CN203024441U - Groove type solar energy two-time light concentration even heat collection heat-electricity integrated device - Google Patents
Groove type solar energy two-time light concentration even heat collection heat-electricity integrated device Download PDFInfo
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- CN203024441U CN203024441U CN2012207049320U CN201220704932U CN203024441U CN 203024441 U CN203024441 U CN 203024441U CN 2012207049320 U CN2012207049320 U CN 2012207049320U CN 201220704932 U CN201220704932 U CN 201220704932U CN 203024441 U CN203024441 U CN 203024441U
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- 239000010409 thin film Substances 0.000 claims abstract description 11
- 230000005494 condensation Effects 0.000 claims description 17
- 238000009833 condensation Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- Y02E10/44—Heat exchange systems
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Abstract
The utility model discloses a two-groove type solar energy two-time light concentration even heat collection heat-electricity integrated device. The device comprises a vacuum heat collecting pipe, a two-time reflector support frame, a heat collecting pipe support frame, a main reflector frame, a heat collecting device support frame, a main reflector, a thin film solar energy battery and a two-time reflector. The main reflector is fixed on the main reflector frame, the vacuum heat collecting pipe is connected with the main reflector frame through the heat collecting device support frame, and the two-time reflector is connected with the main reflector frame through symmetrical supporting of the two-time reflector support frame. The main reflector is reasonably arranged with the two-time reflector in space, so that even heating on the outer surface of the heat collecting pipe is achieved. The thin film solar energy battery is attached to the back of the two-time reflector, so that heat-electricity integrated utilization is achieved, and efficiency of the system is improved.
Description
Technical field
The utility model relates to helioplant, relates in particular to the even thermal-arrest thermoelectric integrated device of groove type solar secondary condensation.
Background technology
Solar energy is a kind of cleaning, the continuable energy.In solar thermal utilization, often need to improve the input density of unit are solar energy, satisfy the Conversion of Energy under specified conditions.Therefore, solar thermal utilization need adopt beam condensing unit.Optically focused mode commonly used has three kinds, i.e. butterfly optically focused, tower optically focused, slot light collection.Wherein solar groove type light and heat collection reflection unit has a very wide range of applications in industrial practice.
The groove type solar technology is as the highest solar energy heat utilization technology of commercialization degree, and its shortcoming is that the solar energy utilization ratio is not high, is no more than 16%.The DSG technology is as a direction of groove type solar high-efficient development, and this technology is to utilize slot-type optical collector heating thermal-collecting tube, and water leads to the other end from an end of thermal-collecting tube, directly produces steam in thermal-collecting tube, then obtains steam through a vapor-liquid separating device.This technology has been cancelled the heating agent in traditional slot type solar steam generation technique, has reduced simultaneously heat-exchanger rig, provides cost savings.Chinese patent 201110004634.0 has proposed a kind of Natural Circulation groove type solar collecting system.The common ground that this technical characterstic and DSG technology exist: the moving boiling heat transfer phenomena of stream-liquid two-phase flow namely occurs in the working medium thermal-collecting tube.Existing slot light collection characteristics are the heating of local optically focused, and the method must cause the problems such as the inhomogeneities of thermal-arrest intraductal heat transfer and pressure oscillation, causes the circumferential excessive temperature differentials of thermal-collecting tube, and security of system is constituted a latent danger.
Chinese patent 201020196495.7 " with the trough heat collection of secondary light condensing device " arranges symmetry by prop up top of the trellis at thermal-collecting tube secondary condensation mirror reaches the more sunlight of collection, increase the purpose of thermal-collecting tube optically focused ratio, but still can't realize the homogeneous heating of thermal-collecting tube.So in the optimization system structure, realize the thermal-collecting tube homogeneous heating, the aspects such as raising system run all right still have the space of further lifting.
Simultaneously, adopt the thermoelectric integral technology, can more take full advantage of solar energy, further improve the solar energy utilization ratio of system.
Summary of the invention
The purpose of this utility model is to overcome the problems referred to above, provides a kind of groove type solar secondary condensation even thermal-arrest thermoelectric integrated device.
For achieving the above object, the utility model is by the following technical solutions:
The even thermal-arrest thermoelectric integrated device of groove type solar secondary condensation comprises principal reflection mirror, principal reflection mirror mirror holder, vacuum heat collection pipe, thermal-collecting tube support, secondary reflection mirror, secondary reflection mirror support.Principal reflection mirror is fixed on the principal reflection mirror mirror holder, and vacuum heat collection pipe is connected with the principal reflection mirror mirror holder by the thermal-collecting tube support, and the secondary reflection mirror is connected with the principal reflection mirror mirror holder by secondary reflection mirror support symmetric support.
Described principal reflection mirror is paraboloidal mirror, and the secondary reflection mirror is hyperbolic cylindrical lenses or intends hyperbolic cylindrical lenses.The real axis of secondary reflection mirror and the symmetry axis of principal reflection mirror are on the same straight line.The length L 1 of described thermal-collecting tube support and the length L 2 of secondary reflection mirror support realize that the axle center of vacuum heat collection pipe is positioned at the position of center line of the secondary condensation light belt of light focusing band of principal reflection mirror and secondary reflection mirror, one time light focusing band width D 1 is the twice of the diameter d of vacuum heat collection pipe, secondary condensation light belt width D 2 equals the diameter d of vacuum heat collection pipe, and making can the homogeneous heating thermal-collecting tube with the light through the secondary reflection mirror through the light of primary mirror reflects.Thin-film solar cells is posted at the aforesaid secondary reflection mirror back side.
The utility model compared with prior art has following beneficial effect:
(1) a part of incident sunshine directly heats thermal-collecting tube by primary mirror reflects optically focused, some incident ray is after the main reflective mirror of process, pass through again the secondary reflection mirror, light is finally focused on thermal-collecting tube, realize that thermal-collecting tube manages the homogeneous heating of outer wall entirely.Thermal-collecting tube is under the thermally equivalent condition all the time, and in heating process, thermal-collecting tube internal temperature, pressure oscillation reduce, and collecting efficiency raises simultaneously, has improved the stability of whole system operation.Simultaneously, under the semicanal heating condition, the thermal-collecting tube inequality of being heated can be brought than larger thermal stress under full pipe heating condition.The utility model has overcome this defective, has improved the long-term reliability of operation of system.
(2) because arranging of secondary reflection mirror inevitably blocked a part of sunray, so at the back side of secondary reflection mirror, thin-film solar cells is installed, can avoid by opto-electronic conversion the waste of this part solar energy.When trough heat collection was arranged in parallel on a large scale, effect was remarkable.
Description of drawings
Fig. 1 is the structural representation of the even thermal-arrest thermoelectric integrated device of groove type solar secondary condensation mirror holder part;
Fig. 2 is secondary condensation schematic diagram of the present utility model;
In figure: vacuum heat collection pipe 1, secondary reflection mirror 2, principal reflection mirror 3, thermal-collecting tube support 4, thin-film solar cells 5, heat collector support 6, secondary reflection mirror support 7, principal reflection mirror mirror holder 8.
The specific embodiment
As shown in Figure 1 and Figure 2, the even thermal-arrest thermoelectric integrated device of groove type solar secondary condensation comprises vacuum heat collection pipe 1, secondary reflection mirror 2, principal reflection mirror 3, thermal-collecting tube support 4, thin-film solar cells 5, heat collector support 6, secondary reflection mirror support 7, principal reflection mirror mirror holder 8.Principal reflection mirror 3 is fixed on principal reflection mirror mirror holder 8.Vacuum heat collection pipe 1 is connected with principal reflection mirror mirror holder 8 by thermal-collecting tube support 4, and secondary reflection mirror 2 is connected with principal reflection mirror mirror holder 8 by secondary reflection mirror support 7 symmetric support.Principal reflection mirror 3 is paraboloidal mirror, and secondary reflection mirror 2 is hyperbolic cylindrical lenses or intends hyperbolic cylindrical lenses.The symmetry axis of the real axis of secondary reflection mirror 2 and principal reflection mirror 3 is on the same straight line.The length L 1 of thermal-collecting tube support 4 and the length L 2 of secondary reflection mirror support 7 realize that the axle center of vacuum heat collection pipe 1 is positioned at the position of center line of the secondary condensation light belt of light focusing band of principal reflection mirror 3 and secondary reflection mirror 2, one time light focusing band width D 1 is the twice of the diameter d of vacuum heat collection pipe 1, and the secondary condensation light belt width D 2 of secondary reflection mirror 2 equals the diameter d of vacuum heat collection pipe 1.Thin-film solar cells is posted at the secondary reflection mirror back side.
The course of work of the present utility model is as follows:
Solar light irradiation is on principal reflection mirror 3, and wherein a part is gathered in sunshine on vacuum heat collection pipe 1 through reflecting directly.Another part reflexes to secondary reflection mirror 2, then through secondary reflection, sunshine is gathered on vacuum heat collection pipe 1.Also have the sub-fraction sunshine because stopping of secondary reflection mirror can not arrive principal reflection mirror 6, these light are radiated at thin-film solar cells 5 surfaces, produce electric energy by photoelectric effect.
The utility model is by introducing the secondary reflection structure in existing groove type solar heat collector, by parabolic mirror and hyperbolic cylindrical lenses reasonable Arrangement spatially, sunshine process secondary reflection concentrating to vacuum heat collection pipe, has been realized the thermally equivalent of thermal-collecting tube outer surface.Thereby both improved the stability of whole system operation, and made again the suffered thermal stress of thermal-collecting tube than little under semicanal heating condition, strengthened the reliability of system under long-term operation.Simultaneously, when when being arranged in parallel trough heat collection on a large scale, the thin-film solar cells at the secondary reflection mirror back side can realize photovoltaic generation.
Claims (3)
1. the even thermal-arrest thermoelectric integrated device of groove type solar secondary condensation, is characterized in that comprising vacuum heat collection pipe (1), secondary reflection mirror (2), principal reflection mirror (3), thermal-collecting tube support (4), thin-film solar cells (5), heat collector support (6), secondary reflection mirror support (7), principal reflection mirror mirror holder (8); Principal reflection mirror (3) is fixed on principal reflection mirror mirror holder (8); Vacuum heat collection pipe (1) is connected with principal reflection mirror mirror holder (8) by thermal-collecting tube support (4); Secondary reflection mirror (2) is connected with principal reflection mirror mirror holder (8) by secondary reflection mirror support (7) symmetric support; Thin-film solar cells (5) is installed at secondary reflection mirror (2) back side.
2. the even thermal-arrest thermoelectric integrated device of a kind of groove type solar secondary condensation according to claim 1, it is characterized in that principal reflection mirror (3) is paraboloidal mirror, secondary reflection mirror (2) is hyperbolic cylindrical lenses or plan hyperbolic cylindrical lenses, and the real axis of secondary reflection mirror (2) overlaps with the symmetry axis of principal reflection mirror (3).
3. according to claim a kind of even thermal-arrest thermoelectric integrated device of groove type solar secondary condensation, the length L 2 that it is characterized in that the length L 1 of thermal-collecting tube support (4) and secondary reflection mirror support (7) realizes that the axle center of vacuum heat collection pipe (1) is positioned at the position of center line of the secondary condensation light belt of light focusing band of principal reflection mirror (3) and secondary reflection mirror (2), a light focusing band width D 1 of principal reflection mirror (3) is the twice of the diameter d of vacuum heat collection pipe (1), the secondary condensation light belt width D 2 of secondary reflection mirror (2) equals the diameter d of vacuum heat collection pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207049320U CN203024441U (en) | 2012-12-19 | 2012-12-19 | Groove type solar energy two-time light concentration even heat collection heat-electricity integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207049320U CN203024441U (en) | 2012-12-19 | 2012-12-19 | Groove type solar energy two-time light concentration even heat collection heat-electricity integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203024441U true CN203024441U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207049320U Expired - Fee Related CN203024441U (en) | 2012-12-19 | 2012-12-19 | Groove type solar energy two-time light concentration even heat collection heat-electricity integrated device |
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| Country | Link |
|---|---|
| CN (1) | CN203024441U (en) |
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2012
- 2012-12-19 CN CN2012207049320U patent/CN203024441U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| 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: 20130626 Termination date: 20141219 |
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| EXPY | Termination of patent right or utility model |