CN205142109U - Folding photovoltaic light hot switch formula beam condensing unit of mirror surface - Google Patents
Folding photovoltaic light hot switch formula beam condensing unit of mirror surface Download PDFInfo
- Publication number
- CN205142109U CN205142109U CN201520734322.9U CN201520734322U CN205142109U CN 205142109 U CN205142109 U CN 205142109U CN 201520734322 U CN201520734322 U CN 201520734322U CN 205142109 U CN205142109 U CN 205142109U
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- Prior art keywords
- speculum
- photovoltaic
- condensing unit
- photothermal
- beam condensing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a folding photovoltaic light hot switch formula beam condensing unit of mirror surface, it includes two segmentation cambered surface speculums, photovoltaic cell subassembly, vacuum tube heat collector and real -time tracking means, its characterized in that: photovoltaic light hot switch formula beam condensing unit still includes the speculum rotation axis, two segmentation cambered surface speculums include speculum upper segment and speculum hypomere, the speculum upper segment with the speculum hypomere by the hookup of speculum axis of rotation, the vacuum tube heat collector is located the top of photovoltaic cell subassembly, the photovoltaic cell subassembly is located two segmentation cambered surface speculums below. The utility model discloses a device simple structure only rotates alright the realization of reflection mirror surface and switches over, does not relate to complex heat transfer pipeline or battery circuit's removal, and system reliability is high, and the detailed design all can be carried out according to the actual demand to spotlight multiple, focus position, two sections ratios of speculum etc..
Description
Technical field
The utility model relates to a kind of solar-energy light collector, especially a kind of minute surface folding photovoltaic and photothermal suitching type beam condensing unit.
Background technology
Photo-thermal power generation and photovoltaic generation two kinds of technology make use of the different reformulationses of solar radiation energy respectively.Photo-thermal power generation technology is heat energy by light energy conversion, and heat energy easily stores, but needs the direct radiation of sunlight normal direction, efficiency by region and seasonal effect larger; Photovoltaic power generation technology is then that luminous energy is directly converted to electric energy, and produce direct current, the more difficult realization of electrical power storage, but can utilize sun total radiation, effective generating dutation is long, by region and environmental limitations little.
As can be seen from These characteristics, photo-thermal power generation technology and photovoltaic power generation technology respectively have its strengths and weaknesses and application, and both are substitutional relation not, but the relation of complementation.Much research is all in the form that searching two kinds of technology effective combine, and PV/T (photovoltaic and photothermal one) heat collector of main flow mainly reclaims the waste heat of battery back-sheet to realize cogeneration.The limitation of PV/T heat collector is, the heat energy of generation is the byproduct of photovoltaic generation all the time, and the lower range of application of heat supply temperature is limited.
Utility model content
Heat energy for the generation of prior art existence is the byproduct of photovoltaic generation all the time, the technical problem that the lower range of application of heat supply temperature is limited, the device that the utility model provides a kind of photovoltaic generation and photo-thermal power generation to switch in good time, to meet Various Seasonal, Different periods, demand to different energy sources form.Meanwhile, all utilize the high power convergence effect of concentrator under photovoltaic generation and photo-thermal power generation two kinds of operating states, the generating of greater efficiency or the heat supply of greater efficiency can be realized, broad-spectrum heat energy and electric energy are provided.
A kind of minute surface folding photovoltaic and photothermal suitching type beam condensing unit, this beam condensing unit comprises two-part cambered surface speculum, speculum rotating shaft, photovoltaic cell component, vacuum tube collector and apparatus for real time tracking, and two-part cambered surface speculum comprises speculum epimere and speculum hypomere.Wherein, speculum epimere and the speculum hypomere of two-part cambered surface speculum are connected by speculum rotating shaft, and can rotate about it.The tracking means real-time tracking sun of two-part cambered surface speculum, when two-part cambered surface speculum is positioned at initial position, photovoltaic and photothermal suitching type beam condensing unit is in photo-thermal operating state, and incident sunray converges on vacuum tube collector through primary event by mirror mirror.When two-part cambered surface speculum is positioned at folding position, photovoltaic and photothermal suitching type beam condensing unit is in photovoltaic operating state, incident sunray is received by photovoltaic cell component after the one or many reflection of mirror mirror, vacuum tube collector is positioned at the top of described photovoltaic cell component, and described photovoltaic cell component is positioned at below described two-part cambered surface speculum.
Wherein, two-part cambered surface speculum can adopt coated toughened glass or reflective aluminum material to make; Speculum rotating shaft, with angle limit function, limits initial position and Liang Ge working point, folding position.
Center line is positioned on the middle vertical plane of beam condensing unit, and middle vertical plane is the plane of symmetry of beam condensing unit structure.No matter photovoltaic and photothermal suitching type beam condensing unit is in photo-thermal operating state or photovoltaic operating state, its drive unit comprised ensures that the two-part cambered surface speculum of the centrally line left and right sides is synchronized with the movement, and the structure of photovoltaic and photothermal suitching type beam condensing unit is symmetrical about center line all the time.
The initial position of described photovoltaic and photothermal suitching type beam condensing unit, refer to speculum epimere and the smooth connection of speculum hypomere of two-part cambered surface speculum, and being positioned on same parabola with the speculum of the centrally symmetrical side of line, vacuum tube collector central point overlaps with its focal point.
The folding position of described two-part cambered surface speculum, refer to that the speculum epimere of speculum rotates 20 ° ~ 40 ° along speculum axial rotary near centerline direction, speculum hypomere 3 turns to erectility along speculum axial rotary away from centerline direction.Adopting rotary spacing mode, carry out the switching of initial position and folding position, is also the switching of photo-thermal operating state and photovoltaic operating state.
Described folding position can ensure that all light being irradiated to speculum epimere all can arrive photovoltaic cell component surface after reflection.Wherein, the light arriving photovoltaic cell component can be divided into again three kinds of situations: light directly arrives photovoltaic cell component surface after the individual reflection of speculum epimere; Light arrives the hypomere of symmetrical side rearview mirror after the reflection of speculum epimere, is arrived photovoltaic cell component surface by after secondary reflection again; Light is surperficial to photovoltaic cell component without the direct vertical incidence of reflection.
Described speculum rotating shaft can make cannot fit tightly between speculum epimere and speculum hypomere, there is certain interval.When initial position, speculum epimere and speculum hypomere form smooth parabolic, and gap can exist certain influence to whole section of parabolical continuity, cause vacuum tube collector existing minimum shade, but this shade does not affect the solar collecting performance of vacuum tube heat collection function.When photovoltaic and photothermal suitching type beam condensing unit moves to folding position, speculum epimere and speculum hypomere realize different reflection functions respectively, and gap does not affect its respective continuity, therefore can not cause shade on photovoltaic cell component surface.
When two kinds of operating states switch, except speculum rotating shaft drives except the speculum epimere of two-part cambered surface speculum and speculum hypomere rotate, the position of other each parts of device remains unchanged.
Photovoltaic and photothermal suitching type beam condensing unit of the present utility model has following advantage: structure is simple, is easy to realize, and only mirror surface rotates and just can realize switching, and do not relate to the movement of complex heat transfer pipeline or battery circuit, system reliability is high, easy to maintenance; Device is when photo-thermal and photovoltaic two states switch, and all can realize independent, efficient, parts do not block impact mutually; Parameter is adjustable flexibly, and light concentrating times, focal position, speculum two sections of proportionings etc. all can carry out specific design according to the actual requirements; Adopt photo-thermal pattern summer, peak load regulation network can be used as by heat accumulation, protection battery component can be played in order to avoid overheated effect simultaneously; Winter adopts photovoltaic mode, makes full use of the more inefficient higher characteristic of photovoltaic cell ambient temperature, and can evade that opto-thermal system pipeline heat waste in winter is large, easy freezing equivalent risk.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model photovoltaic and photothermal suitching type beam condensing unit;
Fig. 2 is the schematic diagram that the utility model photovoltaic and photothermal suitching type beam condensing unit is in photo-thermal power generation state;
Fig. 3 is the schematic diagram that the utility model photovoltaic and photothermal suitching type beam condensing unit is in photovoltaic generation state;
Wherein Reference numeral is: two-part cambered surface speculum 1, speculum epimere 2, speculum hypomere 3, speculum rotating shaft 4, photovoltaic cell component 5, vacuum tube collector 6, sunray 7-10, center line 11.
Embodiment
Below, with reference to accompanying drawing, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.But the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment being confined to describe here.But, these embodiments are provided, thus make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
A kind of minute surface folding photovoltaic and photothermal suitching type beam condensing unit, this beam condensing unit comprises two-part cambered surface speculum 1, speculum rotating shaft 4, photovoltaic cell component 5, vacuum tube collector 6 and apparatus for real time tracking (not shown), and two-part cambered surface speculum 1 comprises speculum epimere 2 and speculum hypomere 3.Wherein, speculum epimere 2 and the speculum hypomere 3 of two-part cambered surface speculum 1 are connected by speculum rotating shaft 4, and can rotate about it.The tracking means real-time tracking sun of two-part cambered surface speculum 1, when two-part cambered surface speculum 1 is arranged in initial position (shown in Fig. 1 solid line), photovoltaic and photothermal suitching type beam condensing unit is in photo-thermal operating state, and incident sunray 7 converges on vacuum tube collector 6 through primary event by mirror mirror.When two-part cambered surface speculum 1 is arranged in folding position (shown in Fig. 1 dotted line), photovoltaic and photothermal suitching type beam condensing unit is in photovoltaic operating state, incident sunray is received by photovoltaic cell component 5 after the one or many reflection of mirror mirror, vacuum tube collector 6 is positioned at the top of described photovoltaic cell component 5, and described photovoltaic cell component 5 is positioned at below described two-part cambered surface speculum 1.
Wherein, two-part cambered surface speculum 1 can adopt coated toughened glass or reflective aluminum material to make; Speculum rotating shaft 4, with angle limit function, limits initial position and Liang Ge working point, folding position.
Center line 11 is positioned on the middle vertical plane of beam condensing unit, and middle vertical plane is the plane of symmetry of beam condensing unit structure.No matter photovoltaic and photothermal suitching type beam condensing unit is in photo-thermal operating state or photovoltaic operating state, its drive unit comprised ensures that the two-part cambered surface speculum 1 of centrally line 11 left and right sides is synchronized with the movement, and the structure of photovoltaic and photothermal suitching type beam condensing unit is symmetrical about center line 11 all the time.
The initial position of described photovoltaic and photothermal suitching type beam condensing unit, refer to speculum epimere 2 and speculum hypomere 3 smooth connection of two-part cambered surface speculum 1, and being positioned on same parabola with the speculum of the centrally symmetrical side of line 11, vacuum tube collector 6 central point overlaps with its focal point.
The folding position of described two-part cambered surface speculum 1, refer to that the speculum epimere 2 of speculum rotates 20 ° ~ 40 ° along speculum rotating shaft 4 near center line 11 direction, speculum hypomere 3 turns to erectility along speculum rotating shaft 4 to away from center line 11 direction.Adopting rotary spacing mode, carry out the switching of initial position and folding position, is also the switching of photo-thermal operating state and photovoltaic operating state.
All light that described folding position can ensure to be irradiated to speculum epimere 2 all can arrive photovoltaic cell component 5 surface after reflection, as shown in Figure 3.Wherein, the light arriving photovoltaic cell component 5 can be divided into again three kinds of situations: light 10 directly arrives photovoltaic cell component 5 surface after the individual reflection of speculum epimere 2; Light 9 arrives the hypomere 3 of symmetrical side rearview mirror after the reflection of speculum epimere 2, is arrived photovoltaic cell component 5 surface after secondary reflection again; Light 8 is surperficial to photovoltaic cell component 5 without the direct vertical incidence of reflection.
Described speculum rotating shaft 4 can make cannot fit tightly between speculum epimere 2 and speculum hypomere 3, there is certain interval.When initial position, speculum epimere 2 and speculum hypomere 3 form smooth parabolic, can there is certain influence to whole section of parabolical continuity in gap, cause that vacuum tube collector 6 exists minimum shade, but this shade does not affect the solar collecting performance of vacuum tube collector 6.When photovoltaic and photothermal suitching type beam condensing unit moves to folding position, speculum epimere 2 and speculum hypomere 3 realize different reflection functions respectively, and gap does not affect its respective continuity, therefore can not cause shade on photovoltaic cell component 4 surface.
Photovoltaic and photothermal suitching type beam condensing unit method of work of the present utility model is as follows.Apparatus for real time tracking follows the tracks of the sun, ensures that light 7-10 is parallel to device center line 11 all the time incident.
When photovoltaic and photothermal suitching type beam condensing unit is in initial position, incident ray 7-10 through two-part cambered surface speculum 1 reflecting focal of parabolically structure in parabolical focus, also be vacuum tube collector 6 central point, convert solar energy into heat energy, stored by heat accumulation working medium, can meet industry or life heat or heat accumulation demand.When the length of photovoltaic and photothermal suitching type beam condensing unit or quantity reach certain scale, the heat accumulation working medium obtaining high temperature can be used for heat generating.The photovoltaic cell component 5 be positioned at below vacuum tube collector 6 is blocked, and is in off position.
When photovoltaic and photothermal suitching type beam condensing unit is in folding position, the each several part of two-part cambered surface speculum 1 is no longer in same parabola, the speculum epimere 2 of two-part cambered surface speculum 1 rotates along speculum rotating shaft 4 near center line 11 direction, and the propagation path entirety of reflection ray is moved down; Speculum hypomere 3 rotates along speculum rotating shaft 4 to away from center line 11 direction, so that light secondary reflection is made it even reception to photovoltaic cell component surface, obtains stable electric power and exports.Vacuum tube collector 6 now only at the vertical irradiation of its caliber range reception to one times of sun, is in idle air drying state.The light that photovoltaic cell component 5 receives is mainly from reflection and the secondary reflection light of all directions, and the vacuum tube collector 6 being therefore positioned at top can't cause shade to photovoltaic cell component 5.
When the heat production of needs device or when carrying out heat generating, around speculum rotating shaft 4 rotating mirror epimere 2 and speculum hypomere 3, go to initial position point spacing fixing, it is made to be in operating state shown in Fig. 2: the two-part cambered surface speculum 1 of the left and right sides forms a parabola, and the center of vacuum tube collector 6 overlaps with parabolical focus.It is incident that apparatus for real time tracking guarantees that sunray is parallel to center line 11, and parallel reflected incident light converges to focus place with speculum hypomere 3 by speculum epimere 2, the heat-transfer working medium of flowing in heating, vacuum pipe heat collector 6.
When needs device carries out photovoltaic generation, around speculum rotating shaft 4 rotating mirror epimere 2 and speculum hypomere 3, go to folding position point spacing fixing, it is made to be in operating state shown in Fig. 3: the speculum epimere 2 of two-part cambered surface speculum 1 rotates 20 ° ~ 40 ° near center line 11 direction, and speculum hypomere 3 turns to erectility.It is incident that apparatus for real time tracking guarantees that sunray is parallel to center line 11, and the light being radiated at speculum epimere 2 arrives battery component 5 surface after one or many reflection, and luminous energy is converted into electric energy and exports.
When two kinds of operating states switch, except speculum rotating shaft 4 drives except the speculum epimere 2 of two-part cambered surface speculum 1 and speculum hypomere 3 rotate, the position of other each parts of device remains unchanged.
Photovoltaic and photothermal suitching type beam condensing unit of the present utility model has following advantage: structure is simple, is easy to realize, and only mirror surface rotates and just can realize switching, and do not relate to the movement of complex heat transfer pipeline or battery circuit, system reliability is high, easy to maintenance; Device is when photo-thermal and photovoltaic two states switch, and all can realize independent, efficient, parts do not block impact mutually; Parameter is adjustable flexibly, and light concentrating times, focal position, speculum two sections of proportionings etc. all can carry out specific design according to the actual requirements; Adopt photo-thermal pattern summer, peak load regulation network can be used as by heat accumulation, protection battery component can be played in order to avoid overheated effect simultaneously; Winter adopts photovoltaic mode, makes full use of the more inefficient higher characteristic of photovoltaic cell ambient temperature, and can evade that opto-thermal system pipeline heat waste in winter is large, easy freezing equivalent risk.
Claims (15)
1. a minute surface folding photovoltaic and photothermal suitching type beam condensing unit, it comprises two-part cambered surface speculum, photovoltaic cell component, vacuum tube collector and apparatus for real time tracking, it is characterized in that: described photovoltaic and photothermal suitching type beam condensing unit also comprises speculum rotating shaft, described two-part cambered surface speculum comprises speculum epimere and speculum hypomere, and described speculum epimere and described speculum hypomere are rotated by described speculum rotating shaft and connect.
2. minute surface folding photovoltaic and photothermal suitching type beam condensing unit as claimed in claim 1, it is characterized in that, described vacuum tube collector is positioned at the top of described photovoltaic cell component, and described photovoltaic cell component is positioned at below described two-part cambered surface speculum.
3. minute surface folding photovoltaic and photothermal suitching type beam condensing unit as claimed in claim 1, it is characterized in that, described photovoltaic and photothermal suitching type beam condensing unit operating state is divided into photo-thermal operating state and photovoltaic operating state.
4. minute surface folding photovoltaic and photothermal suitching type beam condensing unit as claimed in claim 2, is characterized in that, described photo-thermal operating state is the state of described photovoltaic and photothermal suitching type beam condensing unit heat production or heat generating.
5. minute surface folding photovoltaic and photothermal suitching type beam condensing unit as claimed in claim 2, it is characterized in that, described photovoltaic operating state is the state of described photovoltaic and photothermal suitching type beam condensing unit photovoltaic generation.
6. the folding photovoltaic and photothermal suitching type of the minute surface as described in any one of claim 1-4 beam condensing unit, is characterized in that, described two-part cambered surface speculum adopts coated toughened glass or reflective aluminum material to make.
7. minute surface folding photovoltaic and photothermal suitching type beam condensing unit as claimed in claim 5, is characterized in that, described speculum rotating shaft, with angle limit function, limits position and is divided into initial position and folding position.
8. minute surface folding photovoltaic and photothermal suitching type beam condensing unit as claimed in claim 7, it is characterized in that, when described two-part cambered surface speculum is positioned at described initial position, described photovoltaic and photothermal suitching type beam condensing unit is in photo-thermal operating state; When described two-part cambered surface speculum is positioned at described folding position, described photovoltaic and photothermal suitching type beam condensing unit is in photovoltaic operating state.
9. minute surface folding photovoltaic and photothermal suitching type beam condensing unit as claimed in claim 6, it is characterized in that, described folding position is that the speculum epimere of speculum rotates 20 ° ~ 40 ° along speculum axial rotary near the centerline direction of described photovoltaic and photothermal suitching type beam condensing unit, and speculum hypomere turns to erectility along speculum axial rotary away from described centerline direction.
10. minute surface folding photovoltaic and photothermal suitching type beam condensing unit as claimed in claim 7, it is characterized in that, described folding position is that the speculum epimere of speculum rotates 20 ° ~ 40 ° along speculum axial rotary near the centerline direction of described photovoltaic and photothermal suitching type beam condensing unit, and speculum hypomere turns to erectility along speculum axial rotary away from described centerline direction.
11. minute surface as claimed in claim 6 folding photovoltaic and photothermal suitching type beam condensing unit, is characterized in that, all light that described folding position ensures to be irradiated to described speculum epimere all can arrive described photovoltaic cell component surface after reflection.
12. minute surface as claimed in claim 7 folding photovoltaic and photothermal suitching type beam condensing unit, is characterized in that, all light that described folding position ensures to be irradiated to described speculum epimere all can arrive described photovoltaic cell component surface after reflection.
13. minute surface as claimed in claim 9 folding photovoltaic and photothermal suitching type beam condensing unit, it is characterized in that, the light arriving described photovoltaic cell component can be divided into again three kinds of situations: light directly arrives photovoltaic cell component surface after the individual reflection of described speculum epimere; Light arrives the hypomere of symmetrical side rearview mirror after the reflection of described speculum epimere, is arrived described photovoltaic cell component surface after secondary reflection again; Light is surperficial to described photovoltaic cell component without the direct vertical incidence of reflection.
14. minute surface as claimed in claim 10 folding photovoltaic and photothermal suitching type beam condensing unit, it is characterized in that, the light arriving described photovoltaic cell component can be divided into again three kinds of situations: light directly arrives photovoltaic cell component surface after the individual reflection of described speculum epimere; Light arrives the hypomere of symmetrical side rearview mirror after the reflection of described speculum epimere, is arrived described photovoltaic cell component surface after secondary reflection again; Light is surperficial to described photovoltaic cell component without the direct vertical incidence of reflection.
15. minute surface as claimed in claim 7 folding photovoltaic and photothermal suitching type beam condensing unit, it is characterized in that, when photovoltaic and photothermal suitching type beam condensing unit is in described initial position, incident ray through described two-part cambered surface speculum reflecting focal in described vacuum tube collector central point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734322.9U CN205142109U (en) | 2015-09-21 | 2015-09-21 | Folding photovoltaic light hot switch formula beam condensing unit of mirror surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520734322.9U CN205142109U (en) | 2015-09-21 | 2015-09-21 | Folding photovoltaic light hot switch formula beam condensing unit of mirror surface |
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| CN205142109U true CN205142109U (en) | 2016-04-06 |
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| CN201520734322.9U Expired - Fee Related CN205142109U (en) | 2015-09-21 | 2015-09-21 | Folding photovoltaic light hot switch formula beam condensing unit of mirror surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759412A (en) * | 2016-05-03 | 2016-07-13 | 山东理工大学 | Solar light concentration system formed by 190 aspheric-surface reflectors |
-
2015
- 2015-09-21 CN CN201520734322.9U patent/CN205142109U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759412A (en) * | 2016-05-03 | 2016-07-13 | 山东理工大学 | Solar light concentration system formed by 190 aspheric-surface reflectors |
| CN105759412B (en) * | 2016-05-03 | 2020-12-01 | 山东理工大学 | Solar energy condensing system composed of 190 aspheric surface reflectors |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20180921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |