CN103712357B - Utilize the heat pipe of solar energy evacuated optically focused - Google Patents
Utilize the heat pipe of solar energy evacuated optically focused Download PDFInfo
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- CN103712357B CN103712357B CN201310741150.3A CN201310741150A CN103712357B CN 103712357 B CN103712357 B CN 103712357B CN 201310741150 A CN201310741150 A CN 201310741150A CN 103712357 B CN103712357 B CN 103712357B
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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
Abstract
The present invention relates to a kind of heat pipe utilizing solar energy evacuated optically focused, comprise collecting end of heat and the release end of heat of heat pipe, it is characterized in that: collecting end of heat comprises outer tube and the central tube of concentration inverse light panel and one end open, refrigerant is placed in the central tube of sealing, outer tube is glass tube, outer tube openend is provided with can the metal end of axial deformation, the inside of outer tube is vacuum-sealed cavity, central tube and the outer coaxial tube heart are arranged, 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.
Description
Technical field
The present invention relates to a kind of heat pipe, especially a kind of heat pipe utilizing solar energy evacuated optically focused.
Background technology
Heat leakage is interpreted as gaseous exchange, mass transfer and radiation three kinds of modes 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 the metal vacuum thermal-collecting tube by glass and metal tube compound.
Although metal vacuum thermal-collecting tube can as the desirable thermal source of the one of the heat absorbing end of heat pipe, also there are some technological deficiencies in disclosed efficient metal vacuum heat collection pipe at present, such as:
CN102278832A Chinese patent literature discloses high-temperature heat-collection pipe and preparation method thereof in a kind of internal light-focusing solar, it is positioned in vacuum chamber by reflecting plate 3 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 in middle high-temperature heat-collection pipe, the internal layer of vacuum chamber contacts with high-temperature region, skin is positioned at extraneous place, in product work process, the ectonexine temperature difference is general all more than 4-5 times, very easily the forming stress in their joint portion and concentrate of the internal and external layers of glass of vacuum chamber, make the joint portion of internal and external layers of glass damaged, thus lose the technical advantage being stoped internal high temperature district externally dissipate heat by vacuum.
CN202521925U Chinese patent literature discloses high-temperature heat-collection pipe in a kind of interior optically focused bearing type solar energy, mainly be positioned processing method in vacuum chamber for reflecting plate by elastic bracket complicated, reflecting plate is moved in the annular seal space built by glass outer pipe outside vacuum chamber, this structure does not solve because the ectonexine temperature difference in middle high-temperature heat-collection pipe is general all more than 4-5 times equally, very easily form stress to concentrate in the joint portion of vacuum tube internal and external layers of glass, 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 is applied in heat pipe, and the practical problem of the above-mentioned defect certainly existed, is improved structure, obtains a kind of heat pipe utilizing solar energy evacuated optically focused newly.
The object of the present invention is achieved like this: a kind of heat pipe utilizing solar energy evacuated optically focused, comprise collecting end of heat and the release end of heat of heat pipe, it is characterized in that: collecting end of heat comprises outer tube and the central tube of concentration inverse light panel and one end open, refrigerant is placed in the central tube of sealing, outer tube is glass tube, outer tube openend is provided with can the metal end of axial deformation, the inside of outer tube is vacuum-sealed cavity, central tube and the outer coaxial tube heart are arranged, 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 the inventive solutions, described metal end is solidified as a whole by fusion sealing or the mode of hot sealing and outer tube opening portion, and welded seal is passed through in when central tube stretches out vacuum-sealed cavity and the joint portion of metal end.
In the inventive solutions, described outer pipe surface plating AR film, described central tube is metal tube, and the heat absorbing end of central tube scribbles absorbing film.
In the inventive solutions, described concentration inverse light panel cross section is that the focusing board of two panels symmetry is put together, and two focusing boards all focus on the axis of central tube heat absorbing end.
In the inventive solutions, in reflecting condensation plate, the sectional curve of focusing board is circular arc, parabola, involute and the mutual combination between them.
In the inventive solutions, outer tube openend can the metal end of axial deformation be can valve material.
In the inventive solutions, outer tube openend the metal end of axial deformation can 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, close after described sealing plate welds with the central tube stretching out vacuum-sealed cavity.
The invention has the advantages that: because vacuum chamber adopts unlike material by outer tube, central tube, the openend of outer tube is can valve material, or expansion of metal bellows, the central tube heat absorbing end that temperature is higher and the lower outer tube intersection of temperature are by being cushioned by valve material, absorb energy, their joint portion can not be caused to ftracture, guarantee vacuum heat-insulation effect; Due to outer pipe surface plating AR film, described central tube is metal tube, and central tube heat absorbing end scribbles absorbing film, can improve the light transmission of outer tube and the heat absorption capacity of central tube heat absorbing end; Due to reflecting condensation plate is arranged in the vacuum layer between outer tube and central tube, reserved enough distances between wall and central tube outer wall within the outer tube, the dimension scale of reflecting condensation plate and central tube diameter (digital reflex solar panel receives the end face of sunlight and the diameter of central tube diameter) in vacuum layer is changed by design, namely can form target and focus on ratio, the not only compact conformation of equipment, system is also easily fairly simple, and heat absorption conductive pipe can obtain required 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.
Detailed description of the invention
The nonrestrictive concrete structure disclosing 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 one end open, refrigerant 8 is placed in the central tube of sealing, outer tube 6 is glass tube, outer tube 6 openend is provided with can the metal end 3 of axial deformation, the inside of outer tube 6 forms vacuum-sealed cavity 9, central tube and outer tube 6 concentric are arranged, 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 is solidified as a whole by fusion sealing or the mode of hot sealing 4 and outer tube 6 opening portion, 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 section is that the focusing board of two panels symmetry is put together, and two focusing boards all focus on the axis of central tube heat absorbing end 7.Described outer tube 6 openend can the metal end 3 of axial deformation be can valve material.
During concrete enforcement, described outer tube 6 plated surface AR film, described central tube is metal tube, and 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.
What the embodiment of Fig. 3 and the difference of Fig. 1 were only outer tube 6 openend can the metal end 3 of axial deformation, as seen from Figure 3, the metal end 3 of axial deformation can comprise 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, by being connected with outer tube 6 by valve metal pipe 11, seals after described sealing plate welds with the central tube stretching out vacuum-sealed cavity 9.
Claims (4)
1. one kind utilizes the heat pipe of solar energy evacuated optically focused, comprise collecting end of heat and the release end of heat of heat pipe, it is characterized in that: collecting end of heat comprises outer tube and the central tube of concentration inverse light panel and one end open, refrigerant is placed in the central tube of sealing, outer tube is glass tube, outer tube openend is provided with can the metal end of axial deformation, the inside of outer tube is vacuum-sealed cavity, central tube and the outer coaxial tube heart are arranged, and vacuum-sealed cavity is stretched out in one end, central tube in vacuum-sealed cavity is the collecting end of heat 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 concentration inverse light panel cross section is that the focusing board of two panels symmetry is put together, and two focusing boards all focus on the axis of central tube collecting end of heat, and the focus point of concentration inverse light panel is positioned at the axis of central tube collecting end of heat,
Outer tube openend the metal end of axial deformation can 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, by being connected with outer tube by valve metal pipe, seals after described sealing plate welds with the central tube stretching out vacuum-sealed cavity;
In described concentration inverse light panel, the sectional curve of focusing board is circular arc, parabola, involute and the mutual combination between them.
2. the heat pipe utilizing solar energy evacuated optically focused according to claim 1, it is characterized in that: described metal end is solidified as a whole by fusion sealing or the mode of hot sealing and outer tube opening portion, 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 utilizing solar energy evacuated optically focused according to claim 1, is characterized in that: described outer pipe surface plating AR film, described central tube is metal tube, and the collecting end of heat of central tube scribbles absorbing film.
4., according to the heat pipe utilizing solar energy evacuated optically focused one of claim 1-3 Suo Shu, it is characterized in that: outer tube openend can the metal end of axial deformation for can valve material.
Priority Applications (1)
| 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 |
|---|---|
| CN103712357A CN103712357A (en) | 2014-04-09 |
| CN103712357B true 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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Families Citing this family (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 |
| CN108826715B (en) * | 2018-08-13 | 2023-05-23 | 内蒙古工业大学 | Stepped phase-change energy storage medium-high temperature straight-through heat collecting pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| 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 |
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- 2013-12-30 CN CN201310741150.3A patent/CN103712357B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN103712357A (en) | 2014-04-09 |
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