CN202403420U - Solar flat-plate heat collector - Google Patents

Solar flat-plate heat collector Download PDF

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Publication number
CN202403420U
CN202403420U CN2011204877300U CN201120487730U CN202403420U CN 202403420 U CN202403420 U CN 202403420U CN 2011204877300 U CN2011204877300 U CN 2011204877300U CN 201120487730 U CN201120487730 U CN 201120487730U CN 202403420 U CN202403420 U CN 202403420U
Authority
CN
China
Prior art keywords
heat
cavity
collector
heat collector
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
Application number
CN2011204877300U
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Chinese (zh)
Inventor
刘至国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boen Solar Technology Co., Ltd.
Original Assignee
CHUZHOU BOEN SOLAR TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHUZHOU BOEN SOLAR TECHNOLOGY Co Ltd filed Critical CHUZHOU BOEN SOLAR TECHNOLOGY Co Ltd
Priority to CN2011204877300U priority Critical patent/CN202403420U/en
Application granted granted Critical
Publication of CN202403420U publication Critical patent/CN202403420U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00Solar heat collectors using working fluids
    • F24S10/40Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/50Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
    • F24S80/54Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings using evacuated elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/50Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
    • F24S80/56Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings characterised by means for preventing heat loss
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

Abstract

The utility model provides a solar flat-plate heat collector, which belongs to the field of solar equipment and solves the problems that the conventional solar flat-plate heat collector has low heat collecting efficiency, heat is difficult to store and the like. The solar flat-plate heat collector comprises a shell with a cavity inside, wherein translucent glass is fixedly connected at an end port of the shell; a heat collecting cavity is formed between the translucent glass and the interior of the shell; an insulating layer and a heat collecting pipe are arranged inside the heat collecting cavity; and further, the solar flat-plate heat collector is characterized in that: the heat collecting cavity is a closed cavity; and the heat collecting cavity is filled with inert gas. The solar flat-plate heat collector has the advantages of high heat collecting efficiency, low possibility of heat loss and the like.

Description

A kind of plate solar collector
Technical field
The utility model belongs to the solar facilities field, relates to a kind of solar thermal collector, particularly a kind of plate solar collector.
Background technology
Along with the continuous scarcity of environment damage and resource, People more and more is paid attention to the utilization for regenerative resource.Solar thermal collector is to absorb solar radiation and with the device of the thermal energy transfer that produces to heat transfer medium.Flat type solar heat collector is a type of solar thermal collector, compares with other solar thermal collectors, and flat type solar heat collector has that collecting efficiency height, bearing capacity are strong, good looking appearance and being prone to and the perfect fusion of building.Common in the market flat type solar heat collector mainly is made up of several parts such as shell, transparent cover plate, absorber plate, thermal-collecting tube, thermal insulation layers; When plate type solar is worked; Solar radiation passes transparent cover plate and projects on the absorber plate; Absorber plate absorbs solar radiation and also is translated into heat energy, simultaneously via heat transfer medium with thermal energy transfer to thermal-collecting tube.
But common flat type solar heat collector exists the some shortcomings part at present.When absorbing solar radiation, absorber plate make the temperature of absorber plate raise; At this moment; The heat energy of changing at absorber plate can form convection current through heat collector inner air and outside air, causes the loss of heat, simultaneously; Heat energy also can outwards dispel the heat with modes such as radiation, thereby causes the whole collecting efficiency of heat collector low.In addition, because the hot respiration of air is prone to make heat collector inner member surface to be corroded because of oxidation.
Summary of the invention
The purpose of the utility model is to the problems referred to above that exist in the prior art, provides a kind of collecting efficiency high plate solar collector.
The purpose of the utility model can realize through following technical proposal: a kind of plate solar collector; Comprise the inner housing of cavity that is; Said housing port is fixed with transparent glass and between transparent glass and enclosure interior, forms heat collector cavity; Have heat-insulation layer and thermal-collecting tube in the described heat collector cavity, it is characterized in that, described heat collector cavity is the hermetic cavity body and in heat collector cavity, has inert gas.
Under normal conditions, along with the temperature rising of thermal-collecting tube, the heat in the thermal-collecting tube can carry out convection current through air in the heat collector cavity and outside air, causes heat to scatter and disappear.Heat collector cavity be set to the hermetic cavity body can prevent heat in the thermal-collecting tube via air in the chamber with the heat transferred outside air, improved collecting efficiency.Inert gas is steady chemical structure under usual conditions; Chemical property is torpescence very; Thermal conductivity factor is low, uses inert gas can prevent that outside air from getting into heat collector cavity, produces hot respiration and the loss that causes parts such as thermal-collecting tube to be corroded and to cause heat because of oxidation.
In above-mentioned plate solar collector, described housing sidepiece has air inlet and has at the air inlet place can be with the obstruction of its switching.
In above-mentioned plate solar collector; Said air inlet place is fixed with joint; Joint inside is for cavity and on joint, have three ports that communicate with its inner chamber; Described one of them port is communicated with heat collector cavity, and said another one port is used for linking with the inert gas charging device and being provided with check valve at this port, and the 3rd port is used for linking with vacuum extractor and being provided with check valve at this port.
Vacuum extractor can be with the heat collector cavity inside state that is evacuated, and is provided with check valve with port that this device links and can prevents that extraneous air from getting into heat collector cavity when vacuum extractor is worked.The port that links with the inert gas charging device is provided with check valve makes inert gas in heat collector cavity, to charge into, and prevents that gas from leaking.
In above-mentioned plate solar collector, also be provided with relief valve on the described joint.Joint is provided with relief valve and can charges at inert gas and contain releasing pressure automatically when causing the heat collector cavity internal pressure greater than the force value set, and the pressure in the heat collector cavity is remained on below the setting value.
In above-mentioned plate solar collector, described inert gas is an argon gas.Argon gas character is torpescence very, and it is combustion-supporting to burn yet, and often is used as protection gas, promptly plays the oxidized effect that prevents.
In above-mentioned plate solar collector, described inert gas is a neon.Neon character is torpescence very, and it is combustion-supporting to burn yet.
In above-mentioned plate solar collector, described heat-insulation layer is connected in sidepiece and the bottom in the housing.Heat-insulation layer is connected in sidepiece and the bottom in the housing, and this setting is the heat transmission between separated set heat pipe and the housing effectively, thereby has improved the utilization rate of heat energy.
In above-mentioned plate solar collector, described heat-insulation layer is a polyurethane foam material.Polyurethane foam material has excellent heat insulation property.
In above-mentioned plate solar collector, also have absorber plate in the said heat collector cavity, absorber plate between transparent glass and the thermal-collecting tube and absorber plate abut on the above-mentioned thermal-collecting tube.
Sunshine sees through transparent glass and shines into heat collector, and absorber plate absorbs sunshine and solar energy is wherein passed to thermal-collecting tube.
In above-mentioned plate solar collector, described absorber plate is an aluminum.Aluminium has good thermal conductivity and corrosion resistance, and the absorber plate that the employing aluminum is processed is transferring heat energy effectively.
In above-mentioned plate solar collector, has blue titanium coating on the described absorber plate.Blue titanium coating has efficient heat-collecting, the adeciduate advantage of high temperature, can make the heat absorption efficiency of absorber plate more efficient.
In above-mentioned plate solar collector, described transparent glass is low iron woven design safety glass.Low iron woven design safety glass has light transmittance height, few, the non-damageable characteristics of light pollution.
Compared with prior art, the inner employing of this plate solar collector seals setting, and effective heat that causes because of cross-ventilation that must prevent runs off, thereby improved the collecting efficiency of heat collector greatly.Simultaneously, the existence of inert gas not only can reduce the loss of heat, has also completely cut off outside air and has got into generation oxidation in the heat collector and make heat collector inner member surface be corroded.
Description of drawings
Fig. 1 is the structural representation of this plate solar collector.
Fig. 2 is the cut-away side view of this plate solar collector.
Among the figure, 1, housing; 2, transparent glass; 3, thermal-collecting tube; 4, heat-insulation layer; 5, inert gas; 6, absorber plate; 7, air inlet; 8, joint; 9, port; 10, check valve; 11, relief valve; 12, stop up.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As shown in Figure 1; A kind of plate solar collector comprises that inside is the housing 1 of cavity, and housing 1 port is fixed with transparent glass 2; Form heat collector cavity between transparent glass 2 and the housing 1; Be full of inert gas 5 in the heat collector cavity, and have heat-insulation layer 4 and thermal-collecting tube 3 in the heat collector cavity, heat-insulation layer 4 is connected in sidepiece and the bottom in the housing 1.Also have absorber plate 6 in the heat collector cavity, absorber plate 6 is between transparent glass 2 and thermal-collecting tube 3, and absorber plate 6 abuts on the thermal-collecting tube 3.In the present embodiment, inert gas 5 is argon gas or neon, and heat-insulation layer 4 is processed by polyurethane foam material, and absorber plate 6 adopts aluminums to process, and its surface is sprayed with blue titanium coating, and transparent glass 2 is low iron woven design safety glass.
The sidepiece of housing 1 has air inlet 7, and air inlet 7 places have can be with the obstruction 12 of its switching.Air inlet 7 places also are fixed with joint 8, and joint 8 places are provided with relief valve 11, and joint 8 is inner for having three ports 9 that communicate with its inner chamber on cavity and the joint 8.One of them port 9 is connected with heat collector cavity, and another port 9 and an inert gas charging device link and be provided with check valve 10 at port 9 places, and remaining port 9 links with vacuum extractor and is provided with check valve 10 in the port.In the present embodiment, the inert gas charging device is common inert gas bottle, and vacuum means is changed to common air-conditioning vacuum extractor.
During use; Linking to each other with the port of heat collector sidepiece with vacuum extractor earlier connects, because port 9 places are provided with check valve 10, this moment, extraneous air can't get into heat collector cavity; Vacuum extractor makes that with the heat collector cavity inside state that is evacuated heat collector cavity inside is a hermetic cavity body.Link through inert gas charging device and another port 9 then inert gas 5 is poured into heat collector cavity,, make inert gas 5 in heat collector cavity, to charge into, prevent that inert gas 5 from leaking because port 8 places are provided with check valve 10 equally.Before charging into inert gas 5; Set the force value in the heat collector cavity earlier; Charged at inert gas 5 and to contain when causing the heat collector cavity pressure inside greater than setting value, relief valve 11 was opened automatically the gas of a part was emitted this moment, made that the force value in the heat collector cavity remains on below the setting value.
Solar light irradiation through transparent glass 2, projects on the absorber plate 6 on this plate solar collector, and the absorber plate 6 that solar energy is positioned in the heat collector cavity absorbs.Because absorber plate 6 surfaces have blue titanium coating, make absorber plate 6 can absorb most of solar energy efficiently, and the absorber plate 6 that adopts aluminum to process can pass to thermal-collecting tube 3 with the energy efficient that absorbs.Behind the heat transferred thermal-collecting tube 3,, so just completely cut off the heat transmission between thermal-collecting tube 3 and the housing 1 effectively, made better storage power of thermal-collecting tube 3 because housing 1 sidepiece and bottom have heat-insulation layer 4.Inert gas 5 in the heat collector cavity can prevent that element surfaces such as absorber plate 6 or thermal-collecting tube 3 are because of the oxidized corrosion of hot respiration.Simultaneously, because being provided with, the existence of inert gas 5 and heat collector cavity sealing can prevent effectively that the heat that produces from forming the loss that convection current causes heat through air in the chamber and outside air, improved the efficient and the solar energy utilization rate of thermal-arrest greatly.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.

Claims (10)

1. plate solar collector; Comprise the inner housing of cavity (1) that is; Said housing (1) port (9) is located to be fixed with transparent glass (2) and between transparent glass (2) and housing (1) inside, is formed heat collector cavity; Have heat-insulation layer (4) and thermal-collecting tube (3) in the described heat collector cavity, it is characterized in that, described heat collector cavity is the hermetic cavity body and in heat collector cavity, has inert gas (5).
2. plate solar collector according to claim 1 is characterized in that, described housing (1) sidepiece has air inlet (7) and locates to have at air inlet (7) can be with the obstruction (12) of its switching.
3. plate solar collector according to claim 2; It is characterized in that; Described air inlet (7) locates to be fixed with joint (8); Joint (8) inside is for cavity and on joint (8), have three ports that communicate with its inner chamber (9); Described one of them port (9) is communicated with heat collector cavity, and said another one port (9) is used for linking with inert gas (5) charging device and being provided with check valve (10) at this port (9), and the 3rd port (9) is used for linking with vacuum extractor and being provided with check valve (10) at this port (9).
4. plate solar collector according to claim 3 is characterized in that, also is provided with relief valve (11) on the described joint (8).
5. according to claim 1 or 2 or 3 or 4 described plate solar collectors, it is characterized in that described inert gas (5) is an argon gas.
6. according to claim 1 or 2 or 3 or 4 described plate solar collectors, it is characterized in that described inert gas (5) is a neon.
7. according to claim 1 or 2 or 3 or 4 described plate solar collectors, it is characterized in that described heat-insulation layer (4) is connected in sidepiece and the bottom in the housing (1).
8. plate solar collector according to claim 7 is characterized in that, described heat-insulation layer (4) is a polyurethane foam material.
9. according to claim 1 or 2 or 3 or 4 described plate solar collectors; It is characterized in that; Also have absorber plate (6) in the described heat collector cavity, absorber plate (6) is positioned between transparent glass (2) and the thermal-collecting tube (3) and absorber plate (6) abuts on the above-mentioned thermal-collecting tube (3).
10. plate solar collector according to claim 9 is characterized in that, described absorber plate (6) is an aluminum.
CN2011204877300U 2011-11-30 2011-11-30 Solar flat-plate heat collector Expired - Fee Related CN202403420U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204877300U CN202403420U (en) 2011-11-30 2011-11-30 Solar flat-plate heat collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204877300U CN202403420U (en) 2011-11-30 2011-11-30 Solar flat-plate heat collector

Publications (1)

Publication Number Publication Date
CN202403420U true CN202403420U (en) 2012-08-29

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CN2011204877300U Expired - Fee Related CN202403420U (en) 2011-11-30 2011-11-30 Solar flat-plate heat collector

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102434976A (en) * 2011-11-30 2012-05-02 滁州伯恩太阳能科技有限公司 Solar flat plate heat collector
CN102943548A (en) * 2012-11-30 2013-02-27 常州大学 Construction curtain wall type flat-plate solar heat collector
CN104805941A (en) * 2015-04-29 2015-07-29 伯恩太阳能科技有限公司 Curtain wall of building

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102434976A (en) * 2011-11-30 2012-05-02 滁州伯恩太阳能科技有限公司 Solar flat plate heat collector
CN102943548A (en) * 2012-11-30 2013-02-27 常州大学 Construction curtain wall type flat-plate solar heat collector
CN104805941A (en) * 2015-04-29 2015-07-29 伯恩太阳能科技有限公司 Curtain wall of building
CN104805941B (en) * 2015-04-29 2017-04-12 伯恩太阳能科技有限公司 Curtain wall of building

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 239001 Zhaoyang Industrial Park, Chuzhou economic and Technological Development Zone, Anhui, China

Patentee after: Boen Solar Technology Co., Ltd.

Address before: 239001 Zhaoyang Industrial Park, Chuzhou economic and Technological Development Zone, Anhui, China

Patentee before: Chuzhou Boen Solar Technology Co., Ltd.

C56 Change in the name or address of the patentee

Owner name: BOEN SOLAR TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: CHUZHOU BO EN SOLAR ENERGY TECHNOLOGY CO., LTD.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120829

Termination date: 20141130

EXPY Termination of patent right or utility model