CN203216109U - External-plating mirror surface high-edge eccentric vacuum heat collector tube with bent internal glass tube - Google Patents
External-plating mirror surface high-edge eccentric vacuum heat collector tube with bent internal glass tube Download PDFInfo
- Publication number
- CN203216109U CN203216109U CN 201320106091 CN201320106091U CN203216109U CN 203216109 U CN203216109 U CN 203216109U CN 201320106091 CN201320106091 CN 201320106091 CN 201320106091 U CN201320106091 U CN 201320106091U CN 203216109 U CN203216109 U CN 203216109U
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- China
- Prior art keywords
- glass tube
- eccentric
- straight section
- minute surface
- vacuum heat
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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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- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
The utility model discloses an external-plating mirror surface high-edge eccentric vacuum heat collector tube with a bent internal glass tube. The vacuum heat collector tube is formed by nesting a bent internal glass tube consisting of an eccentric straight section, an external straight section and a bent section connected with the eccentric straight section and the external straight section and a covered glass tube of which one end is circularly sealed, forming an eccentric jacket through melted sealing connection between the waist of the external straight section and the port of the covered glass tube, and baking, exhausting and sealing the interior of the eccentric jacket. The vacuum heat collector tube is characterized in that the external straight section extends to form a high edge; a mirror surface is manufactured on the outer surface of the covered glass tube in a range of a circumference angle of about 180 degrees; a protective coating is manufactured on the mirror surface; an absorption film is manufactured on the eccentric straight section of the bent internal glass tube; the eccentric straight section with the absorption film is in condensing connection with the mirror surface.
Description
Technical field
The utility model 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 eccentric thermal-collecting tube again.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 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 semicircle plated film layer at the cover glass tube inwall under high vacuum condition.The equipment manufacturing cost height that this production technology relates to once can only evaporation one arm, and the inconvenient grafting magnetron sputtering of this technology etc. is efficient, the coating process of excellent performance.Influenced the raising of eccentric thermal-collecting tube production efficiency.
Summary of the invention
The purpose of this utility model is to provide the curved inner glass tube of the high bead of outer plating minute surface eccentric vacuum heat collection pipe.
The technical scheme in the invention for solving the technical problem: adopt one by eccentric straight section, the curved inner glass tube of outer straight section and the bending section formation that is connected eccentric straight section and outer straight section is with the cover glass tube nested arrangement of an 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 the 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 about 180 degree angle of circumference scopes is manufactured with minute surface; Be manufactured with protective finish at minute surface, be manufactured with absorbing film on the eccentric straight section of curved inner glass tube, the eccentric straight section of band absorbing film is connected with minute surface optically focused.
Can also make that described minute surface is magnetron sputtering aluminium film mirror.
Can also make cover glass tube contain a undergauge section near sealing-in place.
The beneficial effects of the utility model: the outside at cover glass tube makes the semicircle minute surface, and the design freedom of technology increases greatly.Can directly adopt the existing a large amount of vacuum magnetic-control sputtering filming equipments 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.Have two sections glass tube arranged concentric of eccentric its sealing-in of 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.
Description of drawings
Below in conjunction with drawings and Examples the utility model 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 among the figure; 2. outer straight section; 3. bending section; 4. bend inner glass tube; 5. cover glass tube; 6. undergauge section; 7. minute surface.
The specific embodiment
Fig. 1 provides an embodiment of the present utility model.
Among Fig. 1, adopt one by eccentric straight section 1, the curved inner glass tube 4 of outer straight section 2 and bending section 3 formations that are connected eccentric straight section 1 and outer straight section 2 is with cover glass tube 5 nested arrangement of an 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 the 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.The cover glass tube 5 outer surface magnetron sputtering layer of aluminum films of about 180 degree angle of circumference scopes form minute surface 7; Minute surface 7 has protective finish, is manufactured with absorbing film on the eccentric straight section 2 of curved inner glass tube 4, and the eccentric straight section 2 of band absorbing film is connected with minute surface 7 optically focused.About 0.2 micron of the thickness of magnetron sputtering aluminium film mirror.
Optically focused of the present utility model connects, and refers to the tubulose absorber, and the axial line of for example straight inner glass tube 2 is mobile near cover glass tube 5 but do not contact in order to avoid form heat bridge with cover glass tube 5 and cause heat-energy losses from the top down along the symmetrical plane of minute surface 7.Can recognize from accompanying drawing of the present utility model: enter the sunlight of cover glass tube 5 the latter halfs, 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 7 once or repeatedly and changes into heat energy.The sunlight that passes from the gap between absorber and the cover glass tube 5 might pass through the reflection of minute surface 7 and escape from cover glass tube 5.Usually the gap width between tubulose absorber and the cover glass tube 5 is 1 to 2 millimeter.
Claims (3)
1. plate the eccentric vacuum heat collection pipe of the curved inner glass tube of the high bead of minute surface outward, adopt one by eccentric straight section, the curved inner glass tube of outer straight section and the bending section formation that is connected eccentric straight section and outer straight section is with the cover glass tube nested arrangement of an 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 the 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 about 180 degree angle of circumference scopes is manufactured with minute surface; Be manufactured with protective finish at minute surface, be manufactured with absorbing film on the eccentric straight section of curved inner glass tube, the eccentric straight section of band absorbing film is 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 sputtering aluminium film mirror; Described half slot shape containment vessel is made of anodised aluminium sheet.
3. according to claim 1 or the eccentric vacuum heat collection pipe of the 2 curved inner glass tubes of the high bead of described outer plating minute surface, 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 |
|---|---|---|---|
| CN 201320106091 CN203216109U (en) | 2013-03-08 | 2013-03-08 | External-plating mirror surface high-edge eccentric vacuum heat collector tube with bent internal glass tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320106091 CN203216109U (en) | 2013-03-08 | 2013-03-08 | External-plating mirror surface high-edge eccentric vacuum heat collector tube with bent internal glass tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203216109U true CN203216109U (en) | 2013-09-25 |
Family
ID=49205636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320106091 Expired - Fee Related CN203216109U (en) | 2013-03-08 | 2013-03-08 | External-plating mirror surface high-edge eccentric vacuum heat collector tube with bent internal glass tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203216109U (en) |
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2013
- 2013-03-08 CN CN 201320106091 patent/CN203216109U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140308 |