CN105024629B - A kind of cogeneration system of individual reflection compound parabolic concentrator optically focused and using method - Google Patents
A kind of cogeneration system of individual reflection compound parabolic concentrator optically focused and using method Download PDFInfo
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- CN105024629B CN105024629B CN201510464322.6A CN201510464322A CN105024629B CN 105024629 B CN105024629 B CN 105024629B CN 201510464322 A CN201510464322 A CN 201510464322A CN 105024629 B CN105024629 B CN 105024629B
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Abstract
A kind of cogeneration system of individual reflection compound parabolic concentrator optically focused and using method, including concentrating photovoltaic photo-thermal cell array, tracking cell, electric recovery unit, heat recovery units and control and monitoring means；Direct sunlight parallel to the axis of individual reflection compound parabolic concentrator carries out after individual reflection by individual reflection compound parabolic concentrator, sequentially pass through ultra-clear glasses cover plate and upper strata EVA from top to bottom, converge to crystal silicon photovoltaic cell, crystal silicon photovoltaic cell produces electric energy and heat energy, electric energy is by cable and after photovoltaic DC-to-AC converter modulation, it is connected to the grid or off-network uses or stores, heat energy is flowed through the absorption of fluids of radiating square tube and derives storage or use.The present invention adopts individual reflection compound parabolic concentrator more shorter than conventional composite paraboloid condenser and traditional truncate compound parabolic concentrator, and cost is lower, while can producing high-grade electric energy, is provided that heat energy, cost performance is high again.
Description
Technical field
The invention belongs to concentrating photovoltaic photo-thermal comprehensive utilizating research field, it is related to a kind of poly- using compound parabolic concentrator
The collection thermoelectric coproduction device of light and in particular to a kind of cogeneration system of individual reflection compound parabolic concentrator optically focused and
Using method.
Background technology
For the condenser of photovoltaic and photothermal comprehensive utilization, mainly take slot type, dish-style, sphere optically focused and Fresnel at present
Light condensing technology, these light condensing technology all can not utilize diffusion light of the sun；For slot type, dish-style and sphere condenser, due to him
Focusing surface on the upside of mirror surface, be arranged on the photovoltaic cell component of focal plane or heat collector by shield portions incidence too
Sunlight, thus reducing the utilization rate of solar energy, in addition, photovoltaic cell component or heat collector are vacantly on the upside of mirror surface, cooling
System installs inconvenience, and not, wind loading rating is poor for the rigidity of concentrating photovoltaic photo-thermal overall system architecture.Traditional composite parabolic
Although condenser can solve the problem that the relevant issues of the condensers such as above-mentioned slot type, butterfly, sphere optically focused and Fresnel optically focused, pass
The compound parabolic concentrator of system there is also some problems in itself, and such as, sunlight reflects in conventional composite paraboloid condenser
The situation of multiple reflections is existed on mirror body；Conventional composite paraboloid condenser parabolic reflector mirror body materials are relatively excessive, especially
The increase reflector body consumption being as geometric concentrating ratio sharply increases；Photovoltaic cell component or heat collector are arranged on optically focused light
The problems such as lead to thermoelectricity output performance to reduce at the not uniform light-emitting window of speckle；In addition, being directed to conventional composite paraboloid condenser
The relatively excessive situation of reflector body materials, the tradition employing amputation conventional composite paraboloid condenser 1/3～1/2 height is cut
Short method is although traditional truncation method decreases the materials of compound parabolic concentrator parabolic reflector mirror body, but traditional truncation method
It is to carry out truncate on the basis of the conventional composite paraboloid condenser of design requirement geometric concentrating ratio, which results in design requirement
The reduction of geometric concentrating ratio, therefore reduces the light gathering efficiency of compound parabolic concentrator after truncate, moreover traditional truncation method is simultaneously
Do not eliminate the multiple reflections situation in reflector body；The compound parabolic concentrator that traditional truncation method obtains still suffers from photovoltaic electric
Pond assembly or heat collector are arranged at the not uniform light-emitting window of optically focused hot spot and then lead to the problem of thermoelectricity output performance reduction.
Foregoing problems seriously restrict and reduce compound parabolic concentrator and the cost performance of corresponding collection thermoelectric coproduction device, are unfavorable for producing
Industryization develops.
Content of the invention
Present invention aim at providing a kind of cogeneration system of individual reflection compound parabolic concentrator optically focused and making
With method, while high-grade electric energy being produced, it is provided that heat energy, cost performance is high again.
For achieving the above object, the technical solution used in the present invention is：
A kind of cogeneration system of individual reflection compound parabolic concentrator optically focused, including concentrating photovoltaic photo-thermal unit battle array
Row, tracking cell, electric recovery unit, heat recovery units and control and monitoring means；
Described concentrating photovoltaic photo-thermal cell array includes some concentrating photovoltaic photo-thermal units, and concentrating photovoltaic photo-thermal unit includes
Condenser, condenser is individual reflection compound parabolic concentrator, in the lower section of individual reflection compound parabolic concentrator, from upper
To under set gradually reflector, ultra-clear glasses cover plate, upper strata EVA, crystal silicon photovoltaic cell, middle level EVA, TPT, lower floor EVA, dissipate
Hot square tube and insulation material；
Described tracking cell includes optical pickocff, inclinometer and solar radiation table；
The crystal silicon photovoltaic cell that described electricity recovery unit is included photovoltaic DC-to-AC converter and is connected with photovoltaic DC-to-AC converter；
Described heat recovery units include hot fluid case and cold fluid tank, and cold fluid tank is through variable frequency pump, cold fluid hose, radiating side
Pipe, hot fluid pipe, effusion meter, electric control valve are connected with hot fluid case；
Described control includes the outdoor control module for data acquisition and control signal output and use with monitoring means
In data display, analysis and the Indoor Video module storing, outdoor control module is connected with Indoor Video module, variable frequency pump, stream
Gauge, electric control valve, photovoltaic DC-to-AC converter, optical pickocff, inclinometer, solar radiation table are all connected with outdoor control module.
Described tracking cell also includes base, and base is provided with support, concentrating photovoltaic photo-thermal cell array, optical sensing
Device, inclinometer and solar radiation table are arranged on support.
Described support is the support that can adjust direction, and support is connected with outdoor control module.
Described outdoor control module is arranged on base；Crystal silicon photovoltaic cell is laminated to above radiating square tube；Described light
Volt inverter is connected to the grid by cable, or accesses off-grid system by cable or carry out electric power storage.
Be provided with cooling fluid temperature sensor between described cold fluid tank and variable frequency pump, electric control valve and hot fluid case it
Between be provided with hot fluid temperature sensor, cooling fluid temperature sensor, hot fluid temperature sensor all with outdoor control module phase
Even.
The incidence hole width of described individual reflection compound parabolic concentrator and the ratio of light hole width are geometry optically focused
Than.
The optimal caustic surface of described individual reflection compound parabolic concentrator and the distance of light hole are L, and L is light hole width
Degree and the product of single compound parabolic concentrator daylighting half-angle tangent value；The sensitive surface of crystal silicon photovoltaic cell is arranged on most preferably
On caustic surface.
Two reflectors are installed below the light hole of described individual reflection compound parabolic concentrator, reflector reflective
Minute surface is equal to light hole width, reflector towards the axis of individual reflection compound parabolic concentrator, the distance of two reflectors
Length is equal to optimal caustic surface and the distance between light hole L.
Described crystal silicon photovoltaic cell adopts monocrystalline Silicon photrouics or polysilicon photovoltaic cells；Described heat recovery units
Heat eliminating medium be water or nano-fluid.
A kind of using method of the cogeneration system of individual reflection compound parabolic concentrator optically focused, anti-parallel to single
The direct sunlight penetrating the axis of compound parabolic concentrator carries out individual reflection by individual reflection compound parabolic concentrator
Afterwards, sequentially pass through ultra-clear glasses cover plate and upper strata EVA from top to bottom, converge to crystal silicon photovoltaic cell, crystal silicon photovoltaic cell
Produce electric energy and heat energy, electric energy, by cable and after photovoltaic DC-to-AC converter modulation, is connected to the grid or off-network uses or stores up
Deposit, heat energy is flowed through the absorption of fluids of radiating square tube and derives storage or use.
Compared with prior art, the present invention has the advantages that：
1st, the individual reflection compound parabolic concentrator that the present invention adopts leads to the parabolic producing multiple reflections anti-by amputation
Penetrate mirror body to be formed, direct sunlight, through individual reflection compound parabolic concentrator optically focused, only occurs individual reflection, relatively exists
The conventional composite paraboloid condenser of multiple reflections and traditional truncate compound parabolic concentrator, the single that the present invention adopts is anti-
Penetrate compound parabolic concentrator light gathering efficiency higher.
2nd, the present invention is gathered using the geometry that the geometric concentrating ratio of single compound parabolic concentrator meets design requirement all the time
Light ratio, solves the problems, such as that traditional truncate compound parabolic concentrator light gathering efficiency reduces.Because traditional truncation method passes through amputation
Conventional composite paraboloid condenser 1/3～1/2 height of design requirement geometric concentrating ratio obtains, and the truncate of such tradition is combined throws
The geometric concentrating ratio of object plane condenser is less than design requirement geometric concentrating ratio, thus leading to traditional truncate compound parabolic concentrator
Light gathering efficiency reduce, with the increase of design requirement geometric concentrating ratio, the optically focused effect of traditional truncate compound parabolic concentrator
Rate reduces bigger.
3rd, the present invention adopts individual reflection compound parabolic concentrator to cut than conventional composite paraboloid condenser and tradition
Short compound parabolic concentrator is shorter, and cost is lower.Such as, in the range of design geometric concentrating ratio is for 2～10, relatively conventional multiple
Close paraboloid condenser, individual reflection compound parabolic concentrator reflector body can reduce by 41.8%～64.4% materials；Phase
To traditional 1/2 truncate compound parabolic concentrator, individual reflection compound parabolic concentrator reflector body can reduce 3.6%～
40.8% materials.Therefore, the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused that the present invention provides
Cost is lower, and cost performance is high.
4th, the present invention arranges reflector below individual reflection compound parabolic concentrator light hole, advantageously ensures that the sun
Scattered light also converges to optimal caustic surface；Because foozle or tracking error are so that fraction optically focused light spot edge is possible to
Deviate crystal silicon photovoltaic cell sensitive surface, the optically focused hot spot being provided with beneficial to will deviate from part of reflector reflexes to crystalline silicon light
On volt battery, thus improving solar energy utilization ratio.
Further, the present invention using traditional laminating technology, crystal silicon photovoltaic cell is laminated in radiating square tube, not
On the premise of increasing manufacturing cost, the thermal resistance that can be very good to control and reduce between crystal silicon photovoltaic cell and radiating square tube is entered
And ensureing and lifted its overall heat-transfer coefficient, electrical insulating property is good, good weatherability, and cost performance is high.
Further, outdoor control module according to follow the tracks of optical pickocff provide analogue signal adjustment adjustable support thus
Realize the collection thermoelectric coproduction device tracking sun.
Further, crystal silicon photovoltaic cell is arranged on the most preferably poly- of individual reflection compound parabolic concentrator by the present invention
Bright finish, so that more uniform optically focused hot spot is irradiated on crystal silicon photovoltaic cell, reduces crystalline silicon photovoltaic internal resistance consumption
Dissipate and then increased crystal silicon photovoltaic cell electricity production, meanwhile, uniform optically focused hot spot is conducive to radiate square tube and crystalline silicon light
Between volt battery, thermal resistance design and overall overall heat-transfer coefficient design, are conducive to improving heat dispersion and then obtaining more heat production
Amount.It is arranged at condenser light hole accordingly, with respect to by crystal silicon photovoltaic cell, crystal silicon photovoltaic cell is arranged on by the present invention
Optimal caustic surface, thermoelectricity yield is higher.
The photothermal cogeneration device of the present invention use when, parallel to individual reflection compound parabolic concentrator axis too
Positive direct light, after individual reflection compound parabolic concentrator carries out individual reflection, sequentially passes through ultra-clear glasses lid from top to bottom
Plate and upper strata EVA, converge to crystal silicon photovoltaic cell, and crystal silicon photovoltaic cell produces electric energy and heat energy, and electric energy passes through cable simultaneously
After photovoltaic DC-to-AC converter modulation, it is connected to the grid or off-network uses or stores, heat energy is inhaled by the fluid flowing through radiating square tube
Receive and derive storage or use, while high-grade electric energy being produced, be provided that heat energy, cost performance is high again.
Brief description
Fig. 1 is the sectional structure chart of the present invention single concentrating photovoltaic photo-thermal unit.
Fig. 2 is the overall construction drawing of the collection thermoelectric coproduction device of the present invention.
Wherein：1 is the parabolic reflector mirror body leading to produce multiple reflections, and 2 is individual reflection compound parabolic concentrator,
3 is reflector, and 4 is direct sunlight, and 5 is axis, and 6 is incidence hole, and 7 is light hole, and 8 is ultra-clear glasses cover plate, and 9 is upper strata
EVA, 10 is crystal silicon photovoltaic cell, and 11 is middle level EVA, and 12 is TPT, and 13 is lower floor EVA, and 14 is radiating square tube, and 15 is insulation
Material, 16 is cold fluid tank, and 17 is cooling fluid temperature sensor, and 18 is variable frequency pump, and 19 is cold fluid hose, and 20 is outdoor observing and controlling mould
Block, 21 is adjustable support, and 22 is base, and 23 is hot fluid pipe, and 24 is effusion meter, and 25 is electric control valve, and 26 is hot-fluid body temperature
Degree sensor, 27 is hot fluid case, and 28 is photovoltaic DC-to-AC converter, and 29 is cable, and 30 is optical pickocff, and 31 is inclinometer, and 32 are
Solar radiation table, 33 is Indoor Video module, and 34 is holding wire.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.Nano-fluid in the present invention is silica nanometer stream
Body；Insulation material in the present invention is the material with heat insulation function.Indoor Video module 33 is computer.
Reference Fig. 1 and Fig. 2, a kind of cogeneration system of individual reflection compound parabolic concentrator optically focused of the present invention,
Including concentrating photovoltaic photo-thermal cell array, tracking cell, electric recovery unit, heat recovery units and control and monitoring means, its
In, single concentration photo-thermal unit arrangement shown in 12 Fig. 1 for concentrating photovoltaic photo-thermal cell array shown in Fig. 2 forms.
Described concentrating photovoltaic photo-thermal cell array includes some concentrating photovoltaic photo-thermal units, and concentrating photovoltaic photo-thermal unit includes
Condenser, condenser is individual reflection compound parabolic concentrator 2, and individual reflection compound parabolic concentrator 2 is led to by amputation
The parabolic reflective mirror body 1 producing multiple reflections is formed；In the lower section of individual reflection compound parabolic concentrator 2, from top to bottom according to
Secondary setting reflector 3, ultra-clear glasses cover plate 8, upper strata EVA9, crystal silicon photovoltaic cell 10, middle level EVA11, TPT12, lower floor
EVA13, radiating square tube 14 and insulation material 15；The radiating square tube 14 of concentrating photovoltaic photo-thermal cell array can be according to actual needs
Using series, parallel and go here and there and mix connection, the crystal silicon photovoltaic cell 10 of concentrating photovoltaic photo-thermal cell array can be according to reality
Border needs using series, parallel and goes here and there and mix connection.
Described tracking cell includes base 22, base is provided with adjust the support 21 in direction, concentrating photovoltaic photo-thermal
Cell array, optical pickocff 30, inclinometer 31 and solar radiation table 32 are respectively provided with the stent 21.
Described electricity recovery unit includes photovoltaic DC-to-AC converter 28 and crystal silicon photovoltaic cell 10, and crystal silicon photovoltaic cell 10 is laminated
To above radiating square tube 14；Crystal silicon photovoltaic cell 10 is connected with photovoltaic DC-to-AC converter 28 by cable 29；Described photovoltaic DC-to-AC converter
28 are connected to the grid by cable 29, or access off-grid system by cable 29 or carry out electric power storage.
Described heat recovery units include hot fluid case 27 and cold fluid tank 16, and cold fluid tank 16 provides cold flow body as radiating
Medium, cold fluid tank 16 is through cooling fluid temperature sensor 17, variable frequency pump 18, cold fluid hose 19, radiating square tube 14, hot fluid pipe
23rd, effusion meter 24, electric control valve 25, hot fluid temperature sensor 26 are connected with hot fluid case 27；
Described control with monitoring means include for the output of data acquisition and control signal outdoor control module 20 and
For data display, analysis and the Indoor Video module 33 storing, outdoor control module 20 passes through holding wire 34 and Indoor Video
Module 33 connects, cooling fluid temperature sensor 17, variable frequency pump 18, effusion meter 24, electric control valve 25, hot fluid temperature sensor
26th, photovoltaic DC-to-AC converter 28, optical pickocff 30, inclinometer 31, solar radiation table 32 are all by holding wire 34 and outdoor observing and controlling mould
Block 20 is connected.Outdoor control module 20 is arranged on base 22, and outdoor control module 20 is connected with support 21, outdoor control module
The 20 analogue signal adjustment supports 21 being provided according to optical pickocff, follow the tracks of elevation angle and the deflection of the sun, thus realizing poly-
Light cogeneration system follows the tracks of the sun.
Incidence hole 6 width of described individual reflection compound parabolic concentrator 2 and the ratio of light hole 7 width are to meet to set
The geometric concentrating ratio that meter requires.
The optimal caustic surface of described individual reflection compound parabolic concentrator 2 and the distance of light hole 7 are L, and L is light hole
7 width and the product of single compound parabolic concentrator 2 daylighting half-angle tangent value；The sensitive surface of crystal silicon photovoltaic cell 10 is installed
On optimal caustic surface.
Two reflectors 3 are installed below the light hole 7 of described individual reflection compound parabolic concentrator 2, reflector 3
Reflective mirror is arranged on the both sides of light hole 7, both sides towards the axis 5 of individual reflection compound parabolic concentrator 2, reflector 3
The distance between reflector 3 be equal to light hole 7 width, reflector 3 length be equal between optimal caustic surface and light hole 7 away from
From L, L is the product of light hole 7 width and single compound parabolic concentrator 2 daylighting half-angle tangent value.
Described crystal silicon photovoltaic cell 10 adopts monocrystalline Silicon photrouics or polysilicon photovoltaic cells；Described recuperation of heat list
The heat eliminating medium of unit is water or nano-fluid.
The using method of the present invention is：Direct sunlight parallel to the axis 5 of individual reflection compound parabolic concentrator 2
4 after individual reflection compound parabolic concentrator 2 carries out individual reflection, sequentially pass through from top to bottom ultra-clear glasses cover plate 8 with
Upper strata EVA9, converges crystalline substance and arrives body Silicon photrouics 10, arrange reflector at individual reflection compound parabolic concentrator light hole, brilliant
Body Silicon photrouics are arranged on the optimal caustic surface for L with a distance from individual reflection compound parabolic concentrator light hole, crystal
Silicon photrouics are subject to the irradiation of optically focused hot spot to produce electric energy and heat energy, and electric energy passes through cable 29 and modulates through photovoltaic DC-to-AC converter 28
Afterwards, it is connected to the grid or off-network uses or stores, heat energy is flowed through the absorption of fluids of radiating square tube 14 and derives storage or make
With.
The work process of the present invention is：Direct sunlight parallel to the axis 5 of individual reflection compound parabolic concentrator 2
4 after individual reflection compound parabolic concentrator 2 carries out individual reflection, sequentially pass through from top to bottom ultra-clear glasses cover plate 8 with
Upper strata EVA9 (EVA is ethylene-vinyl acetate copolymer), reaches crystal silicon photovoltaic cell 10 and produces electric energy and heat energy, electric energy
By cable 29 and after photovoltaic DC-to-AC converter 28 modulation, accessible electrical network is it is also possible to access off-grid system or storage；Heat energy is certainly
Upper and under sequentially pass through middle level EVA11, TPT12 (TPT is polyvinyl fluoride composite membrane), lower floor EVA13, radiating square tube 14, by flowing
Absorption of fluids through the square tube 14 that radiates, fluid introduces cold fluid hose 19 by cold fluid tank 16 through variable frequency pump 18, in radiating square tube 14
After middle absorption heat energy, import through superheated fluid pipe 23 and be stored in hot fluid case 27；
Outdoor control module 20 passes through to gather the signal that union optical pickocff 30 provides, and output control signal adjustment can
Adjust support 21, realize direct sunlight 4 and carry out optically focused parallel to axis 5 entrance individual reflection compound parabolic concentrator 2, that is, complete
Become and follow the tracks of the sun, adjustable support 21 angle signal of outdoor control module 20 acquisition angles instrument 31 test, it is stored in Indoor Video
In the memorizer of module 33, shown in real time by the display of Indoor Video module 33 simultaneously；Outdoor control module 20 passes through to adopt
Collection solar radiation table 32, cooling fluid temperature sensor 17, hot fluid temperature sensor 26, effusion meter 24, photovoltaic DC-to-AC converter 28 are believed
Number, obtain solar irradiance, cooling fluid temperature, the numerical value of hot fluid temperature, thermal fluid flow and output electricity production respectively, deposit
Storage, indoors in the memorizer of monitoring module 33, is shown, in addition, passing through by the display of Indoor Video module 33 simultaneously in real time
The arithmetical unit of Indoor Video module 33, calculate the quantity of heat production of collection thermoelectric coproduction device, photoelectric transformation efficiency, photothermal deformation effect
Rate and thermoelectricity aggregate efficiency, are stored and are shown in real time.
Hot fluid temperature is arranged by Indoor Video module 33, is sent to outdoor control module 20 from Indoor Video module 33
Changing the instruction of variable frequency pump 18 or electric control valve 25 working condition, thus changing fluid flow, realizing Indoor Video module 33
The hot fluid temperature of setting.
The present invention adopts individual reflection compound parabolic concentrator than conventional composite paraboloid condenser and traditional truncate
Compound parabolic concentrator is shorter, and cost is lower.Such as, in the range of design geometric concentrating ratio is for 2～10, relatively conventional compound
Paraboloid condenser, individual reflection compound parabolic concentrator reflector body can reduce by 41.8%～64.4% materials；Relatively
Traditional 1/2 truncate compound parabolic concentrator, individual reflection compound parabolic concentrator reflector body can reduce 3.6%～
40.8% materials.Therefore, the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused that the present invention provides
Cost is lower.
The present invention adopts the individual reflection compound parabolic concentrator integrated thermal electric connection that light gathering efficiency is higher and materials are less
Produce device, relatively conventional compound parabolic concentrator integrated thermal electric combined production device, this device can more efficient utilization solar energy, and
Cost can be substantially reduced, cost performance and industrialization prospect are very good.
Claims (9)
1. a kind of cogeneration system of individual reflection compound parabolic concentrator optically focused is it is characterised in that include condensation photovoltaic
Photo-thermal cell array, tracking cell, electric recovery unit, heat recovery units and control and monitoring means；
Described concentrating photovoltaic photo-thermal cell array includes some concentrating photovoltaic photo-thermal units, and concentrating photovoltaic photo-thermal unit includes optically focused
Device, condenser is individual reflection compound parabolic concentrator (2), in the lower section of individual reflection compound parabolic concentrator (2), from
Top to bottm set gradually reflector (3), ultra-clear glasses cover plate (8), upper strata EVA (9), crystal silicon photovoltaic cell (10), middle level EVA
(11), TPT (12), lower floor EVA (13), radiating square tube (14) and insulation material (15)；
Described tracking cell includes optical pickocff (30), inclinometer (31) and solar radiation table (32)；
The crystal silicon photovoltaic cell that described electricity recovery unit is included photovoltaic DC-to-AC converter (28) and is connected with photovoltaic DC-to-AC converter (28)
(10)；
Described heat recovery units include hot fluid case (27) and cold fluid tank (16), and cold fluid tank (16) is through variable frequency pump (18), cold
Fluid hose (19), radiating square tube (14), hot fluid pipe (23), effusion meter (24), electric control valve (25) and hot fluid case (27)
It is connected；
Described control includes the outdoor control module (20) for data acquisition and control signal output and use with monitoring means
In data display, analysis and the Indoor Video module (33) storing, outdoor control module (20) is with Indoor Video module (33) even
Connect, variable frequency pump (18), effusion meter (24), electric control valve (25), photovoltaic DC-to-AC converter (28), optical pickocff (30), inclinometer
(31), solar radiation table (32) is all connected with outdoor control module (20).
2. the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused according to claim 1, it is special
Levy and be, described tracking cell also includes base (22), base is provided with support (21), concentrating photovoltaic photo-thermal cell array,
Optical pickocff (30), inclinometer (31) and solar radiation table (32) are arranged on support (21).
3. the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused according to claim 2, it is special
Levy and be, described support (21) is the support that can adjust direction, support (21) is connected with outdoor control module (20).
4. the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused according to claim 2, it is special
Levy and be, described outdoor control module (20) is arranged on base (22)；Crystal silicon photovoltaic cell (10) is laminated to radiating square tube
(14) above；Described photovoltaic DC-to-AC converter (28) is connected to the grid by cable (29), or by cable (29) access off-grid system or
Carry out electric power storage.
5. the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused according to claim 1, it is special
Levy and be, between described cold fluid tank (16) and variable frequency pump (18), be provided with cooling fluid temperature sensor (17), electric control valve
(25) it is provided with hot fluid temperature sensor (26), cooling fluid temperature sensor (17), hot fluid and hot fluid case (27) between
Temperature sensor (26) is all connected with outdoor control module (20).
6. the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused according to claim 1, it is special
Levy and be, incidence hole (6) width of described individual reflection compound parabolic concentrator (2) and the ratio of light hole (7) width are
Geometric concentrating ratio.
7. the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused according to claim 6, it is special
Levy and be, the optimal caustic surface of described individual reflection compound parabolic concentrator (2) is L with the distance of light hole (7), and L is
Unthreaded hole (7) width and the product of single compound parabolic concentrator (2) daylighting half-angle tangent value；Crystal silicon photovoltaic cell (10)
Sensitive surface is arranged on optimal caustic surface.
8. the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused according to claim 7, it is special
Levy and be, two reflectors (3) are installed below the light hole (7) of described individual reflection compound parabolic concentrator (2), reflective
The reflective mirror of plate (3) is towards the axis (5) of individual reflection compound parabolic concentrator (2), distance of two reflectors (3) etc.
In light hole (7) width, reflector (3) length is equal to optimal caustic surface and the distance between light hole (7) L.
9. the cogeneration system of a kind of individual reflection compound parabolic concentrator optically focused according to claim 1, it is special
Levy and be, described crystal silicon photovoltaic cell (10) adopts monocrystalline Silicon photrouics or polysilicon photovoltaic cells；Described recuperation of heat
The heat eliminating medium of unit is water or nano-fluid.
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| CN105024629A (en) | 2015-11-04 |
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