CN203132158U - Flat-plate solar collector capable of internally gathering light - Google Patents
Flat-plate solar collector capable of internally gathering light Download PDFInfo
- Publication number
- CN203132158U CN203132158U CN2013201445535U CN201320144553U CN203132158U CN 203132158 U CN203132158 U CN 203132158U CN 2013201445535 U CN2013201445535 U CN 2013201445535U CN 201320144553 U CN201320144553 U CN 201320144553U CN 203132158 U CN203132158 U CN 203132158U
- Authority
- CN
- China
- Prior art keywords
- plate
- runner
- speculum
- aluminum alloy
- fin
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
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- 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
- F24S23/80—Arrangements for concentrating solar-rays for solar heat collectors with reflectors having discontinuous faces
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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
Abstract
The utility model discloses a flat-plate solar collector capable of internally gathering light, comprising an irregular-shaped aluminium alloy frame, wherein a glass covering plate is arranged on the upper part of the irregular-shaped aluminium alloy frame; a back plate is arranged on the bottom of the irregular-shaped aluminium alloy frame; CPCs (Compound Parabolic Concentrator) are arranged between the glass covering plate and the back plate inside the irregular-shaped aluminium alloy frame; each CPC comprises a reflector, a runner and an inverted V-shaped fin; each runner is arranged on a focusing point at the central position inside the corresponding reflector; each inverted V-shaped fin is welded on the upper part of the corresponding runner; a layer of selective coating is plated on the surface of each inverted V-shaped fin; a concave back type fin is welded on the lower part of each runner; a layer of selective coating is plated on the surface of each concave back type fin; and inner heat preservation layers are filled into cavity positions among the reflectors, the irregular-shaped aluminium alloy frame and the back plate. According to the flat-plate solar collector, the heat absorbing efficiency is high, the influence of a mounting angle on heat absorption is not needed to consider, and the mounting and use are convenient.
Description
Technical field
The utility model relates to a kind of flat-plate solar collector, particularly a kind of interior light-focusing type flat-plate solar collector.
Background technology
At present, the flat-plate solar heat collector that domestic a large amount of production is used belongs to low form mostly, be mainly used in domestic hot water's supply, be difficult to satisfy the more extensive use of solar thermal utilization, particularly then inapplicable at the traditional low form solar energy in the middle high temperature field in industrial heat field.Because existing solar thermal collector daylighting area is little, collecting efficiency is low, and needs to consider setting angle for the influence of the thermal efficiency, so also can't satisfy middle high temperature field at present for the instructions for use of solar thermal collector.
The instructions for use for solar thermal collector in middle high temperature field at the user, occur a kind of compound parabolic concentrator collector Compound parabolic concentrator in the market and be called for short CPC, the CPC heat collector is a kind of beam condensing unit efficiently, different with the simple reflex of general reflector it the sunlight of accepting can be focused on the absorber, be applied to high temperature field in the solar energy more.
At above-mentioned existing problem, the problem that we need solve at present is how compound parabolic concentrator and flat-plate solar heat collector effectively to be combined, improve the thermal absorptivity of heat collector, guarantee the high efficiency of existing solar thermal collector, thereby make that installing and using of flat-plate solar heat collector is more convenient, range of application is wider, is the present problem that we need solve.
The utility model content
Technical problem to be solved in the utility model has provided a kind of interior light-focusing type flat-plate solar collector, this utility model effectively improves the collecting efficiency of solar thermal collector, and do not need too much to consider setting angle for the influence of the thermal efficiency, effectively overcome the existing little defective of heat collector daylighting area.
For solving the problems of the technologies described above, light-focusing type flat-plate solar collector in the utility model, it is characterized in that, comprise the allotype aluminum alloy framework, the top of described allotype aluminum alloy framework is provided with a glass cover-plate, described glass cover-plate is covered on the top of allotype aluminum alloy framework, the bottom of described special-shaped aluminum alloy frame is provided with backboard, described allotype aluminum alloy framework inside, be provided with the CPC concentrator between glass cover-plate and the backboard, described CPC concentrator comprises speculum, runner and inverted v-shaped fin, described runner is arranged on the focus point of speculum inside center position, described inverted v-shaped fin is welded in runner top, and the surface of inverted v-shaped fin is coated with one deck selective coating; The bottom of described runner is welded with back of the body matrix fin, and the surface of described back of the body matrix fin also is coated with one deck coating for selective absorption, and the re-entrant portion between described speculum and allotype aluminum alloy framework and the backboard also is filled with base insulating layer.
Described glass cover-plate is low iron tempering ultra-clear glasses cover plate, and the thickness of described glass cover-plate is 2.5mm～4mm.
Described speculum is composite parabolic type concentrator, the selected material of described speculum be optically focused than the aluminium base that is 1～3, be coated with one deck pottery diaphragm on the described aluminium base.
The beneficial effects of the utility model are: the compound curved surface of the speculum of light-focusing type flat-plate solar collector design in the utility model, effectively improved the collecting efficiency of solar thermal collector, can make positive irradiating light beam and oblique fire light beam all can be focused on the endothermic tube, need not tracking system, not influenced by angle of incident light, even morning or afternoon also can keep than higher absorptivity, and do not need too much to consider the setting angle influence.In addition, the back side of stream pipe is provided with the back of the body matrix fin that is coated with coating for selective absorption, so also can effectively improve the efficient that absorbs heat.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the utility model structure cutaway view;
Among the figure: 1-allotype aluminum alloy framework, 2-glass cover-plate, 3-backboard, 4-CPC concentrator, 41-speculum, 42-runner, 43-inverted v-shaped fin, 5-back of the body matrix fin, 6-base insulating layer.
The specific embodiment
As shown in Figure 1, a kind of interior light-focusing type flat-plate solar collector of the present utility model, comprise allotype aluminum alloy framework 1, the top of described allotype aluminum alloy framework 1 is provided with a glass cover-plate 2, described glass cover-plate 2 is covered on the top of allotype aluminum alloy framework 1, the bottom of described special-shaped aluminum alloy frame 1 is provided with backboard 3, described allotype aluminum alloy framework 1 inside, be provided with CPC concentrator 4 between glass cover-plate 2 and the backboard 3, described CPC concentrator 4 comprises speculum 41, runner 42 and inverted v-shaped fin 43, described runner 42 is arranged on the focus point of speculum 41 inside center positions, described inverted v-shaped fin 43 is welded in runner 42 tops, and the surface of inverted v-shaped fin 43 is coated with one deck selective coating; The bottom of described runner 42 is welded with back of the body matrix fin 5, and the surface of described back of the body matrix fin 5 also is coated with one deck coating for selective absorption, and the back of the body matrix fin 5 that is coated with coating for selective absorption can improve the efficient that absorbs heat.Re-entrant portion between described speculum 41 and allotype aluminum alloy framework 1 and the backboard 3 also is filled with base insulating layer 6.
Described glass cover-plate 2 is low iron tempering ultra-clear glasses cover plate, and the thickness of described glass cover-plate 2 is 2.5mm～4mm.It is good to hang down iron tempering ultra-clear glasses cover plate permeability, and visible light transmissivity height, visible light transmissivity can be assembled more solar energy greater than 93%, and can resist hail to impact, and be safe and reliable.
Described speculum 41 is composite parabolic type speculum, the design of composite parabolic type speculum can make positive irradiating light beam and oblique fire light beam all can be focused on the runner 42, need not tracking system, not influenced by angle of incident light, even the sunlight in morning and afternoon also can keep than higher absorptivity, do not need so when mounted too much to consider that setting angle is for the influence of absorptivity.In addition, adopt this kind composite parabolic type speculum to have higher specular reflectivity, specular reflectivity can reach 87%～88%.
Described speculum 41 selected materials be optically focused than the aluminium base that is 1～3, be coated with one deck pottery diaphragm on the described aluminium base.Purpose of design is to improve the corrosion resistance of aluminium base like this, can make reach 15～20 years the service life of aluminium base.Simultaneously, ceramic diaphragm chemical stability is good, uvioresistant, thereby kept the mirror surface highly reflective can long-term stability.
Except the described technical characterictic of specification, be the known technology of those skilled in the art.
Claims (3)
1. light-focusing type flat-plate solar collector in a kind, it is characterized in that, comprise the allotype aluminum alloy framework, the top of described allotype aluminum alloy framework is provided with a glass cover-plate, described glass cover-plate is covered on the top of allotype aluminum alloy framework, the bottom of described special-shaped aluminum alloy frame is provided with backboard, described allotype aluminum alloy framework inside, be provided with the CPC concentrator between glass cover-plate and the backboard, described CPC concentrator comprises speculum, runner and inverted v-shaped fin, described runner is arranged on the focus point of speculum inside center position, and described inverted v-shaped fin is welded in runner top, and the surface of inverted v-shaped fin is coated with one deck selective coating; The bottom of described runner is welded with back of the body matrix fin, and the surface of described back of the body matrix fin also is coated with one deck coating for selective absorption, and the re-entrant portion between described speculum and allotype aluminum alloy framework and the backboard also is filled with base insulating layer.
2. according to the described interior light-focusing type flat-plate solar collector of claim 1, it is characterized in that described glass cover-plate is low iron tempering ultra-clear glasses cover plate, the thickness of described glass cover-plate is 2.5mm～4mm.
3. according to the described interior light-focusing type flat-plate solar collector of claim 1; it is characterized in that; described speculum is composite parabolic type speculum, the selected material of described speculum be optically focused than the aluminium base that is 1～3, be coated with one deck pottery diaphragm on the described aluminium base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201445535U CN203132158U (en) | 2013-03-27 | 2013-03-27 | Flat-plate solar collector capable of internally gathering light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201445535U CN203132158U (en) | 2013-03-27 | 2013-03-27 | Flat-plate solar collector capable of internally gathering light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132158U true CN203132158U (en) | 2013-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201445535U Expired - Fee Related CN203132158U (en) | 2013-03-27 | 2013-03-27 | Flat-plate solar collector capable of internally gathering light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203132158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833112A (en) * | 2015-04-29 | 2015-08-12 | 南京星环能源科技有限公司 | Flat-plate concentrating solar heat collector |
| CN114484897A (en) * | 2022-02-22 | 2022-05-13 | 吉林大学 | Double-runner corrugated plate type solar heat collector |
-
2013
- 2013-03-27 CN CN2013201445535U patent/CN203132158U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833112A (en) * | 2015-04-29 | 2015-08-12 | 南京星环能源科技有限公司 | Flat-plate concentrating solar heat collector |
| CN114484897A (en) * | 2022-02-22 | 2022-05-13 | 吉林大学 | Double-runner corrugated plate type solar heat collector |
| CN114484897B (en) * | 2022-02-22 | 2022-10-11 | 吉林大学 | Double-flow-channel corrugated plate type solar heat collector |
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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: 20130814 Termination date: 20180327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |