GB2528805A - Method for manufacturing heat pipe type vacuum heat collecting pipe without tail pipe, and vacuum heat collecting pipe - Google Patents

Method for manufacturing heat pipe type vacuum heat collecting pipe without tail pipe, and vacuum heat collecting pipe Download PDF

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Publication number
GB2528805A
GB2528805A GB1517444.4A GB201517444A GB2528805A GB 2528805 A GB2528805 A GB 2528805A GB 201517444 A GB201517444 A GB 201517444A GB 2528805 A GB2528805 A GB 2528805A
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GB
United Kingdom
Prior art keywords
tube
metal
heat
pipe
exhaust
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Granted
Application number
GB1517444.4A
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GB201517444D0 (en
GB2528805B (en
Inventor
Gang Xu
Jifu Shi
Leilei Wang
Hualin Huang
Naisheng Hou
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Guangzhou Institute of Energy Conversion of CAS
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Guangzhou Institute of Energy Conversion of CAS
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Publication of GB201517444D0 publication Critical patent/GB201517444D0/en
Publication of GB2528805A publication Critical patent/GB2528805A/en
Application granted granted Critical
Publication of GB2528805B publication Critical patent/GB2528805B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • 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
    • F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
    • 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
    • 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
    • F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
    • F24S10/95—Solar heat collectors using working fluids using internal thermosiphonic circulation having evaporator sections and condenser sections, e.g. heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0283—Means for filling or sealing heat pipes
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Exhaust Silencers (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)

Abstract

A method for manufacturing a heat pipe type vacuum heat collecting pipe without a tail pipe, and the vacuum heat collecting pipe manufactured by using the method. The manufacturing method comprises: (a) welding a metal ring (1) at one end of a glass pipe (4, 9); (b) welding a metal pipe (2) on the metal ring (1); (c) placing a metal sheet (3) at a part close to a heat pipe (5) condensation section, separately placing a solder at an inner ring and an outer ring of the metal sheet (3), or not placing the metal sheet (3) but directly placing the solder at the heat pipe (5) condensation section; (d) inserting a heat pipe (5) into the glass pipe (4, 9); (e) performing bottom rounding on the other end of the glass pipe (4, 9); (f) using the metal pipe (2) and the heat pipe (5) which do not contact with each other as an exhausting pipe, and integrally inserting the metal pipe (2) and the heat pipe (5) into an exhausting groove (8) for vacuumizing exhaust; (g) after the vacuumizing exhaust is ended, a mechanical apparatus (7) in the exhausting groove (8) pushing the heat pipe (5), so as to allow the metal pipe (2) to contact the metal sheet (3) or allow the heat pipe (5) condensation section where the solder is placed to contact the metal pipe (2); and (h) melting the solder outside the exhaust groove (8) in high-frequency heating mode, and sealing the heat pipe type vacuum heat collecting pipe. In the method, a tail pipe is not required to be welded in advance, and therefore, the production efficiency can be improved, and the production cost can be reduced.

Description

METHOD FOR MANUFACTURING HEAT TUBE TYPE EVACUATED
COLLECTOR TUBE WITHOUT EXHAUST TAIL TUBE AND EVACUATED
COLLECTOR TUBE
Field of the Invention
The present invention belongs to the technical field of solar thermal utilization, and particularly relates to a method for manufacturing a heat tube type evacuated collector tube without an exhaust tail tube and the evacuated collector tube.
Background of the Invention
hi a variety of solar energy utilization mmners. photothermal utilization is to directly convert scñar energy into thermal energy. and due to the relativdy high conversion efficiency. has been promoted and applied widdy. At present, the common photothermal utilization technology includes all-glass glass vacuum tube technology.
flat plate collector technothgy and heat tube type evacuated collector tube technology, wherein a heat tube type evacuated collector tube is obtained by sealing a heat tube welded with a selective absorption fin in a vacuum glass tube by adopting metal sealing technology, and its photothcrmal conversion cfficicncy is thc highest in thc above-mentioned three utilization manners. An exhaust tail tube generally needs to be welded on the current heat tube type evacuated collector tube in advance, and the glass tube is vacuumized and exhausted through the tail tube. In general. the exhaust tail tube includes two forms. One is a glass tail tube, which is sealed on the glass tube in advance, and this glass tube is very likely to he damaged even if a protective cap is provided, resulting in vacuum leakage; the other manner is to weld a copper tube on a metal top cover to exhaust, which also suffers vacuum leakage due to poor welding quality.
Meanwhile, the beauty of the product is affected by the presence of the tail tube. No breakthrough has been made in how to manufacture a heat tube type evacuated collector tube without a tail tube.
To solve the above problems. we invent a method for manufacturing a heat tuhe type evacuated collector tube without an exhaust tail tube and an evacuated collector tube.
Summary of the Invention
Thc object of the present invention is, in order to obtain a heat tube type evacuated collector tube without a tail tube, providing a method for manulacturing a heat tube type evacuated collector tube without an exhaust tail tube and the evacuated collector tube.
To achieve the above object, the present invention adopts the following technical solutions: First technical solution: a method for manufacturing a heat tube type evacuated collector tube without an exhaust tail tube includes the following steps: (a) welding a metal ring on one end of a glass tube; (h) welding a metal tube on the metal ring; (e) paeing a sheet metal at a position close to a condensation segment of a heat tube, and respectively placing welding Iluxes on the inner ring and the outer ring of the sheet metal, wherein an evaporation segment of the heat tube is provided with a sdective absorption fin; (d) inserting the heat tube with the selective absorption fin into the glass tube; (e) rounding the bottom of the other end of the glass tube; (I) maintaining a gap between the metal tube and the sheet metal on the heat tube to serve as an exhaust passage, wherein because the air in the glass tube needs to be pumped out, the metal tube and the sheet metal are required not to contact so as to smoothly exhaust the air, and integrally inserting the metal tube and the sheet metal into an exhaust groove for vacuumizing and exhausting; (g) after vaeuumizing and exhausting, propelling the heat tube by means of a mechanical device in the exhaust groove to make the metal tube contact the sheet metal; (h) melting the welding fluxes at the outside of the exhaust groove in an inductive (for example. high frequency heating) manner, welding the inner ring of the sheet metal with the heat tube, and welding the outer ring with the metal tube to seal the heat tube type evacuated collector tube.
In the technical solution, the metal tube can also he flared, the exhaust groove and the flared end of the metal tube are sealed for exhausting. and after the exhaust treatment.
the mechanical device in the exhaust groove propels the heat tube to make the sheet metal contact the necking end of the metal tube, the contact point is located at the outside of the exhaust groove, and the heat tube type evacuated collector tube can he scaled in any manncr of high frcqucncy welding, laser welding or argon arc welding alter the exhaust treatment. When the heat tube type evacuated collector tube is sealed in any manner of laser welding or argon arc welding, no welding flux is placed on the sheet metaL and at this time, the sheet metal needs to he welded on (he heat tube in advance.
In the technical solution, on the end of the glass tube with the metal ring welded thereon, the glass tube can be treated in any manner of necking treatment or non-necking treatment. The material of the metal ring can be any one of aluminum, copper. carbon steel, stainless steel, nickel, titanium and kovar alloy. The material of the metal tube can he any one of aluminum, copper, carbon steel, stainless steel, nickeL titanium and kovar alloy. When the metal ring and the metal tube are made from the same material, the metal ring and the metal tube can he directly processed into an integral structure without welding. The material of thc sheet mctal can hc any onc of aluminum, copper, carbon steel, stainless steel, nickel, titanium and kovar alloy.
A heat tube type evacuated collector tube without an exhaust tail tube includes a glass tubc, a hcat tubc, a fin, a metal ring, a metal tube and a sheet metal, whercin the sheet metal is welded at a position close to a condensation segment of the heat tube, the fin is welded at an evaporation segment of the heat tube, the metal ring is sealed with the glass tube, the metal tube is sealed with the metal ring, the sheet metal is welded with the metal tube, the components together form an internally evacuated and enclosed cavity, and no exhaust tail tube can he seen from the appearance of the collector tube.
Second technical solution: This solution differs from the first solution in that no sheet metal needs to be added.
A method for manufacturing a heat tube type evacuated collector tube without an exhaust tail tube includes the following steps: (a) welding a metal ring on one end of a glass tube; (h) welding a metal tube on the metal ring; (c) directly placing a welding flux on a condensation segment of a heat tube, and welding a selective absorption fin on an evaporation segment of the heat tube in advance; (d) inserting the heat tube into the glass tube; (e) rounding the bottom of the other end of the glass tube: (0 maintaining a gap between the metal tube and the condensation segment of the heat tube to serve as an exhaust passage, and integrally inserting the metal tube and the condensation segment ink) an exhaust groove icr vacuurnizing and exhausting; g) after vacuurnizing and exhausting, propelling the heat tube by means of a mechanical device in the exhaust groove to make the metal tube contact thc condensation segment of the hcat tube; (h) inciting the welding flux at thc outside of the exhaust groove in an inductive (for example, high frequency heating) manner to seal the heat tube type evacuated collector tube.
In the technical solution, the metal tube can also be flared, the exhaust groove and the flared end of the metal tube are sealed for exhausting, after the exhaust treatment, the mechanica' device in (lie exhaust groove propels (lie heat tube to make the condensation segment of the heat tube contact the necking end of the metal tuhc, the contact point is located at the outside of the exhaust groove, and (he heat tube type evacuated collector tube can he sealed in any manner of high frequency welding, laser welding or argon arc welding after the exhaust treatment. When the heat tube type evacuated collector tube is sealed in any manner of laser welding or argon arc welding, no welding flux is placed on the condensation segment of the heat tube.
hi the technical solution, on the end of the glass with the metal ring welded thereon, the glass tube can he treated in any manner ol necking treatment or non-necking treatment.
The material of the metal ring can he any one of aluminum, copper, carbon steel.
stainless steel, nickel, titanium and kovar alloy. The material of the metal tube can be any one of aluminum, copper, carbon steel, stainless steel, nickel, titanium and kovar alloy. When the metal ring and the metal tube are made from the same material, the metal ring and the metal tube can be not welded and are directly processed into an integral structure.
A heat tube type evacuated collector tube without an exhaust tail tube includes a glass tube, a heat tube, a fin, a metal ring and a metal tube, wherein the fin is welded at an evaporation segment of the heat tube, the metal ring is sealed with the glass tube, the metal tube is sealed with the metal ring, the condensation segment of the heat tube is welded with the metal tube, the components together form an internally evacuated and enclosed cavity, and no exhaust tail tube can he seen from the appearance of the collector tube.
No exhaust tail tube can be seen from the appearance ci the heat tube type evacuated collector tube obtained by the above-mentioned two solutions.
The above-mentioned solutions are used for solving a key problem in lie industry, which will absolutely promote the breakthrough of the heat tube type evacuated collector tube from product appearance to processing technology.
The present invention has the advantages that: (1) the tail tube welding process is reduced to improve the production efficiency; ) since no tail tube is welded, the product safety is improved and the service life is prolonged; (3) the appearance of the product is improved, and thus the product is easy to promote and apply.
Since no exhaust tail tube needs to he welded on this heat tube type evacuated collector tube without exhaust tail tube in advance, the production efficiency can be improved.
the production cost can be lowered, aud meanwhile the beauty of the product can be increased.
Brief Description of the Drawings
Fig. I a is a schematic diagram of a structure of a non-necking glass tube 4 and with a sheet metal 3 placed; Fig. lb is an enlarged schematic diagram in Fig. Ia; Fig. 2 is a schematic diagram of a structure of a necking glass tube 9 and with the sheet metal 3 placed; Fig. 3 is a schematic diagram of a structure of the non-necking glass tube 4 without the sheet metal 3; Fig. 4 is a schematic diagram of a structure of the necking glass tube 9 without the sheet
S
metal 3; Fig. S is a schematic diagram of a structure of the non-necking glass tube 4, in which a flared metal tube 2 is provided and the sheet metal 3 is placed; Fig. 6 is a schematic diagram of a structure of the necking glass tube 9, in which the flared metal tube 2 is provided and thc shect metal 3 is placed; Fig. 7 is a schematic diagram of a structure ol the non-necking glass tube 4, in which the flared metal tube 2 is provided and the sheet metal 3 is not placed; Fig. 8 is a schematic diagram ol a structure of the necking glass tube 5, in which the flared metal tube 2 is provided and the sheet metal 3 is not placed; Reference signs of components in the figures are expressed as follows: 1-metal ring; 2-metal tube; 3-sheet metal; 4-non-necking glass tube, 5-heat tube; 6-fin; 7-mechanical device; 8-exhaust groove;9-necking glass tube.
Detailed Description of the Embodiments
A further detailed illustration on contents of the present invention will he given below in combination with specific embodiments and the accompanying drawings, hut the protection scope of the present invention is not merely limited to the following embodiments, and any technical solutions equivalent to the contents of the present invention belong to the protection scope of the present patent.
First embodiment: RefelTing to Figs. la, lb. 2, 5 and 6, the common point lies in that a sheet metal 3 is provided, the dillerence lies in that the structures ol a g'ass tube in each figure are different, and a method for manufacturing a heat tube type evacuated collector tube without an exhaust tail tube includes the following steps: (a) welding a metal ring 1 on one end of a glass tube 4 or a glass tube 9: (h) welding a metal tube 2 on the metal ring 1; (c) placing the sheet metal 3 at a position close to a condensation segment of a heat tube 5. and respectively placing welding fluxes on the inner ring and the outer ring of the sheet metal 3, wherein a selective absorption fin 6 is welded on an evaporation segment of the heat tube 5 in advance; (d) inserting the heat tube 5 into the glass tube 4 or the glass tube 9; (e) rounding the bottom of the other end of the glass tube 4 or the & glass tube %;(f) maintaining a gap between the metal tube 2 and the sheet metal 3 on the heat tube 5 to serve as an exhaust passage, and integrally inserting the metal tube and the sheet metal into an exhaust groove 8 for vacuumizing and exhausting; (g) after vaeuumizing and exhausting, propelling the heat tube S by means of a mechanical device 7 in the exhaust groove 8 to make the metal tube 2 contact the sheet metal 3; h) melting the welding fluxes at the outside of the exhaust groove 8 in a high frequency heating mannel; welding the inner nng of the sheet metal 3 with the heat tube 5, and welding the outer ring with the metal tube 2 to seal the heat tube type evacuated collector tube.
In the embodiment, the metal tube 2 can also be flared, the exhaust groove 8 and the flared end of the metal tube 2 are sealed for exhausting. and after the exhaust treatment, the mechanical device 7 in the exhaust groove 8 propels the heat tube to make the sheet metal 3 contact the necking end of the metal tube 2, the contact point is located at the outside ol the exhaust groove 8, and the heat tube type evacuated collector tube can he sealed in any manner of high frequency welding, laser welding or argon arc welding alter the exhaust treatment. When the heat tube type evacuated collector tube is sealed in any manner of laser welding or argon arc welding, no welding flux is placed on the sheet metal 3, and at this time, the sheet metal 3 needs to be welded on the heat tube in advance.
In the embodiment, referring to Figs. 5 and 6, on the end of the glass tube 4 or the glass tube 9 with the metal ring 1 welded thereon, the glass tube can be treated in any manner ol necking treatment or non-necking treatment. The material of the metal ring I can he any one of aluminum, copper, carbon steel, stainless steel, nickel, titanium and kovar alloy. The material of the metal tube 2 can be any one of aluminum, copper. carbon steel, stainless steel, nickeL titanium and kovar alloy When the metal ring I and the metal tube 2 are made from the same material, the metal ring 1 and the metal tube 2 can be directly processed into an integral structure without. welding. The material of the sheet metal 3 can be any one of aluminum, copper, carbon steel, stainless steel, nickel, titanium and kovar alloy.
Second embodiment: This embodiment differs from the first emhodiment in that no sheet metal 3 needs to he added.
Referring to Figs. 3, 4, 7 and 8, the difference lies in that the structures of the glass tube in each figure are different, and a method for manufacturing a heat tube type evacuated collector tube without an exhaust tail tube includes the following steps: (a) welding a metal ring I on one end of a glass tube 4 or a glass tube 9; (h) welding a metal tube 2 on the metal ring 1; e) directly placing a welding flux on a condensation segment of a heat tube 5, wherein a selective absorption fin 6 is welded on an evaporation segment of the heat tube 5 in advance: (d) inserting the heat tube 5 into the glass tube 4 or the glass tube 9; (e) rounding the bottom of the other end of the glass tube 4 or the glass tube 9; (1) maintaining a gap between the metal tube 2 am! the condensation segment of the heat tube 5 to serve as an exhaust passage. and integrally inserting the metal tube and the condensation segment into an exhaust groove 8 for vacuurnizing and exhausting; (g) after vacuumizing and exhausting. propelling the heat tube S by means of a mechanical device 7 in the exhaust groove 8 to make the metal tube 2 contact the condensation segment of the heat tube 5; (Ii) melting the welding flux at the outside of the exhaust groove 8 in a high frequency heating manner to seal the heat tube type evacuated collector tube.
hi the embodiment, the metal tube 2 can a!so be flared, the exhaust oove 8 and the flared end of the metal tube 2 are sealed for exhausting, and after the exhaust treatment, the mechanical device 7 in the exhaust groove 8 propels the heat tube to make the condensation segment of the heat tube contact the necking end of the metal tube 2, the contact point is located at the outside of the exhaust groove 8, and the heat tube type evacuated collector tube can be sealed in any manner of high frequency welding, laser welding or argon arc welding after the exhaust treatment. When the heat tube type evacuated collector tube is sealed in any manner of laser welding or argon arc welding, no welding flux is placed on the condensation segment of the heat tube.
hi the embodiment, referring to Figs. 7 and 8, on the end of the glass tube 4 or the glass tube 9 with the metal ring 1 welded thereon, the glass tube 4 or the glass tube 9 can be treated in any manner of necking treatment or non-necking treatment. The material of & the metal ring I can he any one of aluminum, copper, carbon steel, stainless steel, nickeL titanium and kovar alloy. The material of the metal tube 2 can be any one of aluminum, copper, carbon steel, stainless steel, nickel, titanium and kovar alloy. When the metal ring I and the metal tube 2 are made from the same material, the metal ring I and the mctal tubc 2 can be directly processed into an integral structure without wclding.

Claims (9)

  1. Claims 1. A method for manufacturing a heat tube type evacuated collector tube without an exhaust tail tube, comprising the following steps: (a) welding a metal ring (1) on one cnd of a glass tubc; (h) wekling a metal tube (2) on die meta' ring (I); c) placing a welding flux on a condensation segment of a heat tube (5), or placing a sheet metal (3) at a position close to the condensation segment of the heat uhe (5), and respectively p'acing welding fluxes on the inner ring and the outer ring of the sheet metal (3), wherein an evaporation segment of the heat tube (5) is provided with a selective absorption fin (6); (d) inserting the heat tube (5) with the selective absorption fin (6) into the glass tube; e) rounding the bottom of the other end of the glass tube; (I) maintaining a gap between the metal tube (2) and the condensation segment of the heat tube (5) or the sheet metal (3) on the heat tube (5) to serve as an exhaust passage, and integrally inserting the meta' tube and the condensation segment or the sheet metal into an exhaust groove (8) for vacuumizing and exhausting; (g) after vacuumizing and exhausting. propelling the condensation segment of the heat tube (5) by means of a mechanical device (7) in the exhaust groove (8) to make the metal tubc (2) contact the sheet metal (3), or make the condensation segment of the heat tube (5) with the welding flux placed thereon contact the metal tube (2); (h) melting the wekling flux at the outside of the exhaust groove (8) in an inductive heating manner to seal the heat tube type evacuated collector tube.
  2. 2. The method for manufacturing the heat tube type evacuated collector tube without the exhaust tail tube of claim 1. wherein in the manufacturing method, the metal tube (2) can also be flared, the exhaust groove (8) and the flared end of the metal tube (2) are sealed for exhausting. and after the exhaust treatment, the mechanical device 7) in the exhaust groove (8) propels the heat tube to make the sheet metal 3) contact the necking end of the metal tube (2), or no sheet metal (3) is placed, the condensation segment of the heat tube (5) directly contacts the necking end of the metal tube (2), the contact point is located at the outside of the exhaust groove (8), and the heat tube type evacuated collector tube can be sealed in any manner of high frequency welding, laser welding or argon arc welding after the exhaust treatment.
  3. 3. The method for manulacturing the heat tube type evacuated collector tube without the exhaust tail tube of claim 2, wherein in the manufacturing method, when the heat tube type evacuated collector tube is sealed in any manner of laser welding or argon arc welding, no welding flux is placed on the sheet metal (3) or the condensation segment of the heat tube, and the sheet metal (3) is welded on the heat tube in advance.
  4. 4. The method for manufacturing the heat tube type evacuated collector tube without the exhaust tail tube of claim 1 or 2, wherein on the end of the glass tube with the metal ring (I) welded thereon, the g'ass tube can he treated in any manner of necking treatment or non-necking treatment.
  5. 5. The method for manufacturing the heat tube type evacuated collector tube without the exhaust tail tube of claim 1 or 2, wherein the material of the metal ring (1) can be any one of aluminum, copper, carbon steel, stainless steel, nickel, titanium and kovar alloy; the material of the metal tubc (2) can be any one of aluminum, copper, carbon steel, stainless steel, nickel, titanium and kovar alloy.
  6. 6. The method for manufacturing the heat tube type evacuated collector tube without the exhaust tail tube of claim 1 or 2, wherein when the metal ring (1) and the metal tube (2) are made from the same material, the metal ring (I) and the metal tube (2) can he directly processed into an integral structure without welding.
  7. 7. The mcthod for manufacturing the heat tube type cvacuated collector tubc without the exhaust tail tube of claim 1 or 2, wherein the material of the sheet metal 3) can be any one of aluminum, copper, carbon steel, stainless steel, nickel, titanium and kovar alloy.
  8. 8. An evacuated collector tube made by the manufacturing method of claim 1.comprising a glass tube, a heat tube (5), a fin (6), a metal ring (1), a metal tube (2) and a sheet metal (3). wherein the sheet metal (3) is welded at a position close to a condensation segment of the heat tube (5), the fin (6) is welded at an evaporation segment of the heat tube (5), the metal ring (1) is sealed with the glass tube, the metal tube (2) is sealed with the metal ring (I), the sheet metal (3) is welded with the metal tube (2), and the components together form an internally evacuated and endosed cavity.
  9. 9. An evacuated collector tube made by the manufacturing method of claim 1.comprising a glass tube, a heat tube (5). a fin (6), a metal ring (1) and a metal tube (2), wherein the fin (6) is welded at an evaporation segment of the heat tube 5). the metal ring (1) is sealed with the g'ass tube, the metal tube (2) is sealed with the metal ring (1).a condensation segment of the heat tube (5) is welded with the metal tube (2), and the components together form an internally evacuated and endosed cavity.
GB1517444.4A 2013-04-23 2013-05-28 Method for manufacturing heat tube type evacuated collector tube without exhaust tail tube and evacuated collector tube Expired - Fee Related GB2528805B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201310143396 2013-04-23
CN201310176208.4A CN103335425B (en) 2013-04-23 2013-05-13 Manufacturing method of heat tube type vacuum heat collecting tube without tail tube and vacuum heat collecting tube
PCT/CN2013/076320 WO2014172952A1 (en) 2013-04-23 2013-05-28 Method for manufacturing heat pipe type vacuum heat collecting pipe without tail pipe, and vacuum heat collecting pipe

Publications (3)

Publication Number Publication Date
GB201517444D0 GB201517444D0 (en) 2015-11-18
GB2528805A true GB2528805A (en) 2016-02-03
GB2528805B GB2528805B (en) 2018-05-09

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GB1517444.4A Expired - Fee Related GB2528805B (en) 2013-04-23 2013-05-28 Method for manufacturing heat tube type evacuated collector tube without exhaust tail tube and evacuated collector tube

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CN (2) CN203274328U (en)
DE (1) DE112013006973B4 (en)
GB (1) GB2528805B (en)
WO (1) WO2014172952A1 (en)

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CN115056156B (en) * 2022-07-21 2023-05-26 上海惠而顺精密工具股份有限公司 Split grinding tool welding method and grinding tool thereof

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CN103335425A (en) 2013-10-02
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CN203274328U (en) 2013-11-06
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GB2528805B (en) 2018-05-09
DE112013006973T5 (en) 2016-04-21

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