CN2771745Y - Metal-fin-type solar vacuum heat collecting tube - Google Patents
Metal-fin-type solar vacuum heat collecting tube Download PDFInfo
- Publication number
- CN2771745Y CN2771745Y CNU2005200388225U CN200520038822U CN2771745Y CN 2771745 Y CN2771745 Y CN 2771745Y CN U2005200388225 U CNU2005200388225 U CN U2005200388225U CN 200520038822 U CN200520038822 U CN 200520038822U CN 2771745 Y CN2771745 Y CN 2771745Y
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- CN
- China
- Prior art keywords
- metal
- heat
- pipe
- conducting pipe
- metal tab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
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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
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model relates to a metal fin type solar vacuum heat collecting pipe, which comprises a metal heat conducting pipe, a metal fin, a glass vacuum heat collecting pipe and a closed cover, wherein the metal fin is connected with the metal heat conducting pipe and the metal fin and the metal heat conducting pipe are arranged in the glass vacuum heat collecting pipe together. The utility model is characterized in that the metal fin and the contact segment of the inner wall of the glass vacuum heat collecting pipe are made into a semi-circular ending arc or a column surface of the ending arc, and the metal fin is provided with a welding connecting plane through which the metal heat conducting pipe is welded and connected with the metal fin. Because of the adoption of the welded connecting plane between the metal heat conducting pipe and the metal fin, the structure of the metal fin is simplified and shaping processing is easier than the prior art. Simultaneously, the fine welding processing between the metal fin and the metal heat conducting pipe is easy and the connection of the metal fin and the metal heat conducting pipe is reliable. The utility model has the advantages of the improvement of production efficiency and the reduction of cost. Because the welded plane is adopted for welding connection between the metal heat conducting pipe and the metal fin, compared with the prior art, the reliability of heat transfer is improved.
Description
Technical field
The utility model belongs to solar energy heat utilization field, especially relates to a kind of metal tab formula solar vacuum heat-collecting pipe formula heat collection device.
Background technology
Metal tab formula solar vacuum heat-collecting pipe is the main heat collection device in the solar vacuum tube type heat collector, adopt the double-glass vacuum thermal-collecting tube element that is evacuated in the interlayer with interior coating film on glass to carry out thermal-arrest on the structure, and bring to a happy ending cylinder and contacted with it heat pipe of the metal tab be close to of employing and glass inner tube face conduct heat, and carries out transmission of heat by contact as bring to a happy ending pillar buoy and heat pipe of the thin type thermal conductance metal that all adopts opening among the Chinese patent CN2389326Y that announced and the CN2390153Y; The semicircle that has indent on the flat face of pillar buoy that brings to a happy ending completely finishes the cylinder groove or the arc that brings to a happy ending, carries out transmission of heat by contact with this outer satisfactory end of holding together to close heat conduction with phase change pipe or " U " shape fluid flow tube formula heat pipe; The radius that semicircle completely finishes the cylinder groove or the arc that brings to a happy ending equals or is slightly larger than the radius of insertion heat pipe wherein; For enhancing heat transfer, the thin metal fin that is adopted has comprised aluminium and copper and alloy thereof; Bring to a happy ending position on the flat face in the double-glass vacuum thermal-collecting tube, center of arc of its cylinder that brings to a happy ending that constitutes metal tab, with being in contact with it determining of the position of metal heat-conducting pipe in the double-glass vacuum thermal-collecting tube of holding together to close, and the metal heat-conducting pipe comprises the change in location of " U " type thermal-collecting tube, and scope is that engagement edge from glass inner tube is to the heart that brings to a happy ending.Previous patent adopts two tab construction to be applicable to the heat conduction with phase change tubular construction, and a back patent adopts a tab construction can be applicable to heat conduction with phase change single tube and " U " type liquid conductance heat pipe double pipe structure respectively.
As everyone knows; metal heat-conducting pipe or thermal-collecting tube and connection to converge and to be rigidly connected in order effectively sealing to adopt usually between case or water tank; therefore; the metal heat-conducting pipe is to be determined jointly by above-mentioned alignment error (comprising the morpheme error) and the detent mechanism of metal heat-conducting pipe in all-glass vacuum tube that produces that be rigidly connected with respect to the location in the all-glass vacuum tube; because what metal tab adopted is to comprise aluminium; the material of aluminium alloy and copper and copper alloy; usually; the aluminium of the overwhelming majority; aluminium alloy and copper and Cu alloy material all belong to and are easy to be processed into the arc that brings to a happy ending and hold together to close; but there is not suitable flexible material; and when adopting thin slice and the arc that holds together to close to bring to a happy ending between the metal heat-conducting pipe contacting; the thin slice column piece that brings to a happy ending does not have enough schools, location for the resistances such as weight of glass-vacuum tube and transfers power; the power that avulses that produces under the effect of factors such as above-mentioned installation morpheme error usually can cause metal tab and metal heat-conducting pipe to bring to a happy ending, and the formation point contacts or the line contact condition between the arc fit dimension; perhaps cause forming the part contact condition between metal tab and glass evacuated inside pipe wall thereby influencing heat transfer efficiency; result of practical application proves: this heat transfer of holding together to close is connected heat transfer efficiency loss that defective causes usually at 12%-22% between metal heat-conducting pipe and metal tab; in addition, the quality of fit multiple arc metal tab processing of bringing to a happy ending of having relatively high expectations is also more complicated.
Goal of the invention
The purpose of this utility model is to provide that a kind of processing is simple, adopt the welding plane to be welded to connect between metal heat-conducting pipe and metal tab and ensure to exist at the metal heat-conducting pipe with this and install that still ensureing under the morpheme error effect conducts heat is connected reliable metal tab formula solar vacuum heat-collecting pipe structure between the two; Simultaneously, its metal tab to be welded to connect planar shaping processing easier than prior art, and meticulous between the metal heat-conducting pipe be welded to connect reliable, handling ease, production efficiency can be improved, cost can reduce; The reliable heat conduction performance is improved than prior art.
The utility model is achieved through the following technical solutions: the utility model adopts a kind of metal tab formula solar vacuum heat-collecting pipe, comprise metal heat-conducting pipe, metal tab, glass heat-collecting vacuum tube, capping etc., metal tab is connected with the metal heat-conducting pipe, be co-located in the glass heat-collecting vacuum tube, it is characterized in that, the contact-segment of described metal tab and glass heat-collecting vacuum tube inwall makes that semicircle completely finishes arc or the arc column face that brings to a happy ending, and have on the metal tab and be welded to connect the plane, the metal heat-conducting pipe is weldingly connected through this plane and metal tab and connects.Described be weldingly connected to connect be meant being welded to connect of meticulous welding method as comprise the connection of methods such as ultrasonic bond, thermocompression bonding (comprising the resistance brazing of metal solder), Laser Welding, electric resistance welding, ratio-frequency welding, plasma welding, X ray weldering by employing.Described metal heat-conducting pipe and metal tab be interplanar to be weldingly connected that to connect be to conduct heat to link to each other, except both directly weld conduct heat to link to each other, also can conduct heat through the indirect clamping after a connection heat transfer band that clamps the metal heat-conducting pipe and the welding of metal tab interplanar links to each other.Described metal heat-conducting pipe is a single tube or two-tube, and the former is as heat pipe, and the latter is as " U " type pipe.On the section of drawing of described metal heat-conducting pipe before the glass heat-collecting vacuum tube capping, can adopt the flexible pipe changeover portion to connect.
Advantage of the present utility model is: be welded to connect the plane and make the structure of metal tab obtain simplifying owing to adopted between metal heat-conducting pipe and metal tab, processing and forming is easier than prior art; Simultaneously, with meticulous welding processing between the metal heat-conducting pipe easily, is connected reliably, production efficiency can be improved, cost is reduced; And, make that the reliable heat conduction performance is improved than prior art owing to adopt the welding plane to be welded to connect between metal heat-conducting pipe and metal tab.
Description of drawings
Fig. 1 is the overall structure schematic diagram that the utility model embodiment adopts the metal tab formula solar energy heat collection pipe of " U " tubular construction;
Fig. 2 A, 2B, 2C, 2D are that the utility model adopts two metal tab to weld with the metal heat-conducting pipe or the structural representation of the bonding embodiment that is connected;
Fig. 3 A, 3B, 3C are that the utility model adopts the unitary piece of metal fin to weld with the metal heat-conducting pipe or the structural representation of the bonding embodiment that is connected;
Fig. 4 A is that the utility model adopts two metal tab to weld with two metal heat-conducting pipes or the structural representation of a bonding embodiment who is connected;
Fig. 4 B is that the utility model adopts the unitary piece of metal fin to weld with two metal heat-conducting pipes or the structural representation of a bonding embodiment who is connected;
Fig. 5 A, 5B, 5C be the utility model embodiment metal tab with the metal heat-conducting pipe between indirect clipping heat transfer syndeton schematic diagram after being connected the welding of heat transfer bar interband.
The specific embodiment
The metal tab formula solar vacuum heat-collecting pipe of one of embodiment, as shown in Figure 1: comprise metal heat-conducting pipe 1, metal tab 2, glass heat-collecting vacuum tube 3, capping 4, " U " pipe joint 5, flexible pipe changeover portion 6, wherein, metal tab is connected with the metal heat-conducting pipe, be co-located in the glass heat-collecting vacuum tube, the contact-segment of metal tab and glass heat-collecting vacuum tube inwall makes that semicircle completely finishes arc or the arc column face that brings to a happy ending, and have on the metal tab and be welded to connect the plane and be welded to connect weld seam S, metal tab can be formed or be made up of biplate by monolithic, and the metal heat-conducting pipe is weldingly connected through this plane and metal tab and connects.Described be weldingly connected to connect be meant being welded to connect of meticulous welding method as comprise the connection of methods such as ultrasonic bond, thermocompression bonding (comprising the resistance brazing of metal solder), Laser Welding, electric resistance welding, ratio-frequency welding, plasma welding, X ray weldering by employing.Metal heat-conducting pipe and metal tab are welded to connect and interplanarly are weldingly connected that to connect be to conduct heat to link to each other, both can tightly directly weld or or the bonding heat transfer of heat conduction link to each other shown in Fig. 2 A, 2B, 2C, 2D, 3A, 3B, 3C, 4A, 4B, the weld seam that is welded to connect on plane is promptly welded at the S place among the figure.
It is two-tube into the connection of one that the metal heat-conducting pipe is that two pipes are formed by connecting through " U " type pipe joints 5 each other, also can be that two control all-in-one-pieces " U " type is two-tube; " U " type pipe joint that is communicated with two-tube can be rigid member such as metal or duroplasts " U " shape joint, or adopts flexible connector such as metal hose, bellows or macromolecule hose coupling.In addition, on the section of drawing of metal heat-conducting pipe before the glass heat-collecting vacuum tube capping, can adopt flexible pipe changeover portion 6 to connect, with the above-mentioned metal heat-conducting pipe of further elimination owing to installation stress that the morpheme error produces is installed to contacting the adverse effect of heat transfer between metal tab and glass inner tube wall.
Two the metal tab formula solar vacuum heat-collecting pipe of embodiment, comprise metal heat-conducting pipe 1, metal tab 2, glass heat-collecting vacuum tube 3, connect heat transfer band 7, wherein, metal tab is connected with the metal heat-conducting pipe, be co-located in the glass heat-collecting vacuum tube, the contact-segment of metal tab and glass heat-collecting vacuum tube inwall makes that semicircle completely finishes arc or the arc column face that brings to a happy ending, and have on the metal tab and be welded to connect the plane and be welded to connect weld seam S, metal tab can be formed or be made up of biplate by monolithic, and the metal heat-conducting pipe is weldingly connected through this plane and metal tab and connects.
The metal heat-conducting pipe be connected with heat transfer between metal tab except aforesaid direct welded type conduct heat connect, also clamp the indirect clipping heat transfer connection after the welding of heat transfer bar interband of being connected of metal heat-conducting pipe through metal tab and.As Fig. 6 A, 6B, shown in the 6C: heat pipe 1 and metal tab 2 be connected heat transfer between the plane mainly be by metal tab be connected between the heat transfer band 7 be welded to connect and heat pipe be connected between the heat transfer band be welded to connect or bonding connection is transmitted, the connection plane of metal tab is welded to each other connection with the connection support limit of turning up that is connected the heat transfer band, heat pipe is between metal tab and connection heat transfer band, the folder that draws through connecting the heat transfer band links to each other with metal tab, the weld seam that is welded to connect on plane is welded in the expression of S place, in order to strengthen connecting the clamping and the heat-transfer capability of heat transfer band, meticulous welding reinforcement can be carried out at the S place that the heat transfer contact section of metal heat-conducting pipe connects as conducting heat, or the bonding reinforcement of heat-conducting glue can also be carried out at the periphery of metal heat-conducting pipe.
Heat pipe, metal tab and be connected heat transfer band three and can adopt identical thermal conductive metallic material or thermal conductive metallic material inequality such as copper, aluminium, steel, nickel, silver etc. and face of weld to comprise the composite of these metal materials.To connect that the support limit interconnects be to be being connected of function to conduct heat with bonding strength to the connection planar S of metal tab with being connected turning up of heat transfer band.
Operation principle, glass heat-collecting vacuum tube completely finishes arc or the arc column face contact-segment that brings to a happy ending is conducted to metal tab with heat through the semicircle of inwall, exports through conducting to the heat transfer working media in the metal heat-conducting pipe with metal heat-conducting pipe that its welding directly or indirectly is connected again.
Claims (5)
1, metal tab formula solar vacuum heat-collecting pipe, comprise metal heat-conducting pipe, metal tab, glass heat-collecting vacuum tube, capping, metal tab is connected with the metal heat-conducting pipe, be co-located in the glass heat-collecting vacuum tube, it is characterized in that, the contact-segment of described metal tab and glass heat-collecting vacuum tube inwall makes that semicircle completely finishes arc or the arc column face that brings to a happy ending, and has on the metal tab and be welded to connect the plane, and the metal heat-conducting pipe is weldingly connected through this plane and metal tab and connects.
2, metal tab formula solar energy heat collection pipe according to claim 1 is characterized in that, described be weldingly connected to connect be meant interconnecting through meticulous welding.
3, metal tab formula solar energy heat collection pipe according to claim 2, it is characterized in that, described metal heat-conducting pipe and metal tab be interplanar to be weldingly connected that to connect be to conduct heat to link to each other, comprising that both directly weld conduct heat to link to each other, and comprises also that indirect clamping after a connection heat transfer band that clamps the metal heat-conducting pipe and the welding of metal tab interplanar is conducted heat to link to each other.
4, metal tab formula solar energy heat collection pipe according to claim 1 is characterized in that, described metal heat-conducting pipe is a single tube or two-tube, and the former comprises heat pipe, and the latter comprises " U " type pipe.
5, metal tab formula solar energy heat collection pipe according to claim 1 is characterized in that, on the section of drawing of described metal heat-conducting pipe before the glass heat-collecting vacuum tube capping, can adopt the flexible pipe changeover portion to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200388225U CN2771745Y (en) | 2005-01-10 | 2005-01-10 | Metal-fin-type solar vacuum heat collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200388225U CN2771745Y (en) | 2005-01-10 | 2005-01-10 | Metal-fin-type solar vacuum heat collecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2771745Y true CN2771745Y (en) | 2006-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200388225U Expired - Fee Related CN2771745Y (en) | 2005-01-10 | 2005-01-10 | Metal-fin-type solar vacuum heat collecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2771745Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528250A (en) * | 2013-10-15 | 2014-01-22 | 张其明 | Fresnel lens core pipe |
| WO2017070999A1 (en) * | 2015-10-30 | 2017-05-04 | 北京博日明能源科技有限公司 | Solar intermediate-temperature heat-collecting tube |
-
2005
- 2005-01-10 CN CNU2005200388225U patent/CN2771745Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528250A (en) * | 2013-10-15 | 2014-01-22 | 张其明 | Fresnel lens core pipe |
| WO2017070999A1 (en) * | 2015-10-30 | 2017-05-04 | 北京博日明能源科技有限公司 | Solar intermediate-temperature heat-collecting tube |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060412 Termination date: 20130110 |