CN203813719U - Quasi-groove-type dot condensation solar energy utilization device - Google Patents
Quasi-groove-type dot condensation solar energy utilization device Download PDFInfo
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- CN203813719U CN203813719U CN201420106018.5U CN201420106018U CN203813719U CN 203813719 U CN203813719 U CN 203813719U CN 201420106018 U CN201420106018 U CN 201420106018U CN 203813719 U CN203813719 U CN 203813719U
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- collective optics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Abstract
The utility model discloses a quasi-groove-type dot condensation solar energy utilization device. The quasi-groove-type dot condensation solar energy utilization device comprises a support device including a support and pedestals symmetrically distributed at two sides of the support; a plurality of dot condensation components symmetrically distributed on the pedestals at the two sides of the support to form a quasi-groove-type structure and used for receiving sunlight for condensation; and a plurality of photoelectric conversion devices positioned at one end, opposite to the pedestals, of the support and used for converting the sunlight gathered by the dot condensation components to electric energy, wherein the photoelectric conversion devices have the same number as the dot condensation components and are corresponding to the dot condensation components one by one, and a light receiving port of each photoelectric conversion device is disposed facing to the corresponding dot condensation component and is positioned at a condensation focus position of the corresponding dot condensation component. Condensation is carried out by using the quasi-groove-type structure, so that the quasi-groove-type dot condensation solar energy utilization device can be cleaned conveniently through a cleaning device; and solar energy is received through dot condensation, and the utilization rate of the solar energy is relatively high.
Description
Technical field
The utility model relates to application of solar, particularly relates to a kind of accurate slot type point Photospot solar use device.
Background technology
Concentration solar generating is first sunlight to be converged by concentrator, again the solar energy converging is changed into electric energy, it has two kinds of transform modes, and a kind of is, by optical semiconductor electric transition element, the sunlight converging is changed into electric energy, as concentrating photovoltaic power generation; Another kind of mode is that the sunlight converging is converted into heat energy is kinetic energy by thermodynamic cycle by thermal power transfer again, drives generator generating, as concentration photo-thermal generating with kinetic energy.
Traditional some concentrating generation device, generally adopts umbrella structure to receive solar energy, is unfavorable for receiving system to clean.
Utility model content
Based on this, be necessary that receiving structure for the umbrella formula of a concentrating generation device is unfavorable for clean problem, provides a kind of clean accurate slot type point Photospot solar use device that is beneficial to.
A kind of accurate slot type point Photospot solar use device, comprising:
Bracing or strutting arrangement, comprises support and base, and described base is symmetrically distributed in described support both sides;
Multiple somes collective opticses, are symmetrically distributed on the base of described support both sides, form accurate slot type structure;
Multiple photoelectric conversion devices, are positioned at one end that described support is relative with described base, described opto-electronic conversion
Device is equal with described collective optics quantity and corresponding one by one with described some collective optics, and the light-receiving mouth of described photoelectric conversion device is towards corresponding some collective optics and be positioned at the optically focused focus place of corresponding some collective optics; Described multiple somes collective opticses receive and converge sunlight, and the sunlight that described multiple photoelectric conversion devices converge described some collective optics is converted to electric energy.
In an embodiment, described some collective optics is reflective some collective optics therein, and the focal length of described some collective optics is 0.8m-1.3m, and each described some collective optics is less than 25 ° with respect to the incidence angle of corresponding photoelectric conversion device.
In an embodiment, described some collective optics is parabolic reflector therein.
In an embodiment, the light-receiving area of described parabolic reflector is 0.25m therein
2-0.65m
2, the launching spot area that described parabolic reflector forms at the light-receiving mouth of described photoelectric conversion device is less than 35mm*35mm, and described light-receiving area is greater than 250 with the ratio of the area of described launching spot.
Therein in an embodiment, the focal length of described parabolic reflector and the ratio of the square root of described light-receiving area are greater than 1.3 and be less than 2.5.
In an embodiment, described photoelectric conversion device comprises therein:
Multiple photovoltaic cells, are located at respectively on heat-conduction circuit board, are converted to electric energy for the sunlight that described some collective optics converged;
Multiple described heat-conduction circuit boards, for fixing respectively photovoltaic cell described in each, and the heat energy producing while conducting described photovoltaic cell work;
Multiple conducting strips, are located at respectively on described heat-conduction circuit board and connect respectively described photovoltaic cell, the electric energy producing for derive described photovoltaic cell to external circuit;
Radiator, connects described heat-conduction circuit board, for deriving the heat energy producing when described photovoltaic cell is worked;
Shell, for holding described photovoltaic cell, heat-conduction circuit board, conducting strip and radiator, and is provided with light-receiving mouth, and described photovoltaic cell receives the described some sunlight that collective optics converges by described light-receiving mouth.
In an embodiment, described photovoltaic cell is multi-junction gallium arsenide photovoltaic cell therein, and the optical range that is subject to of each described photovoltaic cell is 10mm*10mm.
In an embodiment, the quantity of described photovoltaic cell is four therein, is square matrix and arranges and form photovoltaic cell group; Wherein, diagonal angle is arranged photovoltaic cell is parallel with one another and connect respectively protective circuit.
In an embodiment, between the photovoltaic cell group of the different corresponding photoelectric conversion devices of some collective optics, mutually connect therein.
In an embodiment, described photoelectric conversion device also comprises secondary condensation device therein, and described secondary condensation device comprises light input end and light output end; Described light input end arranges multiple smooth entrance ports, and described multiple smooth entrance ports are rectangular intensive drawing close, and described light output end arranges multiple and described smooth entrance port light delivery outlet one to one, and described smooth delivery outlet optics connects described photovoltaic cell; Described secondary condensation device carries out secondary condensation and the sunlight described secondary condensation is injected to described photovoltaic cell the sunlight of injecting from described light-receiving mouth.
Above-mentioned accurate slot type point Photospot solar use device, the structure that forms accurate slot type by multiple somes collective opticses is carried out optically focused, is converted to electric energy by the multiple and above-mentioned multiple somes collective opticses sunlight that photoelectric conversion device converges a collective optics one to one.The structure of above-mentioned accurate slot type, conveniently cleans above-mentioned accurate slot type point Photospot solar use device by cleaning device; And by a collective optics, solar energy is received, the utilance of solar energy is higher.
Brief description of the drawings
Fig. 1 is the accurate slot type point Photospot solar use device schematic diagram of the utility model one embodiment;
Fig. 2 is the accurate slot type point Photospot solar use device schematic diagram of another embodiment of the utility model;
Fig. 3 is the support one side point collective optics embodiment illustrated in fig. 2 vertical view of arranging;
Fig. 4 is receiving port schematic diagram embodiment illustrated in fig. 2;
Fig. 5 is the incidence angle schematic diagram of embodiment illustrated in fig. 2 some collective optics with respect to corresponding photoelectric conversion device;
Fig. 6 is photoelectric conversion device schematic diagram embodiment illustrated in fig. 2;
Fig. 7 is photoelectric conversion device schematic diagram in another embodiment.
Embodiment
A kind of accurate slot type point Photospot solar use device, by slot type structure that multiple somes collective optics settings are as the criterion, facilitate the follow-up cleaning to above-mentioned multiple somes collective opticses, and be provided with corresponding photoelectric conversion device for each some collective optics, improved solar energy utilization ratio.The supplemental characteristic of the characteristic parameter by set-point collective optics and corresponding photoelectric conversion device, heat abstractor, conductive structure, supporting construction etc., has further improved the utilance of solar energy, has reduced manufacturing cost and maintenance cost.By be respectively provided to few row's photovoltaic cell in bracing or strutting arrangement both sides, between each row, the photoelectric conversion device that adjacent photovoltaic cell is corresponding can share a receiving port, reduce the production cost of accurate slot type point Photospot solar use device, and provide convenience for the layout of circuit and cooling fluid pipeline.Arranging of photoelectric conversion device; the photovoltaic cell of arranging by multiple matrixes are set on multiple heat-conduction circuit boards; parallel with one another and connect respectively protective circuit between each battery; when in use; if one of them photovoltaic cell breaks down; can change separately corresponding photovoltaic cell; thereby do not affect the normal use of other photovoltaic cells; do not affect the use of whole photoelectric conversion device; further improve the feasibility of accurate slot type point Photospot solar use device; the bulk life time that has improved system, has reduced maintenance cost.
Below in conjunction with drawings and Examples, a kind of accurate slot type point Photospot solar use device of the utility model is described in more detail.
Shown in Fig. 1, it is the accurate slot type point Photospot solar use device schematic diagram of the utility model one embodiment.
With reference to figure 1, a kind of accurate slot type point Photospot solar use device 100, comprises bracing or strutting arrangement 120, multiple somes collective opticses 140 and multiple photoelectric conversion device 160.
Wherein, bracing or strutting arrangement 120 comprises support 122 and base 124, and base 124 is symmetrically distributed in the both sides of support 122, and multiple somes collective opticses 140 are symmetrically distributed on the base 124 of above-mentioned support 122 both sides, form accurate slot type structure; Multiple photoelectric conversion devices 160, be positioned at one end that support 122 is relative with base 124, photoelectric conversion device 160 equates with some collective optics 140 quantity and is corresponding one by one with a collective optics 140, and the light-receiving mouth of photoelectric conversion device 160 is towards corresponding some collective optics 140 and be positioned at the optically focused focus place of corresponding some collective optics 140.
Above-mentioned accurate slot type point Photospot solar use device 100, some collective optics 140 receives and converges sunlight, and the sunlight above-mentioned some collective optics 140 being converged with the corresponding photoelectric conversion device 160 of above-mentioned some collective optics 140 is converted to electric energy.The sunlight of above-mentioned accurate slot type point Photospot solar use device is received to position, it is the overall structure setting of above-mentioned some collective optics 140 slot type structure that is as the criterion, be provided with corresponding photoelectric conversion device 160 for each some collective optics 140, in improving follow-up cleaning, further improve the utilance of solar energy.Slot type structure is combined with some optically focused technology, making more to put collective optics 140 can public same bracing or strutting arrangement 120, point collective optics 140 superjacent air spaces are got out of the way, facilitate follow-up by using automatic cleaning apparatus (not shown) to clean a collective optics 140, and conveniently change the operations such as some collective opticses 140, top support 122 laterally connects each photoelectric conversion device 160, this convenient wire and heat-radiation loop (not shown) of arranging.
Shown in Fig. 2, it is the accurate slot type point Photospot solar use device schematic diagram of another embodiment of the utility model.
With reference to figure 2, a kind of accurate slot type point Photospot solar use device 200, comprises bracing or strutting arrangement 220, multiple somes collective opticses 240 and multiple photoelectric conversion device 260.
Wherein, bracing or strutting arrangement 220 comprises support 222 and base 224, and base 224 is symmetrically distributed in the both sides of support 222, and multiple somes collective opticses 240 are symmetrically distributed on the base 224 of above-mentioned support 222 both sides, form accurate slot type structure; Multiple photoelectric conversion devices 260, be positioned at one end that support 222 is relative with base 224, photoelectric conversion device 260 equates with some collective optics 240 quantity and is corresponding one by one with a collective optics 240, and the light-receiving mouth of photoelectric conversion device 260 is towards corresponding some collective optics 240 and be positioned at the optically focused focus place of corresponding some collective optics 240.
Wherein, the every side of support 222 comprises above-mentioned some collective optics 240 of at least 2 rows, and at least 2 group point collective optics group 242(are with reference to figure 2).In embodiment illustrated in fig. 2, comprise that 2 rows put collective optics 240, i.e. 2 groups of above-mentioned some collective optics groups 242.Above-mentioned bracing or strutting arrangement 220 1 sides, the some collective optics 240 adjacent with above-mentioned support 222 forms above-mentioned row's point collective optics, i.e. one group of some collective optics group 242; A row point collective optics adjacent with above-mentioned one group of some collective optics group 242 forms another group point collective optics group (figure is mark not).
In other embodiments, above-mentioned accurate slot type point Photospot solar use device 200 also can only arrange above-mentioned some collective optics of a row or multi-row in a side of support 222.
Shown in Fig. 3, it is the support one side point collective optics embodiment illustrated in fig. 2 vertical view of arranging.
Shown in Fig. 4, it is receiving port schematic diagram embodiment illustrated in fig. 2.
With reference to figure 3, above-mentioned every group of some collective optics group 242, adjacent some collective optics 240 predetermined distance d that staggers between every group, accordingly, the photoelectric conversion device 260 corresponding with the above-mentioned adjacent some collective optics 240 staggering can be arranged in the same receiving port 2222 on support 222, the light-receiving mouth of the photoelectricity converter device 260 in above-mentioned same receiving port 2222 is respectively towards corresponding some collective optics 240, and lays respectively at the optically focused focus place (with reference to figure 4) of respective point collective optics 240.With reference to embodiment illustrated in fig. 2, put collective optics 240 by 2 rows being set in the every side of bracing or strutting arrangement 220, use an above-mentioned accurate slot type point Photospot solar use device 200, can complete two sides and accurate slot type point Photospot solar use device 100(that one row puts collective optics is only set with reference to figure 1) workload when co-operation, reduce the cost of accurate slot type point Photospot solar use device 100, and further improved the solar energy utilization ratio of accurate slot type point Photospot solar use device 100.
Concrete, above-mentioned predetermined distance d can be set different values as required.In the present embodiment, this predetermined distance d is set as 50mm.
In other embodiment, the group number of the some collective optics group 242 of support 222 every sides also can be set, and the number of photoelectric conversion device 260 in relative set receiving port 2222 and accordingly towards and position relationship.If the group number arranging is greater than 2, between each group, adjacent some collective optics 240 carries out Heterogeneous Permutation along a direction, to ensure the holding corresponding photoelectric conversion device 260 of some collective optics 240 adjacent between above-mentioned each group in same receiving port 2222.
Shown in Fig. 5, for embodiment illustrated in fig. 2 some collective optics is with respect to the incidence angle schematic diagram of corresponding photoelectric conversion device.
In embodiment illustrated in fig. 2, some collective optics 240 is reflective some collective optics.The focal length of above-mentioned some collective optics 240 is 0.8m-1.3m, and each some collective optics 240 is less than 25 ° with respect to the incidence angle of corresponding photoelectric conversion device 360.With reference to figure 2, above-mentioned incidence angle is the normal of light-receiving mouth and the angle of corresponding incident light of the corresponding photoelectric conversion device 260 of each some collective optics 240.With reference to figure 5, first row point collective optics 240 is α with respect to the incidence angle in the view plane of corresponding photoelectric conversion device 260, second row point collective optics 240 is β with respect to the incidence angle in the view plane of corresponding photoelectric conversion device 260, wherein the angle of α, β is all less than 25 °, and roughly the same.By the characteristic parameter of above-mentioned some collective optics is set, comprise the focal length of a collective optics, and the further incident angle of set-point collective optics, can further improve the utilance of solar energy.Further, the focal length of above-mentioned some collective optics is 1m, incidence angle is all less than 20 °, the above-mentioned practical efficiency that adopts existing GaAs photovoltaic cell product (photoelectric conversion efficiency of traditional GaAs photovoltaic cell is less than 40%) can reach solar energy that arranges is greater than 25%, the efficiency of considering the multistage photovoltaic cell of GaAs exceedes 50%, the actual power efficiency of native system approach 40%.In another embodiment, the angle of above-mentioned α, β is all less than 30 °, and roughly the same.
Concrete, with reference to figure 2, above-mentioned reflective some collective optics is parabolic reflector.The light-receiving area of above-mentioned parabolic reflector is 0.25m
2-0.65m
2, the launching spot area that parabolic reflector forms at the light-receiving mouth of photoelectric conversion device 260 is less than 35mm*35mm, and light-receiving area is greater than 250 with the ratio of the area of launching spot.Above-mentioned parameter arranges, and has ensured the incident intensity of some optically focused launching spot, and making transform light energy is that the conversion efficiency of electric energy is higher.Concrete, the light-receiving area of above-mentioned parabolic reflector is 0.4m
2, the focal length of above-mentioned parabolic reflector and the ratio of the square root of light-receiving area are greater than 1.3 and be less than 2.5.Concrete, above-mentioned ratio is 1.5.By above-mentioned ratio is set, the area of launching spot that can make to arrive by parabolic reflector photoelectric conversion device 260 is less, and light intensity is more concentrated, meets the ideal operation scope of high power condensation photovoltaic battery.
Shown in Fig. 6, it is photoelectric conversion device schematic diagram embodiment illustrated in fig. 2.
Shown in Fig. 7, it is photoelectric conversion device schematic diagram in another embodiment.
With reference to figure 6, Fig. 7, middle photoelectric conversion device 260 embodiment illustrated in fig. 2 comprises multiple photovoltaic cells 262, multiple heat-conduction circuit board 264, multiple conducting strip 266, radiator 268, shell (not shown) and mounting panel 269.
Wherein, above-mentioned multiple photovoltaic cell 262 is located at respectively on corresponding heat-conduction circuit board 264, be converted to electric energy for sunlight that a collective optics 240 is converged, heat-conduction circuit board 264 is for fixing above-mentioned photovoltaic cell 262, and the heat energy producing when conducting photovoltaic cell 262 and working; Multiple conducting strips 266, are located at respectively on above-mentioned heat-conduction circuit board 264, and connect respectively above-mentioned photovoltaic cell 262, for deriving to external circuit the electric energy that photovoltaic cell 262 produces; Radiator 268, by the above-mentioned heat-conduction circuit board 264 of heat pipe 267 hot link, for deriving the heat energy producing when photovoltaic cell 262 is worked; Shell, for holding above-mentioned heat-conduction circuit board 264, photovoltaic cell 262, conducting strip 266, radiator 268, mounting panel 269 and heat pipe 267, and is provided with light-receiving mouth, the sunlight that photovoltaic cell 262 converges by above-mentioned light-receiving mouth acceptance point collective optics 240.Wherein, mounting panel 269 is for carrying above-mentioned multiple photovoltaic cell 262, multiple heat-conduction circuit board 264, multiple conducting strip 266 etc.
Concrete, above-mentioned radiator 268 and heat pipe 267 form heat abstractor (figure is mark not), and conducting strip 266 forms conductive structure (figure is mark not), and mounting panel 269 forms supporting mechanism (figure is mark not).The supplemental characteristic of the characteristic parameter by set-point collective optics 240 and corresponding photoelectric conversion device 260, heat abstractor, conductive structure, supporting construction etc., has further improved the utilance of solar energy, has reduced manufacturing cost and maintenance cost.
The sunlight that above-mentioned multiple photovoltaic cell 262 converges by above-mentioned light-receiving mouth acceptance point collective optics 240, and be electric energy by the power conversion of the launching spot receiving, and derive respectively to external circuit (not shown) the electric energy that each photovoltaic cell 262 produces by the conducting strip 266 of the each photovoltaic cell 262 of above-mentioned connection; Above-mentioned photovoltaic cell 262 can not be electric energy by whole light energy conversions, when above-mentioned photovoltaic cell 262 is electric energy by light energy conversion, the luminous energy that a part can not be changed by photovoltaic cell 262 becomes heat energy, the heat energy that above-mentioned heat-conduction circuit board 264 conducts above-mentioned multiple photovoltaic cell 262 to be produced while working, and derive above-mentioned heat energy by radiator 268.Above-mentioned radiator is provided with cooling fluid entrance 2682 and cooling liquid outlet 2684, connects respectively heat abstractor and dispels the heat.
Concrete, above-mentioned photovoltaic cell 262 is multi-junction gallium arsenide photovoltaic cell.The quantity of above-mentioned photovoltaic cell 262 is 4, and each photovoltaic cell 262 is arranged in independently on heat-conduction circuit board 264, and each heat-conduction circuit board 264 is square matrix to be arranged, and forms photovoltaic cell group (figure is mark not).Wherein, photovoltaic cell 262 that diagonal angle is arranged is parallel with one another and connect protective circuit (not shown), and 262 groups, the parallel photovoltaic battery of two groups of diagonal positions is connected mutually; Or, the parallel with one another and shared protective circuit of above-mentioned 4 photovoltaic cells 262.And, in above-mentioned accurate slot type point Photospot solar use device 200, series connection mutually between 262 groups of the photovoltaic cells of different some collective optics 240 corresponding photoelectric conversion devices 260, each collective optics 240 output voltages are added, and electric current equates, can not need to increase like this sectional area of wire, transmit more electric energy.Because the area of each collective optics 240 is equal, each photovoltaic cell 262 efficiency equate, so the ideal current that the corresponding photovoltaic cell group of each collective optics 240 produces equates, meets series connection condition; Experimental results show that, under same collective optics, in 4 photovoltaic cells 262, the electric current sum of the photovoltaic cell 262 electric current sums at diagonal angle and the photovoltaic cell 262 at another diagonal angle is very approaching, meet series connection condition, if the photovoltaic cell 262 at two groups of different diagonal angles is connected, voltage can be promoted to one times, electric current declines one times, thereby has reduced the requirement to sectional area of wire, save wire, reduced the loss on wire.
In photovoltaic cell group in above-mentioned each photoelectric conversion device 260, each photovoltaic cell 262 is arranged in independently on heat-conduction circuit board 264, in the time that one of them photovoltaic cell 262 breaks down, do not need whole photovoltaic cell group to change, only the photovoltaic cell breaking down 262 need to be taken off to replacing, do not affect the normal work of other photovoltaic cells 262, facilitate the lasting use of accurate slot type point Photospot solar use device 200, and improved the useful life of accurate slot type point Photospot solar use device 200.
In other embodiment, the each photovoltaic cell 262 in above-mentioned photovoltaic cell group also can be connected mutually.
Concrete, the optical range that is subject to of above-mentioned each photovoltaic cell 262 is more than or equal to 9mm*9mm.In the time that above-mentioned photovoltaic cell 262 quantity are four, the overall sensitive surface of above-mentioned photovoltaic cell group is slightly less than 40mm*40mm, further, is slightly less than 38mm*38mm.And, the launching spot area that parabolic reflector forms at the light-receiving mouth of photoelectric conversion device is less than 35mm*35mm, make launching spot energy stronger, realize in the sensitive surface that above-mentioned launching spot can drop on 262 groups of photovoltaic cells completely, ensure to convert solar energy into electrical energy as much as possible.In another embodiment, the optical range that is subject to of above-mentioned each photovoltaic cell 262 is 10mm*10mm.
Concrete, the width of the light-receiving mouth on above-mentioned shell is greater than 60mm, can ensure that the sensitive surface of 262 groups of photovoltaic cells exposes completely, and ensures that launching spot falls into being subject in optical range of 262 groups of above-mentioned photovoltaic cells completely.
Further, with reference to figure 7, above-mentioned photoelectric conversion device also comprises secondary condensation device 265, above-mentioned secondary condensation device 265 comprises light input end (figure is mark not) and light output end (figure is mark not), above-mentioned light input end arranges multiple smooth entrance ports (figure is mark not), each smooth entrance port is rectangular intensive drawing close, and light output end arranges multiple and light entrance port light delivery outlet (not shown) one to one, and each described smooth delivery outlet optics connects described photovoltaic cell 262.The light input end of above-mentioned secondary condensation device 265 receives the sunlight of injecting from light-receiving mouth, and carries out secondary condensation, and the sunlight after secondary condensation is injected above-mentioned photovoltaic cell group by light output end.
The sunlight of above-mentioned some collective optics reflection is also inhomogeneous, by using secondary condensation device, the inhomogeneous sunlight that above-mentioned some collective optics converged carries out further optically focused processing, make the less light intensity of launching spot injected stronger, the launching spot that makes to inject 262 groups of above-mentioned photovoltaic cells is relatively even, has promoted the sun light intensity that unit are photovoltaic cell 262 receives, further to improve the utilance of photovoltaic cell, reduce the use amount of photovoltaic cell, thereby reduce costs.Concrete, above-mentioned secondary condensation device is transmission-type secondary condensation prism, or reflective secondary condensation cup.
When above-mentioned accurate slot type point Photospot solar use device application, be positioned on solar tracking instrument, by the automatic tracking position of sun of solar tracking instrument, the point collective optics of accurate slot type point Photospot solar use device and the angle of sunlight are remained within the scope of certain angle constant, or keep the some collective optics of accurate slot type point Photospot solar use device to be right against the sun.Concrete, the angle of the actual incident ray of the sun and desirable incident ray is γ, and, | γ |≤0.5 °.
Above-mentioned dimension chain, comprise the focal length of parabolic reflector, sensitive surface, incidence angle, the size of launching spot, the sensitive surface of photovoltaic cell 262 etc., the restriction of secondary condensation device 265 to incident angle of light that taken into account balance, the impact that the hot spot that solar tracking instrument departure causes rocks in light area, photovoltaic cell 262 ideals are subject to luminous intensity, photovoltaic cell 262 limits in the tolerance scope that is subject to luminous intensity when being extremely subject to light inhomogeneous, the restriction of conductor cross-section size to current strength, the impact of wire hardness on circuit board, series boosting restrictive condition, realize photovoltaic cell 262 electric current derivation one by one, radiator 268 bulks and layout, the heat conductivility of radiator 268, photovoltaic cell 262 is independent to be changed, point collective optics 240 machining accuracy allowed bands, point collective optics 240 property easy for installation, the clean convenience of some collective optics 240, the impact of blast on solar tracking instrument, the cost of the system problems such as cheap of trying one's best.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. an accurate slot type point Photospot solar use device, is characterized in that, comprising:
Bracing or strutting arrangement, comprises support and base, and described base is symmetrically distributed in described support both sides;
Multiple somes collective opticses, are symmetrically distributed on the base of described support both sides, form accurate slot type structure;
Multiple photoelectric conversion devices, be positioned at one end that described support is relative with described base, described photoelectric conversion device and described collective optics quantity equates and is corresponding one by one with described some collective optics, and the light-receiving mouth of described photoelectric conversion device is towards corresponding some collective optics and be positioned at the optically focused focus place of corresponding some collective optics; Described multiple somes collective opticses receive and converge sunlight, and the sunlight that described multiple photoelectric conversion devices converge described some collective optics is converted to electric energy.
2. accurate slot type point Photospot solar use device according to claim 1, it is characterized in that, described some collective optics is reflective some collective optics, the focal length of described some collective optics is 0.8m-1.3m, and each described some collective optics is less than 25 ° with respect to the incidence angle of corresponding photoelectric conversion device.
3. accurate slot type point Photospot solar use device according to claim 1, is characterized in that, described some collective optics is parabolic reflector.
4. accurate slot type point Photospot solar use device according to claim 3, is characterized in that, the light-receiving area of described parabolic reflector is 0.25m
2-0.65m
2, the launching spot area that described parabolic reflector forms at the light-receiving mouth of described photoelectric conversion device is less than 35mm*35mm, and described light-receiving area is greater than 250 with the ratio of the area of described launching spot.
5. accurate slot type point Photospot solar use device according to claim 4, is characterized in that, the focal length of described parabolic reflector and the ratio of the square root of described light-receiving area are greater than 1.3 and be less than 2.5.
6. accurate slot type point Photospot solar use device according to claim 1, is characterized in that, described photoelectric conversion device comprises:
Multiple photovoltaic cells, are located at respectively on heat-conduction circuit board, are converted to electric energy for the sunlight that described some collective optics converged;
Multiple described heat-conduction circuit boards, for fixing respectively photovoltaic cell described in each, and the heat energy producing while conducting described photovoltaic cell work;
Multiple conducting strips, are located at respectively on described heat-conduction circuit board and connect respectively described photovoltaic cell, the electric energy producing for derive described photovoltaic cell to external circuit;
Radiator, connects described heat-conduction circuit board, for deriving the heat energy producing when described photovoltaic cell is worked;
Shell, for holding described photovoltaic cell, heat-conduction circuit board, conducting strip and radiator, and is provided with light-receiving mouth, and described photovoltaic cell receives the described some sunlight that collective optics converges by described light-receiving mouth.
7. accurate slot type point Photospot solar use device according to claim 6, is characterized in that, described photovoltaic cell is multi-junction gallium arsenide photovoltaic cell, and the optical range that is subject to of each described photovoltaic cell is 10mm*10mm.
8. accurate slot type point Photospot solar use device according to claim 6, is characterized in that, the quantity of described photovoltaic cell is four, is square matrix and arranges and form photovoltaic cell group; Wherein, diagonal angle is arranged photovoltaic cell is parallel with one another and connect respectively protective circuit.
9. accurate slot type point Photospot solar use device according to claim 8, is characterized in that, series connection mutually between the photovoltaic cell group of the different corresponding photoelectric conversion devices of some collective optics.
10. accurate slot type point Photospot solar use device according to claim 6, is characterized in that, described photoelectric conversion device also comprises secondary condensation device, and described secondary condensation device comprises light input end and light output end; Described light input end arranges multiple smooth entrance ports, and described multiple smooth entrance ports are rectangular intensive drawing close, and described light output end arranges multiple and described smooth entrance port light delivery outlet one to one, and described smooth delivery outlet optics connects described photovoltaic cell; Described secondary condensation device carries out secondary condensation and the sunlight described secondary condensation is injected to described photovoltaic cell the sunlight of injecting from described light-receiving mouth.
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| CN201420106018.5U CN203813719U (en) | 2014-03-10 | 2014-03-10 | Quasi-groove-type dot condensation solar energy utilization device |
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| CN (1) | CN203813719U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315736A (en) * | 2014-11-03 | 2015-01-28 | 山东威特人工环境有限公司 | Trough solar collector with self-propelled cleaning device |
| CN104917444A (en) * | 2014-03-10 | 2015-09-16 | 容云 | Quasi-groove-type dot condensation solar energy utilization device |
| CN108762316A (en) * | 2018-06-13 | 2018-11-06 | 华北电力大学 | A kind of photoelectric sensor, solar energy heating control system and method |
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2014
- 2014-03-10 CN CN201420106018.5U patent/CN203813719U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917444A (en) * | 2014-03-10 | 2015-09-16 | 容云 | Quasi-groove-type dot condensation solar energy utilization device |
| WO2015135458A1 (en) * | 2014-03-10 | 2015-09-17 | 容云 | Trough-type point-focusing device for exploitation of solar energy |
| CN104917444B (en) * | 2014-03-10 | 2018-08-28 | 容云 | Quasi- slot type point Photospot solar utilizes device |
| CN104315736A (en) * | 2014-11-03 | 2015-01-28 | 山东威特人工环境有限公司 | Trough solar collector with self-propelled cleaning device |
| CN104315736B (en) * | 2014-11-03 | 2016-07-06 | 山东奇威特太阳能科技有限公司 | A kind of trough type solar heat-collector with self-propelled rinser |
| CN108762316A (en) * | 2018-06-13 | 2018-11-06 | 华北电力大学 | A kind of photoelectric sensor, solar energy heating control system and method |
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