CN104471326A - Trough collector with concentrator arrangement - Google Patents
Trough collector with concentrator arrangement Download PDFInfo
- Publication number
- CN104471326A CN104471326A CN201380022958.4A CN201380022958A CN104471326A CN 104471326 A CN104471326 A CN 104471326A CN 201380022958 A CN201380022958 A CN 201380022958A CN 104471326 A CN104471326 A CN 104471326A
- Authority
- CN
- China
- Prior art keywords
- concentrator
- slot type
- type collector
- group
- collector according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005855 radiation Effects 0.000 claims abstract description 29
- 239000012141 concentrate Substances 0.000 claims abstract description 10
- 239000006096 absorbing agent Substances 0.000 claims description 17
- 230000000284 resting effect Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- SKZKKFZAGNVIMN-UHFFFAOYSA-N Salicilamide Chemical compound NC(=O)C1=CC=CC=C1O SKZKKFZAGNVIMN-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000013082 photovoltaic technology Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 102100038968 WAP four-disulfide core domain protein 1 Human genes 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/74—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/79—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with spaced and opposed interacting reflective surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S2023/87—Reflectors layout
- F24S2023/876—Reflectors formed by assemblies of adjacent reflective elements having different orientation or different features
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a trough collector (1) with a primary concentrator (2), which concentrates solar radiation into a focal line region, with an arrangement (56) for secondary concentration of the solar rays reflected by the primary concentrator (2), which concentrates these rays further into focal point regions (47). The arrangement (56) for secondary concentration has multiple rows (60, 61, 62) of secondary concentrators (40), which have the same alignment in one row but a differing alignment from row to row. Furthermore, means (58) are provided for keeping one of the rows (60, 61, 62) in an operating position and the other rows in a rest position. Consequently, each of the rows (60, 61, 62) can be assigned a range of the skew angle and, if this angle changes, a different row can be brought into the operating position.
Description
Technical field
The present invention relates to the solar collector arranged with concentrator as described in the preamble according to claim 1.
Background technology
Slot type collector is especially used in solar power plant, wherein, and the layout that the secondary increasingly having proposed to be used for this slot type collector is concentrated.
Due to the shortcoming also do not overcome of photovoltaic technology, this technology can not be used so far to produce solar electric power in the mode of approximate cost-recovering.Comparatively speaking, solar power plant produces electricity with commercial scale with following price for some time; Described price (compared with photovoltaic technology method) is close to the present common commercial price of the power produced in a usual manner.
In solar power plant, the radiation of the sun uses concentrator reflect and focus on the position thus producing high temperature (or high optical density) in scopodromic mode by collector.The heat concentrated can be drawn away and for operating heat engine as turbine, it drives the generator producing electricity then.
The solar power plant of present use three kinds of citation forms: dish-style/Sterling system, solar column electric generating station system and paraboloid trough type system.
Dish-style/Sterling system as until every module 50kW scope in little unit generally do not use.
The central absorber that the mode that solar column electric generating station system has to raise is installed (on " tower "), it is for being reflexed to its sunshine by hundreds of individual mirrors, therefore the emittance of the sun to be concentrated in absorber via multiple mirror or concentrator and should to reach until the temperature of 1300 DEG C thus, and the efficiency of this heat engine for downstream (normally for the steam that generates electricity or fluid turbine power station) is favourable.There is in " Solar two " system in California the output of some MW.There is at the equipment PS20 in California the output of 20MW.
Solar column power station (although having the high temperature that can advantageously reach) is relatively not universal equally so far.
But paraboloid trough type power station is popularized and is had a large amount of collector, and it has the concentrator of the length with less lateral dimension, and not has a focus thus, but has focal line.Now, in these linear sets, utensil has the length of 20m-150m.Absorber tube extends in focal line, for concentrate heat (until almost 500 DEG C), its by heat delivery to power station.The salt of conduction oil, melting or superheated steam such as may be used as pumped (conveying) medium.
The output of about 350 MW is produced together in 9 SEGS paraboloid trough type power stations of Southern California.The power station " Nevada Solar One " being connected to power network in 2007 has the slot type collector with 182400 bending mirrors, and it is arranged on the region of 140 hectares, and produces 65 MW.Hispanic Andasol 3 in having built since in September, 2009, and should enter operation in 2011, thus power station Andasol 1-3 will have the maximum output of 50 MW.
For power station as a whole (Andasol 1-3), expection has the peak efficiencies of about 20% and the annual average efficiency of about 15%.
As mentioned above, the basic parameter of the efficiency of solar column engine is the temperature of the pumped (conveying) medium heated by collector, by means of described pumped (conveying) medium, the heat obtained to be transported away and such as being converted to power from collector: in relatively high temperature, can realize higher efficiency in the transition period.The temperature that can realize in pumped (conveying) medium depends on the concentration degree of the solar radiation reflected by concentrator then.The concentration degree of 50 represents in the focusing range of concentrator, and the energy density of every square meter of realization corresponds to 50 times of the energy of one square meter from solar radiation to earth surface.
Theoretical maximum possible concentration degree depends on Earth-Sun geometry, that is, from the opening angle of the solar disk of Earthwatch.Can draw according to this opening angle of 0.27 °, the theoretical maximum possible concentration degree factor is 213 for slot type collector.
Even be used in very complicated and thus expensive for industrial application (too) and the cross section in production aspect very near parabolic and thus produce the mirror with the focal line scope of minimum diameter, also even only can not reach this maximum concentration degree of 213 now approx.But the concentration degree that can reliably realize of about 50-60 is reality and has allowed the said temperature of about 500 DEG C in the absorber tube in paraboloid trough type power station.
Temperature can be realized to increase, now secondary concentrator is proposed, described secondary concentrator is concentrated by the solar radiation of once (slot type) concentrator reflection at the longitudinal direction of a concentrator again, thus solar radiation finally focuses on multiple focus, thus the concentration degree of sunshine and consequent temperature higher, and should to realize more than 600 DEG C.
If radiation should focus on photovoltaic cell, equally so, but as mentioned above, it not yet realizes commercial size so far.
But, the structural requirement of secondary concentrator is high, because so-called skew angle, namely sunshine drops into the angle on a concentrator of slot type collector, change along with seasonal variations and in one day, wherein, so the focus area produced by secondary concentrator may such as be shifted, this is problematic, especially when using the absorber tube with hot opening.
The secondary concentrator being configured to compound parabolic concentrator (CPC) seems to be particularly suitable for concentrating at longitudinal direction, but has the acceptance angle (θ that attainable concentration degree depends on secondary concentrator
in) defect (radiation entering secondary concentrator outside acceptance angle can not arrive consequent focus area): θ
inlarger, less by means of the attainable further concentration degree of CPC No. bis-concentrators.
In US 2010/037953, propose the secondary concentrator being configured to Fresnel lens or paraboloid to arrange pivotly relative to a concentrator, thus these can obtain to follow the tracks of current skew angle unchangeably.
But, the scheme shown in structure of pivotable secondary concentrator can have following defect: when do not impinge upon one another and thus stop move pivotally further, these only can pivotable in the fraction in required range of pivot.Can expect being equipped with the setting shown in the secondary concentrator separated at vertical direction, although required pivotability will be allowed, but make the not every solar radiation by a concentrator reflection can concentrate vertical position required during operation by secondary, this reduces the efficiency of solar collector.
Summary of the invention
Therefore, the object of this invention is to provide a kind of slot type collector for arranging with the improvement for being concentrated by the solar energy ray secondary of reflection.
This object is realized by the slot type collector of the feature with claim 1.
Due to the radiation for incidence, the parts of different orientation alternately can be located in the path of the radiation by a concentrator reflection, thus allow to use according to the secondary concentrator of current skew angle orientation, and do not need secondary concentrator to have can pivot structure.The secondary concentrator of current unwanted different orientation can be parked in the resting guard outside the radiation path of reflection.
Therefore, structure expense eliminate arrange can pivotable secondary concentrator for catch completely all reflections ray and for along with the time through the orientation (but always change) of always observing with high accuracy both.This is particular importance in hot environment, because naturally inevitable when producing the secondary concentrator higher than the temperature of 600 DEG C.Similarly, or have larger degree, if use photovoltaic cell, it must be set directly at the exit of secondary concentrator due to specific character and thus must be cooled, and this generates additional design problem.
Accompanying drawing explanation
Be described in more detail the present invention with reference to the accompanying drawings.
In the accompanying drawings:
Fig. 1 a schematically shows the slot type collector of the Known designs of arranging with secondary concentrator,
Fig. 1 b schematically shows the path and the skew angle of generation every day of the sun,
Fig. 1 c schematically shows the skew angle in collector,
North/south that Fig. 1 d shows the slot type collector when the assumed position of Dubai is oriented in the curve map of the change of the skew angle in a year,
Fig. 2 shows the preferred embodiment of secondary concentrator,
Fig. 3 schematically shows the first preferred embodiment according to slot type collector of the present invention,
Fig. 4 shows the embodiment view seen from above of Fig. 3,
What Fig. 5 showed the secondary concentrator of the view according to Fig. 4 is disposed adjacent capable sectional view,
Fig. 6 shows according to another embodiment of the present invention, and
Fig. 7 a to 7c shows the side view of the lumped elements for each range of receiving according to pin amendment of the present invention.
Detailed description of the invention
Fig. 1 a shows the slot type collector 1 according to prior art, be with once concentrator 2, concentrator 2 to lean against on framework, framework does not illustrate in greater detail, thus alleviating the burden of accompanying drawing, concentrator 2 has can pivot structure and thus can follow the tracks of route every day of the sun.
Double-head arrow 3 shows longitudinal direction, and double-head arrow 4 shows the horizontal direction of slot type collector 1, and double-head arrow 5 shows the pivotal orientation of collector 1.
Also show be configured to the secondary concentrator 9 of Fresnel lens at this arrange 8, also show and drop into solar energy ray 10 on a concentrator 2 by means of a concentrator 2 as the focal line regional reflex of ray 11 towards a concentrator 2, and reflect with longitudinal direction 3 after by secondary concentrator 9, thus it is finally directed on focal line region 13 as ray 12.
In other words, incident solar energy ray is concentrated with horizontal direction 4 at first, and then concentrate with longitudinal direction 3, wherein, the focus area 13 obtained like this is positioned in absorber tube 14, and absorber tube 14 absorbs heat and via hot pumped (conveying) medium heat dissipation.
Also can be configured to the flexible membrane be clamped in balancing gate pit at this concentrator 2 being illustrated as rigid mirror, such as, illustrate in WO 2010/037243.Replace shown here absorber tube 14, photovoltaic cell also can be provided for producing power in the position of focus area 13.
As mentioned in the beginning, propose pivotally to construct secondary concentrator 9 in US2010/037953, pivot axis extends at horizontal direction 4, to make secondary concentrator 9 follow the tracks of skew angle (see Fig. 1 b) unchangeably.
Fig. 1 b shows the every day path of the sun relative to collector 1.To the north of illustrating/and the southern collector 1 to orientation, horizontal plane is represented by dotted line 20, and this can see from collector 1.Also show the path 21 of the sun in summer, it starts at point 22 in the east and terminates at point 23 in west.Similarly, can see the sunny path 25 in winter, it starts at point 26 in the east and terminates at point 27 in west.
By according to double-head arrow 5 pivotable, collector 1 in one day towards sun orientation (that is, in the morning, it is tilted to the left with reference to figure 1b, at noon horizontal alignment, and is tilted to the right between the lights) continuously.
Although this orientation, in summer, the sun (seeing with reference to figure plane here) rises (in other words before collector 1, its north), and at noon after it (in other words, its south), and before it, land (in other words, arriving the north again) between the lights.In winter, the sun unchangeably after collector 1, in other words, its south.
This normal 28 by means of collector 1 illustrates, the surface line 29(that normal 28 is vertically positioned at concentrator 2 is labeled as dotted line and extends with longitudinal direction 3) upper: such as, the sun in itself and solar energy ray 30(winter) surround the first angle S, and with the sun in solar energy ray 31(summer) surround the second angle S.The known angle S of those skilled in the art is skew angle, and represents when collector incides on the concentrator of collector obliquely towards the solar energy ray of longitudinal direction 3 during sun orientation.
If solar energy ray 31 drops into obliquely above on collector 1, skew angle is negative, if solar energy ray 30 drops on collector 1 later obliquely, skew angle is positive.If solar energy ray overlaps with normal 29 at noon, skew angle is 0.This roughly illustrates in Fig. 1 c and 1d: if collector 1 is towards sun orientation, solar energy ray drops on concentrator 2 below skew angle S, they and normal 29 is made to be arranged in plane E, wherein, the not shown thus indirect ray alleviating the burden of accompanying drawing focuses in the focal line region of concentrator 2.
Fig. 1 d shows by way of example according to the curve map of season based on the skew angle region of the position of Dubai: season, t drew on the horizontal axis, and the value (unit: degree) of skew angle is drawn on a vertical axis.
The curve map of Fig. 1 d based on the north/southern orientation of collector 1, wherein, the range of pivot of-70-+70 ° enough horizontal alignment of noon (0 ° correspond to).
As can be seen from the relation shown in Fig. 1 b, the inclination angle S in summer (such as, June 25) in the morning approximately-17 ° (point 22 in Fig. 1 b), approximately+4 ° at noon, is-17 ° between the lights again.In one day, skew angle S changes about 21 °.
In winter, such as, January 5, skew angle, in approximately+32 ° and approximately change between+48 °, thus changes about 26 °.
Fig. 2 show may be used for concentrator 1(Fig. 1 a) in secondary concentrator 40, replace and be configured to the secondary concentrator 9 of the Fresnel lens schematically shown there.Secondary concentrator 40 has the antetheca 41 and rear wall 42 that are configured to compound parabolic concentrator (CPC).CPC is well known by persons skilled in the art in essence.CPC is used for secondary and concentrates the solar energy ray 11,11' a) reflected by concentrator 2(Fig. 1, that is, it concentrates solar energy ray 11,11' with longitudinal direction 3.
Also show and be configured to horn concentrator and the right side wall 43 allowing the solar energy ray 11 concentrated with horizontal direction 4 by concentrator additionally to concentrate with horizontal direction 4 again and left side wall 44.Horn concentrator is well known by persons skilled in the art in essence.
Thus, the ray 45 of high concentration from the upper opening 46 of secondary concentrator 40 gush out and according to the present invention focus area 47 shock absorber pipe 14(Fig. 1 a) or photovoltaic cell, it is removed thus alleviates the burden of accompanying drawing.
The lower openings 48 of secondary concentrator 40 has the range of receiving determined by the attribute of CPC and horn concentrator, thus, only incident below acceptance angle ray 11 focuses in focus area 47, is not like this for the ray 11' be positioned at outside acceptance angle.
Fig. 3 shows the preferred embodiments of the present invention.Show the collector 50 with the flexible concentrator barrier film 52 be arranged in balancing gate pit 51, flexible concentrator barrier film 52 is once concentrated incident solar energy ray 53,53' and thus be it can be used as ray 54,54' to reflex to secondary centralized arrangement 55.Balancing gate pit 51 is clamped in the framework 59 of collector 50.
Bracket 58 to be arranged in framework 56 below absorber tube 57, bracket 58 is arranged so that it can be movable below absorber tube 57 at horizontal direction 4, and supporting secondary concentrator 40(Fig. 2) (here with the row 60 of multiple mutual vicinity, the form of 61 and 62), secondary concentrator 40 is divided into groups with row 60-62.Often going or organizing in 60-62, so relevant secondary concentrator 40 arranges one by one, the length thus along a concentrator is arranged.
In order to alleviate the burden of accompanying drawing, eliminate the conventional drives of bracket 58, it at random can be expected according to the requirement at scene by those skilled in the art.
By means of the suitable movement of bracket 58, a line in every case in row 60-62 is positioned at below absorber tube 57, the operating position namely in reflected radiation path, other two line positions in resting guard, namely outside reflected radiation path.
Often go the secondary concentrator of (or group) 60-62 differently orientation compared with other secondary concentrator organized, in other words, have different orientation range of receiving and be thus suitable for secondary concentrate to the skew angle S(of relevant preset range namely, in predetermined oblique scope) corresponding radiation.
From the skew angle scope of physical location and according to the curve map of Fig. 1 d, thus those skilled in the art can determine whole skew angle (be in example be scope from-18 °-+49 ° at Fig. 1 d), whole skew angle is divided into the predetermined skew angle of suitable quantity (in the example of the layout according to Fig. 3, three) and to be distributed to by a line (or group) 60-62 of secondary concentrator 40 in these so predetermined oblique scopes each, described secondary concentrator is directed and be then brought to operating position by means of the movement of bracket 48 in corresponding season towards its oblique scope.
Fig. 4 shows collector 50 view seen from above according to Fig. 3, and wherein, absorber tube 57 is removed thus alleviates the burden of accompanying drawing.Its position illustrates by means of line 70.
According to shown embodiment, three row or the group 60-62 of secondary concentrator 40 are arranged in bracket 58.As mentioned above, secondary concentrator 40 is directed towards relevant skew angle in the perspective.
The cross section of the row 60-62 of secondary concentrator 40 illustrates in Figure 5 more in detail, and represents by means of dotted line 71.
Thus, slot type collector according to the present invention has the solar energy ray 54 for being reflected by concentrator 42, the layout 65 that 54' bis-times is concentrated, solar energy ray is focused on focus area 46(Fig. 2 by described layout further) in, wherein, layout 65 for being concentrated by reflected radiation secondary has the multiple different orientation concentration members being configured to secondary concentrator 40 here, and also has device concentration members alternately being taken to the operating position in reflected radiation path or the resting guard outside reflected radiation path.These devices are according to being configured to framework 56, bracket 58 and the driver for bracket 58 in the embodiment of Fig. 3.
Fig. 5 shows the sectional view according to the dotted line 71 be made up of the row 60-62 of secondary concentrator 40.In order to alleviate the burden of accompanying drawing, other elements all of bracket 58 and collector 50 are removed, and the position of absorber tube 57 is shown only by line 71.In the accompanying drawings, often the orientation of the secondary concentrator of row 60-62 can be clear that.
As mentioned above, the present invention is not limited to the embodiment of the secondary concentrator shown in accompanying drawing 2, and any element that the radiation by a concentrator reflection longitudinally can be focused in focus area by means of it all meets the present invention.In addition, the device for mobile secondary lumped elements can differently construct, thus is such as substituted in the bracket 58 that framework 56 is advanced, and can expect being arranged on by secondary lumped elements around on the rotating ring of absorber tube placement.Similarly, photovoltaic cell can be arranged in the focus area formed by secondary lumped elements.
The paraboloid trough type shape of a concentrator means that the ray of reflection is seen can not drop into abreast on secondary lumped elements at longitudinal direction, but with the angle of some degree, its value is along with the size variation of skew angle.Accordingly, in a preferred embodiment, the range of receiving of the secondary lumped elements of each row or group constructs in an overlapping arrangement, thus when becoming another row from a line, current solar radiation prevailing can be focused in focus area completely by two row.
Fig. 6 shows another embodiment according to collector 80 of the present invention, and wherein, amendment is used for the layout 65 that secondary is concentrated.The secondary lumped elements (being secondary concentrator 40 here) of single file 83 is arranged in framework 56 regularly by means of the keeping arm 84 between absorber tube 57 and bracket 58.The row 85 and 86 of attachment element 87 and 89 is arranged in bracket 58, and according to the position of bracket 85, it is positioned at operating position (that is, in the path of radiation 44,44') and forms the modified elements being used for secondary concentrator together with secondary concentrator 40.The effect of attachment element is that the range of receiving of secondary concentrator 40 is changed, and then makes the secondary lumped elements of existence three different rows, distributes to oblique scope in every case and has corresponding range of receiving.
In Fig. 7 a value 7c, schematically show secondary concentrator 40, wherein, Fig. 7 a shows the secondary concentrator 40 not having attachment element, and its range of receiving corresponds to dotted line 86.Fig. 7 b shows attachment element 87, and it forms the asymmetric continuation relative with the rear wall 42 of secondary concentrator 40 of antetheca, thus changes the direction of its range of receiving according to dotted line 88.Similarly, in figure 7 c, wherein, the direction of the range of receiving of the secondary concentrator 40 illustrated there changes, as shown in dotted line 90 more consumingly by means of larger attachment element 89.Such as, according to the curve map of Fig. 1 c, the oblique scope for-18 °-+10 ° can be arranged according to secondary concentrator 40 row of Fig. 7 a, according to the capable oblique scope that can arrange for 5 °-+33 ° of the secondary concentrator with attachment element 87 of Fig. 7 b, according to the capable oblique scope that can arrange for+30 °-+48 ° of the secondary concentrator with attachment element 89 of Fig. 7 c.
Those skilled in the art can according to scene physical condition determination oblique scope prevailing.Similarly, those skilled in the art can determine the line number of secondary lumped elements, although the quantity of three row shown in present example embodiment is considered as favourable, can expect only two row or more than three row, such as 4-6 is capable.
Claims (12)
1. a slot type collector, have solar radiation (10, 11, 53, 53') focus on a concentrator (2) in focal line region, and the solar energy ray (10 had for being reflected by a concentrator (2), 11, 53, the layout (56) that 53') secondary is concentrated, solar energy ray focuses in focus area (47) by described layout further, it is characterized in that, layout (56) for being concentrated by reflected radiation secondary has for the differently directed multiple parts (40 of the radiation of incidence, 87, 89), and by differently directed parts (40, 87, 89) alternately take the operating position in reflected radiation path to or be positioned at the device of the resting guard outside reflected radiation path.
2. slot type collector according to claim 1, wherein, differently directed parts (40 in groups, 87,89) have towards predetermined oblique scope identical range of receiving directed regularly, arrange in every case multiple groups (60-62), for different oblique scopes, and device configuration becomes operatively to be positioned at one group in reflected radiation path in every case.
3. slot type collector according to claim 1, wherein, at least one group (60-62) differently constructs at the range of receiving of horizontal direction and other group (60-62).
4. the slot type collector according to any one of claim 1-3, wherein, concentration members (40,87,89) be configured to, in this group, there is same orientation but often there is between group the secondary concentrator (40) of different orientation, wherein, the orientation of a group corresponds to predetermined oblique scope, and the secondary concentrator (40) of a group is arranged to arrange one by one along the length of a concentrator (2).
5. the slot type collector according to any one of claim 1-3, wherein, concentration members (40,87,89) there is single group secondary concentrator (40) of fixed orientation and the many groups attachment element (87 for secondary concentrator (40), 89), in every case, attachment element (87,89) combine with secondary concentrator (40) orientation realizing its range of receiving for each oblique scope, and wherein, described device configuration becomes one group of attachment element to be operatively positioned in the radiation path of secondary concentrator (40) upstream in every case.
6. the slot type collector according to claim 4 or 5, wherein, secondary concentrator (40) is configured to compound parabolic concentrator.
7. slot type collector according to claim 1, wherein, the layout (56) concentrated for secondary is also configured to concentrate reflected radiation with horizontal direction, and preferably has the horn concentrator for each focus area.
8. slot type collector according to claim 1 and 2, wherein, the layout (56) concentrated for secondary is configured to focus on the skew angle of-20 °-+50 ° sunshine incided on a concentrator (2) in focus area (47).
9. slot type collector according to claim 2, wherein, the range of receiving of each predetermined oblique scope is overlapping.
10. slot type collector according to claim 1, wherein, absorber tube (57) is provided with hot opening, and focus area (47) is positioned at the position of hot opening.
11. slot type collectors according to claim 1, wherein, photovoltaic cell is arranged on the position of focus area (47).
12. slot type collectors according to claim 1, wherein, No. one time concentrator (2) is divided into multiple longitudinal region, and distributes to each longitudinal region for the layout concentrated by the sunshine reflected by longitudinal region secondary.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH00604/12A CH706465A1 (en) | 2012-05-01 | 2012-05-01 | Trough collector with a concentrator. |
| CH604/12 | 2012-05-01 | ||
| PCT/CH2013/000074 WO2013163771A1 (en) | 2012-05-01 | 2013-04-30 | Trough collector with concentrator arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104471326A true CN104471326A (en) | 2015-03-25 |
Family
ID=48407402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380022958.4A Pending CN104471326A (en) | 2012-05-01 | 2013-04-30 | Trough collector with concentrator arrangement |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150354856A1 (en) |
| EP (1) | EP2844928A1 (en) |
| CN (1) | CN104471326A (en) |
| CH (1) | CH706465A1 (en) |
| WO (1) | WO2013163771A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106936381A (en) * | 2015-12-30 | 2017-07-07 | 中国科学院西安光学精密机械研究所 | Installation method of concentrating solar module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2919681Y (en) * | 2006-06-26 | 2007-07-04 | 陈则韶 | Two-dimensional photovoltaic electricity generator bracket for tracing sun |
| CN201297790Y (en) * | 2008-07-22 | 2009-08-26 | 姜延明 | Three way pipe |
| CN101660845A (en) * | 2009-09-07 | 2010-03-03 | 东南大学 | Secondary reflection light gathering and heat collecting device with compound curved surface |
| CN201615679U (en) * | 2009-03-22 | 2010-10-27 | 北京智慧剑科技发展有限责任公司 | Solar energy multi-direction tracking dryer |
| CH704005A2 (en) * | 2010-10-24 | 2012-04-30 | Airlight Energy Ip Sa | Solar collector with a first concentrator and towards this pivotal second concentrator. |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1661473A (en) * | 1924-06-10 | 1928-03-06 | Robert H Goddard | Accumulator for radiant energy |
| US4065053A (en) * | 1975-07-24 | 1977-12-27 | Nasa | Low cost solar energy collection system |
| US4088121A (en) * | 1977-01-19 | 1978-05-09 | The Laitram Corporation | Solar energy concentrator |
| US4281640A (en) * | 1977-09-26 | 1981-08-04 | Wells David N | Electromagnetic radiation collector system |
| IT7967372A0 (en) * | 1979-02-20 | 1979-02-20 | Fiat Ricerche | SOLAR ENERGY ABSORBER ASSOCIATED WITH A LINEAR CONCENTRATION OPTICAL SYSTEM |
| US4234354A (en) * | 1979-04-20 | 1980-11-18 | Lidorenko Nikolai S | Solar power unit |
| US5005958A (en) * | 1988-03-04 | 1991-04-09 | Arch Development Corporation | High flux solar energy transformation |
| FR2656679A1 (en) * | 1990-01-02 | 1991-07-05 | Armines | RADIATION CONCENTRATING DEVICE. |
| US5214921A (en) * | 1991-01-18 | 1993-06-01 | Cooley Warren L | Multiple reflection solar energy absorber |
| DE9302607U1 (en) * | 1993-02-16 | 1993-05-19 | Busch, Peter, O-1093 Berlin | Device for concentrating sunlight |
| US6244264B1 (en) * | 1999-06-09 | 2001-06-12 | Solar Enterprises, International, Llc | Non-imaging optical illumination system |
| US6384320B1 (en) * | 2000-10-13 | 2002-05-07 | Leon Lung-Chen Chen | Solar compound concentrator of electric power generation system for residential homes |
| US6708687B2 (en) * | 2001-06-12 | 2004-03-23 | James B. Blackmon, Jr. | Thermally controlled solar reflector facet with heat recovery |
| DE20214823U1 (en) * | 2002-09-25 | 2004-02-19 | Besier, Dirk | Absorber element for solar high-temperature heat generation |
| US20060207590A1 (en) * | 2005-03-17 | 2006-09-21 | Alexander Levin | Solar radiation modular collector |
| US20090139512A1 (en) * | 2007-11-30 | 2009-06-04 | Lima Daniel D De | Solar Line Boiler Roof |
| US20100037953A1 (en) * | 2008-02-15 | 2010-02-18 | Jinchun Xie | Device for focusing reflected light from a parabolic trough reflector onto focal points in a longitudinal direction |
| US8226253B2 (en) * | 2008-02-27 | 2012-07-24 | Lubart Neil D | Concentrators for solar power generating systems |
| CH699605A1 (en) | 2008-09-30 | 2010-03-31 | Airlight Energy Ip Sa | Solar Panel. |
| CH700227A1 (en) * | 2009-01-08 | 2010-07-15 | Airlight Energy Ip Sa | Absorber pipe for the trough collector of a solar power plant. |
| US8546686B2 (en) * | 2009-05-08 | 2013-10-01 | Arthur Ashkin | Solar energy collection system |
| US20110220094A1 (en) * | 2010-03-12 | 2011-09-15 | Ausra, Inc. | Secondary reflector for linear fresnel reflector system |
| WO2011130454A1 (en) * | 2010-04-13 | 2011-10-20 | Ben Shelef | Solar receiver |
| CH705811A2 (en) * | 2011-11-29 | 2013-05-31 | Airlight Energy Ip Sa | Trough collector with a number of secondary concentrators. |
| WO2013151601A2 (en) * | 2012-01-05 | 2013-10-10 | Norwich Technologies, Inc. | Cavity receivers for parabolic solar troughs |
| WO2014100038A2 (en) * | 2012-12-17 | 2014-06-26 | Skyven Technologies, LLC | Solar concentration system |
| US9787247B2 (en) * | 2014-10-01 | 2017-10-10 | Sharp Laboratories Of America, Inc. | Solar concentrator with asymmetric tracking-integrated optics |
-
2012
- 2012-05-01 CH CH00604/12A patent/CH706465A1/en not_active Application Discontinuation
-
2013
- 2013-04-30 WO PCT/CH2013/000074 patent/WO2013163771A1/en active Application Filing
- 2013-04-30 US US14/397,723 patent/US20150354856A1/en not_active Abandoned
- 2013-04-30 CN CN201380022958.4A patent/CN104471326A/en active Pending
- 2013-04-30 EP EP13721583.6A patent/EP2844928A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2919681Y (en) * | 2006-06-26 | 2007-07-04 | 陈则韶 | Two-dimensional photovoltaic electricity generator bracket for tracing sun |
| CN201297790Y (en) * | 2008-07-22 | 2009-08-26 | 姜延明 | Three way pipe |
| CN201615679U (en) * | 2009-03-22 | 2010-10-27 | 北京智慧剑科技发展有限责任公司 | Solar energy multi-direction tracking dryer |
| CN101660845A (en) * | 2009-09-07 | 2010-03-03 | 东南大学 | Secondary reflection light gathering and heat collecting device with compound curved surface |
| CH704005A2 (en) * | 2010-10-24 | 2012-04-30 | Airlight Energy Ip Sa | Solar collector with a first concentrator and towards this pivotal second concentrator. |
Also Published As
| Publication number | Publication date |
|---|---|
| CH706465A1 (en) | 2013-11-15 |
| WO2013163771A1 (en) | 2013-11-07 |
| US20150354856A1 (en) | 2015-12-10 |
| EP2844928A1 (en) | 2015-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9476612B2 (en) | Beam-forming concentrating solar thermal array power systems | |
| CN103238033B (en) | solar collector system | |
| CN102103258B (en) | Solar secondary concentration and frequency division method and device based on dish concentration | |
| US20140026944A1 (en) | Absorber tube for a trough collector | |
| JP5898674B2 (en) | Cross-line solar concentrator | |
| Canavarro et al. | A novel Compound Elliptical-type Concentrator for parabolic primaries with tubular receiver | |
| US20090159115A1 (en) | Light Concentrating Modules, Systems and Methods | |
| JP2012038954A (en) | Condensing photovoltaic power generation system | |
| CN102798968A (en) | Sectional type groove type solar energy condenser | |
| JP2013194936A (en) | Linear solar collecting device and solar collecting power generation system | |
| US20140332054A1 (en) | Solar collector having a pivotable concentrator arrangement | |
| CN104620060A (en) | Solar tracking concentrator | |
| KR101997761B1 (en) | Combined solar thermal and photovoltaics system using hybird solar cell based on concentrated type and planar type | |
| CN202660771U (en) | Solar energy spotlight tracing array horizontal oriented collection device | |
| US20110214666A1 (en) | Fixed focus parabolic trough collector | |
| CN202083827U (en) | Solar secondary concentrating frequency division device based on dish concentrating | |
| US20140299121A1 (en) | Radiation collection utilizing total internal reflection and other techniques for the purpose of dispatchable electricity generation and other uses | |
| CN206626824U (en) | Solar energy condenser | |
| CN104471326A (en) | Trough collector with concentrator arrangement | |
| CN104913525A (en) | Two-dimensional automatic-sun-tracking trough type solar thermal collector | |
| CN114096790B (en) | Asymmetric solar receiver | |
| CN204880790U (en) | Exempt from to trail compound paraboloid condenser of solar energy | |
| CN202870380U (en) | Sectional groove type solar concentrator | |
| WO2013005479A1 (en) | Solar light collection system and solar thermal electric power generation system | |
| KR20210066461A (en) | Parabolic trough concentrator type solar thermal energy system capable of tracking solar using temperature sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |
|
| WD01 | Invention patent application deemed withdrawn after publication |