CN201917113U - Solar vacuum tube - Google Patents
Solar vacuum tube Download PDFInfo
- Publication number
- CN201917113U CN201917113U CN2010206844256U CN201020684425U CN201917113U CN 201917113 U CN201917113 U CN 201917113U CN 2010206844256 U CN2010206844256 U CN 2010206844256U CN 201020684425 U CN201020684425 U CN 201020684425U CN 201917113 U CN201917113 U CN 201917113U
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- China
- Prior art keywords
- glass tube
- tube
- vacuum tube
- inner glass
- solar vacuum
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- Expired - Fee Related
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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 utility model discloses a solar vacuum tube. The utility model adopts the technical scheme that the solar vacuum tube comprises a covering glass tube and an inner glass tube. The solar vacuum tube is technically characterized in that the covering glass tube and the inner glass tube are two straight glass tubes with concentric circles, vacuum exists between the covering glass tube and the inner glass tube, both ends of the inner glass tube are opened, and more than one expansion joint is evenly distributed on the covering glass tube. The solar vacuum tube disclosed by the utility model has the beneficial effects that the expansion joints are designed on the covering glass tube, the problems of high-temperature expansion and easy breakage, existing when both ends of the inner glass tube are opened, are solved by utilizing the expansion joints, and the solar vacuum tube has the advantages of quick hot start and high heat efficiency; a sealing connection joint on a traditional solar vacuum tube is omitted in the solar vacuum tube, so that the structure is simplified, and the solar vacuum tube is not also easy to break; and under the precondition that no sealing connection joint exists, an ideal vacuum effect is achieved, the problem that the service life of the vacuum tube is shortened because of breakage at the position of the sealing connection joint is effectively avoided, and the service life of the vacuum tube is prolonged.
Description
Technical field
The utility model relates to technical field of solar, especially relates to a kind of full glass bilateral solar energy vacuum tube.
Background technology
Solar energy vacuum tube is made of cover glass tube and inner glass tube, the inner glass tube outer surface has the selective absorbing film of high-absorbility and low-launch-rate, be pumped into high vacuum between the interlayer, its shape of vacuum tube under the prior art is as an elongated inner flask, and it adopts single port, and the inside and outside mouth of pipe is given annular sealing by fusing, the other end is airtight hemispherical round end, by Spring Card support cover glass tube and inner glass tube, and can freely stretch, to cushion the stress that inner glass tube expands with heat and contract with cold and causes.Getter is housed, the gas that produces in the time of after it evapotranspires, absorbing operation, vacuum in the holding tube on the Spring Card.This traditional solar energy vacuum tube is owing to be an end opening structurally, and an end seals, and turnover was all at same end when fluid heated in pipe, can cause the fluid turnover not smooth, cold fluid and hot fluid interferes with each other in the turnover process, causes heat not take out of fully, has influenced the product thermal efficiency.Though occurred the vacuum tube of inner glass tube both ends open afterwards, solved fluid cold and hot problem of disturbing mutually in pipe, fluid can enter from inner glass tube one end, go out from the other end after taking away heat, and the vacuum tube of this structure can obtain high temperature fluid through can heating step by step by convection cell after the series connection step by step, but, this kind vacuum tube does not have expansive space when expanding, be easy to cause fragmentation, can't practical application.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art, and provide a kind of simple in structure, the thermal efficiency is high, can access the solar energy vacuum tube of high temperature fluid, the technical scheme that adopts is: a kind of solar energy vacuum tube, comprise cover glass tube and inner glass tube, it is characterized in that: described cover glass tube and inner glass tube are two straight concentric circles glass tubes, be vacuum between described cover glass tube and the inner glass tube, described inner glass tube both ends open is evenly distributed with more than one expansion joint on described cover glass tube.
The technical solution of the utility model also has: described expansion joint is outwards outstanding.
The technical solution of the utility model also has: the material of described cover glass tube and inner glass tube is Pyrex 3.3.
The technical solution of the utility model also has: scribble heat absorbing coating on the outer surface of described inner glass tube.
The technical solution of the utility model also has: described heat absorbing coating is cupric oxide, black nickel, black chromium, black zinc or black copper.
The beneficial effects of the utility model are: 1) this solar energy vacuum tube designs expansion joint on cover glass tube, the existing high temperature breakable difficult problem that expands when utilizing expansion joint to solve the inner glass tube both ends open, water flowing in the inner glass tube, air, wet goods fluid during application, use vacuum tube series connection back, can make desired substance series connection systemic circulation, solved the technical barrier that ordinary vacuum tube can not be connected, can in large-scale heat collecting engineering, desalinization, solar light-heat power-generation etc., use, have the advantage that thermal starting is fast, the thermal efficiency is high.
2) this solar energy vacuum tube has saved the sealing-in joint on traditional solar energy vacuum tube, not only simplify the structure, and be difficult for broken, under the prerequisite that does not have the sealing-in joint, reached desirable vacuum effectiveness, effectively avoided the damaged problem that shortens the vacuum tube life-span, prolonged the life-span of vacuum tube owing to sealing-in joint place.
3) this solar energy vacuum tube has saved the Spring Card structure on traditional solar energy vacuum tube, and is simple in structure, functional.
4) this solar energy vacuum tube has adopted full glass material, and the Pyrex 3.3 of employing have: the hardness height, and the external force resistance impact property is strong; The transmittance height, light transmission is good; Advantages such as the coefficient of expansion is little, and thermal stability is good.
Description of drawings
Accompanying drawing 1 is the profile schematic diagram of this solar energy vacuum tube, and accompanying drawing 2 is cutaway views of the 1st embodiment of this solar energy vacuum tube, and accompanying drawing 3 is cutaway views of the 2nd embodiment of this solar energy vacuum tube, wherein, the 1st, cover glass tube, the 2nd, inner glass tube, the 3rd, expansion joint, the 4th, heat absorbing coating.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described.This solar energy vacuum tube comprises cover glass tube 1 and inner glass tube 2, between cover glass tube 1 and the inner glass tube 2 is vacuum, cover glass tube 1 and inner glass tube 2 are two straight concentric circles glass tubes, inner glass tube 2 both ends opens, fluid flows into from an end of inner glass tube 2, the other end flows out, and is evenly distributed with more than one expansion joint 3 on cover glass tube 1, and expansion joint 3 can be the outer process of circular arc.Compare with traditional vacuum tube, this vacuum tube has saved the sealing-in joint and has still kept the vacuum effectiveness in the pipe, simplifies the structure.
Glass is the basic material of full-glass solar energy vacuum tube, performance, life-span, manufacturing process to vacuum tube play an important role, cover glass tube 1 and inner glass tube 2 have all adopted Pyrex 3.3, and Pyrex 3.3 are in the world to the standard name of linear expansion coefficient 3.3 * 10-6/ ℃ glass, why being called Pyrex, is because of SiO in this glass
2(silica) and B
2O
3Content up to about 85%.The outstanding feature of Pyrex 3.3 is: the hardness height, and the external force resistance impact property is strong; The transmittance height, light transmission is good; The coefficient of expansion is little, and thermal stability is good.
Embodiment 1: this solar energy vacuum tube comprises cover glass tube 1 and inner glass tube 2, between cover glass tube 1 and the inner glass tube 2 is vacuum, cover glass tube 1 and inner glass tube 2 are two straight concentric circles glass tubes, inner glass tube 2 both ends opens, fluid flows into from an end of inner glass tube 2, the other end flows out, and is evenly distributed with more than one expansion joint 3 on cover glass tube 1, and expansion joint 3 can be the outer process of circular arc.Scribble heat absorbing coating 4 on the outer surface of inner glass tube 2, heat absorbing coating 4 is cupric oxide, black nickel, black chromium, black zinc or black copper.
Embodiment 2: this solar energy vacuum tube comprises cover glass tube 1 and inner glass tube 2, between cover glass tube 1 and the inner glass tube 2 is vacuum, cover glass tube 1 and inner glass tube 2 are two straight concentric circles glass tubes, inner glass tube 2 both ends opens, fluid flows into from an end of inner glass tube 2, the other end flows out, and is evenly distributed with more than one expansion joint 3 on cover glass tube 1, and expansion joint 3 can be the outer process of circular arc.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model also is not limited only to above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also belong to protection domain of the present utility model.
Claims (5)
1. solar energy vacuum tube, comprise cover glass tube and inner glass tube, it is characterized in that: described cover glass tube and inner glass tube are two straight concentric circles glass tubes, be vacuum between described cover glass tube and the inner glass tube, described inner glass tube both ends open is evenly distributed with more than one expansion joint on described cover glass tube.
2. according to the described solar energy vacuum tube of claim 1, it is characterized in that: described expansion joint is outwards outstanding.
3. according to claim 1 or 2 described solar energy vacuum tubes, it is characterized in that: the material of described cover glass tube and inner glass tube is Pyrex 3.3.
4. according to claim 1 or 2 described solar energy vacuum tubes, it is characterized in that: scribble heat absorbing coating on the outer surface of described inner glass tube.
5. according to the described solar energy vacuum tube of claim 4, it is characterized in that: described heat absorbing coating is cupric oxide, black nickel, black chromium, black zinc or black copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206844256U CN201917113U (en) | 2010-12-28 | 2010-12-28 | Solar vacuum tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206844256U CN201917113U (en) | 2010-12-28 | 2010-12-28 | Solar vacuum tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917113U true CN201917113U (en) | 2011-08-03 |
Family
ID=44416907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206844256U Expired - Fee Related CN201917113U (en) | 2010-12-28 | 2010-12-28 | Solar vacuum tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201917113U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088741A1 (en) * | 2010-12-28 | 2012-07-05 | 济南鑫诺太阳能管业有限公司 | Solar vacuum tube and fabrication process therefor |
| CN103851809A (en) * | 2014-01-15 | 2014-06-11 | 李自强 | Solar heat-collecting corrugated pipe |
| CN106338149A (en) * | 2016-08-29 | 2017-01-18 | 江苏浴普太阳能有限公司 | Solar vacuum tube |
-
2010
- 2010-12-28 CN CN2010206844256U patent/CN201917113U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088741A1 (en) * | 2010-12-28 | 2012-07-05 | 济南鑫诺太阳能管业有限公司 | Solar vacuum tube and fabrication process therefor |
| CN103851809A (en) * | 2014-01-15 | 2014-06-11 | 李自强 | Solar heat-collecting corrugated pipe |
| CN106338149A (en) * | 2016-08-29 | 2017-01-18 | 江苏浴普太阳能有限公司 | Solar vacuum tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINAN DINGLONG CHEMICAL SCI.+ TECH. CO., LTD. Free format text: FORMER OWNER: JI'NAN XINNUO SOLAR PIPE CO., LTD. Effective date: 20130106 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 251604 JINAN, SHANDONG PROVINCE TO: 250100 JINAN, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130106 Address after: 250100 No. 662, Hualong Road, Licheng District, Shandong, Ji'nan Patentee after: Ji'nan Ding Long Chemical Technology Co., Ltd. Address before: 251604, Shandong province Ji'nan city Shanghe County jade Temple Street office large village Patentee before: Jinan Xinnuo Solar Energy Tube Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20141228 |