CN203068827U - Two-stage parabolic type solar energy concentrating system comprising blackbody cavity with convergence function - Google Patents
Two-stage parabolic type solar energy concentrating system comprising blackbody cavity with convergence function Download PDFInfo
- Publication number
- CN203068827U CN203068827U CN2012207541438U CN201220754143U CN203068827U CN 203068827 U CN203068827 U CN 203068827U CN 2012207541438 U CN2012207541438 U CN 2012207541438U CN 201220754143 U CN201220754143 U CN 201220754143U CN 203068827 U CN203068827 U CN 203068827U
- Authority
- CN
- China
- Prior art keywords
- blackbody chamber
- type solar
- artificial
- stage parabolic
- reflection mirror
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Landscapes
- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model relates to a two-stage parabolic type solar energy concentrating system comprising a blackbody cavity with a convergence function. The two-stage parabolic type solar energy concentrating system comprising the blackbody cavity with the convergence function is mainly composed of a reflector and a cavity type evacuated collector tube, the reflector comprises a main reflector and an auxiliary reflector which are connected through a support, the main reflector is formed integrally, and the converging face of the main reflector and the converging face of the auxiliary reflector are coated with high-reflectance coatings. The cavity type evacuated collector tube is mainly composed of a manual blackbody cavity outer shell and a pipe type heat absorber set, wherein an entrance port is formed in the manual blackbody cavity outer shell, and the manual blackbody cavity outer shell is positioned between the main reflector and the auxiliary reflector. The reflecting surface of the auxiliary reflector is an elliptical face, the focal point of the elliptical face and the focal point of the main reflector coincide, and the lower focal point of the elliptical face is positioned in the center of the manual blackbody cavity outer shell. The defects that a one-stage parabolic type converging face is low in intensity, difficult in machining technique and large in mirror face error, and heat convection losses among the manual blackbody cavity, the pipe type heat absorbers and the environment are large are overcome.
Description
Technical field
The utility model relates to the solar concentrating system field, is specifically related to contain the two-stage parabolic type groove type solar condenser system of aggregation feature blackbody chamber.
Background technology
Solar energy resources has widely distributed, aboundresources, advantage such as inexhaustible.Although the solar radiation gross energy is huge, the energy-flux density that arrives earth exoatmosphere edge is lower, only is 1367W/m
2About.Because the CO in the atmosphere
2, particles such as steam and dust effects such as absorption, decay, the energy-flux density that arrives earth surface is lower.In visibility be under the 22km clear sky, the solar radiation energy-flux density of the earth surface of mid latitudes only is 600～800W/m
2Because the energy-flux density of solar energy resources is lower, must make the solar energy converging of low energy-flux density on less heat-transfer surface to improve energy-flux density by the technology of converging.Common aggregation technique has: slot type, dish formula, tower etc.Be that the operating temperature of the hot switch technology of advanced solar energy high temperature of representative can reach 1500K with solar energy water-splitting hydrogen production, solar heat propelling etc., in addition higher, but cost and cost are very high.Conventional single-stage lens system is because optically focused can't satisfy the solar energy high temperature heat utilization than factor such as low.
Document [1] (application number: 201210046835.1, name is called: based on the solar collector of groove type paraboloid speculum and artificial black matrix) application for a patent for invention in a kind of solar collector based on groove type paraboloid speculum and artificial black matrix has been proposed, to reach the purpose that improves condenser system optically focused ratio.Yet, one-level parabolic type slot type in the document [1] face that converges is kept at a certain distance away by two principal reflection mirrors and forms, be a big parabolic type to be converged the face center open a gap in process of production, so in actual production process, can bring problems, as: one-level parabolic type converge face intensity reduction, increased the difficulty of processing technology and increased condenser system minute surface error etc.In addition, the artificial blackbody chamber that proposes in the document [1] is because the effect of opening can strengthen the heat convection loss between artificial blackbody chamber, tubular type heat dump and environment.
The utility model content
The utility model is intended to address the above problem, the two-stage parabolic type groove type solar that contains aggregation feature blackbody chamber condenser system is provided, it has overcome the one-level parabolic type and has converged that face intensity is low, processing technology is difficult and the minute surface error is big, drawbacks such as the heat convection loss between artificial blackbody chamber, tubular type heat dump and environment is big, its technical scheme that adopts is as follows:
The two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber, mainly formed by speculum and cavity type vacuum heat collection pipe group two parts, described speculum comprises principal reflection mirror and secondary speculum, described principal reflection mirror is connected by support with secondary speculum, described principal reflection mirror is integrally formed, and converging of described principal reflection mirror and secondary speculum all scribbles highly reflective coatint on the face;
Described cavity type vacuum heat collection pipe group mainly is made up of artificial blackbody chamber shell and the tubular type heat dump group that is arranged in the artificial blackbody chamber shell, and described artificial blackbody chamber cover top portion has the entrance port;
Described artificial blackbody chamber shell is between principal reflection mirror and secondary speculum;
Described secondary mirror reflection surface is an ellipsoid, focus overlaps with porime focus on its ellipsoid, focus is positioned at artificial blackbody chamber shell center under the ellipsoid, incident sun light beam after secondary speculum will converge through principal reflection mirror carries out secondary reflection again, finally focuses on the tubular type heat dump group that is arranged in artificial blackbody chamber shell.
On the technique scheme basis, described entrance port is that compound parabolic is planar.
On the technique scheme basis, the width of described entrance port is 3%～5% of artificial blackbody chamber housing diameter.
On the technique scheme basis, place, described entrance port is equipped with the optical window that contains wide band gap semiconducter selective permeation coating.
On the technique scheme basis, the internal face of described artificial blackbody chamber shell scribbles highly reflective coatint.
On the technique scheme basis, described highly reflective coatint is vacuum aluminum-coated coating or polishing evaporated film silver coating.
On the technique scheme basis, described wide band gap semiconducter is tin ash, three indium oxides or stannic acid cadmium.
On the technique scheme basis, this two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber also comprises rotating mechanism and solar tracking device, described rotating mechanism actuated mirror is rotated, when described solar tracking device changes at sunshine signal receiver perception optic angle, send instruction to controller, the rotation of control rotating mechanism stops when arriving over against position of sun.
On the technique scheme basis, described cavity type vacuum heat collection pipe group is static all the time with respect to ground.
The utlity model has following advantage: do not increase extra processing technology, principal reflection mirror intensity height, advantage that the minute surface error is little thereby need not to have at principal reflection mirror center cracking seam, the entrance port is the planar function that converges the incident sunshine again that reaches of compound parabolic; The entrance port width be artificial blackbody chamber housing diameter 3%～5% to reach the purpose that reduces the cavity reflection loss, when entrance port place was equipped with the optical window that contains wide band gap semiconducter selective permeation coating and can guarantees optical window to the solar radiation permeability, the heat radiation that tubular type heat dump group is sent reflected back in the artificial blackbody chamber shell cavity and reduces tubular type heat dump group to environmental radiation heat exchange loss and reduce heat convection loss between artificial blackbody chamber and environment.
Description of drawings
Fig. 1: structural representation of the present utility model;
Fig. 2: the structure for amplifying schematic diagram of cavity type vacuum heat collection pipe group described in the utility model;
Symbol description:
1. principal reflection mirror, 2. secondary speculum, 3. support, 4. artificial blackbody chamber shell, 5. tubular type heat dump group, 6. entrance port, 7. optical window.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and example:
As depicted in figs. 1 and 2, the two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber of present embodiment, mainly formed by speculum and cavity type vacuum heat collection pipe group two parts, described speculum comprises principal reflection mirror 1 and secondary speculum 2, described principal reflection mirror 1 is connected by support 3 with secondary speculum 2, described principal reflection mirror 1 is integrally formed, and converging of described principal reflection mirror 1 and secondary speculum 2 all scribbles highly reflective coatint on the face;
Described cavity type vacuum heat collection pipe group mainly is made up of artificial blackbody chamber shell 4 and the tubular type heat dump group 5 that is arranged in the artificial blackbody chamber shell 4, and described artificial blackbody chamber shell 4 tops have entrance port 6;
Described artificial blackbody chamber shell 4 is between principal reflection mirror 1 and secondary speculum 2;
Described secondary speculum 2 reflectings surface are an ellipsoid, and focus overlaps with principal reflection mirror 1 focus on its ellipsoid, and focus is positioned at artificial blackbody chamber shell 4 centers under the ellipsoid.Incident sun light beam after secondary speculum 2 will converge through principal reflection mirror 1 carries out secondary reflection again, finally focuses on the tubular type heat dump group 5 that is arranged in artificial blackbody chamber shell 4.
Preferably, described entrance port 6 is that compound parabolic is planar, and the planar entrance port 6 of compound parabolic can reach the function that converges the incident sunshine, and how much converge than being 5～10.
Preferably, the width of described entrance port 6 is 3%～5% of artificial blackbody chamber shell 4 diameters.
Preferably, 6 places, described entrance port are equipped with the optical window 7 that contains wide band gap semiconducter selective permeation coating, contain wide band gap semiconducter selective permeation coating and in the solar radiation wave band, have high transmission low reflectivity when, and have low transmittance and high reflectance at the infra-red radiation wave band.Therefore, the optical window 7 that contains wide band gap semiconducter selective permeation coating is when keeping transparent cap rock to the solar radiation permeability, and the heat radiation that tubular type heat dump group 5 is sent reflects back in artificial blackbody chamber shell 4 cavitys and reduces tubular type heat dump group 5 to environmental radiation heat exchange loss and reduce heat convection loss between artificial blackbody chamber and environment.
Preferably, the internal face of described artificial blackbody chamber shell 4 scribbles highly reflective coatint.
Preferably, described highly reflective coatint is vacuum aluminum-coated coating or polishing evaporated film silver coating.
Preferably, described wide band gap semiconducter is tin ash, three indium oxides or stannic acid cadmium.
Further, also comprise rotating mechanism and solar tracking device, described rotating mechanism actuated mirror is rotated, when described solar tracking device changes at sunshine signal receiver perception optic angle, send instruction to controller, the rotation of control rotating mechanism stops when arriving over against position of sun.
Further again, described cavity type vacuum heat collection pipe group is static all the time with respect to ground, it can directly be connected with ground by frame, so tubular type heat dump group 5 in the process of the whole tracking sun, remain motionless to overcome the heat dump in traditional condenser system because the shortcomings such as causing leakage of moving.
With way of example the utility model is illustrated above, but the utility model is not limited to above-mentioned specific embodiment, all any change or modification of doing based on the utility model all belong to the claimed scope of the utility model.
Claims (9)
1. the two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber, mainly formed by speculum and cavity type vacuum heat collection pipe group two parts, it is characterized in that: described speculum comprises principal reflection mirror (1) and secondary speculum (2), described principal reflection mirror (1) is connected by support (3) with secondary speculum (2), described principal reflection mirror (1) is integrally formed, and converging of described principal reflection mirror (1) and secondary speculum (2) all scribbles highly reflective coatint on the face;
Described cavity type vacuum heat collection pipe group mainly is made up of artificial blackbody chamber shell (4) and the tubular type heat dump group (5) that is arranged in the artificial blackbody chamber shell (4), and described artificial blackbody chamber shell (4) top has entrance port (6);
Described artificial blackbody chamber shell (4) is positioned between principal reflection mirror (1) and the secondary speculum (2);
Described secondary speculum (2) reflecting surface is an ellipsoid, focus overlaps with principal reflection mirror (1) focus on its ellipsoid, focus is positioned at artificial blackbody chamber shell (4) center under the ellipsoid, incident sun light beam after secondary speculum (2) will converge through principal reflection mirror (1) carries out secondary reflection again, finally focuses on the tubular type heat dump group (5) that is arranged in artificial blackbody chamber shell (4).
2. the two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber according to claim 1 is characterized in that: described entrance port (6) are planar for compound parabolic.
3. the two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber according to claim 2, it is characterized in that: the width of described entrance port (6) is 3%～5% of artificial blackbody chamber shell (4) diameter.
4. according to claim 1, the 2 or 3 described two-stage parabolic type groove type solar condenser systems that contain the aggregation feature blackbody chamber, it is characterized in that: described entrance port (6) locate to be equipped with the optical window (7) that contains wide band gap semiconducter selective permeation coating.
5. the two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber according to claim 1, it is characterized in that: the internal face of described artificial blackbody chamber shell (4) scribbles highly reflective coatint.
6. contain the two-stage parabolic type groove type solar condenser system of aggregation feature blackbody chamber according to claim 1 or 5, it is characterized in that: described highly reflective coatint is vacuum aluminum-coated coating or polishing evaporated film silver coating.
7. the two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber according to claim 4, it is characterized in that: described wide band gap semiconducter is tin ash, three indium oxides or stannic acid cadmium.
8. the two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber according to claim 1, it is characterized in that: also comprise rotating mechanism and solar tracking device, described rotating mechanism actuated mirror is rotated, when described solar tracking device changes at sunshine signal receiver perception optic angle, send instruction to controller, the rotation of control rotating mechanism stops when arriving over against position of sun.
9. the two-stage parabolic type groove type solar condenser system that contains the aggregation feature blackbody chamber according to claim 8, it is characterized in that: described cavity type vacuum heat collection pipe group is static all the time with respect to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207541438U CN203068827U (en) | 2012-12-27 | 2012-12-27 | Two-stage parabolic type solar energy concentrating system comprising blackbody cavity with convergence function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207541438U CN203068827U (en) | 2012-12-27 | 2012-12-27 | Two-stage parabolic type solar energy concentrating system comprising blackbody cavity with convergence function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203068827U true CN203068827U (en) | 2013-07-17 |
Family
ID=48767606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207541438U Expired - Fee Related CN203068827U (en) | 2012-12-27 | 2012-12-27 | Two-stage parabolic type solar energy concentrating system comprising blackbody cavity with convergence function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203068827U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185403A (en) * | 2012-12-27 | 2013-07-03 | 中国石油大学(华东) | Two-stage parabolic type slot solar energy concentrating system provided with blackbody cavity with converging function |
| CN103256190A (en) * | 2013-04-15 | 2013-08-21 | 成都航天烽火精密机电有限公司 | Solar power generating system |
| CN106352563A (en) * | 2016-10-19 | 2017-01-25 | 青海聚光高新科技有限公司 | Concentrating photothermal system and photoelectric and photothermal cogeneration module comprising same |
| CN106498431A (en) * | 2016-12-30 | 2017-03-15 | 中国石油大学(华东) | A kind of disc type solar energy coupling SOEC electrolytic hydrogen productions equipment and hydrogen production process |
-
2012
- 2012-12-27 CN CN2012207541438U patent/CN203068827U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185403A (en) * | 2012-12-27 | 2013-07-03 | 中国石油大学(华东) | Two-stage parabolic type slot solar energy concentrating system provided with blackbody cavity with converging function |
| CN103256190A (en) * | 2013-04-15 | 2013-08-21 | 成都航天烽火精密机电有限公司 | Solar power generating system |
| CN103256190B (en) * | 2013-04-15 | 2015-04-08 | 成都航天烽火精密机电有限公司 | Solar power generating system |
| CN106352563A (en) * | 2016-10-19 | 2017-01-25 | 青海聚光高新科技有限公司 | Concentrating photothermal system and photoelectric and photothermal cogeneration module comprising same |
| CN106498431A (en) * | 2016-12-30 | 2017-03-15 | 中国石油大学(华东) | A kind of disc type solar energy coupling SOEC electrolytic hydrogen productions equipment and hydrogen production process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102620442B (en) | Solar heat collector based on groove type parabolic mirror and artificial blackbody | |
| CN101806502B (en) | Solar energy collecting system of heliostat | |
| CN203068827U (en) | Two-stage parabolic type solar energy concentrating system comprising blackbody cavity with convergence function | |
| CN101697032B (en) | Compound paraboloid condenser | |
| CN201360011Y (en) | Multi-functional solar spectrum utilization device | |
| CN101923209A (en) | Light harvesting device | |
| CN102082195A (en) | Automatic-tracking double paraboloids light-concentrating, power-generating and heating system | |
| CN201278040Y (en) | Novel concentrating solar energy collecting device | |
| CN108508586A (en) | Inflate non-imaged sunlight collector | |
| CN104143954B (en) | It is a kind of suitable for photovoltaic and the non-track type concentrator of photo-thermal | |
| US20140048117A1 (en) | Solar energy systems using external reflectors | |
| CN101329112A (en) | Central receiving type high temperature solar heat collecting system of light funnel light gathering orienting light transmission | |
| CN104048429B (en) | A kind of for high temperature cavity type thermal-collecting tube in slot type collecting system | |
| CN105042885A (en) | Concentrating type flat-plate solar collector | |
| CN103185403A (en) | Two-stage parabolic type slot solar energy concentrating system provided with blackbody cavity with converging function | |
| CN115060009A (en) | Triple reflection solar condenser | |
| CN102081223B (en) | Solar photovoltaic L type condenser | |
| CN107461943B (en) | A kind of paraboloid formula evacuated collector tube | |
| US11774142B2 (en) | Double-line focusing solar energy collection apparatus | |
| CN205048752U (en) | Concentrating type flat -plate solar collector | |
| CN201903186U (en) | Solar energy stove | |
| CN204329362U (en) | A kind of for high temperature cavity type thermal-collecting tube in slot type collecting system | |
| CN101509707B (en) | Concentration type solar water heater (rotating object lens at upper and the insulated cabinet at lower) | |
| CN208887130U (en) | A kind of photovoltaic and photothermal integral device and solar energy composite utilize power station | |
| CN203298514U (en) | Efficient solar vacuum tube collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |