CN103062936A - Manufacturing method and product of low cost eccentric evacuated collector tube - Google Patents
Manufacturing method and product of low cost eccentric evacuated collector tube Download PDFInfo
- Publication number
- CN103062936A CN103062936A CN2012102307392A CN201210230739A CN103062936A CN 103062936 A CN103062936 A CN 103062936A CN 2012102307392 A CN2012102307392 A CN 2012102307392A CN 201210230739 A CN201210230739 A CN 201210230739A CN 103062936 A CN103062936 A CN 103062936A
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- glass tube
- minute surface
- eccentric
- inner glass
- half slot
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
Provided is a manufacturing method and a product of a low cost eccentric evacuated collector tube. In figure 1, a cover glass tube 1 with one end sealed circularly is sealed and connected with a straight inside glass tube 2 into a jacket in a nesting distribution. The inner side of the jacket is roasted and vented and then is sealed off. A layer of aluminium film is magnetron sputtered to form a semicircular mirror surface 3 in the range of a 180 degrees angle of circumference on the outer surface of the cover glass tube 1. An eccentric evacuated collector tube of the semicircular mirror surface which is formed by coating a film on the outer surface of the cover glass tube is made. An absorbing film is arranged on the straight inside glass tube 2. The straight inside glass tube 2 with the absorbing film is connected with the mirror surface 3 in a condensation mode. The mirror surface 3 is provided with a protective coating.
Description
Technical field
The present invention relates to manufacture method and the product of low-cost eccentric vacuum heat collection pipe.
Background technology
The eccentric all-glass vacuum thermal-collecting tube of settling of existing a kind of inner glass tube, the diameter of its inner glass tube is about half of cover glass tube, the semicircle AM aluminum metallization minute surface optically focused that utilizes cover glass tube inwall thermal-arrest to the absorbing film on inner glass tube surface has the advantages such as less with material, that the few little startup of the little heat waste of heat sink little surface area of the little water of inner glass tube cavity is fast.But the semicircle AM aluminum metallization minute surface of its cover glass tube inwall employing high-frequency induction is built in the hot boat heating in the cover glass tube, and makes the aluminium thawing generation aluminium steam in the hot boat form the semicircle film plating layer at the cover glass tube inwall under high vacuum condition.Equipment manufacturing cost that this production technology relates to is high, once can only eddy-current heating evaporation one arm, and the inconvenient grafting magnetron sputtering of this technique etc. is efficient, excellent performance, can reverse cleaning coating process.Affected the raising of eccentric vacuum heat collection pipe production efficiency.In addition, be utilization and extention solar energy, need the more eccentric thermal-collecting tube solar thermal utilization of Development and Production product.
Summary of the invention
The objective of the invention is to provide manufacture method and the product of low-cost eccentric vacuum heat collection pipe.
The present invention solves the method that its technical problem adopts: the outside that is produced on cover glass tube of semicircle minute surface is realized, comprise: 1) make minute surfaces in the about 180 degree angle of circumference scopes of cover glass tube outer surface, be connected with described minute surface optically focused with the inner glass tube of absorbing film; 2) make a half slot shape object and being connected in the cover glass tube outer surface after recessed surface makes minute surface within it, be connected with minute surface optically focused on the described half slot shape object concave surface with the inner glass tube of absorbing film; 3) make a half slot shape object and within it recessed surface make and insert cover glass tube behind the minute surface and be connected, be connected with minute surface optically focused on the described half slot shape object concave surface with the inner glass tube of absorbing film.
The present invention solves one of technical scheme of its technical problem according to said method: the cover glass tube with end circle envelope is tightly connected into a chuck with the inner glass tube nested arrangement, to sealed-off after the baking exhaust of chuck inside, make minute surface in the about 180 degree angle of circumference scopes of cover glass tube outer surface, make an eccentric vacuum heat collection pipe.Be manufactured with absorbing film on the inner glass tube, be connected with described minute surface optically focused with the inner glass tube of absorbing film.
Can also make that described minute surface is the sputtered aluminum film mirror, make protective finish in the outside of described minute surface.
Can also make that described minute surface is the sputtered aluminum film mirror, make protective finish in the outside of described minute surface; Connect a half slot shape containment vessel in described protective finish fit on.
The present invention solve according to said method its technical problem technical scheme two: the cover glass tube with end circle envelope is tightly connected into a chuck with the inner glass tube nested arrangement, to the baking exhaust sealed-off of chuck inside, at the cover glass tube outer surface half slot shape object that is connected, the concave surface of described half slot shape object is manufactured with minute surface, makes an eccentric vacuum heat collection pipe.Be manufactured with absorbing film on the inner glass tube, be connected with minute surface optically focused on the described half slot shape object concave surface with the inner glass tube of absorbing film.
Can also make described half slot shape object adopt the silica gel bonding in its edge and cover glass tube outer surface.
The present invention solve according to said method its technical problem technical scheme three: the cover glass tube by end circle envelope is tightly connected into a chuck with the inner glass tube nested arrangement, to sealed-off after the baking exhaust of chuck inside, at the cover glass tube inwall half slot shape object with minute surface that is connected, make an eccentric vacuum heat collection pipe.Be manufactured with absorbing film on the inner glass tube, be connected with minute surface optically focused on the described half slot shape object concave surface with the inner glass tube of absorbing film.
Can also make the material of described half slot shape object be high thoroughly glass, described minute surface is made in concave surface or the convex surface of described half slot shape object.
Can also make that the described inner glass tube of eccentric vacuum heat collection pipe is curved inner glass tube; Described curved inner glass tube is by eccentric straight section, and outer straight section consists of with the bending section that is connected eccentric straight section and outer straight section; Described eccentric straight section is with absorbing film, and described eccentric straight section with absorbing film is connected with described minute surface optically focused.
Can also make that the described inner glass tube of eccentric vacuum heat collection pipe is curved inner glass tube; Described curved inner glass tube is by eccentric straight section, and outer straight section consists of with the bending section that is connected eccentric straight section and outer straight section; Described eccentric straight section is with absorbing film, and described eccentric straight section with absorbing film is connected with described minute surface optically focused; Protruding and the inner vacuum pumping loading working medium sealing of described outer straight section.
Beneficial effect of the present invention: can directly adopt the existing a large amount of vacuum magnetron sputtering coating film equipment that use once tens of make minute surface at the cover glass tube outer surface, work efficiency is increased to 2,000 from about 500 of unit every day.Can also adopt existing aluminium film evaporation streamline high speed evaporation minute surface on the concave surface of half slot shape object, work efficiency was increased to more than 10,000 from 500 of unit every days.Production efficiency increase substantially the reduction that means product cost.With two sections glass tube arranged concentric of its sealing-in of eccentric thermal-collecting tube of curved inner glass tube, conveniently melt the envelope operation.Cover glass tube adopts the undergauge section, and the diameter of undergauge section and curved inner glass tube is more approaching, and both sealing-in difficulty are reduced greatly.Arrange one in the vacuum environment in cover glass tube and can make the semicircle minute surface avoid the corrosion impact of atmosphere with the half slot shape object of semicircle minute surface, almost unrestrictedly prolong service life.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is the eccentric vacuum heat collection pipe composite construction schematic diagram that a supporting housing glass tube exterior surface plated film is made the semicircle minute surface.
Fig. 2 is the be connected composite construction schematic diagram of the eccentric heat-pipe vacuum heat collecting pipe of curved inner glass tube of groove shape object of a concave surface band semicircle minute surface of a cover glass tube.
Fig. 3 is the composite construction schematic diagram of an eccentric heat-pipe vacuum heat collecting pipe of built-in glass guide channel shape object undergauge with the semicircle minute surface.
1. cover glass tubes among the figure; 2. straight inner glass tube; 3. minute surface; 4. eccentric straight section; 5. outer straight section; 6. bending section; 7. curved inner glass tube; 8. half slot shape object; 9. jump ring circle; 10. undergauge section.
The specific embodiment
Fig. 1 provides first embodiment of the present invention.
Among Fig. 1, cover glass tube 1 with end circle envelope is tightly connected into a chuck with straight inner glass tube 2 nested arrangement, to sealed-off after the baking exhaust of chuck inside, form a semicircular minute surface 3 at the about 180 degree angle of circumference scope magnetron sputtering one deck aluminium films of cover glass tube 1 outer surface, make the eccentric vacuum heat collection pipe that a supporting housing glass tube exterior surface plated film is made the semicircle minute surface.Be manufactured with absorbing film on the straight inner glass tube 2, be connected with minute surface 3 optically focused with the straight inner glass tube 2 of absorbing film.Minute surface 3 is with protective finish.
Optically focused of the present invention connects, and the refer to absorber axial line of---referring to the straight inner glass tube 2 with absorbing film in embodiment 1---moves down near cover glass tube 1(along the symmetrical plane of minute surface 3 and also can be the minute surface 3 on the concave surface of half slot shape object 8 in embodiment 3) but do not contact in order to avoid form heat bridge with cover glass tube 1 and cause heat-energy losses.Can recognize from each accompanying drawing of the present invention: enter the sunlight of cover glass tube 1 the latter half, mid portion directly for example changes into heat energy with the straight inner glass tube 2 of absorbing film at absorber; The overwhelming majority in the two side portions arrives on the absorber through the reflection of minute surface 3 once or repeatedly and changes into heat energy.The sunlight that passes from the gap between absorber and the cover glass tube 1 might be escaped from cover glass tube 1 through minute surface 3 reflections.Usually the gap width between absorber and the cover glass tube 1 is 1 to 2 millimeter.
Fig. 2 provides second embodiment of the present invention.
Among Fig. 2, adopt one by eccentric straight section 4, the curved inner glass tube 7 of outer straight section 5 and bending section 6 formations that are connected eccentric straight section 4 and outer straight section 5; Make curved inner glass tube 7 be tightly connected into a chuck with cover glass tube 1 nested arrangement of end circle envelope, to the baking exhaust sealed-off of chuck inside; And make the outer straight section 5 of curved inner glass tube 7 protruding, sealed-off after the curved inner glass tube 7 inner vacuum pumping loading working medium; At the cover glass tube 1 outer surface half slot shape object 8 that is connected, the concave surface of half slot shape object 8 is manufactured with minute surface 3; Half slot shape object 8 adopts the silica gel bonding at its edge and cover glass tube 1 outer surface, makes the be connected eccentric heat-pipe vacuum heat collecting pipe of curved inner glass tube of groove shape object of a concave surface band semicircle minute surface of a cover glass tube.Be manufactured with absorbing film on the eccentric straight section 4 of curved inner glass tube 7, be connected with minute surface 3 optically focused on described half slot shape object 8 concave surfaces with the eccentric straight section 4 of absorbing film.The axial line of outer straight section 5 overlaps with cover glass tube 1.
Fig. 3 provides the 3rd embodiment of the present invention.
Among Fig. 3, adopt one by eccentric straight section 4, the curved inner glass tube 7 of outer straight section 5 and bending section 6 formations that are connected eccentric straight section 4 and outer straight section 5; Make cover glass tube 1 nested arrangement of curved inner glass tube 7 and end circle envelope be tightly connected into a chuck, at the cover glass tube 1 inwall half slot shape object 8 that is connected, the concave surface of half slot shape object 8 is manufactured with minute surface 3; Half slot shape object 8 usefulness jump ring circles 9 are against cover glass tube 1 inboard the realization and are connected; To the baking exhaust sealed-off of chuck inside; And making the outer straight section 5 of curved inner glass tube 7 protruding, an eccentric heat-pipe vacuum heat collecting pipe of built-in glass guide channel shape object undergauge with the semicircle minute surface is made in sealed-off after the curved inner glass tube 7 inner vacuum pumping loading working medium.Be manufactured with absorbing film on the eccentric straight section 4 of curved inner glass tube 7, be connected with minute surface 3 optically focused on described half slot shape object 8 concave surfaces with the eccentric straight section 4 of absorbing film.
The cover glass tube 1 of Fig. 3 embodiment is with undergauge section 10, and the external diameter of undergauge section 10 is than large 10 millimeters of curved inner glass tube, and the diameter of itself and curved inner glass tube 7 is more approaching, and both sealing-in difficulty are reduced greatly.
Claims (10)
1. the manufacture method of low-cost eccentric vacuum heat collection pipe: the outside that is produced on cover glass tube of semicircle minute surface is realized, comprise: 1) make minute surfaces in the about 180 degree angle of circumference scopes of cover glass tube outer surface, be connected with described minute surface optically focused with the inner glass tube of absorbing film; 2) make a half slot shape object and being connected in the cover glass tube outer surface after recessed surface makes minute surface within it, be connected with minute surface optically focused on the described half slot shape object concave surface with the inner glass tube of absorbing film; 3) make a half slot shape object and within it recessed surface make and insert cover glass tube behind the minute surface and be connected, be connected with minute surface optically focused on the described half slot shape object concave surface with the inner glass tube of absorbing film.
2. the eccentric vacuum heat collection pipe made of described method according to claim 1, cover glass tube by end circle envelope is tightly connected into a chuck with the inner glass tube nested arrangement, sealed-off after the baking exhaust of chuck inside is made, be manufactured with absorbing film on the inner glass tube, it is characterized in that in the about 180 degree angle of circumference scopes of cover glass tube outer surface with minute surface, be connected with described minute surface optically focused with the inner glass tube of absorbing film.
3. the eccentric vacuum heat collection pipe made of described method according to claim 1, cover glass tube by end circle envelope is tightly connected into a chuck with the inner glass tube nested arrangement, the baking exhaust sealed-off of chuck inside is made, be manufactured with absorbing film on the inner glass tube, it is characterized in that being connected with a half slot shape object at the cover glass tube outer surface, the concave surface of described half slot shape object contains minute surface, is connected with minute surface optically focused on the described half slot shape object concave surface with the inner glass tube of absorbing film.
4. the eccentric vacuum heat collection pipe made of described method according to claim 1, cover glass tube by end circle envelope is tightly connected into a chuck with the inner glass tube nested arrangement, sealed-off after the baking exhaust of chuck inside is made, be manufactured with absorbing film on the inner glass tube, it is characterized in that being connected with a half slot shape object at the cover glass tube inwall, the concave surface of described half slot shape object contains minute surface, is connected with minute surface optically focused on the described half slot shape object concave surface with the inner glass tube of absorbing film.
5. eccentric vacuum heat collection pipe according to claim 2 is characterized in that described semicircle minute surface is the sputtered aluminum film mirror; Described semicircle minute surface is with protective finish.
6. eccentric vacuum heat collection pipe according to claim 2 is characterized in that described semicircle minute surface is the sputtered aluminum film mirror; Described semicircle minute surface is with protective finish; Connect a half slot shape containment vessel in described protective finish fit on.
7. eccentric vacuum heat collection pipe according to claim 3 is characterized in that described half slot shape object adopts the silica gel bonding in its edge and cover glass tube outer surface.
8. eccentric vacuum heat collection pipe according to claim 4 is characterized in that the material of described half slot shape object is high thoroughly glass, and described minute surface is made in concave surface or the convex surface of described half slot shape object.
9. according to claim 2 or 3 or 4 described eccentric vacuum heat collection pipes, it is characterized in that described inner glass tube is curved inner glass tube; Described curved inner glass tube is by eccentric straight section, and outer straight section consists of with the bending section that is connected eccentric straight section and outer straight section; Described eccentric straight section is with absorbing film, and described eccentric straight section with absorbing film is connected with described minute surface optically focused.
10. according to claim 2 or 3 or 4 described eccentric vacuum heat collection pipes, it is characterized in that described inner glass tube is curved inner glass tube; Described curved inner glass tube is by eccentric straight section, and outer straight section consists of with the bending section that is connected eccentric straight section and outer straight section; Described eccentric straight section is with absorbing film, and described eccentric straight section with absorbing film is connected with described minute surface optically focused; Sealed-off after the protruding and inner vacuum pumping loading working medium of described outer straight section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102307392A CN103062936A (en) | 2012-07-03 | 2012-07-03 | Manufacturing method and product of low cost eccentric evacuated collector tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102307392A CN103062936A (en) | 2012-07-03 | 2012-07-03 | Manufacturing method and product of low cost eccentric evacuated collector tube |
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| Publication Number | Publication Date |
|---|---|
| CN103062936A true CN103062936A (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102307392A Pending CN103062936A (en) | 2012-07-03 | 2012-07-03 | Manufacturing method and product of low cost eccentric evacuated collector tube |
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| Country | Link |
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| CN (1) | CN103062936A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791643A (en) * | 2014-01-28 | 2014-05-14 | 梁伟利 | Automatic electric fusion-sealing device for all-glass vacuum solar heat collection tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682340Y (en) * | 2004-03-18 | 2005-03-02 | 王恒月 | Spotlight type solar energy entire-glass vacuum thermal-collecting tube |
| CN2706719Y (en) * | 2004-06-02 | 2005-06-29 | 山东桑乐太阳能有限公司 | Eccetric reflective film coaved solar vacuum heat collecting pipe |
| CN201508067U (en) * | 2009-09-30 | 2010-06-16 | 董子良 | Evacuated solar collector tube with built-in reflection board |
| CN201539993U (en) * | 2009-07-17 | 2010-08-04 | 王恒月 | High-performance internal-concentrating solar heat collector tube |
| CN202188679U (en) * | 2011-08-15 | 2012-04-11 | 海宁利丰太阳能工业有限公司 | Vacuum heat pipe heat-collecting pipe with mirror surface reflecting plating layer at inner wall of hood glass pipe |
-
2012
- 2012-07-03 CN CN2012102307392A patent/CN103062936A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682340Y (en) * | 2004-03-18 | 2005-03-02 | 王恒月 | Spotlight type solar energy entire-glass vacuum thermal-collecting tube |
| CN2706719Y (en) * | 2004-06-02 | 2005-06-29 | 山东桑乐太阳能有限公司 | Eccetric reflective film coaved solar vacuum heat collecting pipe |
| CN201539993U (en) * | 2009-07-17 | 2010-08-04 | 王恒月 | High-performance internal-concentrating solar heat collector tube |
| CN201508067U (en) * | 2009-09-30 | 2010-06-16 | 董子良 | Evacuated solar collector tube with built-in reflection board |
| CN202188679U (en) * | 2011-08-15 | 2012-04-11 | 海宁利丰太阳能工业有限公司 | Vacuum heat pipe heat-collecting pipe with mirror surface reflecting plating layer at inner wall of hood glass pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791643A (en) * | 2014-01-28 | 2014-05-14 | 梁伟利 | Automatic electric fusion-sealing device for all-glass vacuum solar heat collection tube |
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Application publication date: 20130424 |