CN104912756B - Solar energy composite utilizes system - Google Patents
Solar energy composite utilizes system Download PDFInfo
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- CN104912756B CN104912756B CN201410084648.1A CN201410084648A CN104912756B CN 104912756 B CN104912756 B CN 104912756B CN 201410084648 A CN201410084648 A CN 201410084648A CN 104912756 B CN104912756 B CN 104912756B
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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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- 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
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Abstract
The invention discloses a kind of solar energy composite to utilize system, including photovoltaic, solar-thermal generating system, heat pump and user's heat-exchanger rig.Converted solar energy into electrical energy by using photovoltaic, solar-thermal generating system with high conversion and kinetic energy, heat pump realize that the kind of refrigeration cycle of air-conditioning and heating circulate using above-mentioned electric energy or kinetic energy as power, with reference to user's heat-exchanger rig.Concentrating photovoltaic power generation is generated electricity and is combined by above-mentioned photovoltaic, solar-thermal generating system with concentration photo-thermal, and further acquire caused heat energy during concentrating photovoltaic power generation, on the basis of tradition utilizes photovoltaic generation, the further utilization rate for improving solar energy, so as to improve above-mentioned solar energy composite using the refrigeration of system and the efficiency of heating.
Description
Technical field
The present invention relates to application of solar, and system is utilized more particularly to a kind of solar energy composite.
Background technology
In the environment of global warming, solar energy represents as outstanding new energy, enjoys the favor of countries in the world.
Under low-carbon energy-saving trend, the solar energy based on photothermal technique has been applied to every profession and trade, is constantly improving energy resource structure.
Summer, the power consumption of air-conditioning generally account for 1/3rd of whole power system total electricity consumption, account for home-use electricity
70%, this is the main reason for summer power system can't bear the heavy load, and solar airconditioning with alleviating air-conditioning power consumption pair
Power system has a strong impact on.Using solar energy as main energy sources when solar airconditioning heats, taking for heat energy is converted solar energy into
It is warm；It is then more during refrigeration that refrigeration is realized using moisture absorption/vaporization cycle.
However, current solar airconditioning is using solar energy when being freezed or being heated, the utilization ratio of solar energy
Not high, the efficiency for causing solar airconditioning to freeze or heat is not also high.
The content of the invention
Based on this, it is necessary to it is unreasonable for solar airconditioning mode of operation, cause solar airconditioning to freeze or heat
Efficiency it is low the problem of, there is provided a kind of high solar energy composite of solar energy utilization ratio utilizes system.
A kind of solar energy composite utilizes system, including：
Photovoltaic, solar-thermal generating system, for converting solar energy into heat energy by concentration photo-thermal receiver, pass through
Concentration photovoltaic receiver converts solar energy into electrical energy and heat energy caused by gathering concentration photovoltaic receiver radiating, passes through
Rankine cycle turns heat energy caused by heat energy caused by the concentration photo-thermal receiver and concentration photovoltaic receiver radiating
Turn to kinetic energy；
The heat pump and user's heat-exchanger rig of interconnection, the heat pump connect the photovoltaic, photo-thermal
Electricity generation system, for completing kind of refrigeration cycle or heating circulation by the kinetic energy or electric energy, and with reference to user's heat-exchanger rig.
In one of the embodiments, the photovoltaic, solar-thermal generating system include：
The concentration photo-thermal receiver, for converting solar energy into heat energy；
High temperature heat storage and exchange device, the concentration photo-thermal receiver is connected, for storing the concentration photo-thermal receiver
Caused heat energy is simultaneously conducted；
The concentration photovoltaic receiver, for converting solar energy into electrical energy；
Low temperature heat exchanger, the concentration photovoltaic receiver is connected, when being radiated for gathering the concentration photovoltaic receiver
Caused heat energy is simultaneously conducted；
The expanding machine and cooling device of interconnection, the expanding machine and cooling device pass through pump and pipeline connection respectively
The high temperature heat storage and exchange device and low temperature heat exchanger；The low temperature heat exchanger, high temperature heat storage and exchange device, expansion
Machine, cooling device and pump form Rankine cycle circuit, the conversion of heat into kinetic energy in the Rankine cycle circuit；
DC-to-AC converter, connect the concentration photovoltaic receiver；The concentration photovoltaic receiver is filled by the inverter
Put output alternating current；
The DC-to-AC converter or the expanding machine connect the heat pump respectively, for being provided for the heat pump
Electric energy or kinetic energy.
In one of the embodiments, the photovoltaic, solar-thermal generating system also include motor, the motor
The expanding machine is connected, for the kinetic energy to be converted into electric energy；
The motor connects the heat pump, for providing electric energy for heat pump.
In one of the embodiments, the high temperature heat storage and exchange device includes：
High temperature fluid reservoir, the high temperature fluid reservoir are full of fuse salt heat accumulation agent；
3rd heat exchanger, it is placed in the high temperature fluid reservoir, including the 3rd working medium entrances and the 3rd sender property outlet, it is described
3rd working medium entrances connect the concentration photo-thermal receiver by pipeline respectively with the 3rd sender property outlet；Wherein, the pipeline heat
Connect the light cavity of the concentration photo-thermal receiver；
4th heat exchanger, it is placed in the high temperature fluid reservoir, including the 4th working medium entrances and the 4th sender property outlet, it is described
4th working medium entrances and the 4th sender property outlet pass through low temperature heat exchanger described in pipeline connection and the expanding machine respectively.
In one of the embodiments, the low temperature heat exchanger includes：
Low temperature liquid storage heat exchange tank, filled with anti-freeze cooling liquid, and it is provided with coolant inlet and cooling liquid outlet, the coolant
Entrance and cooling liquid outlet pass through the radiator of concentration photovoltaic receiver described in pipeline connection respectively；The concentration photovoltaic receiver
Anti-freeze cooling liquid described in energy heats caused by radiating, heated anti-freeze cooling liquid store up into the low temperature liquid storage heat exchange tank
Heat exchange is deposited, the anti-freeze cooling liquid by heat exchange cooling is re-circulated to the concentration photovoltaic receiver and forms heat-radiation loop；
5th heat exchanger, it is placed in the low temperature liquid storage heat exchange tank, including the 5th working medium entrances and the 5th sender property outlet, institute
The 5th working medium entrances and the 5th sender property outlet are stated respectively by cooling device described in pipeline connection and high temperature heat storage and exchange device；
For giving thermal energy conduction caused by concentration photovoltaic receiver radiating to the high temperature heat storage and exchange device.
In one of the embodiments, the concentration photo-thermal receiver is defined slot type point concentration photo-thermal reception device.
In one of the embodiments, the concentration photovoltaic receiver is defined slot type point condensation photovoltaic reception device.
In one of the embodiments, the heat pump include compressor, reversal valve and the First Heat Exchanger of connection,
Expansion valve and the second heat exchanger；
The compressor, the photovoltaic, solar-thermal generating system are connected, for being compressed by the kinetic energy or electric energy
Refrigerant；
The reversal valve, provided with first end, the second end, the 3rd end and the 4th end, the first end, the second end are respectively communicated with
The input and output end of the compressor；3rd end connects the First Heat Exchanger；4th end connection described the
Two heat exchangers；User's heat-exchanger rig connects second heat exchanger by pipeline；
When the first end connects with the 3rd end, second end connects with the 4th end, and the heat pump is with reference to described
User's heat-exchanger rig completes the heating circulation；When second end connects with the 3rd end, the first end connects with the 4th end,
The heat pump completes the kind of refrigeration cycle with reference to user's heat-exchanger rig.
In one of the embodiments, the First Heat Exchanger is ground-coupled heat exchanger.
In one of the embodiments, second heat exchanger is water storage heat exchanger or ice storage heat exchanger.
Above-mentioned solar energy composite utilizes system, will too with high conversion by using photovoltaic, solar-thermal generating system
Sun can be converted into electric energy and kinetic energy, and heat pump is realized empty using above-mentioned electric energy or kinetic energy as power with reference to user's heat-exchanger rig
The kind of refrigeration cycle of tune and heating circulate.Photovoltaic, solar-thermal generating system are converted solar energy by concentration photo-thermal receiver
For heat energy, converted solar energy into electrical energy by concentration photovoltaic receiver and produced when gathering the concentration photovoltaic receiver radiating
Heat energy, produced when heat energy caused by the concentration photo-thermal receiver and the concentration photovoltaic receiver being radiated by Rankine cycle
Raw conversion of heat into kinetic energy.Above-mentioned photovoltaic, solar-thermal generating system are by concentrating photovoltaic power generation and concentration photo-thermal generating phase
With reference to, and caused heat energy during concentrating photovoltaic power generation is further acquired, on the basis of tradition utilizes photovoltaic generation,
The further utilization rate for improving solar energy, so as to improve above-mentioned solar energy composite using the refrigeration of system and the effect of heating
Rate.
Brief description of the drawings
Fig. 1 is that the solar energy composite of one embodiment of the invention utilizes system schematic；
Fig. 2 is that the solar energy composite of another embodiment of the present invention utilizes system schematic；
Fig. 3 is photovoltaic, the schematic diagram of solar-thermal generating system in embodiment illustrated in fig. 2；
Fig. 4 is photovoltaic, solar-thermal generating system schematic diagram in another embodiment；
Fig. 5 is that the solar energy composite of another embodiment of the present invention utilizes system schematic；
Fig. 6 is the light cavity cross-section figure of the thermally coupled concentration photo-thermal receiver of embodiment illustrated in fig. 4 pipeline；
Fig. 7 is that the quasi- slot type point Photospot solar of an embodiment utilizes schematic device；
Fig. 8 is that the quasi- slot type point Photospot solar of another embodiment utilizes schematic device；
Fig. 9 is embodiment illustrated in fig. 8 support side point collective optics arrangement top view；
Figure 10 is embodiment illustrated in fig. 8 receiving port schematic diagram；
Figure 11 is incidence angle schematic diagram of the embodiment illustrated in fig. 8 point collective optics relative to corresponding photoelectric conversion device；
Figure 12 is embodiment illustrated in fig. 8 photoelectric conversion device schematic diagram；
Figure 13 is photoelectric conversion device schematic diagram in another embodiment.
Embodiment
A kind of solar energy composite utilizes system, by the way that concentration photo-thermal technology and condensation photovoltaic technology are combined, and
During condensation photovoltaic converts light energy into electric energy, the heat energy for failing to be converted into electric energy is further converted to kinetic energy, improved
The utilization rate of solar energy, further increase the generating efficiency that solar energy composite utilizes system；When above-mentioned solar energy composite profit
When being used for refrigeration or cooling/heating air conditioner with system, the refrigeration of existing solar airconditioning and the efficiency of heating are improved, further section
Power saving energy.Above-mentioned solar energy composite can carry out energy storage using system in solar energy abundance on daytime, when night is without sunshine,
It can be heated or freezed by the energy that water storage heat exchanger either stores in ice storage heat exchanger, further save electric energy.
A kind of solar energy composite of the present invention is further elaborated using system with reference to the accompanying drawings and examples.
Shown in Fig. 1, system schematic is utilized for the solar energy composite of one embodiment of the invention.With reference to figure 1, a kind of solar energy
Utilization system 500, including photovoltaic, the solar-thermal generating system 520 being sequentially connected with, heat pump 540 and user change
Thermal 560.
Photovoltaic, solar-thermal generating system 520 pass through concentration photo-thermal receiver（It is not shown）Convert solar energy into heat
Can, pass through concentration photovoltaic receiver（It is not shown）Convert solar energy into electrical energy and produced when gathering concentration photovoltaic receiver radiating
Heat energy, by Rankine cycle by heat energy caused by concentration photo-thermal receiver and concentration photovoltaic receiver radiating caused by heat energy
It is converted into kinetic energy.Heat pump 540 by above-mentioned kinetic energy or electric energy, and combine user's heat-exchanger rig 560 complete kind of refrigeration cycle and/
Or heating circulation.
Above-mentioned solar energy composite utilizes system 500, is converted by using photovoltaic, solar-thermal generating system 520 with height
Rate converts solar energy into electrical energy and kinetic energy, and heat pump 540 exchanges heat with reference to user and filled using above-mentioned electric energy or kinetic energy as power
Put 560 kind of refrigeration cycle for realizing air-conditioning and heating circulates.Above-mentioned photovoltaic, solar-thermal generating system 520 send out condensation photovoltaic
Electricity generates electricity with concentration photo-thermal and is combined, and further acquires caused heat energy during concentrating photovoltaic power generation, in traditional profit
On the basis of photovoltaic generation, the utilization rate of solar energy is further improved, is utilized so as to improve above-mentioned solar energy composite
The refrigeration of system 500 and the efficiency of heating, further save electric energy.
Shown in Fig. 2, system schematic is utilized for the solar energy composite of another embodiment of the present invention.With reference to figure 2, a kind of sun
Energy utilization system 600, including photovoltaic, the solar-thermal generating system 620 being sequentially connected with, heat pump 640 and user
Heat-exchanger rig 660.Above-mentioned heat pump 640 includes the First Heat Exchanger 646, swollen of compressor 642, reversal valve 644 and connection
The swollen heat exchanger 649 of valve 648 and second.Compressor 642 connects above-mentioned photovoltaic, solar-thermal generating system 620, compressor 642
Input and output end（Figure is not marked）It is respectively communicated with the end 2 of first end 1 and second of reversal valve 644, the 3rd end of reversal valve 644
3 connection First Heat Exchangers 646, the 4th end 4 of reversal valve 644 connects above-mentioned second heat exchanger 649.User's heat-exchanger rig 660 is logical
Cross pipeline and connect above-mentioned second heat exchanger 649.
When above-mentioned first end 1 connects with the 3rd end 3, above-mentioned second end 2 is connected with the 4th end 4, and heat pump 640, which combines, to be used
Family heat-exchanger rig 660 completes air-conditioning heating circulation；When second end 2 connects with the 3rd end 3, first end 1 connects with the 4th end 4, heat
Pumping system 640 combines user's heat-exchanger rig 660 and completes air conditioner refrigerating circulation.
During heating circulation：Refrigerant is compressed to obtain the system of HTHP by compressor 642 by kinetic energy and/or electric energy
Refrigerant gas, the refrigerant gas of above-mentioned HTHP are transmitted to second and changed by the output end of compressor 642, reversal valve 644
Hot device 649, now, the refrigerant gas heat release of HTHP are simultaneously conducted to user's heat-exchanger rig 660, realize to user environment
Heating.By the refrigerant of the second heat exchanger 649, pressure reduces after expansion valve 648, temperature reduces, and is recycled to the first heat exchange
Heat is absorbed during device 646, and continues through reversal valve 644 and is recycled to compressor 642, completes once heating circulation.
During kind of refrigeration cycle：Refrigerant is compressed to obtain the system of HTHP by compressor 642 by kinetic energy and/or electric energy
Refrigerant gas, the refrigerant gas of above-mentioned HTHP are transmitted to first and changed by the output end of compressor 642, reversal valve 644
Hot device 646, now, the refrigerant gas of HTHP is to extraneous heat release, pressure reduction, temperature reduction after expansion valve 648,
Heat is absorbed when being recycled to the second heat exchanger 649, takes away the heat of user's heat-exchanger rig 660, further reduces user environment
Temperature, complete a kind of refrigeration cycle.
Specifically, above-mentioned First Heat Exchanger 646 is ground-coupled heat exchanger（It is not shown）.Ground-coupled heat exchanger is the one of cooling device
Kind, heat exchange is carried out by underground water temperature.Specifically, the temperature in above-mentioned ground source is about 15 DEG C.
Above-mentioned First Heat Exchanger 646 can also be air heat exchanger, and air is exchanged heat.
Specifically, above-mentioned second heat exchanger 649 is water storage heat exchanger or ice storage heat exchanger.Above-mentioned solar energy composite utilizes
System 600 completes above-mentioned kind of refrigeration cycle by the energy of sunshine or heating circulates in sunshine abundance.
When heating circulation, pass through above-mentioned water storage heat exchanger and store heat；When night or solar energy deficiency, pass through
The energy of above-mentioned water storage heat exchanger storage completes heating circulation, further saves electric energy, improves solar energy composite using system
The heating rate of system 600.When kind of refrigeration cycle, by ice storage heat exchanger storage of cold amount, when night or solar energy deficiency,
The energy stored by above-mentioned ice storage heat exchanger completes kind of refrigeration cycle, further saves electric energy, improves solar energy composite profit
With the duty of system 600.
It is photovoltaic, the schematic diagram of solar-thermal generating system in embodiment illustrated in fig. 2 shown in Fig. 3.With reference to figure 3, pass through
Photovoltaic, solar-thermal generating system 100 carry out further details of theory to above-mentioned photovoltaic, solar-thermal generating system 620
It is bright.
With reference to figure 3, a kind of photovoltaic, solar-thermal generating system 100, including the storage of concentration photo-thermal receiver 120, high temperature
Heat exchanger 140, concentration photovoltaic receiver 160, low temperature heat exchanger 180, expanding machine 190, cooling device 170 and inversion
Device device 150.
Above-mentioned high temperature heat storage and exchange device 140 connects concentration photo-thermal receiver 120, and the connection of low temperature heat exchanger 180 is poly-
Light photovoltaic receiver 160 and high temperature heat storage and exchange device 140, expanding machine 190 and cooling device 170 pass through pipeline connection respectively
High temperature heat storage and exchange device 140 and low temperature heat exchanger 180.Concentration photo-thermal receiver 120 receives solar energy and is converted into heat
Can, high temperature heat storage and exchange device 140 winds the light cavity of concentration photo-thermal receiver 120 by pipeline（It is not shown）In connection
Concentration photo-thermal receiver 120 is stated, heat energy caused by storage concentration photo-thermal receiver 120 is simultaneously further conducted.Optically focused light
Volt receiver 160 receives sunshine and is converted to electric energy, further exports alternating current by DC-to-AC converter 150.Above-mentioned poly-
During light photovoltaic receiver 160 converts light energy into electric energy, there is part solar energy to be converted to heat energy, low temperature heat exchanger
The 180 above-mentioned heat energy for not being converted to electric energy of collection, and give above-mentioned thermal energy conduction to high temperature heat storage and exchange device by pipeline
140；The conduction of above-mentioned heat energy is referred to by being heated to working medium, and working medium is conducted by pipeline, completed to heat energy
Conduction；The working medium that above-mentioned high temperature heat storage and exchange device 140 conducts to above-mentioned low temperature heat exchanger 180 is carried out after heating again
Further conducted.Expanding machine 190 and cooling device 170 pass through the above-mentioned high temperature heat storage and exchange device of pipeline connection respectively
140 and low temperature heat exchanger 180 and Rankine cycle circuit is formed, above-mentioned Rankine cycle is by photovoltaic, solar-thermal generating system
Heat energy in 100 is converted to kinetic energy, and above-mentioned kinetic energy can be further converted into electric energy.
Above-mentioned photovoltaic, solar-thermal generating system 100, concentrating photovoltaic power generation and concentration photo-thermal generation technology are mutually tied
Close, and further acquire heat energy caused by radiating during concentrating photovoltaic power generation, the basis of photovoltaic generation is utilized in tradition
On, further improve the utilization rate of solar energy.Above-mentioned photovoltaic, solar-thermal generating system 100 are solved using only light
When heat generates electricity Solar use it is inefficient, using only during photovoltaic generation the problem of stability of a system difference, and on this basis
Further increase the utilization rate of solar energy.
In another embodiment, above-mentioned DC-to-AC converter 150 is by connecting motor（It is not shown）Further connect above-mentioned
Compressor 642, the electrical energy drive motor exported by DC-to-AC converter 150, so as to drive compressor 642.
Fig. 4 is photovoltaic, solar-thermal generating system schematic diagram in another embodiment.
With reference to figure 4, a kind of photovoltaic, solar-thermal generating system 200, including the storage of concentration photo-thermal receiver 202, high temperature
Heat exchanger 204, concentration photovoltaic receiver 208, low temperature heat exchanger 212, expanding machine 216, cooling device 218 and inversion
Device device 210.
The light cavity that above-mentioned high temperature heat storage and exchange device 204 passes through the thermally coupled concentration photo-thermal receiver 202 of pipeline（Figure
Do not show）, low temperature heat exchanger 212 pass through pipeline connect concentration photovoltaic receiver 208 radiator（It is not shown）, low-temperature heat exchange dress
212 are put to export by pipeline connection high temperature heat storage and exchange device 204, the interconnection inverter device 210 of concentration photovoltaic receiver 208
Alternating current；Expanding machine 216 and cooling device 218 pass through pipeline connection high temperature heat storage and exchange device 204 and low-temperature heat exchange respectively
Device 212, and Rankine cycle circuit is formed, above-mentioned Rankine cycle turns the heat energy in photovoltaic, solar-thermal generating system 200
It is changed to kinetic energy.As needed, above-mentioned kinetic energy can be further converted into electric energy.
Specifically, above-mentioned pipeline is the thermo-insulating pipe line for being coated with insulation material.
Further, above-mentioned photovoltaic, solar-thermal generating system 200 also include motor 220, above-mentioned motor 220
Expanding machine 216 is connected, for kinetic energy caused by above-mentioned Rankine cycle to be converted into electric energy, and further passes through the connection of switch 222
External circuit is exported above-mentioned electric energy.Above-mentioned motor 220 connects above-mentioned compressor 642（It is not shown）, for for compression
Machine 642 provides power.Above-mentioned DC-to-AC converter 210 also can further be provided by connecting above-mentioned motor 220 for compressor 642
Power, the solar energy utilization ratio that solar energy composite utilizes system is further increased, system is utilized so as to improve solar energy composite
Refrigerating efficiency and heating efficiency.
Specifically, with reference to figure 4, above-mentioned high temperature heat storage and exchange device 204 includes：High temperature fluid reservoir the 2042, the 3rd changes
The hot heat exchanger 2046 of device 2044 and the 4th.
Above-mentioned high temperature heat storage can 2042 is closed and is full of fuse salt heat accumulation agent, for storing heat.It is specifically, above-mentioned molten
It is nitrate heat accumulation agent to melt salt heat accumulation agent.Above-mentioned First Heat Exchanger 2044 is tubular exchanger, is placed in above-mentioned high temperature heat storage can
Stretched out in 2042 and by the first working medium entrances a and the first sender property outlet b from above-mentioned high temperature heat storage can 2042, above-mentioned first work
Matter entrance a and the first sender property outlet b connect above-mentioned concentration photo-thermal receiver 202 by pipeline respectively.Above-mentioned First Heat Exchanger
High temperature resistant working medium is full of in 2044 tubular loops formed with above-mentioned pipeline, is received concentration photo-thermal by above-mentioned high temperature resistant working medium
The thermal energy conduction that device 202 is changed absorbs heat phase transformation to the fuse salt heat accumulation agent in above-mentioned high temperature fluid reservoir, fuse salt heat accumulation agent
Above-mentioned heat energy is stored to liquid.Specifically, above-mentioned First Heat Exchanger 2044 is high temperature resistant working fluid heat exchanger, for passing through
High temperature resistant working medium circulation exchanges heat.Specifically, above-mentioned high temperature resistant working medium is air or thermostable heat-conductive oil.In other embodiments
In, other high temperature resistant working medium also may be selected in above-mentioned high temperature resistant working medium.
With reference to figure 4, above-mentioned 3rd sender property outlet b connects above-mentioned concentration photo-thermal receiver by pump 206 with thermo-insulating pipe line
202.Power is provided by pump 206, by the high temperature resistant working medium in above-mentioned 3rd heat exchanger 2044 and the thermo-insulating pipe line being attached thereto
Circulation is formed, it is lasting to store up thermal energy conduction caused by concentration photo-thermal receiver 202 to the fuse salt in above-mentioned high temperature fluid reservoir
Thermit powder.
Shown in Fig. 5, system schematic is utilized for the solar energy composite of another embodiment of the present invention.
With reference to 5, above-mentioned cooling device 218 is ground-coupled heat exchanger.Above-mentioned First Heat Exchanger 646 can be with above-mentioned cooling device
218 are integrated into a ground-coupled heat exchanger（Figure is not marked）, and respective function is realized simultaneously.Specifically, in the present embodiment, above-mentioned ground source
Temperature be about 15 DEG C.
It is the sectional view of the light cavity of the thermally coupled concentration photo-thermal receiver of embodiment illustrated in fig. 4 pipeline shown in Fig. 6.
With reference to figure 6, the light cavity 2022 of the above-mentioned thermally coupled above-mentioned concentration photo-thermal receiver 202 of pipeline.By in winding
Light cavity 2022 is stated by heat absorption caused by concentration photo-thermal receiver 202 and is conducted.Specifically, above-mentioned pipeline and upper
The part of light cavity non-illuminated surface is stated, is coated with insulation material, prevents heat energy loss.
With reference to figure 4, above-mentioned 4th heat exchanger 2046 is placed in high temperature fluid reservoir 2042, is tubular exchanger, including the
Four working medium entrances c and the 4th sender property outlet d, above-mentioned 4th working medium entrances c and the 4th sender property outlet d stretch out above-mentioned high temperature liquid storage
Tank 2042 simultaneously passes through pipeline connection low temperature heat exchanger 212 and expanding machine 216 respectively.Specifically, above-mentioned 4th heat exchanger 2046
Organic working medium is full of in the tubular loop formed with pipeline.Specifically, above-mentioned 4th heat exchanger 2046 is organic working medium radiator,
For the heat energy in above-mentioned Rankine cycle circuit to be converted into kinetic energy by organic working medium.Specifically, above-mentioned organic working medium is
R134a refrigerants etc..
Specifically, above-mentioned photovoltaic, solar-thermal generating system 200 include the low temperature heat exchanger 212 of several cascades,
For being cooled step by step to concentration photovoltaic receiver 208.With reference in embodiment illustrated in fig. 4, including three above-mentioned low-temperature heat exchanges
Device 212.
Specifically, above-mentioned each low temperature heat exchanger 212 includes low temperature liquid storage heat exchange tank 2122 and the 5th heat exchanger 2124.
Each low temperature liquid storage heat exchange tank 2122 is respectively equipped with coolant inlet e and cooling liquid outlet f, and the 5th heat exchanger 2124 changes for tubulose
Hot device, it is placed in above-mentioned low temperature liquid storage heat exchange tank 2122, and is stretched out respectively by the 5th working medium entrances g and the 5th sender property outlet h
Low temperature liquid storage heat exchange tank 2122.
Cooling liquid outlet f between each low temperature heat exchanger 212 passes through pump 206 and next low temperature heat exchanger 212
Coolant inlet e is interconnected, the 5th sender property outlet h between each low temperature heat exchanger 212 and a upper low temperature heat exchanger
212 the 5th working medium entrances g is interconnected.Low temperature heat exchanger 212 form cascade structure both ends coolant inlet e with it is cold
But liquid outlet f connects concentration photovoltaic receiver 208, the 5th working medium entrances g connection cooling devices 218, the 5th working medium by pipeline
Export the 4th working medium entrances c that h connects above-mentioned high temperature heat storage and exchange device 204.
Filled with anti-freeze cooling liquid in above-mentioned low temperature liquid storage heat exchange tank 2122, pass through cooling between low temperature liquid storage heat exchange tank 2122
Liquid outlet f and coolant inlet e is interconnected, and connects condensation photovoltaic with coolant inlet e by the cooling liquid outlet f at both ends
The radiator of receiver 208, concentration photovoltaic receiver 208 radiate caused by energy heats anti-freeze cooling liquids, heated is anti-
Freeze coolant and enter the storage heat exchange of low temperature liquid storage heat exchange tank 2122, the anti-freeze cooling liquid by heat exchange cooling is re-circulated to optically focused
Photovoltaic receiver 208 forms heat-radiation loop, forms the circulation of anti-freeze cooling liquid, realizes what concentration photovoltaic receiver 208 radiated
Heat energy is constantly conducted into low-temperature liquid storage tank.
In the cascade structure of above-mentioned low temperature heat exchanger 212, between the 5th heat exchanger 2124 by the 5th sender property outlet h and
5th working medium entrances g is interconnected, and is respectively communicated with high temperature by the 5th sender property outlet h at both ends and the 5th working medium entrances g
The 4th working medium entrances c and cooling device 218 of heat storage and exchange device 204, form the Rankine cycle of organic working medium, realize by
Concentration photovoltaic receiver 208 radiate caused by heat energy caused by heat energy and concentration photo-thermal receiver 202 all conduction to above-mentioned
In Rankine cycle, and electric energy is further converted into, further increases the utilization rate of solar energy.
Above-mentioned cascade structure, realize the conduction of heat energy to a greater extent caused by condensation photovoltaic radiator heat-dissipation extremely
In Rankine cycle, be allowed to be converted to electric energy to a greater extent, realize condensation photovoltaic part solar energy utilization ratio reach 30% with
On.
Specifically, with reference to figure 4, the antifreeze cooling of above-mentioned low temperature heat exchanger 212 is entered by concentration photovoltaic receiver 208
The temperature of liquid is 90 DEG C -120 DEG C, by setting pump 206 or setting auto-induction apparatus（It is not shown）, control first low temperature
Anti-freeze cooling liquid in heat-exchanger rig 212 is maintained at 80 DEG C or so, and the anti-freeze cooling liquid in second low temperature heat exchanger 212 is protected
The anti-freeze cooling liquid in 60 DEG C or so, the 3rd low temperature heat exchanger 212 is held to be maintained at 40 DEG C or so and then again pass by poly-
Light photovoltaic receiver 208, complete the circulation of anti-freeze cooling liquid.
In other examples, the above-mentioned quantity of low temperature heat exchanger 212 is alternatively 1,2 or more than three.When
When the quantity of low temperature heat exchanger 212 only has 1, its coolant inlet e connects optically focused light by pipeline respectively with cooling liquid outlet f
Lie prostrate receiver 208.Further, cooling liquid outlet f connects concentration photovoltaic receiver 208 by pump 206.Low temperature liquid storage heat exchange tank
Filled with anti-freeze cooling liquid in 2122, after anti-freeze cooling liquid is by cooling liquid outlet f, pump 206 and concentration photovoltaic receiver 208, then
Low temperature liquid storage heat exchange tank 2122 is returned to by coolant inlet e, anti-freeze cooling liquid is by concentration photovoltaic receiver in above-mentioned circulation
Thermal energy conduction is to low temperature liquid storage heat exchange tank 2122 caused by 208 radiatings.Above-mentioned 5th heat exchanger 2124 is entered by the 5th working medium
Mouth g and the 5th sender property outlet h stretches out low temperature liquid storage heat exchanger tube respectively, and passes through pipeline connection cooling device 218 and middle height respectively
4th working medium entrances c of warm heat storage and exchange device 204, forms the Rankine cycle of organic working medium, and the heat energy in circulation is further
Be converted to electric energy.
When the quantity of low temperature heat exchanger 212 of above-mentioned cascade is multiple, the temperature equal difference between low temperature heat exchanger 212
Reduce or reduced according to default temperature gradient, realize gradient cooling or gradient radiating, above-mentioned condensation photovoltaic can be ensured
Receiver 208 radiate caused by heat energy be farthest conducted in above-mentioned high temperature heat storage and exchange device 204, further
Improve the utilization rate of solar energy.
Further, above-mentioned photovoltaic, solar-thermal generating system 200 include at least two by valve 214, expanding machine
216th, the series unit of generator 220 and the composition of switch 222（Figure is not marked）, parallel with one another between each unit, valve 214 divides
Not Lian Tong high temperature heat storage and exchange device 204 the 4th sender property outlet d, expanding machine 216 is respectively communicated with cooling device 218, switchs
222 connect external circuit respectively, realize to transmit electric energy caused by Rankine cycle to external circuit and are applied.On specifically,
It is screw expander machine or scroll expander to state expanding machine 216.
In other embodiments, above-mentioned expanding machine 216 can also be turbo-expander.
Specifically, above-mentioned concentration photovoltaic receiver 208 is a kind of quasi- slot type point condensation photovoltaic reception device, i.e., a kind of quasi- groove
Formula point Photospot solar utilizes device.
Above-mentioned quasi- slot type point Photospot solar utilizes device, by the way that multiple collective opticses are set into the slot type structure that is defined,
The cleaning subsequently to above-mentioned multiple collective opticses is facilitated, and is provided with accordingly for each point collective optics
Photoelectric conversion device, improve solar energy utilization ratio.Characteristic parameter and corresponding photoelectricity by set-point collective optics
The supplemental characteristic of conversion equipment, heat abstractor, conductive structure, supporting construction etc., the utilization rate of solar energy is further increased, dropped
Low manufacturing cost and maintenance cost.By being respectively provided to few two row's photovoltaic cells in support meanss both sides, between each row,
Photoelectric conversion device corresponding to adjacent photovoltaic cell can share a receiving port, reduce quasi- slot type point Photospot solar and utilize
The production cost of device, and provided conveniently for the arrangement of circuit and coolant pipeline.In the setting of photoelectric conversion device,
By setting the photovoltaic cell of multiple matrix arrangements on heat-conduction circuit board, it is parallel with one another between each battery and respectively connection protect
Protection circuit, when in use, if one of photovoltaic cell breaks down, corresponding photovoltaic cell can be individually replaced, from
Normal use without influenceing other photovoltaic cells, does not influence the use of whole photoelectric conversion device, further improves standard
Slot type point Photospot solar utilizes the feasibility of device, improves the bulk life time of system, reduces maintenance cost.
With reference to the accompanying drawings and examples, above-mentioned quasi- slot type point Photospot solar is carried out using device further details of
Explanation.
Shown in Fig. 7, schematic device is utilized for the quasi- slot type point Photospot solar of an embodiment.
With reference to figure 7, a kind of quasi- slot type point Photospot solar utilizes device 300, including support meanss 320, multiple optically focused
Element 340 and multiple photoelectric conversion devices 360.
Wherein, support meanss 320 include support 322 and base 324, and base 324 is symmetrically distributed in the both sides of support 322,
Multiple collective opticses 340 are symmetrically distributed on the base 324 of the above-mentioned both sides of support 322, form quasi- slot type structure；Multiple photoelectricity
Conversion equipment 360, one end relative with base 324 positioned at support 322, photoelectric conversion device 360 is with putting the quantity of collective optics 340
Equal and corresponded with a collective optics 340, the light-receiving mouth of photoelectric conversion device 360 is towards corresponding point collective optics
340 and positioned at the optically focused focal point of corresponding point collective optics 340.
Above-mentioned quasi- slot type point Photospot solar utilizes device 300, and point collective optics 340 receives and converges sunshine, and upper
State the corresponding photoelectric conversion device 360 of a collective optics 340 and the sunshine that above-mentioned collective optics 340 converges is converted into electricity
Energy.Above-mentioned quasi- slot type point Photospot solar is utilized to the sun light receiver position of device, i.e., the entirety of above-mentioned collective optics 340
Structure setting is defined slot type structure, is provided with corresponding photoelectric conversion device 360 for each collective optics 340, is improving
While follow-up cleaning, system cost reduce further.Slot type structure is combined with point light condensing technology so that more
Point collective optics 340 can get out of the way the superjacent air space of point collective optics 340 with public same support meanss 320, it is convenient follow-up logical
Cross and use automatic cleaning apparatus（It is not shown）A collective optics 340 is cleaned, and conveniently carries out changing point collective optics
340 grades operate, and overhead support 322 makes each lateral connection of photoelectric conversion device 360, this convenient arrangement wire and heat-radiation loop（Figure
Do not show）.
Shown in Fig. 8, schematic device is utilized for the quasi- slot type point Photospot solar of another embodiment.
With reference to figure 8, a kind of quasi- slot type point Photospot solar utilizes device 400, including support meanss 420, multiple optically focused
Element 440 and multiple photoelectric conversion devices 460.
Wherein, support meanss 420 include support 422 and base 424, and base 424 is symmetrically distributed in the both sides of support 422,
Multiple collective opticses 440 are symmetrically distributed on the base 424 of the above-mentioned both sides of support 422, form quasi- slot type structure；Multiple photoelectricity
Conversion equipment 460, one end relative with base 424 positioned at support 422, photoelectric conversion device 460 is with putting the quantity of collective optics 440
Equal and corresponded with a collective optics 440, the light-receiving mouth of photoelectric conversion device 460 is towards corresponding point collective optics
440 and positioned at the optically focused focal point of corresponding point collective optics 440.
Wherein, support 422 includes above-mentioned collective optics 440 of at least 2 rows, i.e. at least 2 groups of point collective optics groups 442 per side
（With reference to figure 8）.In embodiment illustrated in fig. 8, including 2 rows point collective optics 440, i.e. 2 groups of above-mentioned collective optics groups 442.It is above-mentioned
The side of support meanss 420, the point collective optics 440 adjacent with above-mentioned support 422 form above-mentioned row point collective optics, i.e., one group
Point collective optics group 442；A row point collective optics adjacent with above-mentioned one group of point collective optics group 442 forms another group of point optically focused
Element group（Figure is not marked）.
In other embodiments, above-mentioned quasi- slot type point Photospot solar also can be only in the side of support 422 using device 400
Above-mentioned collective optics of a row or multi-row is set.
Shown in Fig. 9, for embodiment illustrated in fig. 8 support side point collective optics arrangement top view.
It is embodiment illustrated in fig. 8 receiving port schematic diagram shown in Figure 10.
With reference to figure 9, above-mentioned every group of point collective optics group 442, adjacent point collective optics 440 staggers pre- spacing between every group
From L, accordingly, support is may be disposed at the above-mentioned adjacent 440 corresponding photoelectric conversion device 460 of point collective optics to stagger
In same receiving port 4222 on 422, the light-receiving mouth of the photoelectricity converter device 460 in above-mentioned same receiving port 4222 court respectively
To corresponding point collective optics 440, and it is located at the optically focused focal point of respective point collective optics 440 respectively（With reference to figure 10）.With reference to
Embodiment illustrated in fig. 8, by setting 2 row's point collective opticses 440 per side in support meanss 420, use the quasi- slot type point of said one
Photospot solar utilizes device 400, can complete the quasi- slot type point Photospot solar that two sides only set row's point collective optics
Utilize device 300（With reference to figure 7）Generated energy during cooperation, reduce quasi- slot type point Photospot solar using device 300
Manufacturing cost.
Specifically, above-mentioned preset distance L can set different values as needed.In the present embodiment, preset distance L is set
It is set to 10mm.
In other examples, the group number of point collective optics group 442 of the support 422 per side is may also set up, and is accordingly set
Put the number and corresponding direction and position relationship of the photoelectric conversion device 460 in receiving port 4222.If the group number set
More than 2, then point collective optics 440 adjacent between each group carries out Heterogeneous Permutation in one direction, to ensure in same reception
The photoelectric conversion device 460 corresponding to point collective optics 440 adjacent between above-mentioned each group can be accommodated in mouth 4222.
Shown in Figure 11, show for embodiment illustrated in fig. 8 point collective optics relative to the incidence angle of corresponding photoelectric conversion device
It is intended to.
In embodiment illustrated in fig. 8, point collective optics 440 is reflection type point collective optics.Jiao of above-mentioned collective optics 440
Away from for 0.8m-1.5m, each collective optics 440 of putting is less than 30 ° relative to the incidence angle of corresponding photoelectric conversion device 460.Its
In, above-mentioned incidence angle is the normal of each point collective optics 440 and the angle of corresponding incident light.With reference to figure 8, first row point gathers
Optical element 440 is α relative to the incidence angle in the view plane of corresponding photoelectric conversion device 460, second row point collective optics
440 relative to the incidence angle of corresponding photoelectric conversion device 460 be β, and wherein α, β angle are respectively less than 30 °, and roughly the same.
By setting the characteristic parameter of above-mentioned collective optics, include the focal length of a collective optics, and further set-point collective optics
Incident angle, can further improve the utilization rate of solar energy.Further, the focal length of above-mentioned collective optics is 1m, incident
Angle is respectively less than 20 °, and above-mentioned setting uses existing GaAs photovoltaic cell product（The light of existing three sections GaAs photovoltaic cell
Photoelectric transformation efficiency is about 40%）The practical efficiency that can reach solar energy is about 25%~30%, it is contemplated that GaAs is multistage in theory
The efficiency of photovoltaic cell more than 50%, then the actual power efficiency future of the system be expected to close to 40%.
Specifically, with reference to figure 8, above-mentioned reflection type point collective optics is parabolic mirror.Above-mentioned parabolic mirror
Light-receiving area is 0.2m2-0.75m2, parabolic mirror photoelectric conversion device 460 light-receiving mouth row into launching spot area
Less than 35mm*35mm, the area ratio of light-receiving area and launching spot is more than 250.Above-mentioned parameter is set, and ensure that an optically focused enters
Penetrate the incident intensity of hot spot, make luminous energy be converted to electric energy conversion efficiency it is higher.Specifically, the light of above-mentioned parabolic mirror
Area is 0.4m2, the ratio between the focal length of above-mentioned parabolic mirror and the square root of light-receiving area are more than 1.2 and less than 3.Specifically
, above-mentioned ratio is 1.5.By setting above-mentioned ratio, can make to reach entering for photoelectric conversion device 460 by parabolic mirror
Penetrate that the area of hot spot is smaller, and light intensity is more concentrated, meet the optimal operating range of high power condensation photovoltaic battery.
It is embodiment illustrated in fig. 8 photoelectric conversion device schematic diagram shown in Figure 12.
It is photoelectric conversion device schematic diagram in another embodiment shown in Figure 13.
With reference to figure 12, Figure 13, photoelectric conversion device 460 includes multiple photovoltaic cells 462, multiple in embodiment illustrated in fig. 8
Heat-conduction circuit board 464, multiple conducting strips 466, radiator 468, shell（It is not shown）And installing plate 469.
Wherein, above-mentioned multiple photovoltaic cells 462 are respectively arranged on corresponding heat-conduction circuit board 464, for that will put optically focused member
The sunshine that part 440 is launched is converted to electric energy, and heat-conduction circuit board 464 is used to fix above-mentioned photovoltaic cell 462, and conducts photovoltaic electric
Pond 462 works caused heat energy；Multiple conducting strips 466, it is respectively arranged on above-mentioned heat-conduction circuit board 464, and respectively in connection
Photovoltaic cell 462 is stated, for exporting electric energy caused by photovoltaic cell 462 to external circuit；Radiator 468, connected by heat pipe 467
Above-mentioned heat-conduction circuit board 464 is connect, is worked caused heat energy for exporting photovoltaic cell 462；Shell, for accommodating above-mentioned heat conduction
Circuit board 464, photovoltaic cell 462, conducting strip 466, radiator 468, installing plate 469 and heat pipe 467, and it is provided with light-receiving mouth, light
The sunshine that volt battery 462 is converged by above-mentioned light-receiving mouth receiving point collective optics 440.Wherein, installing plate 469 is used to carry
State multiple photovoltaic cells 462, multiple heat-conduction circuit boards 464, multiple conducting strips 466 etc..
Specifically, above-mentioned radiator 468 and heat pipe 467 form heat abstractor（Figure is not marked）, conducting strip 466 forms conductive knot
Structure（Figure is not marked）, the composition supporting mechanism of installing plate 469（Figure is not marked）.By the characteristic parameter of set-point collective optics 440 and
The supplemental characteristic of corresponding photoelectric conversion device 460, heat abstractor, conductive structure, supporting construction etc., further increases the sun
The utilization rate of energy, reduces manufacturing cost and maintenance cost.
The sunshine that above-mentioned multiple photovoltaic cells 462 are converged by above-mentioned light-receiving mouth receiving point collective optics 440, and will connect
The energy conversion of the launching spot received is electric energy, and by the conducting strip 466 of each photovoltaic cell 462 of above-mentioned connection to outside
Circuit（It is not shown）Electric energy caused by each photovoltaic cell 462 is exported respectively；Above-mentioned photovoltaic cell 462 can not be by the light of whole
Electric energy can be converted into, while above-mentioned photovoltaic cell 462 converts light energy into electric energy, a part can not be by photovoltaic cell 462
The luminous energy of conversion becomes heat energy, and above-mentioned heat-conduction circuit board 464 conducts above-mentioned multiple photovoltaic cells 462 and worked caused heat energy,
And above-mentioned heat energy is exported by radiator 468.Above-mentioned radiator is provided with coolant inlet 4682 and cooling liquid outlet 4684, respectively
Connect low temperature heat exchanger 212 and carry out step radiating.
Specifically, above-mentioned coolant inlet 4682 and cooling liquid outlet 4684 pass through the above-mentioned low-temperature heat exchange of pipeline connection respectively
The cooling liquid outlet f and coolant inlet e of device 212.Further, above-mentioned coolant inlet 4682 passes through in the connection of pump 206
State cooling liquid outlet f.Specifically, above-mentioned pipeline is the pipeline for being coated with insulation material, when preventing that above-mentioned anti-freeze cooling liquid from circulating
The temperature of anti-freeze cooling liquid is influenceed by ambient temperature.
Specifically, above-mentioned photovoltaic cell 462 is multi-junction gallium arsenide photovoltaic cell.The quantity of above-mentioned photovoltaic cell 462 is 4
Individual, each photovoltaic cell 462 is arranged on independent heat-conduction circuit board 464, and each heat-conduction circuit board 464 is arranged in square matrix
Row, form photovoltaic cell group（Figure is not marked）.Wherein, diagonally arranged photovoltaic cell 462 is parallel with one another and connects protection circuit（Figure
Do not show）, 462 groups of the parallel photovoltaic battery of two groups of diagonal positions is serially connected；Or above-mentioned 4 photovoltaic cells 462 are parallel with one another
And share a protection circuit.Also, in above-mentioned quasi- slot type point Photospot solar utilizes device 400, different point optically focused member
It is serially connected between 462 groups of the photovoltaic cell of photoelectric conversion device 460 corresponding to part 440 so that each collective optics 440 exports
Voltage is added, and electric current is equal, can need not so increase sectional area of wire, transmits more electric energy.Because each optically focused member
The area equation of part 440, each efficiency of photovoltaic cell 462 is equal, so, the photovoltaic cell group institute corresponding to each collective optics 440
Caused ideal current is equal, meets series connection condition；It is it is demonstrated experimentally that diagonal in 4 photovoltaic cells 462 under same collective optics
The electric current sum of photovoltaic cell 462 and another diagonal photovoltaic cell 462 electric current sum very close to meeting series connection condition, such as
The different diagonal photovoltaic cells 462 of two groups of fruit are connected, can be one times by voltage increase, and electric current declines one times, so as to reduce pair
The requirement of sectional area of wire, has saved wire, reduces the loss on wire.
In photovoltaic cell group in above-mentioned each photoelectric conversion device 460, each photovoltaic cell 462 is arranged in independent lead
On heater circuit plate 464, when one of photovoltaic cell 462 breaks down, it is not necessary to whole photovoltaic cell group is changed,
Only need the photovoltaic cell 462 to break down removing replacing, have no effect on the normal work of other photovoltaic cells 462,
Facilitate quasi- slot type point Photospot solar and utilize the lasting use of device 400, and improve quasi- slot type point Photospot solar and utilize
The service life of device 400.
In other examples, each photovoltaic cell 462 in above-mentioned photovoltaic cell group can also be serially connected.
Specifically, above-mentioned each photovoltaic cell 462 is more than or equal to 9mm*9mm by optical range.When above-mentioned photovoltaic cell 462
When quantity is four, the overall smooth surface of above-mentioned photovoltaic cell group is slightly less than 40mm*40mm, further, is slightly less than 38mm*
38mm.Also, parabolic mirror is less than 35mm*35mm in the launching spot area that the light-receiving mouth of photoelectric conversion device is formed,
Make launching spot energy stronger, realize that above-mentioned launching spot can completely fall in the smooth surface of 462 groups of photovoltaic cell, ensure
Convert solar energy into electrical energy as far as possible.In another embodiment, above-mentioned each photovoltaic cell 462 is by optical range
10mm*10mm。
Specifically, the width of the light-receiving mouth on above-mentioned shell is more than 60mm, the smooth surface of 462 groups of photovoltaic cell can be ensured
Complete exposure, and ensure that launching spot is completely fallen into the range of the light of above-mentioned 462 groups of photovoltaic cell.
Further, secondary condenser 465, above-mentioned secondary condenser are also included with reference to figure 13, above-mentioned photoelectric conversion device
465 include light input end（Figure is not marked）And light output end（Figure is not marked）, light input end drawn close to light output end is intensive in rectangular,
Light output end optics connects photovoltaic cell 462.The light input end of above-mentioned secondary condenser 465 receives the sun injected from light-receiving mouth
Light, and secondary condensation is carried out, the sunshine after secondary condensation is injected above-mentioned photovoltaic cell group by light output end.
The sunshine of above-mentioned collective optics reflection is simultaneously uneven, by using secondary condenser, by above-mentioned optically focused member
The uneven sunshine of part transmitting carries out further optically focused processing, makes the smaller light intensity of launching spot of injection stronger, makes injection
The launching spot of above-mentioned 462 groups of photovoltaic cell is relatively uniform, improves the sunshine that unit area photovoltaic cell 462 is received
Intensity, further to improve the utilization rate of solar energy.Specifically, above-mentioned secondary condenser is transmission-type secondary condensation prism, or
Reflective secondary condensation cup.
Above-mentioned quasi- slot type point Photospot solar is positioned on solar tracking instrument when being applied using device, by solar tracking instrument from motion tracking too
Positive position, quasi- slot type point Photospot solar is set to be maintained at certain angle model using the point collective optics of device and the angle of sunshine
Enclose interior constant, or keep quasi- slot type point Photospot solar to be right against the sun using the point collective optics of device.Specifically, the sun is real
The angle of border incident ray and ideal incident rays is δ, also, | δ |≤0.5 °.
Above-mentioned dimension chain, including the size of the focal length of parabolic mirror, smooth surface, incidence angle, launching spot, photovoltaic electric
The smooth surface in pond 462 etc., takes into account the limitation for balancing secondary condenser 465 to incident angle of light, and solar tracking instrument control error causes
The influence rocked in light area of hot spot, 462 preferable light reception intensity of photovoltaic cell, photovoltaic cell 462 to extreme light not
The tolerance scope limitation of light reception intensity when uniformly, limitation of the conductor cross-section size to current strength, wire hardness is to electricity
The influence of road plate, series boosting restrictive condition, realize that electric current exports photovoltaic cell 462 one by one, the bulk of radiator 468 and cloth
Put, the heat conductivility of radiator 468, photovoltaic cell 462 is independent to be changed, and puts the machining accuracy allowed band of collective optics 440, and point is poly-
The property easy for installation of optical element 440, the convenience that point collective optics 440 cleans, influence of the blast to solar tracking instrument, the cost of system are use up
Measure the problems such as cheap.
Further, above-mentioned concentration photo-thermal receiver 202 can equally be defined slot light collection photo-thermal receiver, above-mentioned quasi- groove
Formula concentration photo-thermal receiver uses identical supporting construction with above-mentioned quasi- slot light collection photovoltaic receiver, will simply put collective optics
The photoelectric conversion device 460 set at the facula position of 440 convergences replaces with photothermal deformation receiver.In another embodiment,
Photothermal deformation receiver is as shown in Figure 6.Concentration photovoltaic receiver 208 and concentration photo-thermal receiver 202 can use same size
Point collective optics 440 and supporting construction, can be in optically focused because concentration photo-thermal receiver is not high to collective optics required precision
It the use of relative to concentration photovoltaic receiver 208 is the exceeded collective optics of error on photo-thermal receiver 202 so that collective optics
440 percent defective levels off to 0, so as to further reduce system cost.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of solar energy composite utilizes system, it is characterised in that including：
Photovoltaic, solar-thermal generating system, for converting solar energy into heat energy by concentration photo-thermal receiver, pass through optically focused
Photovoltaic receiver converts solar energy into electrical energy and heat energy caused by gathering concentration photovoltaic receiver radiating, passes through Rankine
Heat energy caused by heat energy caused by the concentration photo-thermal receiver and concentration photovoltaic receiver radiating is converted into by circulation
Kinetic energy；The concentration photovoltaic receiver is defined slot type point condensation photovoltaic reception device；The quasi- slot type point condensation photovoltaic receives dress
Put including support meanss, multiple collective opticses and multiple photoelectric conversion devices；The support meanss include support and base, institute
State base and be symmetrically distributed in the support both sides；The multiple collective optics is symmetrically distributed in the base of the support both sides
On, quasi- slot type structure is formed, for receiving and converging sunshine；The multiple photoelectric conversion device, positioned at the support and institute
State the relative one end of base, the photoelectric conversion device it is equal with described collective optics quantity and with described collective optics one
One correspondence, the light-receiving mouth of the photoelectric conversion device towards corresponding point collective optics and are located at corresponding point collective optics
Optically focused focal point；For the sunshine of described collective optics convergence to be converted into electric energy；
The heat pump and user's heat-exchanger rig of interconnection, the heat pump connect the photovoltaic, photo-thermal power generation
System, for completing kind of refrigeration cycle or heating circulation by the kinetic energy or electric energy, and with reference to user's heat-exchanger rig.
2. solar energy composite according to claim 1 utilizes system, it is characterised in that the photovoltaic, photo-thermal hair
Electric system includes：
The concentration photo-thermal receiver, for converting solar energy into heat energy；
High temperature heat storage and exchange device, the concentration photo-thermal receiver is connected, produced for storing the concentration photo-thermal receiver
Heat energy and conducted；
The concentration photovoltaic receiver, for converting solar energy into electrical energy；
Low temperature heat exchanger, the concentration photovoltaic receiver is connected, produced for gathering when the concentration photovoltaic receiver radiates
Heat energy and conducted；
The expanding machine and cooling device of interconnection, the expanding machine and cooling device are respectively by described in pump and pipeline connection
High temperature heat storage and exchange device and low temperature heat exchanger；The low temperature heat exchanger, high temperature heat storage and exchange device, expanding machine,
Cooling device and pump form Rankine cycle circuit, the conversion of heat into kinetic energy in the Rankine cycle circuit；
DC-to-AC converter, connect the concentration photovoltaic receiver；The concentration photovoltaic receiver is defeated by the DC-to-AC converter
Go out alternating current；
The DC-to-AC converter or the expanding machine connect the heat pump respectively, for providing electric energy for the heat pump
Or kinetic energy.
3. solar energy composite according to claim 2 utilizes system, it is characterised in that the photovoltaic, photo-thermal hair
Electric system also includes motor, and the motor connects the expanding machine, for the kinetic energy to be converted into electric energy；
The motor connects the heat pump, for providing electric energy for heat pump.
4. solar energy composite according to claim 2 utilizes system, it is characterised in that the high temperature heat storage and exchange device
Including：
High temperature fluid reservoir, the high temperature fluid reservoir are full of fuse salt heat accumulation agent；
3rd heat exchanger, it is placed in the high temperature fluid reservoir, including the 3rd working medium entrances and the 3rd sender property outlet, the described 3rd
Working medium entrances connect the concentration photo-thermal receiver by pipeline respectively with the 3rd sender property outlet；Wherein, the pipeline is thermally coupled
The light cavity of the concentration photo-thermal receiver；
4th heat exchanger, it is placed in the high temperature fluid reservoir, including the 4th working medium entrances and the 4th sender property outlet, the described 4th
Working medium entrances and the 4th sender property outlet pass through low temperature heat exchanger described in pipeline connection and the expanding machine respectively.
5. solar energy composite according to claim 2 utilizes system, it is characterised in that the low temperature heat exchanger includes：
Low temperature liquid storage heat exchange tank, filled with anti-freeze cooling liquid, and it is provided with coolant inlet and cooling liquid outlet, the coolant inlet
Pass through the radiator of concentration photovoltaic receiver described in pipeline connection respectively with cooling liquid outlet；The concentration photovoltaic receiver radiating
Anti-freeze cooling liquid described in caused energy heats, heated anti-freeze cooling liquid enter low temperature liquid storage heat exchange tank storage and changed
Heat, the anti-freeze cooling liquid by heat exchange cooling are re-circulated to the concentration photovoltaic receiver and form heat-radiation loop；
5th heat exchanger, it is placed in the low temperature liquid storage heat exchange tank, including the 5th working medium entrances and the 5th sender property outlet, described
Five working medium entrances and the 5th sender property outlet pass through cooling device described in pipeline connection and high temperature heat storage and exchange device respectively；For
Give thermal energy conduction caused by concentration photovoltaic receiver radiating to the high temperature heat storage and exchange device.
6. solar energy composite according to claim 1 utilizes system, it is characterised in that the concentration photo-thermal receiver is defined
Slot type point concentration photo-thermal reception device.
7. solar energy composite according to claim 1 utilizes system, it is characterised in that the heat pump includes compression
Machine, reversal valve and the First Heat Exchanger of connection, expansion valve and the second heat exchanger；
The compressor, the photovoltaic, solar-thermal generating system are connected, for passing through the kinetic energy or electric energy compression refrigeration
Agent；
The reversal valve, provided with first end, the second end, the 3rd end and the 4th end, the first end, the second end are respectively communicated with described
The input and output end of compressor；3rd end connects the First Heat Exchanger；The 4th end connection described second is changed
Hot device；User's heat-exchanger rig connects second heat exchanger by pipeline；
When the first end connects with the 3rd end, second end connects with the 4th end, and the heat pump is with reference to the user
Heat-exchanger rig completes the heating circulation；When second end connects with the 3rd end, the first end connects with the 4th end, described
Heat pump completes the kind of refrigeration cycle with reference to user's heat-exchanger rig.
8. solar energy composite according to claim 7 utilizes system, it is characterised in that the First Heat Exchanger changes for ground source
Hot device.
9. solar energy composite according to claim 7 utilizes system, it is characterised in that second heat exchanger changes for water storage
Hot device or ice storage heat exchanger.
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| CN109059318B (en) * | 2018-09-03 | 2023-07-21 | 中国科学院工程热物理研究所 | Spray type packed bed heat storage system and operation method thereof |
| CN115996016B (en) * | 2023-03-22 | 2023-06-13 | 赫里欧新能源有限公司 | Charging and power generation integrated energy storage management system and method based on BIPV |
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| CN203050818U (en) * | 2012-10-29 | 2013-07-10 | 昆明理工大学 | Photovoltaic and organic Rankine cycle coupling CHP (Combined Heat and Power) system |
| CN203809222U (en) * | 2014-03-10 | 2014-09-03 | 容云 | Solar comprehensive utilization system |
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