external-combustion engine heater by external-combustion engine hot working fluid loop.
4. vault formula solar heat electric system as claimed in claim 3, is characterized in that, is also provided with on cooler thermal insulation board under thermal insulation board and cooler on described external-combustion engine cooler.
5. vault formula solar heat electric system as claimed in claim 1, is characterized in that, this system comprises:
Two described vault formula concentrating collectors.
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| CN201310058826.9A CN103115441B (en) | 2013-02-25 | 2013-02-25 | Dome type solar thermoelectric system |
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| CN201310058826.9A CN103115441B (en) | 2013-02-25 | 2013-02-25 | Dome type solar thermoelectric system |
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| CN103115441B true CN103115441B (en) | 2014-11-05 |
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| GB2520052B (en) * | 2013-11-08 | 2016-03-09 | Solar Steam Ltd | A fresnel lens array and system for incorporating same for electrical power generation from solar radiation |
| CN107914890A (en) | 2016-10-09 | 2018-04-17 | 海口未来技术研究院 | Near space vehicle gondola |
| CN107816417A (en) * | 2017-10-13 | 2018-03-20 | 哈尔滨理工大学 | A kind of Novel wind device of solar generating |
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| CN87204285U (en) * | 1987-06-01 | 1988-02-24 | 柏玲勇 | Ground solar heat accumulator |
| JPH01151757A (en) * | 1987-12-08 | 1989-06-14 | Agency Of Ind Science & Technol | Stirling engine utilizing solar heat |
| CN100429397C (en) * | 2006-07-04 | 2008-10-29 | 吴耀琪 | Cluster type heat storage solar photo-thermal power generation device |
| CN201159774Y (en) * | 2008-02-18 | 2008-12-03 | 成都钟顺科技发展有限公司 | Solar application point focusing Fresnel Lenses |
| CN201159775Y (en) * | 2008-02-18 | 2008-12-03 | 成都钟顺科技发展有限公司 | Solar application line focusing Fresnel Lenses |
| CN102486167B (en) * | 2010-12-01 | 2014-03-12 | 毛楚楚 | Dome-type array solar thermoelectric power and wind power system |
| CN203116313U (en) * | 2013-02-25 | 2013-08-07 | 毛建华 | Dome-type focusing heat collector and dome-type solar thermoelectric system |
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2013
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