CN205066188U - High -efficient solar flat -plate heat collector who is fit for extremely cold area - Google Patents
High -efficient solar flat -plate heat collector who is fit for extremely cold area Download PDFInfo
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- CN205066188U CN205066188U CN201520733513.3U CN201520733513U CN205066188U CN 205066188 U CN205066188 U CN 205066188U CN 201520733513 U CN201520733513 U CN 201520733513U CN 205066188 U CN205066188 U CN 205066188U
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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 relates to a high -efficient solar flat -plate heat collector who is fit for extremely cold area, electroplate the aluminium shell including the recess formula, laid the heat preservation in electroplating the aluminium shell, be equipped with thermal -arrest copper pipe on the heat preservation upper berth, install the thermal -arrest fin on the upper portion of thermal -arrest copper pipe, electroplate the installation of aluminium housing opening department in the recess formula of thermal -arrest fin top and pass through glass board, interior floor height by last floor height and pass through glass board and the double -deck glass board vacuum cavity that constitutes of lateral wall all around. The utility model discloses a reduction that solar flat -plate heat collector is very big solar flat -plate heat collector's heat loss, adopt double -deck vacuum glass apron, under the prerequisite of guaranteeing the solar radiation absorption rate, solved the not problem of keeping warm of upper glass apron, the efficiency of heat collector has especially been improved at high -temperature area greatly, it improves 70% to compare traditional solar flat -plate heat collector efficiency, simultaneously, the utility model discloses a single insulation material's shortcoming has been overcome in neotype multilayer heat preservation measure, combines different insulation material's technological advantages to make the heat preservation effect outstanding.
Description
Technical field
The utility model belongs to solar energy utilization technique field, especially a kind of high-efficiency solar flat plate collector being applicable to extremely cold area.
Background technology
Solar energy, being a kind of radiant energy, not being with any chemical substance, is the cleanest, the most reliable huge energy treasure-house.Although be radiated the energy of earth surface, only have its 1/2200000000th, be also equivalent to 80,000 times of whole world generation current total amount.Solar energy, as basic power source most important in regenerative resource, refers to direct conversion and the utilization of solar energy.What by conversion equipment, solar radiant energy is converted to heat energy utilization belongs to solar energy utilization technique, utilizes the new technologies such as the solar energy power generating of the Integration ofTechnology of heat energy, solar-heating/hot water, solar refrigeration and air-conditioning, solar energy are aeration-cooling, controlled auto ignition daylighting at present; The solar energy heating technology of China progressively moves to maturity.
Flat-plate solar collector is the basic element of character of solar low-temperature heat utilization, is also the leading products of world solar markets always.Flat plate collector has been widely used in the numerous areas such as domestic water heating, natatorium heating system, water for industrial use heating, constructure heating and air-conditioning.With water heater and the flat plate solar water heater of flat-plate solar collector parts composition.As shown in Figure 1, current flat-plate solar collector is formed primarily of the saturating safety glass 1 of height, thermal-arrest copper pipe 2, thermal-arrest fin 3, Electroplating Aluminum shell 4, heat-insulation layer 5, put it briefly, sunlight is irradiated to surface through transparent cover plate and scribbles on the absorber of absorbed layer, wherein most of solar radiant energy is absorbed by absorber, change heat energy into, and be transmitted to the working medium in fluid passage.Like this, from the cold working medium of heat collector bottom inlet, in the fluid passage heat by solar energy, temperature raises gradually, the hot working fluid after heating, with the upper end outlet of useful heat energy from heat collector, stores in water storage tank stand-by, is useful energy income.The deficiencies in the prior art:
(1) Efficiency at Low Temperature is high, and high temperature poor efficiency is low, and along with the rising of the very hot temperature of heat collector, the efficiency of heat collector will fall sharply, and particularly high-temperature area difference is more obvious, and when temperature reaches more than 80, the thermal efficiency of heat collector only has 10 ~ 20%;
(2) heat loss is large, because absorber temperature raises, by transparent cover plate and shell to environment dissipated heat, forms the various heat loss of flat plate collector.
(3) thermal insulation layer many employings mineral wool or rock wool heat-preservation coefficient minimum be 0.030.03W/mK, insulation layer thickness is generally 30-50mm, and heat insulation effect is general, is ensure result of use, has requirement more, be not suitable for extremely frigid zones to outdoor environment temperature.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of high-efficiency solar flat plate collector being applicable to extremely cold area.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of high-efficiency solar flat plate collector being applicable to extremely cold area, comprise groove type Electroplating Aluminum shell, heat-insulation layer is equipped with in Electroplating Aluminum shell, heat-insulation layer is equipped with thermal-arrest copper pipe, on the top of thermal-arrest copper pipe, thermal-arrest fin is installed, groove type Electroplating Aluminum shell aperture place above thermal-arrest fin install by the double glazing unit vacuum cavity that forms of the saturating glass plate of floor height, the saturating glass plate of interior floor height and surrounding sidewall.
And, described heat-insulation layer adopts double-decker, lower floor near outer casing inner wall is the phenol formaldehyde foam heat-insulation layer of 20mm, and phenol formaldehyde foam heat-insulation layer top is the mineral wool heat-insulation layer of 40mm, the housing sidewall of thermal-arrest fin surrounding is laid the sidewall mineral wool heat-insulation layer of 40mm.
And, be coated with outer ARC and lower floor's ARC respectively in the upper and lower surface of the saturating glass plate of upper floor height, be coated with respectively with Low emissivity absorbed layer and interior ARC in the upper and lower surface of the saturating glass plate of interior floor height.
And the thickness of the saturating glass plate of described interior floor height is the 1/3-1/2 of the saturating sheet thickness of upper floor height.
And the thickness of vacuum layer is between 3mm-8mm between the saturating glass plate of interior floor height and the saturating glass plate of upper floor height.
Advantage of the present utility model and good effect are:
1, plate solar collector of the present utility model greatly reduces the heat loss of plate solar collector, adopt dual-layer vacuum glass cover plate, under the prerequisite ensureing solar radiation absorptivity, what solve upper strata glass cover-plate is not incubated problem, particularly substantially increase the efficiency of heat collector at high-temperature area, compare traditional plate solar collector efficiency and improve 70%.
2, the utility model adopts novel multi-layer heat preserving measure, overcomes the shortcoming of single insulation material, and the technical advantage in conjunction with different insulation material makes heat insulation effect outstanding.
Accompanying drawing explanation
Fig. 1 is the structural representation of current plate solar collector;
Fig. 2 is the structural representation of the utility model plate solar collector;
Fig. 3 is the structural representation of double insulation and sidewall heat-insulation layer in the utility model;
Fig. 4 is the structure for amplifying schematic diagram of the saturating glass plate of upper floor height and the saturating glass plate of interior floor height;
Fig. 5 is the collecting efficiency comparison diagram of the utility model and traditional plate solar collector.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model embodiment is further described, it is emphasized that embodiment described in the utility model is illustrative, instead of determinate, can not in this, as the restriction of the scope protected the utility model.
A kind of high-efficiency solar flat plate collector being applicable to extremely cold area, as shown in Figure 2, comprise groove type Electroplating Aluminum shell 6, groove type heat-insulation layer 5 is equipped with in Electroplating Aluminum shell, thermal-arrest copper pipe 2 is equipped with in the groove of heat-insulation layer, on the top of thermal-arrest copper pipe, thermal-arrest fin 3 is installed, after thermal-arrest fin absorbs solar heat, heat energy is passed to the heat-conduction medium in thermal-arrest copper pipe, innovative point of the present utility model is, groove type Electroplating Aluminum shell aperture place above thermal-arrest fin install by the saturating glass plate 1 of floor height, the dual-layer vacuum glass plate cavity that the saturating glass plate 4 of interior floor height and surrounding sidewall are formed.
In concrete enforcement of the present utility model, as shown in Figure 3, the heat-insulation layer laid in described shell adopts double-decker, lower floor near outer casing inner wall is the phenol formaldehyde foam heat-insulation layer 9 of 20mm, phenol formaldehyde foam heat-insulation layer top is the mineral wool heat-insulation layer 8 of 40mm, the housing sidewall of thermal-arrest fin surrounding is laid the sidewall mineral wool heat-insulation layer 7 of 40mm, adopt this bilateral insulation construction and sidewall insulation construction that the heat-insulating property of plate solar collector is improved greatly.
In concrete enforcement of the present utility model, as shown in Figure 4, be coated with outer ARC 10 and lower floor's ARC 11 respectively in the upper and lower surface of the saturating glass plate of upper floor height, be coated with respectively with Low emissivity absorbed layer 12 and interior ARC 13 in the upper and lower surface of the saturating glass plate of interior floor height
In concrete enforcement of the present utility model, the thickness of the saturating glass plate of described interior floor height is the 1/3-1/2 of the saturating sheet thickness of upper floor height, the saturating glass plate of interior floor height just plays the effect ensureing vacuum interlayer, do not consider external force situation, therefore in order to alleviate the overall weight of product, reduce costs, the thickness of the saturating glass plate of interior floor height is far below the saturating sheet thickness of upper floor height
In concrete enforcement of the present utility model, between the saturating glass plate of interior floor height and the saturating glass plate of upper floor height, the thickness of vacuum layer is between 3mm-8mm, and the selected of this thickness under insulation prerequisite, maximum possible reduction product size basis is considered.
Product contrast test
As shown in Figure 5, for traditional plate solar collector, because product adopts the high glass thoroughly of individual layer, when heat collector and circumstance of temperature difference are less than 10 degree, collecting efficiency is higher, but when heat collector and circumstance of temperature difference reach more than 80 degree, collecting efficiency is almost nil, that is thermal-arrest and heat radiation reach balance, and when the heat collector often occurred for extremely cold area and circumstance of temperature difference are 60 degree, efficiency of the present utility model is higher than traditional plate solar collector efficiency 70%.
Claims (5)
1. one kind is applicable to the high-efficiency solar flat plate collector in extremely cold area, comprise groove type Electroplating Aluminum shell, heat-insulation layer is equipped with in Electroplating Aluminum shell, heat-insulation layer is equipped with thermal-arrest copper pipe, on the top of thermal-arrest copper pipe, thermal-arrest fin is installed, it is characterized in that: groove type Electroplating Aluminum shell aperture place above thermal-arrest fin install by the double glazing unit vacuum cavity that forms of the saturating glass plate of floor height, the saturating glass plate of interior floor height and surrounding sidewall.
2. the high-efficiency solar flat plate collector being applicable to extremely cold area according to claim 1, it is characterized in that: described heat-insulation layer adopts double-decker, lower floor near outer casing inner wall is the phenol formaldehyde foam heat-insulation layer of 20mm, phenol formaldehyde foam heat-insulation layer top is the mineral wool heat-insulation layer of 40mm, the housing sidewall of thermal-arrest fin surrounding is laid the sidewall mineral wool heat-insulation layer of 40mm.
3. the high-efficiency solar flat plate collector being applicable to extremely cold area according to claim 1, it is characterized in that: be coated with outer ARC and lower floor's ARC respectively in the upper and lower surface of the saturating glass plate of upper floor height, be coated with respectively with Low emissivity absorbed layer and interior ARC in the upper and lower surface of the saturating glass plate of interior floor height.
4. the high-efficiency solar flat plate collector being applicable to extremely cold area according to claim 1, is characterized in that: the thickness of the saturating glass plate of described interior floor height is the 1/3-1/2 of the saturating sheet thickness of upper floor height.
5. the high-efficiency solar flat plate collector being applicable to extremely cold area according to claim 1, is characterized in that: between the saturating glass plate of interior floor height and the saturating glass plate of upper floor height, the thickness of vacuum layer is between 3mm-8mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520733513.3U CN205066188U (en) | 2015-09-21 | 2015-09-21 | High -efficient solar flat -plate heat collector who is fit for extremely cold area |
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| CN201520733513.3U CN205066188U (en) | 2015-09-21 | 2015-09-21 | High -efficient solar flat -plate heat collector who is fit for extremely cold area |
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| CN205066188U true CN205066188U (en) | 2016-03-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135710A (en) * | 2015-09-21 | 2015-12-09 | 天津瑞拓电子科技开发有限公司 | Efficient solar flat plate collector suitable for extremely cold area |
| CN107588555A (en) * | 2016-07-08 | 2018-01-16 | 汪洪 | A kind of system integration of super insulation solar heat collecting plate and its composition |
| CN109579319A (en) * | 2019-01-05 | 2019-04-05 | 德州金亨新能源有限公司 | A kind of cold-resistant high-efficient flat-plate type solar thermal collector of low-loss |
| CN109612128A (en) * | 2018-12-13 | 2019-04-12 | 广东五星太阳能股份有限公司 | Vacuum glas-cover board PVT solar thermal collector |
| CN112229075A (en) * | 2020-10-09 | 2021-01-15 | 于永峰 | Development method of solar heat collection plate for severe cold area |
-
2015
- 2015-09-21 CN CN201520733513.3U patent/CN205066188U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135710A (en) * | 2015-09-21 | 2015-12-09 | 天津瑞拓电子科技开发有限公司 | Efficient solar flat plate collector suitable for extremely cold area |
| CN107588555A (en) * | 2016-07-08 | 2018-01-16 | 汪洪 | A kind of system integration of super insulation solar heat collecting plate and its composition |
| CN109612128A (en) * | 2018-12-13 | 2019-04-12 | 广东五星太阳能股份有限公司 | Vacuum glas-cover board PVT solar thermal collector |
| CN109579319A (en) * | 2019-01-05 | 2019-04-05 | 德州金亨新能源有限公司 | A kind of cold-resistant high-efficient flat-plate type solar thermal collector of low-loss |
| CN112229075A (en) * | 2020-10-09 | 2021-01-15 | 于永峰 | Development method of solar heat collection plate for severe cold area |
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