CN103712357A - Heat pipe using solar energy to achieve vacuum light condensation - Google Patents
Heat pipe using solar energy to achieve vacuum light condensation Download PDFInfo
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- CN103712357A CN103712357A CN201310741150.3A CN201310741150A CN103712357A CN 103712357 A CN103712357 A CN 103712357A CN 201310741150 A CN201310741150 A CN 201310741150A CN 103712357 A CN103712357 A CN 103712357A
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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
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Abstract
The invention relates to a heat pipe using solar energy to achieve vacuum light condensation. The heat pipe comprises a heat collecting end and a heat exhausting end and is characterized in that the heat collecting end comprises a light condensation reflection board, an outer pipe and a central pipe, wherein one end of the outer pipe is open, refrigerants are arranged in the sealed central pipe, the outer pipe is a glass pipe, the open end of the outer pipe is provided with a metal end cover which can deform in the axial direction, and a vacuum sealed cavity is formed in the outer pipe. The central pipe and the outer pipe are coaxially arranged, one end of the central pipe stretches out of the vacuum sealed cavity, the position, in the vacuum sealed cavity, of the central pipe is the heat collecting end, one section, outside the vacuum sealed cavity, of the central pipe is the heat exhausting end, and the heat exhausting end of the central pipe is arranged in media of a heat conductive pipeline. The light condensation reflection board is located in the vacuum sealed cavity, and the focus point of the light condensation reflection board is located on the central axis of the heat collecting end of the central pipe.
Description
Technical field
The present invention relates to a kind of heat pipe, especially a kind of heat pipe that utilizes solar energy evacuated optically focused.
Background technology
Heat leakage is interpreted as gaseous exchange, material conduction and three kinds of modes of radiation from mechanism.Thermal-collecting tube is the critical component in a kind of solar thermal collector, generally has compound glass thermal-collecting tube, collector metal pipe and by glass and the compound metal vacuum thermal-collecting tube of metal tube.
Although metal vacuum thermal-collecting tube can be used as a kind of desirable thermal source of the heat absorbing end of heat pipe,, also there are some technological deficiencies in current disclosed efficient metal vacuum heat collection pipe, for example:
CN102278832A Chinese patent literature discloses high-temperature heat-collection pipe and preparation method thereof in a kind of internal light-focusing solar, it is that reflecting plate 3 is positioned in vacuum chamber by elastic bracket 8, endothermic tube adopts metal sleeve 5, structure relative complex, process beset by troubles difficulty, although they have the higher thermal efficiency theoretically, in practice, we find, because the internal layer of vacuum chamber in middle high-temperature heat-collection pipe contacts with high-temperature region, skin is positioned at extraneous place, in product work process, the ectonexine temperature difference is generally all more than 4-5 times, very easily concentrating at their joint portion formation stress of the internal and external layers of glass of vacuum chamber, make the joint portion of internal and external layers of glass damaged, thereby having lost by vacuum stops internal high temperature district to the technical advantage of outside dissipate heat.
CN202521925U Chinese patent literature discloses high-temperature heat-collection pipe in a kind of interior optically focused bearing type solar energy, mainly by elastic bracket, to be positioned the processing method complexity in vacuum chamber for reflecting plate, reflecting plate is moved in the annular seal space being built by glass outer tube outside vacuum chamber, this structure does not solve because the ectonexine temperature difference in middle high-temperature heat-collection pipe is generally all more than 4-5 times equally, very easily in the joint portion of vacuum tube internal and external layers of glass, forming stress concentrates, make the technical problem of the joint portion breakage of internal and external layers of glass, and endothermic tube adopts metal sleeve, structure relative complex, process the practical problem of beset by troubles difficulty.
Summary of the invention
The present invention is directed to the technical scheme that above-mentioned document relates to and be applied in heat pipe, the practical problem of the above-mentioned defect certainly existing is improved structure, obtains a kind of new heat pipe that utilizes solar energy evacuated optically focused.
The object of the present invention is achieved like this: a kind of heat pipe that utilizes solar energy evacuated optically focused, the collecting end of heat and the release end of heat that comprise heat pipe, it is characterized in that: collecting end of heat comprises outer tube and the central tube of concentration inverse light panel and an end opening, refrigerant is placed in the central tube of sealing, outer tube is glass tube, outer tube openend is provided with metal end that can axial deformation, the inside of outer tube is vacuum-sealed cavity, central tube and the outer coaxial tube heart arrange, and vacuum-sealed cavity is stretched out in one end, central tube in vacuum-sealed cavity is the heat absorbing end of heat pipe, one section of central tube outside vacuum-sealed cavity is release end of heat, the release end of heat of central tube is placed in the medium of thermal conductive pipe, concentration inverse light panel is arranged in vacuum-sealed cavity, and the focus point of concentration inverse light panel is positioned at the axis of central tube heat absorbing end.
In technical scheme of the present invention, described metal end seals by fusion or mode and the outer tube peristome of hot sealing are solidified as a whole, and welded seal is passed through in when central tube stretches out vacuum-sealed cavity and the joint portion of metal end.
In technical scheme of the present invention, described outer tube plated surface AR film, described central tube is metal tube, in the heat absorbing end of central tube, scribbles absorbing film.
In technical scheme of the present invention, described concentration inverse light panel cross section is that two symmetrical focusing boards are put together, and two focusing boards all focus on the axis of central tube heat absorbing end.
In technical scheme of the present invention, in reflecting condensation plate, the sectional curve of focusing board is circular arc, parabola, involute and the mutual combination between them.
In technical scheme of the present invention, outer tube openend can axial deformation metal end be can valve material.
In technical scheme of the present invention, outer tube openend can axial deformation metal end comprise expansion of metal bellows and can valve metal pipe, one end of described expansion of metal bellows is provided with sealing plate, the other end is by being connected with outer tube by valve metal pipe, and described sealing plate is rear close with the central tube welding of stretching out vacuum-sealed cavity.
The invention has the advantages that: because vacuum chamber is to adopt unlike material by outer tube, central tube, the openend of outer tube is can valve material, or expansion of metal bellows, the lower outer tube intersection of the central tube heat absorbing end that temperature is higher and temperature is by being cushioned by valve material, absorb energy, can not cause their joint portion cracking, guarantee vacuum heat-insulation effect; Due to outer tube plated surface AR film, described central tube is metal tube, in central tube heat absorbing end, scribbles absorbing film, can improve the heat absorption capacity of light transmission and the central tube heat absorbing end of outer tube; Due to reflecting condensation plate is arranged in the vacuum layer between outer tube and central tube, between wall and central tube outer wall, reserve within the outer tube enough distances, by design, change the dimension scale of reflecting condensation plate and central tube diameter in vacuum layer (digital reflex solar panel receives the end face of sunlight and the diameter of central tube diameter), can form target and focus on ratio, the compact conformation of equipment not only, system is also fairly simple easy, and heat absorption conductive pipe can obtain needed design temperature.
Accompanying drawing explanation
Fig. 1 is a kind of example structure schematic diagram of the present invention.
Fig. 2 is the A-A schematic cross-section of Fig. 1.
Fig. 3 is another kind of example structure schematic diagram of the present invention.
In figure: 1: thermal conductive pipe; 2: release end of heat; 3: metal end, 4: fusion sealing or hot sealing; 5: concentration inverse light panel; 6. outer tube; 7: heat absorbing end: 8: refrigerant, 9, vacuum-sealed cavity, 10, expansion of metal bellows, 11, can valve metal pipe, 12, medium.
The specific embodiment
The nonrestrictive concrete structure that discloses the embodiment of the present invention of accompanying drawing, is further described the present invention below in conjunction with accompanying drawing.
From Fig. 1 and Fig. 2, the present invention includes collecting end of heat and the release end of heat 2 of heat pipe, wherein: collecting end of heat comprises outer tube 6 and the central tube of concentration inverse light panel 5 and an end opening, refrigerant 8 is placed in the central tube of sealing, outer tube 6 is glass tube, outer tube 6 openends are provided with metal end 3 that can axial deformation, the inside of outer tube 6 forms vacuum-sealed cavity 9, central tube and outer tube 6 concentric settings, and vacuum-sealed cavity 9 is stretched out in one end, central tube in vacuum-sealed cavity 9 is the heat absorbing end 7 of heat pipe, vacuum seal, one section of central tube outside 9 is release end of heat 2, the release end of heat 2 of central tube is placed in the medium 12 of thermal conductive pipe 1, concentration inverse light panel 5 is arranged in vacuum-sealed cavity 9, and the focus point of concentration inverse light panel 5 is positioned at the axis of central tube heat absorbing end 7.
In the present embodiment, described metal end 3 seals by fusion or mode and outer tube 6 peristomes of hot sealing 4 are solidified as a whole, and welded seal is passed through in when central tube stretches out the vacuum-sealed cavity 9 and joint portion of metal end 3.Described concentration inverse light panel 5 cross sections are that two symmetrical focusing boards are put together, and two focusing boards all focus on the axis of central tube heat absorbing end 7.Described outer tube 6 openends can axial deformation metal end 3 be can valve material.
During concrete enforcement, described outer tube 6 plated surface AR films, described central tube is metal tube, in the heat absorbing end 7 of central tube, scribbles absorbing film.
During concrete enforcement, in reflecting condensation plate 5, the sectional curve of focusing board is circular arc, parabola, involute and the mutual combination between them.
The embodiment of Fig. 3 and the difference of Fig. 1 be only outer tube 6 openends can axial deformation metal end 3, as seen from Figure 3, metal end 3 that can axial deformation comprises expansion of metal bellows 10 and can valve metal pipe 11, one end of described expansion of metal bellows 10 is provided with sealing plate, the other end is by being connected with outer tube 6 by valve metal pipe 11, and described sealing plate seals after welding with the central tube that stretches out vacuum-sealed cavity 9.
Claims (7)
1. a heat pipe that utilizes solar energy evacuated optically focused, the collecting end of heat and the release end of heat that comprise heat pipe, it is characterized in that: collecting end of heat comprises outer tube and the central tube of concentration inverse light panel and an end opening, refrigerant is placed in the central tube of sealing, outer tube is glass tube, outer tube openend is provided with metal end that can axial deformation, the inside of outer tube is vacuum-sealed cavity, central tube and the outer coaxial tube heart arrange, and vacuum-sealed cavity is stretched out in one end, central tube in vacuum-sealed cavity is the heat absorbing end of heat pipe, one section of central tube outside vacuum-sealed cavity is release end of heat, the release end of heat of central tube is placed in the medium of thermal conductive pipe, concentration inverse light panel is arranged in vacuum-sealed cavity, and the focus point of concentration inverse light panel is positioned at the axis of central tube heat absorbing end.
2. the heat pipe that utilizes solar energy evacuated optically focused according to claim 1, it is characterized in that: described metal end seals by fusion or mode and the outer tube peristome of hot sealing are solidified as a whole, and welded seal is passed through in when central tube stretches out vacuum-sealed cavity and the joint portion of metal end.
3. the heat pipe that utilizes solar energy evacuated optically focused according to claim 1, is characterized in that: described outer tube plated surface AR film, described central tube is metal tube, in the heat absorbing end of central tube, scribbles absorbing film.
4. the heat pipe that utilizes solar energy evacuated optically focused according to claim 1, is characterized in that: described concentration inverse light panel cross section is that two symmetrical focusing boards are put together, and two focusing boards all focus on the axis of central tube heat absorbing end.
5. the heat pipe that utilizes solar energy evacuated optically focused according to claim 4, is characterized in that: in reflecting condensation plate, the sectional curve of focusing board is circular arc, parabola, involute and the mutual combination between them.
6. according to the heat pipe that utilizes solar energy evacuated optically focused one of claim 1-5 Suo Shu, it is characterized in that: outer tube openend can axial deformation metal end for can valve material.
7. according to the heat pipe that utilizes solar energy evacuated optically focused one of claim 1-5 Suo Shu, it is characterized in that: outer tube openend can axial deformation metal end comprise expansion of metal bellows and can valve metal pipe, one end of described expansion of metal bellows is provided with sealing plate, the other end is by being connected with outer tube by valve metal pipe, and described sealing plate seals after welding with the central tube that stretches out vacuum-sealed cavity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310741150.3A CN103712357B (en) | 2013-12-30 | 2013-12-30 | Utilize the heat pipe of solar energy evacuated optically focused |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310741150.3A CN103712357B (en) | 2013-12-30 | 2013-12-30 | Utilize the heat pipe of solar energy evacuated optically focused |
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| Publication Number | Publication Date |
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| CN103712357A true CN103712357A (en) | 2014-04-09 |
| CN103712357B CN103712357B (en) | 2016-04-06 |
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| CN201310741150.3A Active CN103712357B (en) | 2013-12-30 | 2013-12-30 | Utilize the heat pipe of solar energy evacuated optically focused |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958954A (en) * | 2016-01-10 | 2017-07-18 | 张正文 | A kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame |
| CN107202438A (en) * | 2017-05-31 | 2017-09-26 | 张绰 | A kind of heated body glass tube involute surface internal focusing vacuum tube solar heat-collecting device |
| CN107576079A (en) * | 2016-06-30 | 2018-01-12 | 北京旭日晶旸太阳能科技有限公司 | A kind of light-concentrating solar heat-collection pipe |
| CN108826715A (en) * | 2018-08-13 | 2018-11-16 | 内蒙古工业大学 | A kind of step phase-change accumulation energy high temperature straight through heat collection tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495957Y (en) * | 2001-08-24 | 2002-06-19 | 徐鸿胜 | Light condensation and glass vacuum type solar energy heat collector |
| CN200993490Y (en) * | 2006-12-22 | 2007-12-19 | 张耀明 | Heat pipe type focusing vacuum heat collecting pipe |
| CN101344331A (en) * | 2008-08-27 | 2009-01-14 | 黄永定 | Light-concentration explosion-proof full glass heat pipe type solar heat collection pipe |
| CN102589168A (en) * | 2011-11-16 | 2012-07-18 | 张建城 | Line-focus solar heat collecting tube provided with hot-pressing sealing protection device |
| CN203719205U (en) * | 2013-12-30 | 2014-07-16 | 南京诚远太阳能科技有限公司 | Vacuum condensation heat pipe using solar energy |
-
2013
- 2013-12-30 CN CN201310741150.3A patent/CN103712357B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495957Y (en) * | 2001-08-24 | 2002-06-19 | 徐鸿胜 | Light condensation and glass vacuum type solar energy heat collector |
| CN200993490Y (en) * | 2006-12-22 | 2007-12-19 | 张耀明 | Heat pipe type focusing vacuum heat collecting pipe |
| CN101344331A (en) * | 2008-08-27 | 2009-01-14 | 黄永定 | Light-concentration explosion-proof full glass heat pipe type solar heat collection pipe |
| CN102589168A (en) * | 2011-11-16 | 2012-07-18 | 张建城 | Line-focus solar heat collecting tube provided with hot-pressing sealing protection device |
| CN203719205U (en) * | 2013-12-30 | 2014-07-16 | 南京诚远太阳能科技有限公司 | Vacuum condensation heat pipe using solar energy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958954A (en) * | 2016-01-10 | 2017-07-18 | 张正文 | A kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame |
| CN107576079A (en) * | 2016-06-30 | 2018-01-12 | 北京旭日晶旸太阳能科技有限公司 | A kind of light-concentrating solar heat-collection pipe |
| CN107202438A (en) * | 2017-05-31 | 2017-09-26 | 张绰 | A kind of heated body glass tube involute surface internal focusing vacuum tube solar heat-collecting device |
| CN108826715A (en) * | 2018-08-13 | 2018-11-16 | 内蒙古工业大学 | A kind of step phase-change accumulation energy high temperature straight through heat collection tube |
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| Publication number | Publication date |
|---|---|
| CN103712357B (en) | 2016-04-06 |
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