CN103528230A - Bending inner glass tube eccentric evacuated collector tube with externally plated mirror surface and high edge opening - Google Patents
Bending inner glass tube eccentric evacuated collector tube with externally plated mirror surface and high edge opening Download PDFInfo
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- CN103528230A CN103528230A CN201210228205.6A CN201210228205A CN103528230A CN 103528230 A CN103528230 A CN 103528230A CN 201210228205 A CN201210228205 A CN 201210228205A CN 103528230 A CN103528230 A CN 103528230A
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- glass tube
- eccentric
- straight section
- inner glass
- minute surface
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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
Provided is a bending inner glass tube eccentric evacuated collector tube with an externally plated mirror surface and a high edge opening. A bending inner glass tube 4 is formed by an eccentric straight section 1, an outer straight section 2 and a bending section 3 connecting the eccentric straight section 1 and the outer straight section 2, the bending inner glass tube 4 and a glass tube cover 5 with a circularly sealed end are arranged in a nested mode, a waist portion of the outer straight section and the end of the glass tube cover 5 are sealed and connected in a fused mode to form an eccentric clamp sleeve, the inside of the eccentric clamp sleeve is baked to exhaust air , then the eccentric clamp sleeve is sealed, and therefore the bending inner glass tube eccentric evacuated collector tube with the externally plated mirror surface and the high edge opening is manufactured. The bending inner glass tube eccentric evacuated collector tube with the externally plated mirror surface and the high edge opening is characterized in that the outer straight section extends out to form the high edge opening, the mirror surface 7 is manufactured on the outer surface of the glass tube cover 5 within the range of about 180-degree circumference angle, a protective coating is manufactured on the mirror surface 7, an absorption film is manufactured on the eccentric straight section 1 of the bending inner glass tube 4, and the eccentric straight section 1 with the absorption film is connected with the mirror surface 7 in a condensation mode.
Description
Technical field
The present invention relates to the eccentric vacuum heat collection pipe of the curved inner glass tube of the high bead of outer plating minute surface.
Background technology
The eccentric all-glass vacuum thermal-collecting tube of settling of existing a kind of inner glass tube, claims again eccentric thermal-collecting tube.The diameter of its inner glass tube is about half of cover glass tube, utilize the semicircle AM aluminum metallization minute surface of cover glass tube inwall to be converged to thermal-arrest on the absorbing film on inner glass tube surface, there is the advantages such as less with material, 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 adopts high-frequency induction to be built in the hot boat heating in cover glass tube, and make the aluminium thawing generation aluminium steam in hot boat at cover glass tube inwall, form semicircle film plating layer under high vacuum condition.The equipment manufacturing cost that this production technology relates to is high, once can only evaporation one arm, and the inconvenient grafting magnetron sputtering of this technique etc. is efficient, the coating process of excellent performance.Affected the raising of eccentric thermal-collecting tube production efficiency.
Summary of the invention
The object of the invention is to provide the curved inner glass tube of the high bead of outer plating minute surface eccentric vacuum heat collection pipe.
The present invention solves the technical scheme of its technical problem: adopt one by eccentric straight section, the curved inner glass tube that outer straight section forms with the bending section that is connected eccentric straight section and outer straight section, with the cover glass tube nested arrangement of one end circle envelope; The waist of described outer straight section and the port of cover glass tube melt envelope and are connected to form an eccentric chuck; Described outer straight section stretches out and forms high bead; To sealed-off after the inner baking of eccentric chuck exhaust, make an eccentric vacuum heat collection pipe of the curved inner glass tube of the high bead of outer plating minute surface.The cover glass tube outer surface of approximately 180 degree angle of circumference scopes is manufactured with minute surface; On minute surface, be manufactured with protective finish, on the eccentric straight section of curved inner glass tube, be manufactured with absorbing film, with the eccentric straight section of absorbing film, be connected with minute surface optically focused.
Can also make described minute surface is Magnetron Sputtered Al film mirror.
Can also make cover glass tube contain a undergauge section near sealing-in place.
Beneficial effect of the present invention: the outside at cover glass tube makes semicircle minute surface, and the design freedom of technique increases greatly.The vacuum magnetron sputtering coating film equipment that can directly adopt existing a large amount of uses once tens of at cover glass tube outer surface, make minute surface, work efficiency is increased to 2,000 from approximately 500 of unit every days.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 of glass tube arranged concentric of its sealing-in of eccentric thermal-collecting tube of curved inner glass tube, conveniently melt envelope operation.Cover glass tube adopts undergauge section, and the diameter of undergauge section and curved inner glass tube is more approaching, and both sealing-in difficulty are reduced greatly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the eccentric vacuum heat collection pipe composite construction of the curved inner glass tube of the high bead undergauge of an outer plating minute surface schematic diagram.
1. eccentric straight sections in figure; 2. outer straight section; 3. bending section; 4. curved inner glass tube; 5. cover glass tube; 6. undergauge section; 7. minute surface.
The specific embodiment
Fig. 1 provides one embodiment of the present of invention.
In Fig. 1, adopt one by eccentric straight section 1, the curved inner glass tube 4 that outer straight section 2 forms with the bending section 3 that is connected eccentric straight section 1 and outer straight section 2, with cover glass tube 5 nested arrangement of one end circle envelope; The port of the waist of outer straight section 2 and cover glass tube 5 melts envelope and is connected to form an eccentric chuck; Outer straight section 2 stretches out and forms high bead; To sealed-off after the inner baking of eccentric chuck exhaust, make an eccentric vacuum heat collection pipe of the curved inner glass tube of the high bead of outer plating minute surface.Cover glass tube 5 contains a undergauge section 6 near sealing-in place.Cover glass tube 5 outer surface magnetron sputtering one deck aluminium films of approximately 180 degree angle of circumference scopes form minute surface 7; Minute surface 7, with protective finish, is manufactured with absorbing film on the eccentric straight section 1 of curved inner glass tube 4, with the eccentric straight section 1 of absorbing film, is connected with minute surface 7 optically focused.Approximately 0.2 micron of the thickness of Magnetron Sputtered Al film mirror.
Optically focused of the present invention connects, and refers to tubulose absorber, and for example eccentric straight section 1 axial line of curved inner glass tube 4 moves from the top down near cover glass tube 5 but do not contact in order to avoid form heat bridge and cause heat-energy losses with cover glass tube 5 along the symmetrical plane of minute surface 7.From accompanying drawing of the present invention, can recognize: enter the sunlight of cover glass tube 5 the latter halfs, mid portion directly for example changes into heat energy on the eccentric straight section 1 with absorbing film at absorber; The overwhelming majority in two side portions arrives on absorber and changes into heat energy through the reflection of minute surface 7 once or repeatedly.The sunlight passing from the gap between absorber and cover glass tube 5 likely passes through the reflection of minute surface 7 and escapes from cover glass tube 5.Conventionally the gap width between tubulose absorber and cover glass tube 5 is 1 to 2 millimeter.
Claims (3)
1. the eccentric vacuum heat collection pipe of the curved inner glass tube of the high bead of outer plating minute surface, adopts one by eccentric straight section, and the curved inner glass tube that outer straight section forms with the bending section that is connected eccentric straight section and outer straight section, with the cover glass tube nested arrangement of one end circle envelope; The waist of described outer straight section and the port of cover glass tube melt envelope and are connected to form an eccentric chuck; Sealed-off after the inner baking of eccentric chuck exhaust is made, it is characterized in that described outer straight section stretches out the high bead of formation; The cover glass tube outer surface of approximately 180 degree angle of circumference scopes is manufactured with minute surface; On minute surface, be manufactured with protective finish, on the eccentric straight section of curved inner glass tube, be manufactured with absorbing film, with the eccentric straight section of absorbing film, be connected with minute surface optically focused.
2. the eccentric vacuum heat collection pipe of the curved inner glass tube of the high bead of outer plating minute surface according to claim 1, is characterized in that described minute surface is Magnetron Sputtered Al film mirror; Described half slot shape containment vessel is made of anodised aluminium sheet.
3. according to the eccentric vacuum heat collection pipe of the curved inner glass tube of the high bead of outer plating minute surface described in claim 1 or 2, it is characterized in that cover glass tube contains a undergauge section near sealing-in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228205.6A CN103528230A (en) | 2012-07-03 | 2012-07-03 | Bending inner glass tube eccentric evacuated collector tube with externally plated mirror surface and high edge opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210228205.6A CN103528230A (en) | 2012-07-03 | 2012-07-03 | Bending inner glass tube eccentric evacuated collector tube with externally plated mirror surface and high edge opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103528230A true CN103528230A (en) | 2014-01-22 |
Family
ID=49930448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210228205.6A Pending CN103528230A (en) | 2012-07-03 | 2012-07-03 | Bending inner glass tube eccentric evacuated collector tube with externally plated mirror surface and high edge opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103528230A (en) |
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2012
- 2012-07-03 CN CN201210228205.6A patent/CN103528230A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140122 Assignee: Shanghai Changyu Information Science & Technology Co., Ltd. Assignor: Xu Liming Contract record no.: 2012310000238 Denomination of invention: The eccentric vacuum heat collection pipe of the curved inner glass tube of the high bead of outer plating minute surface License type: Exclusive License Record date: 20121225 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140122 |