CN204665702U - A kind of solar thermal collector - Google Patents
A kind of solar thermal collector Download PDFInfo
- Publication number
- CN204665702U CN204665702U CN201520351619.7U CN201520351619U CN204665702U CN 204665702 U CN204665702 U CN 204665702U CN 201520351619 U CN201520351619 U CN 201520351619U CN 204665702 U CN204665702 U CN 204665702U
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- CN
- China
- Prior art keywords
- solar thermal
- thermal collector
- absorber plate
- transparent cover
- cover plate
- 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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- 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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- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model discloses a kind of solar thermal collector, comprise shell, absorber plate, transparent cover plate; It is characterized in that: described shell is the U-shaped groove that inside is filled with insulation material; Described absorber plate is arranged in the groove of this U-shaped groove; Described transparent cover plate is fixedly installed on the top of described U-shaped groove, and described transparent cover plate is arc.The utility model efficiently solves the Dead Core Problems of transparent cover plate and solar thermal collector junction, while increasing glazed area and light transmittance, also improve absorber plate and the inner alkali resistance to water quality of drainpipe, acid resistance and salt fog resistance, and then promote the effectiveness of performance of solar thermal collector.
Description
Technical field
The utility model relates to a kind of solar thermal collector, belongs to technical field of renewable energy sources.
Background technology
Solar water heating system is a kind of hot-water supply system utilizing solar radiant energy to produce hot water, compared with providing hot water, utilizes solar heat conversion to provide hot water to have very large advantage with other energy or mode.Solar energy is regenerative resource, and clean; There is provided hot water with coal or electricity, not only efficiency is lower, also consumes fossil energy, brings environmental pollution.Therefore, utilize solar energy Substitute For Partial conventional energy resource to provide hot water, the current energy-saving and emission-reduction carried out energetically are of great practical significance.
The solar thermal utilization industry development of China is swift and violent, and market prospects are very wide; Wherein, solar thermal collector absorbs solar radiant energy and is delivered to heat transfer medium, is the core component of solar water heating system, plays key effect to the performance of solar water heating system.
In China, the heat collector of the solar water heating system of current use is mostly flat-plate solar heat collector, and absorber plate to be flat-plate solar heat collector absorb solar radiant energy and to the critical component of heat transfer medium transferring heat, the performance of absorber plate directly affects the efficiency of solar thermal collector, and transparent cover plate is tabular on the flat-plate solar heat collector used now, and transparent cover plate and solar thermal collector shell junction are right angle, windage is large, right angle easily leaves dust, affects sunshine transmitance after overstocking for a long time; Simultaneously, absorber plate transfers heat to the water in comb with heat exchange pattern, within the scope of normal temperature, the capacity of heat transmission of metal is far above nonmetallic capacity of heat transmission, therefore, the general metal that adopts is as the base material of absorber plate, but common metal absorber plate is when the area that alkali water quality is higher uses, common metal absorber plate is perishable, finally causes the effectiveness of performance of solar thermal collector to decline.
Summary of the invention
For solving the deficiencies in the prior art, the utility model provides a kind of solar thermal collector; Described heat collector transparent cover plate two ends and solar thermal collector shell maintain an equal level, and this transparent cover plate is arc, reduce windage, not easily leave dust, meanwhile, increase glazed area and light transmittance.
The technical scheme that the utility model adopts is:
A kind of solar thermal collector, comprises shell, absorber plate, transparent cover plate; It is characterized in that: described shell is the U-shaped groove that inside is filled with insulation material; Described absorber plate is arranged in the groove of this U-shaped groove; Described transparent cover plate is fixedly installed on the top of described U-shaped groove, and described transparent cover plate is arc.
Further, state absorber plate and comprise drainpipe; Heat absorbing coating is coated with at the outer surface of absorber plate; This heat absorbing coating is black solar energy absorbing coating, and this coating can make the solar absorptance of absorber plate bring up to more than 90%, thus significantly improves the endothermic effect of heat collector; Described absorber plate material is metallic aluminium, and described absorber plate drainpipe internal spray has fluorocarbon coating; Greatly can improve the inner alkali resistance to water quality of drainpipe, acid resistance and salt fog resistance like this, ensure that aluminium matter absorber plate drainpipe is not corroded when various water quality area uses; Described absorber plate be wing pipe type, tube-sheet type, flat box type in any one; And described absorber plate and U-shaped bottom portion of groove be arranged in parallel, be connected with U-shaped groove two ends after two ends are upturned; Absorber plate is arranged in an appropriate manner between U-shaped groove and transparent cover plate, and makes absorber plate with better angular absorption solar energy.
Further, described arc transparent cover plate minimum point and absorber plate spacing 20-30mm; Described transparent cover plate material is safety glass; Have solar transmission than high, thermal conductivity factor is little, impact strength is high, can stand the impact of hail.
Further, described insulation material is rock wool or mineral wool; Have that thermal conductivity factor is little, not yielding, water imbibition is little, high temperature resistant, do not decompose, be convenient to install, lower-price characteristic; The bottom of described shell and the thickness of edge heat-insulation layer are 80-120mm; Reduce solar thermal collector towards periphery environment heat loss through conduction loss, to improve the collecting efficiency of solar thermal collector; Its thickness suitably can also increase and minimizing according to the environment temperature of territory of use; Described enclosure material is steel or aluminium, ensure that the strength and stiffness of shell; And described case surface is coated with fluorocarbon coating, guarantee service life and alkali resistance, acid resistance and the salt fog resistance of solar thermal collector.
Further, described transparent cover plate and shell adopt sealing ring, sealing strip and fluid sealant to carry out encapsulation process successively; To improve the sealing of shell.
The beneficial effects of the utility model are: on solar thermal collector, adopt arc transparent cover plate, efficiently solve the Dead Core Problems of transparent cover plate and solar thermal collector junction, meanwhile, increase glazed area and light transmittance; Further, absorber plate adopts aluminium, and absorber plate drainpipe internal spray has fluorocarbon coating, greatly can improve the inner alkali resistance to water quality of drainpipe, acid resistance and salt fog resistance, and then promote the effectiveness of performance of solar thermal collector.
accompanying drawing illustrates:
Fig. 1 is the utility model overall structure sectional view;
Fig. 2 is the utility model absorber plate wing pipe type drain structure sectional view;
In figure, Main Reference Numerals implication is as follows:
1, shell, 2, insulation material, 3, absorber plate, 4, drainpipe, 5, heat absorbing coating, 6, transparent cover plate.
detailed description of the invention:
Below in conjunction with accompanying drawing, concrete introduction is done to the utility model.
As shown in Figure 1 and Figure 2: the present embodiment is a kind of solar thermal collector, shell 1, absorber plate 3, transparent cover plate 6 is comprised; Described shell 1 is the U-shaped groove that inside is filled with insulation material 2; Described absorber plate 3 is arranged in the groove of this U-shaped groove; Described transparent cover plate 6 is fixedly installed on the top of described U-shaped groove, and described transparent cover plate 6 is arc.
Further, described in the present embodiment, absorber plate 3 comprises drainpipe 4; Heat absorbing coating 5 is coated with at the outer surface of absorber plate 3; This heat absorbing coating 5 is black solar energy absorbing coating, and this coating can make the solar absorptance of absorber plate 3 bring up to more than 90%, thus significantly improves the endothermic effect of heat collector; Described absorber plate 3 material is metallic aluminium, and described absorber plate 3 drainpipe 4 internal spray has fluorocarbon coating; Greatly can improve drainpipe 4 inside like this to the alkali resistance of water quality, acid resistance and salt fog resistance, ensure that aluminium matter absorber plate 3 drainpipe 4 is not corroded when various water quality area uses; Described in the present embodiment, absorber plate 3 is wing pipe type; Certainly, absorber plate 3 also can adopt tube-sheet type or flat box type; And described absorber plate 3 be arranged in parallel with U-shaped bottom portion of groove, is connected after two ends are upturned with U-shaped groove two ends; Absorber plate 3 is arranged in an appropriate manner between U-shaped groove and transparent cover plate 6, and makes absorber plate 3 with better angular absorption solar energy.
Further, arc transparent cover plate 6 minimum point described in the present embodiment and absorber plate 3 spacing 20mm, can certainly as required design pitch between 20-30mm; Described transparent cover plate 6 material is safety glass; Have solar transmission than high, thermal conductivity factor is little, impact strength is high, can stand the impact of hail.
Further, described insulation material 2 is rock wool; Mineral wool etc. can certainly be adopted to have thermal conductivity factor is little, not yielding, water imbibition is little, high temperature resistant, do not decompose, be convenient to install, the insulation material of cheap multiple advantage; The bottom of described shell 1 and the thickness of edge heat-insulation layer are 80mm, also can be designed to 80-120mm according to actual needs; Reduce solar thermal collector towards periphery environment heat loss through conduction loss, to improve the collecting efficiency of solar thermal collector; Its thickness suitably can also increase and minimizing according to the environment temperature of territory of use; Described in the present embodiment, shell 1 material is steel, ensure that the strength and stiffness of shell 1; Also the materials such as aluminium can be adopted to make shell; Described shell 1 surface spraying has fluorocarbon coating, guarantees service life and alkali resistance, acid resistance and the salt fog resistance of solar thermal collector; Sealing ring, sealing strip and fluid sealant is adopted to carry out encapsulation process described in the present embodiment between transparent cover plate 6 and shell 1 successively; To improve the sealing of shell 1.
Principle of the present utility model is, solar radiation projects surface through transparent cover plate 6 and scribbles on the absorber plate 3 of high solar absorptivity coating, its energy passes to the heat-transfer working medium water in absorber plate 3 drainpipe 4 after being absorbed by absorber plate 3, coolant-temperature gage flows out solar thermal collector after raising, and the heat collection water tank being finally transported to solar water heating system stores and utilizes.
The utility model adopts arc transparent cover plate on solar thermal collector, efficiently solves the Dead Core Problems of transparent cover plate and solar thermal collector junction, meanwhile, increases glazed area and light transmittance; Further, absorber plate adopts aluminium, and absorber plate drainpipe internal spray has fluorocarbon coating, greatly can improve the inner alkali resistance to water quality of drainpipe, acid resistance and salt fog resistance, and then promote the effectiveness of performance of solar thermal collector.
The above is only the preferred embodiment of the utility model patent; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model patent principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the utility model patent.
Claims (10)
1. a solar thermal collector, comprises shell, absorber plate, transparent cover plate; It is characterized in that: described shell is the U-shaped groove that inside is filled with insulation material; Described absorber plate is arranged in the groove of this U-shaped groove; Described transparent cover plate is fixedly installed on the top of described U-shaped groove, and described transparent cover plate is arc.
2. a kind of solar thermal collector according to claim 1, is characterized in that, described absorber plate comprises drainpipe, and is coated with heat absorbing coating at the outer surface of absorber plate.
3. a kind of solar thermal collector according to claim 1 and 2, is characterized in that, described absorber plate material is metallic aluminium, and described absorber plate drainpipe internal spray has fluorocarbon coating.
4. a kind of solar thermal collector according to claim 1 and 2, is characterized in that, described absorber plate be wing pipe type, tube-sheet type, flat box type in any one; And described absorber plate and U-shaped bottom portion of groove be arranged in parallel, be connected with U-shaped groove two ends after two ends are upturned.
5. a kind of solar thermal collector according to claim 1, is characterized in that, described arc transparent cover plate minimum point and absorber plate spacing 20-30mm.
6. a kind of solar thermal collector according to claim 1, is characterized in that, described transparent cover plate material is safety glass.
7. a kind of solar thermal collector according to claim 1, is characterized in that, described insulation material is rock wool or mineral wool.
8. a kind of solar thermal collector according to claim 1, is characterized in that, the bottom of described shell and the thickness of edge heat-insulation layer are 80-120mm.
9. a kind of solar thermal collector according to claim 1, is characterized in that, described enclosure material is steel or aluminium, and described case surface is coated with fluorocarbon coating.
10. a kind of solar thermal collector according to claim 1, is characterized in that, described transparent cover plate and shell adopt sealing ring, sealing strip and fluid sealant to carry out encapsulation process successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351619.7U CN204665702U (en) | 2015-05-28 | 2015-05-28 | A kind of solar thermal collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520351619.7U CN204665702U (en) | 2015-05-28 | 2015-05-28 | A kind of solar thermal collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204665702U true CN204665702U (en) | 2015-09-23 |
Family
ID=54136079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520351619.7U Expired - Fee Related CN204665702U (en) | 2015-05-28 | 2015-05-28 | A kind of solar thermal collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204665702U (en) |
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2015
- 2015-05-28 CN CN201520351619.7U patent/CN204665702U/en not_active Expired - Fee Related
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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: 20150923 Termination date: 20160528 |