CN107093982A - A kind of method for electric generation using solar energy and device of the dual generating of secondary condensation - Google Patents
A kind of method for electric generation using solar energy and device of the dual generating of secondary condensation Download PDFInfo
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- CN107093982A CN107093982A CN201710209588.5A CN201710209588A CN107093982A CN 107093982 A CN107093982 A CN 107093982A CN 201710209588 A CN201710209588 A CN 201710209588A CN 107093982 A CN107093982 A CN 107093982A
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- 230000005494 condensation Effects 0.000 title claims abstract description 32
- 238000009833 condensation Methods 0.000 title claims abstract description 32
- 230000009977 dual effect Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 12
- 238000010248 power generation Methods 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000005286 illumination Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 13
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000010287 polarization Effects 0.000 description 5
- 230000011514 reflex Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003752 improving hair Effects 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
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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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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Abstract
A kind of device of solar generating of the dual generating of secondary condensation, it includes：Fresnel Lenses or fresnel reflecting mirror, for carrying out an optically focused to incident sunshine；Spectrophotometric unit, for light-splitting processing will to be carried out by the sunshine of Fresnel Lenses or fresnel reflecting mirror, so that sunshine is divided into short wavelength light and the long glistening light of waves；Concentrating photovoltaic power generation unit, photovoltaic generation is carried out for absorbing after the short wavelength light that spectrophotometric unit is separated；Secondary condensation unit, the long glistening light of waves for spectrophotometric unit to be separated is sent to solar energy thermal-power-generating unit；Solar energy thermal-power-generating unit, hot generating is carried out using the long glistening light of waves of optically focused again.Concentrating photovoltaic power generation unit of the present invention carries out photovoltaic generation using short wavelength light, and solar energy thermal-power-generating unit carries out hot generating using the long glistening light of waves, and this aspect improves the utilization ratio of solar energy；On the other hand the long glistening light of waves is used into heat generate electricity, so as to avoid photovoltaic panel from heating up, improves the efficiency and service life of photovoltaic generation.
Description
Technical field
The present invention relates to technical field of solar utilization technique, and in particular to a kind of solar energy of the dual generating of secondary condensation
Electricity-generating method and device.
Background technology
In field of renewable energy resource utilization, solar energy power generating promotion rate and range are greatly improved, existing
More than the solar energy power generating type of popularization based on non-concentrating photovoltaic power generation apparatus.But because it is limited by efficiency and photovoltaic panel
Cost, the investment payback time of non-concentrating photovoltaic generation is longer (calculating generally 7-10 in the case of national electricity price subsidy).And
Concentrating photovoltaic power generation device because its photoelectricity plate suqare for using is few, efficiency high the advantages of, be a kind of following development trend.
Present utilization of the concentrating photovoltaic power generation device to sunshine typically concentrates on the short wavelength lights such as visible ray, and photovoltaic panel absorbs
Photovoltaic generation is carried out after the short wavelength lights such as visible ray；And the isometric glistening light of waves of infrared light then can due to not being converted to electric power by photovoltaic panel
Being converted to heat energy causes photovoltaic panel to heat up, so as to reduce the efficiency and service life of photovoltaic generation.Therefore prior art is poly-
Light photovoltaic power generation apparatus all considers to be provided with cooling system, is cooled by cooling system and realize that solar concentrating photovoltaic power generation is filled substantially
The normal operation put.
Present solar utilization technique relates to the thinking reused to the long glistening light of waves of concentrating photovoltaic power generation,
But be substantially sunshine is divided after optically focused again, or directly utilize again after being divided during optically focused
Based on, the former causes cost too high because frequency dividing element usable floor area is more than or equal to positive light entry area, and can not realize production
O＆M；The optically focused carrier of the latter can be with local use, but is due to that energy excessively disperses, its economy and poor practicability.
The content of the invention
, can be to sunshine it is an object of the invention to provide a kind of method for electric generation using solar energy of the dual generating of secondary condensation
The long glistening light of waves is utilized, and the long glistening light of waves of sunshine is conveyed and realized after secondary condensation generates electricity again, improves solar energy
Utilization ratio.
The present invention also provides a kind of device of solar generating of the dual generating of secondary condensation.
To achieve the above object, the present invention is adopted the technical scheme that：
A kind of method for electric generation using solar energy of the dual generating of secondary condensation, it includes：
Step 1, using Fresnel Lenses or fresnel reflecting mirror optically focused is carried out to incident sunshine；
Step 2, it will carry out light-splitting processing by the sunshine of Fresnel Lenses or fresnel reflecting mirror, and by sunshine
It is divided into short wavelength light and the long glistening light of waves；
Step 3, the short wavelength light separated using sunshine carry out photovoltaic generation；
Step 4, the long glistening light of waves separated from sunshine carried out again after optically focused, to be sent to solar energy thermal-power-generating list
Member；
Step 5, solar energy thermal-power-generating unit carry out hot generating using the long glistening light of waves of optically focused again.
As a modification of the present invention, in the step 2：Sunshine is divided into short wavelength light and long wave using polarizer
Light, short wavelength light is passed through from polarizer；The long glistening light of waves is acted on the polarisation of long wave sunshine due to specific polarization piece, its direction of illumination
Shift, the long glistening light of waves is from the laterally emitted of polarizer.
As a modification of the present invention, in the step 4：The long glistening light of waves that will be separated using convex lens from sunshine
It is changed into being sent to solar energy thermal-power-generating unit after directional light.The direction of illumination that will can be separated by convex lens from polarizer
The unordered long glistening light of waves is changed into the orderly long glistening light of waves, so as to so that all long glistening lights of waves separated all are utilized effectively, and
And the long glistening light of waves separated can also be sent to remote position.
Further, reflection is passed through after the long glistening light of waves optically focused separated again after convex lens are converted to directional light
Mirror reflexes to solar energy thermal-power-generating unit.By the setting of convex lens and speculum, the long glistening light of waves separated can be transmitted
To more remote position, so that the long glistening light of waves separated is solved because the restriction in space is unable to the problem of modularization is utilized, this
When can realize that a solar energy thermal-power-generating unit can correspond to multiple convex lens and speculum, realize scale and intensive hair
Electricity, substantially reduces cost of electricity-generating, while improving generating efficiency.
A kind of device of solar generating of the dual generating of secondary condensation, it includes：
Fresnel Lenses or fresnel reflecting mirror, for carrying out an optically focused to incident sunshine；
Spectrophotometric unit, for light-splitting processing will to be carried out by the sunshine of Fresnel Lenses or fresnel reflecting mirror, from
And sunshine is divided into short wavelength light and the long glistening light of waves；
Concentrating photovoltaic power generation unit, photovoltaic generation is carried out for absorbing after the short wavelength light that spectrophotometric unit is separated；
Secondary condensation unit, the long glistening light of waves for spectrophotometric unit to be separated is carried out after optically focused again, is sent to the sun
Can hot generator unit；
Solar energy thermal-power-generating unit, hot generating is carried out using the long glistening light of waves of optically focused again.
Sunshine is separated into short wavelength light and the long glistening light of waves by the present invention by spectrophotometric unit, and concentrating photovoltaic power generation unit utilizes short
The glistening light of waves carries out photovoltaic generation, and solar energy thermal-power-generating unit carries out hot generating using the long glistening light of waves, and this aspect improves solar energy
Utilization ratio, on the other hand by the long glistening light of waves be used for heat generate electricity, so as to avoid photovoltaic panel from heating up, improve the efficiency of photovoltaic generation
And service life.
As a modification of the present invention, the spectrophotometric unit is polarizer, and concentrating photovoltaic power generation unit is located at Fresnel
Lens or fresnel reflecting mirror focal point, polarizer, which is located at Fresnel Lenses or the front of Fresnel reflection mirror foci, to be used for
Short wavelength light in incident sunshine is passed into concentrating photovoltaic power generation unit, secondary condensation unit, which is located at the lateral of polarizer, to be used for
The long glistening light of waves for changing direction of illumination by polarizer is sent to solar energy thermal-power-generating unit.
Polarizer is located to effect of the short wavelength light in the front of concentrating photovoltaic power generation unit, incident sunshine in polarizer
Under be gathered on concentrating photovoltaic power generation unit, and realize photovoltaic generation；And the long glistening light of waves in incident sunshine is due to specific polarization
Piece is acted on the polarisation of long wave sunshine, and its direction of illumination shifts, and the long glistening light of waves is and secondary poly- from the laterally emitted of polarizer
Light unit is located at the lateral of polarizer and the long glistening light of waves just is sent into solar energy thermal-power-generating unit, and solar energy thermal-power-generating unit is utilized
The long glistening light of waves carries out hot generating.
Further, the secondary condensation unit is convex lens.The long glistening light of waves from polarizer it is laterally emitted after can gather
The long glistening light of waves of optically focused is changed into being sent to solar energy thermal-power-generating unit after directional light by light, convex lens；By convex lens can by from
The unordered long glistening light of waves of direction of illumination that polarizer is separated is changed into the orderly long glistening light of waves, so as to so that all separate
The long glistening light of waves is all utilized effectively, but also the long glistening light of waves separated can be sent into remote position.
Further, speculum is provided between convex lens and the solar energy thermal-power-generating unit, speculum is by convex lens shape
Into directional light reflex to solar energy thermal-power-generating unit., can be by the length separated by the setting of convex lens and speculum
The glistening light of waves is sent to more remote position, in order to which solar energy thermal-power-generating unit can be arranged on to distal end, so as to solve to isolate
The long glistening light of waves come is unable to the problem of modularization is utilized due to the restriction in space, can now realize a solar energy thermal-power-generating unit
Multiple convex lens and speculum can be corresponded to, scale and intensive elelctrochemical power generation is realized, substantially reduces cost of electricity-generating, while improving hair
Electrical efficiency.
Compared with prior art, the present invention has advantages below：
Sunshine is separated into short wavelength light and the long glistening light of waves by the present invention by spectrophotometric unit, and concentrating photovoltaic power generation unit utilizes short
The glistening light of waves carries out photovoltaic generation, and solar energy thermal-power-generating unit carries out hot generating using the long glistening light of waves, and this aspect improves solar energy
Utilization ratio；On the other hand the long glistening light of waves is used into heat generate electricity, so as to avoid photovoltaic panel from heating up, improves the efficiency of photovoltaic generation
And service life.
Brief description of the drawings
Fig. 1 is the schematic diagram of the device of solar generating embodiment 1 of the dual generating of secondary condensation of the present invention；
Fig. 2 is the schematic diagram that the embodiment of the present invention 1 is applied；
Fig. 3 is Fig. 2 top view.
Embodiment
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.It may be appreciated
It is that specific embodiment described herein is used only for explaining the present invention, rather than limitation of the invention.Further need exist for explanation
, for the ease of description, part related to the present invention rather than full content are illustrate only in accompanying drawing.
The present invention is based on existing condensation photovoltaic product, by carrying out branch to the light beam after optically focused, will by secondary condensation
Part solar energy is transported to concentrate behind distal end and utilized, and then realizes the application of solar energy high-energy-density.It is of the invention practical
Property it is strong, performance is good, is the new approaches that a kind of solar energy highly effective generates electricity.
Embodiment 1
A kind of method for electric generation using solar energy of the dual generating of secondary condensation, it includes：
Step 1, using Fresnel Lenses or fresnel reflecting mirror optically focused is carried out to incident sunshine.
Step 2, it will carry out light-splitting processing by the sunshine of Fresnel Lenses or fresnel reflecting mirror, and by sunshine
It is divided into short wavelength light and the long glistening light of waves；Specifically sunshine is divided into short wavelength light and the long glistening light of waves using polarizer, polarizer is arranged on
The front of Fresnel Lenses or Fresnel reflection mirror foci, short wavelength light is passed through from polarizer；The long glistening light of waves is due to specific polarization
Piece is acted on the polarisation of long wave sunshine, and its direction of illumination shifts, and the long glistening light of waves is from the laterally emitted of polarizer.
Step 3, the short wavelength light separated using sunshine carry out photovoltaic generation.
Step 4, the long glistening light of waves separated from sunshine carried out again after optically focused, to be sent to solar energy thermal-power-generating list
Member；Specifically, the long glistening light of waves separated from sunshine is changed into after directional light being sent to solar energy thermal-power-generating using convex lens
Unit, convex lens are arranged on the lateral of polarizer.Can be unordered by the direction of illumination separated from polarizer by convex lens
The long glistening light of waves be changed into the orderly long glistening light of waves, so as to so that all long glistening lights of waves separated all are utilized effectively, but also
The long glistening light of waves separated can be sent to remote position.
Step 5, solar energy thermal-power-generating unit carry out hot generating using the long glistening light of waves of optically focused again.
In the present embodiment, pass through again after convex lens are converted to directional light after the long glistening light of waves optically focused separated
Speculum reflexes to solar energy thermal-power-generating unit., can be by the long glistening light of waves separated by the setting of convex lens and speculum
More remote position is sent to, so as to solve the long glistening light of waves separated due to asking that the restriction in space is unable to that modularization utilizes
Topic, can now realize that a solar energy thermal-power-generating unit can correspond to multiple convex lens and speculum, realize scale and collection
About elelctrochemical power generation, substantially reduces cost of electricity-generating, while improving generating efficiency.
Embodiment 2
The device of solar generating of the dual generating of secondary condensation as shown in Figure 1 is embodiments of the invention 1, and it includes：
Fresnel Lenses or fresnel reflecting mirror 11, spectrophotometric unit, concentrating photovoltaic power generation unit 12, secondary condensation unit and solar energy
Hot generator unit 15.
Fresnel Lenses or fresnel reflecting mirror 11, for carrying out an optically focused to incident sunshine.
Spectrophotometric unit, for light-splitting processing will to be carried out by the sunshine of Fresnel Lenses or fresnel reflecting mirror 11,
So as to which sunshine is divided into short wavelength light and the long glistening light of waves；In the present embodiment, the spectrophotometric unit is polarizer 13, and polarizer 13 is set
It is used to the short wavelength light in incident sunshine being passed into optically focused in the front of Fresnel Lenses or the focus of fresnel reflecting mirror 11
Photovoltaic generation unit 12.Polarizer is located to the short wavelength light in the front of concentrating photovoltaic power generation unit, incident sunshine in polarization
It is gathered in the presence of piece on concentrating photovoltaic power generation unit, and realizes photovoltaic generation.
Concentrating photovoltaic power generation unit 12, photovoltaic generation is carried out for absorbing after the short wavelength light that spectrophotometric unit is separated,
In the present embodiment, concentrating photovoltaic power generation unit 12 is located at Fresnel Lenses or the focal point of fresnel reflecting mirror 11.
Secondary condensation unit, the long glistening light of waves for spectrophotometric unit to be separated is carried out after optically focused again, is sent to the sun
Can hot generator unit 15；In the present embodiment, secondary condensation unit is convex lens 14, and convex lens 14 are located at the lateral of polarizer 13
For the long glistening light of waves for changing direction of illumination by polarizer 13 to be sent into solar energy thermal-power-generating unit 15.Can be with by convex lens
The unordered long glistening light of waves of the direction of illumination separated from polarizer is changed into the orderly long glistening light of waves, so as to so that all isolate
The long glistening light of waves come is all utilized effectively, but also the long glistening light of waves separated can be sent into remote position.
Polarisation effect of the long glistening light of waves due to specific polarization piece to long wave sunshine in incident sunshine, its direction of illumination hair
Raw skew, the long glistening light of waves from the laterally emitted of polarizer, the long glistening light of waves from polarizer it is laterally emitted after can occur optically focused, convex lens will
The long glistening light of waves of optically focused is changed into being sent to solar energy thermal-power-generating unit after directional light, and solar energy thermal-power-generating unit is carried out using the long glistening light of waves
Heat generates electricity.
Solar energy thermal-power-generating unit 15, hot generating is carried out using the long glistening light of waves of optically focused again.Specifically, the length of optically focused again
The glistening light of waves is radiated on the heat dump of solar energy thermal-power-generating unit, and heat dump rear-guard matter of starting building of being heated carries out hot hair by high temperature difference
Electricity.
Sunshine is separated into short wavelength light and the long glistening light of waves by the present invention by spectrophotometric unit, and concentrating photovoltaic power generation unit utilizes short
The glistening light of waves carries out photovoltaic generation, and solar energy thermal-power-generating unit carries out hot generating using the long glistening light of waves, and this aspect improves solar energy
Utilization ratio, on the other hand by the long glistening light of waves be used for heat generate electricity, so as to avoid photovoltaic panel from heating up, improve the efficiency of photovoltaic generation
And service life；The solar photoelectric efficiency high of the present invention, cost is low, it is adaptable to large-scale solar energy electricity generation system, for working as
Preceding hundred billion yuan of photovoltaic generation industries, its good development prospect.
In the present embodiment, speculum 16, speculum are provided between the convex lens 14 and solar energy thermal-power-generating unit 15
The directional light that convex lens are formed reflexes to solar energy thermal-power-generating unit.By the setting of convex lens and speculum, it will can divide
Separate out the long glistening light of waves come and be sent to more remote position, in order to which solar energy thermal-power-generating unit can be arranged on to distal end, so that
The long glistening light of waves for solving to separate can realize a solar energy because the restriction in space is unable to the problem of modularization is utilized, now
Hot generator unit can correspond to multiple convex lens and speculum, realize scale and intensive elelctrochemical power generation, substantially reduce cost of electricity-generating,
Generating efficiency is improved simultaneously.
The solar power system for the multiple device of solar generating compositions of the present embodiment as shown in Figures 2 and 3, Duo Getai
Positive energy TRT shares a Fresnel Lenses or fresnel reflecting mirror 11, Fresnel Lenses or fresnel reflecting mirror
11st, multiple polarizers 13 and multiple concentrating photovoltaic power generation units 12 share same tracking system；And each device of solar generating
Speculum 16, convex lens 14, solar energy thermal-power-generating unit 15 etc. without tracking drive device, be fixed mode, so can
Solar power system is constituted by multiple device of solar generating；Independent tracking transmission mode can also be used to speculum 16
(when single Fresnel Lenses or larger speculum), reflexes to solar energy thermal-power-generating unit 15 by long wave sunshine and is sent out
Electricity.The solar photoelectric efficiency high of the present invention, cost is low, it is adaptable to large-scale solar energy electricity generation system, for current hundred billion yuan
Photovoltaic generation industry, its good development prospect.
Above-described embodiment only not limits the technical scheme described by this patent to illustrate this patent；Therefore, although
This specification has been carried out detailed description, still, the ordinary skill of this area to this patent with reference to each above-mentioned embodiment
Personnel should be appreciated that still can modify or equivalent substitution to this patent；And all do not depart from this patent spirit and
The technical scheme of scope and its improvement, it all should cover among the right of this patent.
Claims (8)
1. a kind of method for electric generation using solar energy of the dual generating of secondary condensation, it is characterised in that including：
Step 1, using Fresnel Lenses or fresnel reflecting mirror optically focused is carried out to incident sunshine；
Step 2, the sunshine progress light-splitting processing that Fresnel Lenses or fresnel reflecting mirror will be passed through, and sunshine is divided into
Short wavelength light and the long glistening light of waves；
Step 3, the short wavelength light separated using sunshine carry out photovoltaic generation；
Step 4, the long glistening light of waves separated from sunshine carried out again after optically focused, to be sent to solar energy thermal-power-generating unit；
Step 5, solar energy thermal-power-generating unit carry out hot generating using the long glistening light of waves of optically focused again.
2. the method for electric generation using solar energy of the dual generating of secondary condensation according to claim 1, it is characterised in that：The step
In 2：Sunshine is divided into short wavelength light and the long glistening light of waves using polarizer, short wavelength light is passed through from polarizer；The long glistening light of waves is due to specific
Polarizer is acted on the polarisation of long wave sunshine, and its direction of illumination shifts, and the long glistening light of waves is from the laterally emitted of polarizer.
3. the method for electric generation using solar energy of the dual generating of secondary condensation according to claim 2, it is characterised in that：The step
In 4：The long glistening light of waves separated from sunshine is changed into being sent to solar energy thermal-power-generating unit after directional light using convex lens.
4. the method for electric generation using solar energy of the dual generating of secondary condensation according to claim 2, it is characterised in that：The separation
Solar energy thermal-power-generating unit is reflexed to by speculum again after convex lens are converted to directional light after long glistening light of waves optically focused out.
5. a kind of device of solar generating of the dual generating of secondary condensation, it is characterised in that including：
Fresnel Lenses or fresnel reflecting mirror, for carrying out an optically focused to incident sunshine；
Spectrophotometric unit, for light-splitting processing will to be carried out by the sunshine of Fresnel Lenses or fresnel reflecting mirror, so that will
Sunshine is divided into short wavelength light and the long glistening light of waves；
Concentrating photovoltaic power generation unit, photovoltaic generation is carried out for absorbing after the short wavelength light that spectrophotometric unit is separated；
Secondary condensation unit, the long glistening light of waves for spectrophotometric unit to be separated is carried out after optically focused again, is sent to solar heat
Generator unit；
Solar energy thermal-power-generating unit, hot generating is carried out using the long glistening light of waves of optically focused again.
6. the device of solar generating of the dual generating of secondary condensation according to claim 5, it is characterised in that：The light splitting
Unit is polarizer, and concentrating photovoltaic power generation unit is located at Fresnel Lenses or fresnel reflecting mirror focal point, and polarizer is located at
The front of Fresnel Lenses or Fresnel reflection mirror foci is used to the short wavelength light in incident sunshine being passed into condensation photovoltaic
Generator unit, secondary condensation unit, which is located at the lateral of polarizer, to be used to transmit the long glistening light of waves for changing direction of illumination by polarizer
To solar energy thermal-power-generating unit.
7. the device of solar generating of the dual generating of secondary condensation according to claim 6, it is characterised in that：It is described secondary
Light focusing unit is convex lens.
8. the device of solar generating of the dual generating of secondary condensation according to claim 7, it is characterised in that：The convex lens
Speculum is provided between mirror and solar energy thermal-power-generating unit, the directional light that convex lens are formed is reflexed to solar heat and sent out by speculum
Electric unit.
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