CN107449167A - A kind of solar energy optical-thermal thermal-collecting tube - Google Patents
A kind of solar energy optical-thermal thermal-collecting tube Download PDFInfo
- Publication number
- CN107449167A CN107449167A CN201710809767.2A CN201710809767A CN107449167A CN 107449167 A CN107449167 A CN 107449167A CN 201710809767 A CN201710809767 A CN 201710809767A CN 107449167 A CN107449167 A CN 107449167A
- Authority
- CN
- China
- Prior art keywords
- thermal
- tube
- sealing
- solar energy
- plate
- 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.)
- Pending
Links
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 7
- 238000005336 cracking Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- CFOAUMXQOCBWNJ-UHFFFAOYSA-N [B].[Si] Chemical compound [B].[Si] CFOAUMXQOCBWNJ-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910000833 kovar Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/40—Preventing corrosion; Protecting against dirt or contamination
- F24S40/46—Maintaining vacuum, e.g. by using getters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/30—Auxiliary coatings, e.g. anti-reflective coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The present invention relates to a kind of solar energy optical-thermal thermal-collecting tube, including：Outer tube, the both ends of outer tube are connected with the first sealing-in plate and the second sealing-in plate respectively by connection ring；Inner tube, inner tube are arranged on the inside of outer tube, and the both ends of inner tube are connected to the first efferent duct and the second efferent duct, and the outer surface of inner tube is corrugated, and is coated with absorption film, and vacuum cavity is formed by vacuumizing between inner and outer tubes.The outer surface of inner tube is arranged to corrugated by the solar energy optical-thermal thermal-collecting tube of the present invention, and is coated with absorption film, has both been increased the area of heat absorption, also ensure that absorptivity；First sealing-in plate and the both ends connection ring of the second sealing-in plate and outer tube are closely connected, it ensure that vacuum cavity is in vacuum state, stress caused by sealing-in can effectively be controlled, the generation for the problems such as avoiding cracking glasses, it ensure that the yield rate of product, it is interior during use at it, avoid producing the phenomenon that sealing-in is released and is broken.
Description
Technical field
The present invention relates to solar energy thermal-power-generating technical field, more particularly to a kind of solar energy optical-thermal thermal-collecting tube.
Background technology
Solar energy optical-thermal thermal-collecting tube, it is the important equipment of solar heat utilization.In solar energy thermal-power-generating New Equipment Engineering
In, ten hundreds of solar energy heat collection pipes, play the key player that luminous energy is changed into heat energy.And solar energy heat collection pipe is excellent
Select structure, it is desirable to will be assembled for conveying the steel inner tube of heat build-up medium with the glass tube outer tube with fabulous translucent effect
Come, and form vacuum region layer therebetween, to seek preferably to maximize collecting efficiency.
And the surface area of traditional its outer surface of steel inner tube does not maximally utilize.In addition, sealed using outward appearance end
When fishplate bar is combined inner tube with outer tube progress sealing-in, its combined process is complex.
The content of the invention
The technical problems to be solved by the invention are in view of the shortcomings of the prior art, there is provided a kind of solar energy optical-thermal thermal-arrest
Pipe, to solve at least one of above-mentioned technical problem.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of solar energy optical-thermal thermal-collecting tube, including：
Outer tube, the both ends of the outer tube are connected with the first sealing-in plate and the second sealing-in plate respectively by connection ring；
Inner tube, said inner tube are arranged on the inside of the outer tube, and the both ends of said inner tube are connected to the first efferent duct
With the second efferent duct, first efferent duct passes through the first sealing-in plate, and second efferent duct passes through second sealing-in
Plate, the outer surface of said inner tube is corrugated, and is coated with absorption film, to be formed between said inner tube and the outer tube by vacuumizing
There is vacuum cavity.
The beneficial effects of the invention are as follows：The outer surface of inner tube is arranged to ripple by the solar energy optical-thermal thermal-collecting tube of the present invention
Shape, and absorption film is coated with, the area of heat absorption has both been increased, also ensure that absorptivity；By the first sealing-in plate and the second sealing-in plate with
The both ends connection ring connection of outer tube, is completely embedded, ensure that vacuum cavity is in vacuum state, meanwhile, it can effectively control envelope
Caused stress is connect, the generation for the problems such as avoiding cracking glasses, ensure that the yield rate of product, and at it during use
It is interior, avoid producing the phenomenon that sealing-in is released and is broken.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, said inner tube includes metal tube and bellows, and the bellows-sheathed is located at the outside of the metal tube, institute
The one end for stating bellows is connected with one end of first efferent duct, and the other end is connected with one end of second efferent duct, institute
Absorption film is stated to be arranged on the outer surface of the bellows.
It is using the above-mentioned further beneficial effect of scheme：Bellows is arranged on the outside of metal tube, and absorption film is plated in
On the outer surface of bellows, the area of heat absorption was both increased, also ensure that absorptivity.
Further, the other end of the other end of first efferent duct and second efferent duct is provided with connection knot
Structure.
Further, the attachment structure is screw thread or clamping structure.
It is using the above-mentioned further beneficial effect of scheme：Set and connect in the end of the first efferent duct and the second efferent duct
Structure, the connection or the connection between fixing device being easy between adjacent two thermal-collecting tubes, provided convenience for later stage use,
To ensure that its serial or parallel connection in collecting system uses, the heat energy of the concentrated collection sun to a greater extent.
Further, the structure of the connection ring and size are adapted with the outer tube, the side of the connection ring with it is described
One end of outer tube closely connects, and two connection rings are respectively sleeved at the inner side of the first sealing-in plate and second sealing-in
The inner side of plate.
Further, the connection ring is made of metal material.
It is using the above-mentioned further beneficial effect of scheme：First, second sealing-in plate and outer tube are carried out using connection ring
Connection, and realize that one end of connection ring and outer tube closely connects, matching connection or dismatching connection can be used, realizes two
The air-tightness connection of person.
Further, one or more support members are provided between the outer tube and inner tube, the support member is set in described
The outside of inner tube, and be bonded with the outer tube wall.
Further, multiple support member equidistantly distributeds are in the outer tube.
It is using the above-mentioned further beneficial effect of scheme：Multiple support members are distributed in outer tube at equal intervals, used
In support inner tube, and to playing a part of connection between outer tube and inner tube.
Further, the exhaust that the solar energy optical-thermal thermal-collecting tube also includes being used to the vacuum cavity being evacuated blocks
Device, the exhaust plugging device be arranged on the outer tube or the sealing-in plate on, and connected with the vacuum cavity.
Brief description of the drawings
Fig. 1 is the overall structure figure of solar energy optical-thermal thermal-collecting tube of the present invention；
Fig. 2 is inner tube of the present invention and the connection structure diagram of sealing-in plate.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, outer tube；11st, the first sealing-in plate；12nd, the second sealing-in plate；13rd, it is vented plugging device；2nd, connection ring；3rd, inner tube；
31st, metal tube；32nd, bellows；4th, the first efferent duct；5th, the second efferent duct；6th, support member；7th, attachment structure.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of solar energy optical-thermal thermal-collecting tube of the present invention, including outer tube 1, connection ring 2 and inner tube 3.Wherein,
The both ends of the outer tube 1 are connected with the first sealing-in plate 11 and the second sealing-in plate 12 respectively by connection ring 2；Said inner tube 3 is set
In the inside of the outer tube 1, the both ends of said inner tube 3 are connected to the first efferent duct 4 and the second efferent duct 5, and described first
Efferent duct 4 passes through the first sealing-in plate 11, and second efferent duct 5 passes through the second sealing-in plate 12, said inner tube 3 it is outer
Surface is corrugated, and is coated with absorption film, by vacuumizing formed with vacuum cavity between said inner tube 3 and the outer tube 1.
Relative to prior art, the outer surface of inner tube 3 is arranged to corrugated by solar energy optical-thermal thermal-collecting tube of the invention, and
Absorption film is coated with, the area of heat absorption has both been increased, also ensure that absorptivity；By the first sealing-in plate 11 and the second sealing-in plate 12 and outside
The both ends connection ring 2 of pipe 1 connects, and is completely embedded, and ensure that vacuum cavity is in vacuum state, meanwhile, it can effectively control envelope
Caused stress is connect, the generation for the problems such as avoiding cracking glasses, ensure that the yield rate of product, and at it during use
It is interior, avoid producing the phenomenon that sealing-in is released and is broken.
As shown in Fig. 2 specifically, said inner tube 3 includes metal tube 31 and bellows 32, the bellows 32 is set in institute
The outside of metal tube 31 is stated, one end of the bellows 32 is connected with one end of first efferent duct 4, the other end and described the
One end connection of two efferent ducts 5, the absorption film are arranged on the outer surface of the bellows 32.By the heat absorption in internal mechanism
Part is formed using metal tube 31 and the structure of bellows 32, after the surface of bellows 32 plating absorption film, it is possible to increase the collection of thermal-collecting tube
Hot property.The heat that metal tube 31 and bellows 32 are collected into finally is discharged by the first efferent duct 4 and the second efferent duct 5.First
Efferent duct 4 passes through the first sealing-in plate 11, and the second efferent duct 5 passes through the second sealing-in plate 12, to ensure its switching performance, the first output
The junction of the junction of the sealing-in plate 11 of pipe 4 and first, the second efferent duct 5 and the second sealing-in plate 12 is connected using welding manner
Connect.
In order to ensure the integrated use of solar energy optical-thermal thermal-collecting tube, the other end of first efferent duct 4 and described
The other end of two efferent ducts 5 is provided with attachment structure 7.Connection knot is set in the end of the first efferent duct 4 and the second efferent duct 5
Structure 7, the connection or the connection between fixing device being easy between adjacent two thermal-collecting tubes, provided convenience for later stage use,
To ensure that its serial or parallel connection in collecting system uses, the heat energy of the concentrated collection sun to a greater extent.Preferably, the company
Binding structure 7 is screw thread or clamping structure, can be attached by screw thread or is attached by quick clamping structure.
As shown in Figure 1, 2, the structure of the connection ring 2 of the invention and size are adapted with the outer tube 1, the connection
The side of ring 2 is closely connected with one end of the outer tube 1, and two connection rings 2 are respectively sleeved at the first sealing-in plate 11
Inner side and the second sealing-in plate 12 inner side.The connection ring 2 is made of metal material.In order to ensure connection ring 2 with
The compactness that outer tube 1 connects, by matching or dismatching sealing-in between connection ring 2 and outer tube 1, to realize two materials
Air-tightness connects.Matched seal is that glass-to-metal seal is got up as connection ring 2 using kovar alloy.Due to conjunction can be cut down
The coefficient of expansion of gold is relatively close to silicon boron glass, thus under its sealing property and working condition, flow performance is all fine.Non-
It is the direct sealing-in of hard glass by the metal of connection ring 2 and outer tube 1 with property sealing-in.Under normal circumstances, outer tube 1 selects glass material
Matter.But in actual production, the organic polymer of high printing opacity can be selected as needed.
As shown in Fig. 2 being provided with one or more support members 6 between the outer tube 1 and inner tube 3, the support member 6 is arranged
It is bonded in the outside of said inner tube 3, and with the inwall of outer tube 1.When multiple support members 6 need to be used, multiple support members 6
Equidistantly distributed is inside the outer tube 1.Through hole is offered inside support member 6, inner tube 3 passes through the through hole, and support member 6 is in ring
Shape, its outside are bonded with the inner tight of outer tube 1, to realize the effect of support.
In addition, the exhaust that the solar energy optical-thermal thermal-collecting tube also includes being used to the vacuum cavity being evacuated blocks dress
Put, the exhaust plugging device is arranged on the outer tube 1 or on the sealing-in plate, and is connected with the vacuum cavity.The row
Sealing gland block apparatus is generally used for vacuum cavity vacuum state.The device can be arranged on above outer tube 1, can also be set
On the first sealing-in plate 11 or the second sealing-in plate 12 at both ends.So, after vacuum is extracted to vacuum cavity, it ensure that vacuum sky
Chamber is not in contact with outside air, and air-tightness is good.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, limited unless otherwise clear and definite.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (9)
- A kind of 1. solar energy optical-thermal thermal-collecting tube, it is characterised in that including：Outer tube, the both ends of the outer tube are connected with the first sealing-in plate and the second sealing-in plate respectively by connection ring；Inner tube, said inner tube are arranged on the inside of the outer tube, and the both ends of said inner tube are connected to the first efferent duct and Two efferent ducts, first efferent duct pass through the first sealing-in plate, and second efferent duct passes through the second sealing-in plate, institute It is corrugated to state the outer surface of inner tube, and is coated with absorption film, vacuum is formed by vacuumizing between said inner tube and the outer tube Cavity.
- 2. a kind of solar energy optical-thermal thermal-collecting tube according to claim 1, it is characterised in that said inner tube includes metal tube and ripple Line pipe, the bellows-sheathed are located at the outside of the metal tube, one end of the bellows and one end of first efferent duct Connection, the other end are connected with one end of second efferent duct, and the absorption film is arranged on the outer surface of the bellows.
- A kind of 3. solar energy optical-thermal thermal-collecting tube according to claim 2, it is characterised in that the other end of first efferent duct Attachment structure is provided with the other end of second efferent duct.
- 4. a kind of solar energy optical-thermal thermal-collecting tube according to claim 3, it is characterised in that the attachment structure is screw thread or card Assembling structure.
- 5. a kind of solar energy optical-thermal thermal-collecting tube according to claim 1, it is characterised in that the structure and size of the connection ring It is adapted with the outer tube, the side of the connection ring is closely connected with one end of the outer tube, two connection ring difference It is set in the inner side of the first sealing-in plate and the inner side of the second sealing-in plate.
- 6. a kind of solar energy optical-thermal thermal-collecting tube according to claim 5, it is characterised in that the connection ring uses metal material Matter is made.
- 7. a kind of solar energy optical-thermal thermal-collecting tube according to claim 1, it is characterised in that set between the outer tube and inner tube One or more support members are equipped with, the support member is set in the outside of said inner tube, and is bonded with the outer tube wall.
- 8. a kind of solar energy optical-thermal thermal-collecting tube according to claim 7, it is characterised in that multiple support members are equidistant It is distributed in the outer tube.
- 9. according to a kind of any one of claim 1 to 8 solar energy optical-thermal thermal-collecting tube, it is characterised in that the solar energy Hot thermal-collecting tube also includes being used for the exhaust plugging device that the vacuum cavity is evacuated, and the exhaust plugging device is arranged on On the outer tube or on the sealing-in plate, and connected with the vacuum cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710809767.2A CN107449167A (en) | 2017-09-11 | 2017-09-11 | A kind of solar energy optical-thermal thermal-collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710809767.2A CN107449167A (en) | 2017-09-11 | 2017-09-11 | A kind of solar energy optical-thermal thermal-collecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107449167A true CN107449167A (en) | 2017-12-08 |
Family
ID=60496122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710809767.2A Pending CN107449167A (en) | 2017-09-11 | 2017-09-11 | A kind of solar energy optical-thermal thermal-collecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107449167A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566193Y (en) * | 2002-07-12 | 2003-08-13 | 清华大学 | Double-through glass-metal vacuum solar heat collecting pipe with direct compensation internal pipe |
| CN2620223Y (en) * | 2003-06-12 | 2004-06-09 | 张建城 | Solar vacuum heat collecting pipe with built-in metal runner |
| CN2738167Y (en) * | 2004-10-22 | 2005-11-02 | 张建城 | High temperature resisting and anti high pressure metal runner solar vacuum heat collecting tube |
| CN201003869Y (en) * | 2006-11-15 | 2008-01-09 | 张建城 | Line-focusing solar energy vacuum heat-collecting pipe |
| CN101256038A (en) * | 2008-03-11 | 2008-09-03 | 东南大学 | Straightthrough type double glazing vacuum heat collection tube |
| CN103673350A (en) * | 2013-12-05 | 2014-03-26 | 敖火庚 | Manufacturing method of solar vacuum heat-collecting tube |
| CN207230979U (en) * | 2017-09-11 | 2018-04-13 | 冯秀华 | A kind of solar energy optical-thermal thermal-collecting tube |
-
2017
- 2017-09-11 CN CN201710809767.2A patent/CN107449167A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566193Y (en) * | 2002-07-12 | 2003-08-13 | 清华大学 | Double-through glass-metal vacuum solar heat collecting pipe with direct compensation internal pipe |
| CN2620223Y (en) * | 2003-06-12 | 2004-06-09 | 张建城 | Solar vacuum heat collecting pipe with built-in metal runner |
| CN2738167Y (en) * | 2004-10-22 | 2005-11-02 | 张建城 | High temperature resisting and anti high pressure metal runner solar vacuum heat collecting tube |
| CN201003869Y (en) * | 2006-11-15 | 2008-01-09 | 张建城 | Line-focusing solar energy vacuum heat-collecting pipe |
| CN101256038A (en) * | 2008-03-11 | 2008-09-03 | 东南大学 | Straightthrough type double glazing vacuum heat collection tube |
| CN103673350A (en) * | 2013-12-05 | 2014-03-26 | 敖火庚 | Manufacturing method of solar vacuum heat-collecting tube |
| CN207230979U (en) * | 2017-09-11 | 2018-04-13 | 冯秀华 | A kind of solar energy optical-thermal thermal-collecting tube |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |
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| WD01 | Invention patent application deemed withdrawn after publication |