CN203224046U - Flat-plate solar collector - Google Patents
Flat-plate solar collector Download PDFInfo
- Publication number
- CN203224046U CN203224046U CN2013201447437U CN201320144743U CN203224046U CN 203224046 U CN203224046 U CN 203224046U CN 2013201447437 U CN2013201447437 U CN 2013201447437U CN 201320144743 U CN201320144743 U CN 201320144743U CN 203224046 U CN203224046 U CN 203224046U
- Authority
- CN
- China
- Prior art keywords
- plate
- collector
- flat
- medium
- solar collector
- 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 - Lifetime
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
Abstract
The utility model discloses a flat-plate solar collector, which is mainly used for solving the problems that solar collectors are small in heat transfer area and heat transfer coefficient, and poor in heat transfer effect. The flat-plate solar collector comprises a solar panel core, wherein the solar panel core comprises a panel core body, a first header and a second header. The flat-plate solar collector is characterized in that the panel core body comprises an upper panel and a lower panel; both the upper panel and the lower panel are corrugated; the lower bulges of the upper panel are in sealed and fixed connection with the upper bulges of the lower panel correspondingly one by one; a plurality of medium runners are formed between the upper panel and the lower panel; and a metal mixture dielectric film is also arranged on the outer surface of the panel core body. The flat-plate solar collector is high in heat absorbing efficiency, low in emissivity, relatively excellent in heat resistance, weather fastness, wet fastness, corrosion resistance and the like, and relatively high in adhesiveness and hardness.
Description
Technical field
The utility model relates to the solar energy utilization technique field, especially a kind of flat-plate solar collector.
Background technology
Solar energy progressively becomes the novel energy that substitutes conventional fossil energy as a kind of inexhaustible clean reproducible energy.The solar energy optical-thermal system is that maturation is suitable for, the important new energy technology of clean environment firendly, applies the solar energy optical-thermal system and increases needs, protection environment, realizes that sustainable development has important function satisfying the energy.
Domestic solar water heating system heat collector kind mainly contains plate and full glass vacuum tube type two big classes.The vacuum tube type heat collector occupies more than 90% of domestic Solar Heater Market at present.Along with new forms of energy popularize and with the enforcement of architecture-integral policy, and the progress of science and technology and development directly the promotion people to the demand of high-quality life, in urban architecture, the vacuum tube product highlights day by day in the bottleneck problem that aspects such as setting height(from bottom), safety, pressure-bearing, fouling, pipeline quality and appearance of the city construction run into.Existing flat plate collector heat transfer area is less, and heat transfer coefficient is lower, can not reach effect preferably.
The utility model content
The purpose of this utility model is to provide a kind of flat-plate solar collector, and the whole plate of this heat collector is the falling heat-transfer medium all, and whole heat absorption is also carried out the thermal cycle campaign, has higher heat output and heat transfer efficiency; Corrugated design makes the fluid also can turbulization under lower flow velocity, causes high temperature fluid bigger to the heat transfer coefficient of cryogen to tube wall and tube wall, thereby reaches higher heat transfer efficiency, and the outer surface of plate core main body also is provided with metal mixed body medium rete.This flat-plate solar collector absorptivity is higher, emissivity is lower, hear resistance, and weatherability, moisture-proof, performances such as corrosion resistance are more excellent, and have higher tack and hardness.
A kind of flat-plate solar collector comprises the solar panels core, and described solar panels core comprises plate core main body, first collector and second collector, it is characterized in that, described plate core main body comprises upper plate and lower plate; Described upper plate and lower plate are bellows-shaped, and the lower process portion of upper plate and the upper process portion of lower plate are sealedly and fixedly connected one to one, form some medium runners between upper plate and the lower plate.
Further, some medium runners in the described plate core main body are parallel to each other;
Described first collector is communicated with respectively with the bottom of each medium runner, and connection place of each medium runner and first collector put in order consistent with putting in order of each medium runner; The right-hand member of first collector is the medium inlet, the left end sealing of first collector;
Described second collector is communicated with respectively with the top of each medium runner, and connection place of each medium runner and second collector put in order consistent with putting in order of each medium runner; The left end of second collector is media outlet, the right-hand member sealing of second collector.
Further, the medium inlet of described first collector is communicated with one and prolongs pipe, and this prolongation pipe extends to the media outlet place of second collector outside plate core main body.
In addition, as further technical scheme, the cross section of described medium runner is the shape that two sections or multistage camber line and/or straight line are formed by connecting.
Wherein preferred: the cross section of described medium runner is rhombus.
Preferably: the cross section of described medium runner is oval.
Also can: the cross section of described medium runner is circular.
Preferably: described upper plate and lower plate are super-purity ferrite stainless steel.
Preferably: the outer surface of described plate core main body also is provided with metal mixed body medium rete.
The utlity model has following outstanding beneficial effect:
(1) than copper tube and fin flat plate collector plate core, the whole plate of the plate core main body of this heat collector is the falling heat-transfer medium all, and whole heat absorption is also carried out the thermal cycle campaign, and heat exchange area is bigger.
(2) heat exchange plate (being upper plate, lower plate) is gone up to the dual damascene wave amplitude, under the little condition of flow velocity, can evoke the strong turbulence of fluid; This turbulence more effectively reduces the thermal resistance of liquid film on the interface than more effectively destroy the boundary layer by the caused tubulence energy of high flow rate in general heat exchanger, and then enhancing heat transfer, improves heat transfer efficiency.
(3) thermal efficiency height, runner and be one as the flat board of heat exchange adopts once molding formedly, does not need welding, does not have in conjunction with thermal resistance.
(4) medium enters the medium runner of flat plate collector plate core on the right side, same Cheng Liudong in medium runner, and heat transfer ratio is more even.
(5) this flat-plate solar collector absorptivity is higher, emissivity is lower, hear resistance, and weatherability, moisture-proof, performances such as corrosion resistance are more excellent, and have higher tack and hardness.
Description of drawings
Accompanying drawing 1 is the structural representation of embodiment one of the plate core main body of the utility model middle plateform solar thermal collector;
Accompanying drawing 3 is structural representations of the utility model middle plateform solar thermal collector embodiment;
Accompanying drawing 4 is cross sectional representation of the plate core main body embodiment two medium runners of the utility model middle plateform solar thermal collector;
Accompanying drawing 5 is cross sectional representation of the plate core main body embodiment three medium runners of the utility model middle plateform solar thermal collector;
Description of reference numerals: 1 plate core main body, 2 upper plates, 3 lower plates, 4 lower process portions, 5 upper process portions, 6 medium inlets, 7 media outlets, 8 first collectors, 9 prolong pipe, 10 second collectors, 11 medium runners.
The specific embodiment
Embodiment one:
Shown in Fig. 1-5, a kind of flat-plate solar collector comprises the solar panels core, and described solar panels core comprises plate core main body 1, first collector 8 and second collector 10, and described plate core main body 1 comprises upper plate 2 and lower plate 3; Described upper plate 2 and lower plate 3 are super-purity ferrite stainless steel; Described upper plate 2 and lower plate 3 are bellows-shaped, and the lower process portion 4 of upper plate 2 and the upper process portion 5 of lower plate 3 are sealedly and fixedly connected one to one, form some medium runners 11 between upper plate and the lower plate.The cross section of the medium runner 11 among this embodiment is rhombus, as shown in Figure 2, so arranges, and under the little condition of flow velocity, can evoke the strong turbulence of fluid; This turbulence more effectively reduces the thermal resistance of liquid film on the interface than more effectively destroy the boundary layer by the caused tubulence energy of high flow rate in general heat exchanger, and then enhancing heat transfer, improves heat transfer efficiency.Some medium runners 11 in the described plate core main body 1 are parallel to each other.Upper plate 2 and lower plate 3 are SUS444(00Cr18Mo2 for super-purity ferrite stainless steel), super-purity ferrite stainless steel is a kind of ultra-low carbon nitrogen, contain 18% chromium and 2% molybdenum, highly corrosion resistant.Adopt this kind material, the intercrystalline corrosion after can avoiding welding.This steel grade is particularly suitable for being applied to various water treatment facilities.
As shown in Figure 3, described first collector 8 is communicated with respectively with the bottom of each medium runner 11, and connection place of each medium runner 11 and first collector 8 put in order consistent with putting in order of each medium runner; The right-hand member of first collector 8 is the left end sealing of medium inlet 6, the first collectors 8; Described second collector 10 is communicated with respectively with the top of each medium runner 11, and connection place of each medium runner 11 and second collector 10 put in order consistent with putting in order of each medium runner; The left end of second collector 10 is the right-hand member sealing of media outlet 7, the second collectors 10.Above-mentioned set-up mode, the path that makes medium circulate in heat collector equate that heat exchange fully, evenly.
The medium inlet 6 of described first collector 8 is communicated with one and prolongs pipe 9, and this prolongation pipe 9 extends to the media outlet place of second collector 10 outside plate core main body 1.Can make things convenient for like this and being connected of heat exchanger.
The outer surface of plate core main body also is provided with metal mixed body medium rete.The mixture of the sulfide that consists of chromium, chromated oxide, iron of metal mixed body medium rete, the loading of matrix surface mixture are 80%, can at utmost reduce emissivity.
Embodiment two:
This embodiment and embodiment one difference only are: the cross section of described medium runner 11 is for oval, as shown in Figure 4.All the other are all identical, repeat no more.
Embodiment three:
This embodiment and embodiment one difference only are: the cross section of described medium runner 11 is for circular, as shown in Figure 4.All the other are all identical, repeat no more.But this kind circular cross section is changing upward poor effect of media flow mode (increasing turbulence).
Because medium runner of the present utility model and medium import and export Position Design, medium is same Cheng Liudong in runner, and it is more even to conduct heat.
Flow section shape heat exchanging and resistance have very big influence, by laminar flow pipeline section shape heat exchanging in the transition region of turbulent transition bigger influence are being arranged also.
In the used corrugated channel of flat-plate solar collector of the present utility model, the cross section of medium runner is the shape that two sections or multistage camber line and/or straight line are formed by connecting, make the fluid also can turbulization under lower flow velocity, the heat transfer efficiency height, fluid is along between plate during the narrow curved channel flow, flip-flop constantly takes place in the size of speed and direction, under the little condition of flow velocity, can evoke the strong turbulence of fluid.This turbulence more effectively reduces the thermal resistance of liquid film on the interface than more effectively destroy the boundary layer by the caused tubulence energy of high flow rate in general heat exchanger.Simultaneously, this turbulence can also make fluid distribute equably at heat-transfer surface, more is conducive to heat exchange.
The performance of flat-plate solar collector of the present utility model:
Various performance indications are national standard head and shoulders above, and 200 ℃, 3000 hours, the decline of absorptivity are in 3%.The temperature tabulation that following table 1 reaches when shining for the utility model flat-plate solar collector is empty.
The temperature tabulation that table 1. sky reaches when shining
Chosen super blue membrane coat respectively, anodized coating, spray-on coating and surface passivation coating described in the utility model have been carried out absorptivity and emissivity test analysis, absorptivity: use UV visual, near infrared spectrometer UbestV-570 (Japanese optical spectroscopy), emissivity: use the red outer spectrophotometer FT/IR-460 (Japanese optical spectroscopy) of Fourier transformation, the results are shown in following table 2.
The absorption emissivity actual measured value of the different heat absorbing coatings of table 2.
Flat-plate solar collector described in the utility model is carried out a series of performance tests, the results are shown in following table 3.
Table 3. solar thermal collector performance test the results list
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any those skilled in the art are in the scope that does not break away from technical solutions of the utility model, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.
Claims (9)
1. a flat-plate solar collector comprises the solar panels core, and described solar panels core comprises plate core main body, first collector and second collector, it is characterized in that, described plate core main body comprises upper plate and lower plate; Described upper plate and lower plate are bellows-shaped, and the lower process portion of upper plate and the upper process portion of lower plate are sealedly and fixedly connected one to one, form some medium runners between upper plate and the lower plate.
2. a kind of flat-plate solar collector according to claim 1 is characterized in that, some medium runners in the described plate core main body are parallel to each other;
Described first collector is communicated with respectively with the bottom of each medium runner, and connection place of each medium runner and first collector put in order consistent with putting in order of each medium runner; The right-hand member of first collector is the medium inlet, the left end sealing of first collector;
Described second collector is communicated with respectively with the top of each medium runner, and connection place of each medium runner and second collector put in order consistent with putting in order of each medium runner; The left end of second collector is media outlet, the right-hand member sealing of second collector.
3. a kind of flat-plate solar collector according to claim 2 is characterized in that, the medium inlet of described first collector is communicated with one and prolongs pipe, and this prolongation pipe extends to the media outlet place of second collector outside plate core main body.
4. a kind of flat-plate solar collector according to claim 3 is characterized in that, the cross section of described medium runner is the shape that two sections or multistage camber line and/or straight line are formed by connecting.
5. a kind of flat-plate solar collector according to claim 4 is characterized in that, the cross section of described medium runner is rhombus.
6. a kind of flat-plate solar collector according to claim 4 is characterized in that, the cross section of described medium runner is oval.
7. a kind of flat-plate solar collector according to claim 4 is characterized in that, the cross section of described medium runner is circular.
8. a kind of flat-plate solar collector according to claim 4 is characterized in that, described upper plate and lower plate are super-purity ferrite stainless steel.
9. according to the described a kind of flat-plate solar collector of the arbitrary claim of claim 1～8, it is characterized in that the outer surface of described plate core main body also is provided with metal mixed body medium rete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201447437U CN203224046U (en) | 2013-03-28 | 2013-03-28 | Flat-plate solar collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201447437U CN203224046U (en) | 2013-03-28 | 2013-03-28 | Flat-plate solar collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203224046U true CN203224046U (en) | 2013-10-02 |
Family
ID=49251049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201447437U Expired - Lifetime CN203224046U (en) | 2013-03-28 | 2013-03-28 | Flat-plate solar collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203224046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148601A (en) * | 2013-03-28 | 2013-06-12 | 桑乐矢崎（山东）新能源有限公司 | Flat-plate solar collector and manufacturing method thereof |
| CN104180539A (en) * | 2014-08-22 | 2014-12-03 | 安徽顺达新能源科技开发有限公司 | Flat-plate solar collector |
-
2013
- 2013-03-28 CN CN2013201447437U patent/CN203224046U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148601A (en) * | 2013-03-28 | 2013-06-12 | 桑乐矢崎（山东）新能源有限公司 | Flat-plate solar collector and manufacturing method thereof |
| CN104180539A (en) * | 2014-08-22 | 2014-12-03 | 安徽顺达新能源科技开发有限公司 | Flat-plate solar collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201364057Y (en) | Spiral plate heat exchanger | |
| CN204495135U (en) | The board-like reacting replacing heat device of Novel spiral | |
| CN103148601B (en) | Flat-plate solar collector and manufacturing method thereof | |
| CN203224046U (en) | Flat-plate solar collector | |
| CN206310741U (en) | A kind of economic benefits and social benefits plate solar heat collector with the roundabout runner of parallel fins | |
| CN202382440U (en) | Solar air-and-water dual-purpose collector | |
| CN202419972U (en) | Square-pipe-type solar heat collector | |
| CN208443241U (en) | A kind of heat exchange-heat-storing device | |
| CN202281395U (en) | Solar energy air heat collector | |
| CN206037779U (en) | Novel parallel tubes formula heat exchanger | |
| CN208794752U (en) | A kind of Bulk coat high efficiency plate solar thermal collector | |
| CN203518267U (en) | Solar flat plate collector | |
| CN207797417U (en) | A kind of solar energy heating plate core | |
| CN201396970Y (en) | Flow channel structure of flat-plate solar collector plate core | |
| CN105318565B (en) | A kind of solar thermal collector | |
| CN205425938U (en) | Novel ellipsoid surface heat transfer board of improvement | |
| CN103925712A (en) | Special-plate-core split-type solar device with flat plate collector and interlayer heat exchanger | |
| CN203163288U (en) | Vacuum flat-plate solar collector and single heat absorber for same | |
| CN2695873Y (en) | Solar heat collector | |
| CN211345884U (en) | Solar energy absorber plate and house | |
| CN202648183U (en) | Snakelike-runner panel solar water heater with spray pipe | |
| CN208419283U (en) | A kind of novel pipe automobile parallel-flow evaporator | |
| CN201401992Y (en) | U-shaped heat collecting tube and solar heat collector | |
| CN209512577U (en) | A kind of internal-circulation type gas gas heat recovering heat exchanger | |
| CN207797420U (en) | A kind of solar superconducting gravity assisted heat pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.2639, Chunxuan Road, high tech Zone, Jinan City, Shandong Province, 250101 Patentee after: Shandong sangle Intelligent Equipment Co.,Ltd. Address before: 250101 room 1-2701b10, building 6, Shuntai Plaza, No. 2000, Shunhua Road, high tech Zone, Jinan, Shandong Province Patentee before: SANGLE YAZAKI (SHANDONG) NEW ENERGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131002 |
|
| CX01 | Expiry of patent term |