CN201229073Y - Solar heat collection core, heat collector and water heater - Google Patents
Solar heat collection core, heat collector and water heater Download PDFInfo
- Publication number
- CN201229073Y CN201229073Y CNU2008200056562U CN200820005656U CN201229073Y CN 201229073 Y CN201229073 Y CN 201229073Y CN U2008200056562 U CNU2008200056562 U CN U2008200056562U CN 200820005656 U CN200820005656 U CN 200820005656U CN 201229073 Y CN201229073 Y CN 201229073Y
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- Prior art keywords
- heat
- thermal
- solar
- collecting plate
- plate
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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 solar heat-collecting core, which comprises a heat-collecting plate and a bottom board which is overlapped below the heat-collecting plate, and a water channel is arranged between the heat-collecting plate and the bottom board, the peripheries of the heat-collecting plate and the bottom board are sealed, the water channel is formed between the heat-collecting plate and the bottom board in order to directly heat up cold water in the water channel by the heat-collecting plate. In addition, the heat-collecting plate further comprises a plurality of convex portions. The utility model further provides a collector of a solar water heater and a solar water heater. The water channel of the solar heat-collecting core provided by the utility model is directly formed by the heat-collecting plate and the bottom board, wherein to-be-heated cold water thereof is directly heated up by the heat-collecting plate, thereby significantly increasing heat transfer efficiency. The light acceptance area of the heat-collecting plate is increased after arranging a plurality of convex portions on the heat-collecting plate, and thereof the photo-thermal conversion efficiency is increased, on the other hand, the arrangement of the convex portions can further increase the heat transfer area between the heat-collecting plate and cold water, thereby further increasing the heat transfer efficiency.
Description
Technical field
The utility model relates to a kind of thermal-arrest core that is used to absorb and transmit solar energy.The utility model also relates to a kind of heat collector that comprises above-mentioned thermal-arrest core, and a kind of solar water heater that comprises above-mentioned heat collector.
Background technology
Along with the raising of living standards of the people, water heater application in daily life more and more widely.
Existing water heater is divided into combustion gas, fire coal, fuel-oil water heater according to energy source, and several big classes such as electric heater.Above-mentioned combustion gas, fire coal, fuel-oil water heater consumption all are non-renewable energy resources, also cause the pollution of environment; Simultaneously, continue surging today in energy prices, the cost of use of above-mentioned combustion gas, fire coal, fuel-oil water heater is very high, has brought bigger economic pressures to the user.Because power consumption is big, electricity price also has the trend of sustainable growth, and also there is no small obstacle in the extensive use of above-mentioned electric heater.
Under this background, advantage is widely used solar water heater so that its energy clean environment firendly, cost of use be lower, easy to use etc., and this will bring significant impact to Chinese national economy and environmental protection cause.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is a kind of structural representation of typical solar water heater; Fig. 2 is the structural representation of heat collector in the prior art.
Solar water heater generally includes the heat collector 1 that absorbs solar energy and be translated into interior energy, and heat collector 1 is inclined upwardly usually and places so that receive solar energy effectively; The top of heat collector 1 is communicated with storage tank 2, and storage tank 2 is generally cylindrical shape, and its volume is much larger than the volume of heat collector 1, in order to accept and temporary hot water.Heat collector 1 and storage tank 2 support by support 3.
The heat collector 1 of solar water heater comprises and generally includes lagging casing 11 in the above-mentioned prior art, and lagging casing 11 has opening upwards, and this opening is with 12 sealings of heat insulation and transmission plate.The thermal-arrest core is set in the inner chamber of lagging casing 11, and the thermal-arrest core comprises thermal-arrest plate 13 and base plate 14, and both are provided with substantially with paralleling.Be provided with water pipe 15 between thermal-arrest plate 13 and the base plate 14, the outer wall of water pipe 15 fits tightly thermal-arrest plate 13.The two ends of water pipe 15 are communicated with water inlet pipe 16 and outlet pipe 17 respectively.
During operate as normal, sunshine sees through the outer surface of heat insulation and transmission plate 12 irradiation thermal-arrest plates 13, and is converted into energy in the thermal-arrest plate 13 at the outer surface of thermal-arrest plate 13; Because water pipe 15 fits tightly thermal-arrest plate 13, so heat can constantly pass to cold water wherein by the tube wall of water pipe 15, cold water heating the most at last.
Because it is dull and stereotyped that above-mentioned thermal-arrest plate 13 of the prior art mostly is greatly, light-receiving area is limited, and light-thermal conversion efficiency is lower; On the other hand, in the above-mentioned heating process, the heat that thermal-arrest plate 13 is obtained at first needs to pass to water pipe 15, just can pass to cold water to be heated then, so thermal resistance is bigger in this process, and the heat transfer efficiency of system is also lower.
Therefore, how to improve solar water heater in the prior art heat transfer efficiency, how to improve its light-thermal conversion efficiency, be the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of solar heat-collecting core with higher heat transfer efficiency.Another purpose of the present utility model provides a kind of heat collector that comprises above-mentioned thermal-arrest core, and a kind of solar water heater that comprises above-mentioned heat collector.
For solving the problems of the technologies described above, the utility model provides a kind of solar heat-collecting core, and the base plate that comprises the thermal-arrest plate and be stacked and placed on described thermal-arrest plate below has water stream channel between the two; The periphery sealing of described thermal-arrest plate and base plate; Described water stream channel is formed between described thermal-arrest plate and the base plate, so that cold water wherein can directly be heated by described thermal-arrest plate.
Preferably, described thermal-arrest plate comprises a plurality of lug bosses.
Preferably, the outer surface of described thermal-arrest plate is provided with spectral selective absorbing coating.
Preferably, described lug boss is a watt shape, and each lug boss is parallel to each other.
Preferably, fixedly connected with described thermal-arrest plate in the position of described base plate between two adjacent lug bosses, and described water stream channel is formed between described lug boss and the base plate.
Preferably, described lug boss is dome shape.
Preferably, fixedly connected with described thermal-arrest plate in the position of described base plate between lug boss, and described lug boss is communicated with by interface channel successively, thereby form described water stream channel between described lug boss and base plate.
The utility model also provides a kind of heat collector of solar water heater, comprises above-mentioned each described solar heat-collecting core.
The utility model also provides a kind of solar water heater, it is characterized in that, comprises above-mentioned solar heat-collecting core.
Relative above-mentioned background technology, the water stream channel of solar heat-collecting core provided by the utility model is directly formed by thermal-arrest plate and base plate, and cold water wherein to be heated can directly be heated by the thermal-arrest plate, therefore, thermal resistance reduces significantly in the heat transfer process, and heat transfer efficiency is significantly improved.In addition, after on the described thermal-arrest plate a plurality of lug bosses being set, the light-receiving area of thermal-arrest plate increases, so light-thermal conversion efficiency is improved; On the other hand, the setting of described lug boss also can increase the heat exchange area between thermal-arrest plate and the cold water, so heat transfer efficiency can further improve.Solar water heater provided by the utility model and heat collector thereof obviously also have above-mentioned advantage.
Description of drawings
Fig. 1 is the structural representation of a kind of typical solar water heater in the prior art;
Fig. 2 is the structural representation of a kind of typical heat collector in the prior art;
Fig. 3 is the structural representation of first kind of specific embodiment of solar thermal collector that the utility model provides;
Fig. 4 is the structural representation of second kind of specific embodiment of solar thermal collector that the utility model provides;
Fig. 5 is the schematic diagram of a kind of working method of solar thermal collector shown in Figure 3;
Fig. 6 is the schematic diagram of the another kind of working method of solar thermal collector shown in Figure 3;
Fig. 7 provides the structural representation of the third specific embodiment of solar thermal collector for the utility model;
Fig. 8 is the structural representation of the 4th kind of specific embodiment of solar thermal collector that the utility model provides.
The specific embodiment
The utility model core provides a kind of solar heat-collecting core with higher heat transfer efficiency.Another core of the present utility model provides a kind of heat collector that comprises above-mentioned thermal-arrest core, and a kind of solar water heater that comprises above-mentioned heat collector.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with drawings and embodiments.
Please refer to Fig. 3, Fig. 3 is the structural representation of first kind of specific embodiment of solar thermal collector that the utility model provides.
In a kind of specific embodiment, solar thermal collector 4 provided by the utility model comprises lagging casing 41, wherein fills conventional insulation material, such as polyurethane.
Thermal-arrest plate 43 is stacked and placed on the base plate 44, and both seal at a distance of suitable spacing and in the marginal portion, thereby form cavity between the two.Certainly, be connected water inlet pipe 46 and outlet pipe 47 respectively in the cavity between thermal-arrest plate 43 and the base plate 44.
Water pipe no longer is set in the above-mentioned cavity, can be water stream channel with above-mentioned cavity, thereby can make cold water directly contact the diapire of thermal-arrest plate 43 directly to wherein feeding cold water, the solar energy that thermal-arrest plate 43 is absorbed can be directly passed to cold water to be heated, so heat transfer efficiency is higher.
Please also refer to Fig. 5 and Fig. 6, Fig. 5 is the schematic diagram of a kind of working method of solar thermal collector shown in Figure 3; Fig. 6 is the schematic diagram of the another kind of working method of solar thermal collector shown in Figure 3.
Thermal-arrest plate 43 may further include main part 431 and is arranged at a plurality of lug bosses 432 that are watt shape substantially on the main part 431.
Thermal-arrest plate 43 can be with its main part 431 fixedly connected base plates 44, and both can weld in the mode of routine.Lug boss 432 is a watt shape substantially, and protrudes upward, therefore, will form the water stream channel 45 (being shown among Fig. 3) that is watt shape equally between lug boss 432 and the base plate 44.
Each bar water stream channel 45 can be in parallel in the mode of routine, as shown in Figure 5; Also can be in series, as shown in Figure 6 in the mode of routine.Dotted line among Fig. 5 and Fig. 6 has schematically shown the flow path in the described solar heat-collecting core.
As everyone knows, the factor that influences the solar water heater thermal efficiency mainly comprises the heat transference efficiency of light-thermal conversion efficiency and thermal-arrest plate, and both are subjected to the influence of the heat exchange area of thermal-arrest plate light-receiving area and thermal-arrest plate and cold water respectively.
After a plurality of lug bosses 432 were set on the thermal-arrest plate 43, the light-receiving area of thermal-arrest plate 43 enlarged markedly, and therefore above-mentioned light-thermal conversion efficiency is significantly improved, and also is that the thermal-arrest plate 43 of same size under the equal sunshine condition can produce more heat; On the other hand, because water stream channel 45 directly forms by lug boss 432 and base plate 44, so the setting of lug boss 432 also can enlarge markedly the heat exchange area between thermal-arrest plate 43 and the cold water, and heat transference efficiency can further improve.
In addition, thermal-arrest plate 43 and base plate 44 are welded in one, not only can form water stream channel 45, and can significantly increase the intensity of whole described thermal-arrest core, occur the phenomenon of bulging after avoiding the middle part of thermal-arrest plate 43 to be heated at mainboard body 431 places.
Thermal-arrest plate 43 can be selected formation such as aluminium, stainless steel for use, and the material of base plate 44 also has no special requirements, but preferably and thermal-arrest plate 43 select identical materials for use so that both welding operations.The outer surface of thermal-arrest plate 43 can also be smeared the spectral selection absorbing coating, further significantly to improve light-thermal conversion efficiency.
Please refer to Fig. 4, Fig. 4 is the structural representation of second kind of specific embodiment of solar thermal collector that the utility model provides.
Compare with above-mentioned first kind of specific embodiment, the difference of the heat collector in second kind of specific embodiment is the shape difference of base plate 44 in the thermal-arrest core.Base plate 44 can be provided with a plurality of and thermal-arrest plate 43 corresponding depressed parts, thereby water stream channel 45 is formed between lug boss 432 and the described depressed part.
Please refer to Fig. 7, Fig. 7 provides the structural representation of the third specific embodiment of solar thermal collector for the utility model.
In the third specific embodiment, the lug boss 431 of the thermal-arrest plate 43 of heat collector that the utility model provides is specially sphere shape, lug boss 431 can be uniformly distributed in the surface of thermal-arrest plate 43, cavity between thermal-arrest plate 43 and the base plate 44 can form the current cavity, and cold water is therefrom by promptly being heated.
The mainboard body 431 of thermal-arrest plate 43 can be fixedlyed connected with base plate 44,, therefore can form hemi-spherical cavities between lug boss 432 and the base plate 44 such as welding.In order to form described water stream channel, between each lug boss 431 connecting portion 433 can be set further, form interface channel between connecting portion 433 and the base plate 44, thereby connect each adjacent lug boss 432 in sequence successively by described interface channel, and then between thermal-arrest plate 43 and base plate 44, form described water stream channel.Obviously, the water stream channel shown in Fig. 7 is to be in series, and dotted line has schematically been expressed flow path among the figure.
Please refer to Fig. 8, Fig. 8 is the structural representation of the 4th kind of specific embodiment of solar thermal collector that the utility model provides.
In the 4th kind of specific embodiment, thermal-arrest plate provided by the utility model is the improvement of being done on the basis of above-mentioned the third specific embodiment, and both differences are that mainly connecting portion 433 is provided with the difference of position.Water stream channel in the 4th kind of specific embodiment is in parallel, and the dotted line among the figure has schematically been expressed flow path wherein.
Solar heat-collecting core provided by the utility model mainly comprises thermal-arrest plate 43 and base plate 44; Solar water heater provided by the utility model comprises above-mentioned each described heat collector.
More than solar heat-collecting core provided by the utility model, heat collector and solar water heater are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1, a kind of solar heat-collecting core, the base plate that comprises the thermal-arrest plate and be stacked and placed on described thermal-arrest plate below has water stream channel between the two; It is characterized in that the periphery sealing of described thermal-arrest plate and base plate; Described water stream channel is formed between described thermal-arrest plate and the base plate, so that cold water wherein can directly be heated by described thermal-arrest plate.
2, solar heat-collecting core as claimed in claim 1 is characterized in that, described thermal-arrest plate comprises a plurality of lug bosses.
3, solar heat-collecting core as claimed in claim 2 is characterized in that, described lug boss is a watt shape, and each lug boss is parallel to each other.
4, solar heat-collecting core as claimed in claim 3 is characterized in that, fixedlys connected with described thermal-arrest plate in the position of described base plate between two adjacent lug bosses, and described water stream channel is formed between described lug boss and the base plate.
5, solar heat-collecting core as claimed in claim 2 is characterized in that, described lug boss is dome shape.
6, solar heat-collecting core as claimed in claim 5, it is characterized in that, fixedly connected with described thermal-arrest plate in the position of described base plate between lug boss, described lug boss is communicated with by interface channel successively, thereby form described water stream channel between described lug boss and base plate.
7, solar heat-collecting core as claimed in claim 2 is characterized in that, the outer surface of described thermal-arrest plate is provided with spectral selective absorbing coating.
8, a kind of heat collector of solar water heater is characterized in that, comprises as each described solar heat-collecting core of claim 1 to 7.
9, a kind of solar water heater is characterized in that, comprises heat collector as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200056562U CN201229073Y (en) | 2008-04-01 | 2008-04-01 | Solar heat collection core, heat collector and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200056562U CN201229073Y (en) | 2008-04-01 | 2008-04-01 | Solar heat collection core, heat collector and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201229073Y true CN201229073Y (en) | 2009-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200056562U Expired - Fee Related CN201229073Y (en) | 2008-04-01 | 2008-04-01 | Solar heat collection core, heat collector and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201229073Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697187A (en) * | 2015-03-03 | 2015-06-10 | 梁春喜 | Stainless steel corrugated solar heat collector |
| CN106338150A (en) * | 2016-11-03 | 2017-01-18 | 何树香 | High-efficiency flat-plate solar water heater |
-
2008
- 2008-04-01 CN CNU2008200056562U patent/CN201229073Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697187A (en) * | 2015-03-03 | 2015-06-10 | 梁春喜 | Stainless steel corrugated solar heat collector |
| CN106338150A (en) * | 2016-11-03 | 2017-01-18 | 何树香 | High-efficiency flat-plate solar water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20120401 |