CN106989522A - Through-type all-glass vacuum thermal-collecting tube - Google Patents
Through-type all-glass vacuum thermal-collecting tube Download PDFInfo
- Publication number
- CN106989522A CN106989522A CN201710308879.XA CN201710308879A CN106989522A CN 106989522 A CN106989522 A CN 106989522A CN 201710308879 A CN201710308879 A CN 201710308879A CN 106989522 A CN106989522 A CN 106989522A
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- Prior art keywords
- vacuum
- tube
- inner tube
- sorbing material
- collecting
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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
- F24S70/00—Details of absorbing elements
- F24S70/10—Details of absorbing elements characterised by the absorbing material
-
- 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
-
- 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)
- 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)
- Thermal Insulation (AREA)
Abstract
A kind of through-type all-glass vacuum thermal-collecting tube has overheat protective structure, including inner tube, outer tube and positioned at inner tube, vacuum interlayer between outer tube, outer tube can pass through sunlight, the outer surface of inner tube or the internal solar energy heating layer for being disposed with absorption solar radiation, the sorbing material of adsorbable gas is disposed with vacuum interlayer, when sorbing material is in the pipe of the vacuum heat collection pipe below design temperature or in inner tube, when in the setting temperature difference between outer tube in cold conditions, adsorbed gas is to maintain heat-insulation vacuum degree needed for vacuum heat collection pipe insulation, and when vacuum heat collection pipe meets or exceeds design temperature or inner tube in pipe, when being hot during the setting temperature difference between outer tube, sorbing material is heated up and released the gas of absorption, so that vacuum interlayer vacuum declines in vacuum heat collection pipe.
Description
Technical field
The present invention relates to through-type all-glass vacuum thermal-collecting tube.
Background technology
Solar vacuum heat-collecting pipe is the effective means to solar energy heat utilization.Its basic structure is generally by there is printing opacity work
Outer glass tube, the vacuum interlayer being disposed between the inner tube of solar energy decalescence filmses, inner and outer pipes etc. are constituted.The thermal-collecting tube possesses into
This low, efficiency high is beneficial to the technical characterstic of popularization.However, high in the pipe that solar vacuum heat-collecting pipe is formed under the situations such as air drying
When high-temperature difference is formed between temperature, or outer glass tube and inner tube, its efficiency can decline, and vacuum pipe from cracking easily occur
Etc. failure.
The content of the invention
It is an object of the invention to provide a kind of through-type all-glass vacuum thermal-collecting tube, it has thermal-collecting tube overtemperature protection knot
Structure.
A kind of through-type all-glass vacuum thermal-collecting tube includes inner tube, outer tube and the vacuum clip between inner tube, outer tube
Layer, outer tube can pass through sunlight, the outer surface of inner tube or the internal solar energy heating layer for being disposed with absorption solar radiation, and its feature exists
In the sorbing material of adsorbable gas being disposed with the vacuum interlayer, when the sorbing material is in the vacuum heat collection pipe
When in pipe below design temperature or in the setting temperature difference between said inner tube, the outer tube in cold conditions, absorption
Gas is set with maintaining heat-insulation vacuum degree needed for the vacuum heat collection pipe insulation when the vacuum heat collection pipe is met or exceeded in pipe
When being hot during the setting temperature difference between constant temperature degree or said inner tube, the outer tube, the sorbing material be heated up and
The gas of absorption is released, so that vacuum interlayer vacuum declines in vacuum heat collection pipe.
In one embodiment, the vacuum heat collection pipe is additionally included in the getter arranged in the vacuum interlayer, described to cool down
Agent is used to produce chemical reaction with non-inert gas remaining in vacuum interlayer, disappears so as to realize that residual gas physics is irreversible
Remove, so that vacuum when ensureing the cold conditions of the solar vacuum heat-collecting pipe.
In one embodiment, the sorbing material absorbs in advance gas.
In one embodiment, the sorbing material surface when described hot partly or entirely not with said inner tube outside wall surface
Directly contact.
In one embodiment, the vacuum heat collection pipe is additionally included in the bimetallic material of arrangement in the vacuum interlayer, described
Bimetallic material is used for the tube wall temperature change for sensing said inner tube and deformed, or for sensing the outer tube, said inner tube
Between tube wall temperature difference change and deform, and drive when the vacuum heat collection pipe reaches described hot the sorbing material to produce
Raw displacement, so that the sorbing material is heated by said inner tube.
In one embodiment, when described hot, the sorbing material is contacted with the outside wall surface of said inner tube or by leading
Hot material is contacted with the wall of said inner tube.
In one embodiment, the sorbing material is porous adsorbing material.
In one embodiment, the bimetallic material includes outer bimetallic material and interior bimetallic material, outer double gold
Category material is contacted with the outer tube, and the interior bimetallic material is contacted with said inner tube, the outer bimetallic material and described interior
Mutually pushed up each other and thermally isolated from each other between bimetallic material, so that institute is driven in the temperature difference change between said inner tube, the outer tube
Outer bimetallic material and the interior bimetallic material displacement are stated, and then drives the sorbing material displacement.
In one embodiment, said inner tube outer surface is disposed with low-launch-rate radiating layer, said inner tube outer surface arrangement
Low-launch-rate radiating layer only local complexity said inner tube outside wall surface, sunlight is through the outer tube and passes through said inner tube, by cloth
The heat sink being placed in said inner tube absorbs.
In one embodiment, the low-launch-rate radiating layer is solar selective absorbing film.
According to the present invention thermal-collecting tube, ensure solar vacuum heat-collecting pipe temperature in pipe be not up to control high temperature values or
Control to claim cold conditions in the case of high inner and outer tubes temperature difference, keep the excellent adiabatic heat insulating effect and high collection thermal effect of vacuum tube
Rate, and when temperature meets or exceeds control high temperature values or controls high inner and outer tubes temperature difference in pipe, put by sorbing material
Gas, reduces the vacuum of vacuum interlayer, vacuum heat collection pipe heat loss factor is improved, so as to effectively control solar vacuum heat-collecting pipe
Pipe in temperature, it is to avoid the influence and security risk of long-term overtemperature degree or temperature difference operation to efficiency, and ensure that it is being returned to
After normal operating temperature scope, sorbing material returns to cold conditions, and reuptakes the gas of releasing, recovers the Gao Zhen of vacuum interlayer
Reciprocal of duty cycle, high efficiency photothermal deformation when ensureing normal operation.
Brief description of the drawings
The above and other features of the present invention, property and advantage will pass through retouching with reference to the accompanying drawings and examples
State and become readily apparent from, wherein：
Fig. 1 is the solar vacuum heat-collecting pipe vacuum and heat loss coefficient relation schematic diagram according to the present invention；
Fig. 2 is the front view of solar vacuum heat-collecting pipe in one embodiment of the invention.
Fig. 3 is the stereogram of thermal-collecting tube shown in Fig. 2.
Fig. 4 is the front view of solar vacuum heat-collecting pipe in another embodiment of the present invention.
Fig. 5 is the partial enlarged view at I in Fig. 4.
Fig. 6 is the sectional view of the line A-A along along Fig. 7.
Fig. 7 is the side view of solar vacuum heat-collecting pipe in another embodiment of the present invention.
Fig. 8 is the line B-B sectional view along along Fig. 6.
Fig. 9 is the partial enlarged view along along Fig. 6 at II.
Figure 10 is the sectional view of the line C-C along along Fig. 6.
Figure 11 is the partial enlarged view along along Fig. 8 at III.
Figure 12 is the partial enlarged view along along Figure 10 at IV.
Embodiment
In the following description, with reference to each embodiment, present invention is described.However, those skilled in the art will recognize
Knowing can replace and/or addition method, material or component in the case of neither one or multiple specific details or with other
Implement each embodiment together.It is not shown or known structure, material or operation are not described in detail in order to avoid making this in other situations
The aspects of each embodiment of invention is obscure.Similarly, for purposes of explanation, specific quantity, material and configuration are elaborated, with
Comprehensive understanding to embodiments of the invention is just provided.However, the present invention can be implemented in the case of no specific detail.This
Outside, it should be understood that each embodiment shown in accompanying drawing is illustrative expression and is not drawn necessarily to scale.
As shown in figure 1, the heat loss coefficient of solar vacuum heat-collecting pipe is shown wherein with layer vacuum corresponding relation, folder
Layer vacuum is 10-2Pa and 10Pa narrow range, interval more than this, vacuum heat collection pipe heat loss coefficient has the change of Kick type
Change, it is sufficient to make vacuum heat collection pipe from good adiabatic heat-insulation state change to abundant radiating state.Therefore, if by thermal-collecting tube
Vacuum reduction is moved to right along the transversal line in Fig. 1 in other words, the maximum temperature of the inner tube of vacuum heat collection pipe and the temperature of inner and outer pipes
Degree difference is controlled, so as to ensure the reliability of vacuum heat collection pipe and the long-time stability of selective heat-absorbing film.
Fig. 2 is front view, and Fig. 3 is stereogram, Fig. 2, Fig. 3 be illustrated that it is half-sectional after vacuum heat collection pipe, i.e., it is through-type complete
Glass heat-collecting vacuum tube.As shown in Figures 2 and 3, vacuum interlayer 1 is formed between outer tube 2 and inner tube 3.Arrange and inhale in vacuum interlayer 1
Enclosure material 5.Sorbing material 5 is arranged in vacuum interlayer 1 by support 6.The outer tube wall of inner tube 2 is disposed with solar energy heat absorbing layer 4.
Support 6 is fixed in inner tube 3, can also be fixed on outer tube 2.Support 6 can be made of heat-insulating material.
In addition in the surface layout bimetal leaf 7 of inner tube 3.Getter 10 is arranged in vacuum interlayer 1.Getter is by changing
Residual gas in the irreversible elimination vacuum interlayer of reaction is learned, vacuum degree of cold state is kept.Sorbing material 5 can be molecular sieve or work
Property the porous adsorbing material such as charcoal, the laminated structure for being less than 1 millimeter in thickness is arranged in vacuum interlayer 1, and sorbing material 5 is with cooling down
Agent 10 is different, and the purpose of sorbing material 5 is to suck gas, it is possible to discharged after temperature rise, it does not play elimination gas
The effect of body.The purpose of getter 10 is to play a part of eliminating residual gas, even if temperature is increased, residual gas is not yet
Meeting substance is released.
It is double when vacuum heat collection pipe, which absorbs temperature and the tube wall temperature of inner tube 3 in solar energy, pipe, to be increased to up to protection temperature
The heated bending of sheet metal 7, connection inner tube 3 and sorbing material 5.Therefore sorbing material 5 forms notable temperature rise.Sorbing material 5
Occurred after the gas of middle absorption is heated into vacuum interlayer 1, the gas that sorbing material 5 is adsorbed can be inert gas.Vacuum
The vacuum of interlayer 1 is destroyed, according to Fig. 1, and the heat loss factor of vacuum heat collection pipe inner tube 3 and outer tube 2 significantly becomes big, from
And cause the temperature reduction of inner tube 3.After the temperature of inner tube 3 is reduced to below control temperature, the degree of crook of bimetal leaf 7 drop
It is low, disconnect connection inner tube 3 and the passage of heat of sorbing material 5.The temperature of sorbing material 5 progressively declines and recovers gettering ability.
So as to which the gas in vacuum interlayer 1 is reuptaked in sorbing material 5.Vacuum in vacuum interlayer 1 is significantly improved, very
Empty set heat pipe progressively recovers collecting efficiency in operating temperature range.
Fig. 4 and Fig. 5 are shown in another embodiment of the present invention.The present embodiment continue to use the element numbers of previous embodiment with
Partial content, wherein adopting the identical or approximate element that is denoted by the same reference numerals, and is optionally eliminated constructed
The explanation of content.Explanation on clipped can refer to previous embodiment, and it is no longer repeated for the present embodiment.
Vacuum interlayer 1 is formed between outer tube 2 and inner tube 3.Sorbing material 5 is arranged in vacuum interlayer 1.Sorbing material 5 passes through
Support 6 is arranged in inner tube 3.The outer tube wall of inner tube 3 is disposed with solar energy heat absorbing layer 4.In addition in the double gold of surface layout of inner tube 3
Belong to piece 7.When vacuum heat collection pipe, which absorbs temperature and the tube wall temperature of inner tube 3 in solar energy, pipe, to be increased to up to protection temperature, double gold
Belong to the heated bending of piece 7, the thermally conductive sheet 9 for driving heat conduction good will be connected with the sheet metal 8 that sorbing material 5 is well thermally contacted, so that
Connect inner tube 3 and sorbing material 5.Therefore sorbing material 5 forms notable temperature rise.The gas adsorbed in sorbing material 5 is heated
Occurred afterwards into vacuum interlayer 1.The vacuum of vacuum interlayer 1 is destroyed, vacuum heat collection pipe inner tube 3 and the heat waste of outer tube 2
Lose coefficient and significantly become big, so that the temperature reduction of inner tube 3.After the temperature of inner tube 3 is reduced to below control temperature, double gold
Belong to the reduction of the degree of crook of piece 7, disconnect connection inner tube 3 and the passage of heat of sorbing material 5.The temperature of sorbing material 5 progressively declines
And recover gettering ability.So as to which the gas in vacuum interlayer 1 is reuptaked in sorbing material 5.Sorbing material 5 may be arranged at
Vacuum interlayer two ends, are conducive to ensureing infiltration rate under the influence of gravity.Vacuum in vacuum interlayer 1 is significantly improved, vacuum
Thermal-collecting tube progressively recovers collecting efficiency in operating temperature range.
Fig. 6 to Figure 12 is shown in another embodiment of the present invention.The present embodiment continues to use the element numbers of previous embodiment
With partial content, wherein adopting the identical or approximate element that is denoted by the same reference numerals, and identical skill is optionally eliminated
The explanation of art content.Explanation on clipped can refer to previous embodiment, and it is no longer repeated for the present embodiment.
Vacuum interlayer 1 is formed between outer tube 2 and inner tube 3.Sorbing material 5 is arranged in vacuum interlayer 1.Sorbing material 5 passes through
Interior bimetal leaf 71 and outer bimetal leaf 72 are arranged in vacuum interlayer 1.The setting of interior bimetal leaf 71 and outer bimetal leaf 72
Mode is on the contrary, interior bimetal leaf 71 curves inwardly after being heated, and outer bimetal leaf 72 is bent outwardly after being heated, and result is adsorption material
Material 5 is determined in the temperature difference of the displacement between inner tube 3 and outer tube 2 of vacuum interlayer 1.As shown in Fig. 8, Figure 11, outer bimetallic
Inwall of the leg of piece 71 respectively with outer tube 2 is contacted, and the wall contacts of the leg of interior bimetal leaf 72 respectively with inner tube 3, interior
Bimetal leaf 72 forms the state mutually supported with outer bimetal leaf 72, by means of the power mutually supported, and positions the He of pipe 2 outside
It is adiabatic between interior bimetal leaf 72 and outer bimetal leaf 72 between inner tube 3, such as between heat-insulating material is separated or maintained
Gap.Fixation between interior bimetal leaf 72, outer bimetal leaf 71, sorbing material 5 can be realized by ceramic thermal insulation bolt 16.Such as
Shown in Fig. 8, the part of the outer tube wall of inner tube 3 dorsad sunshine is disposed with low-launch-rate radiating layer 14.Also it is equipped with inner tube 3
Endothermic tube 12, endothermic tube 12 is used to transmit heated medium, such as water.Annular space between inner tube 3 and endothermic tube 12
Two ends sealing ring 13 is set respectively.Sunshine reaches the outer surface of endothermic tube 12 through outer tube 2 and inner tube 3.Endothermic tube 12
Outside wall surface is disposed with solar energy heating layer 10, and solar energy heating layer 10 can be solar selective absorbing film.Solar energy heating
Layer 10 absorbs temperature after solar energy and raised.By convection current and heat conduction the wall surface temperature of inner tube 3 is raised.When vacuum heat collection pipe absorbs
When temperature and the temperature difference of the tube wall temperature of inner tube 3 and the tube wall temperature of outer tube 2 are increased to up to protection value in solar energy, pipe, outer double gold
Category piece 71 and interior bimetal leaf 72 are bent, and are driven the thermo-contact inner tube 3 of sorbing material 5, can also be passed through as in prior embodiments
The good thermally conductive sheet 9 of heat conduction and/or the connection inner tube 3 of sheet metal 8 and sorbing material 5.Therefore sorbing material 5 forms notable temperature liter
It is high.The gas adsorbed in sorbing material 5 is occurred into vacuum interlayer 1 after being heated.The vacuum of vacuum interlayer 1 is destroyed,
The heat loss factor of vacuum heat collection pipe inner tube 3 and outer tube 2 significantly becomes big, so that the temperature reduction of inner tube 3.When the He of inner tube 3
After the temperature difference of outer tube 2 is reduced to below control temperature, outer bimetal leaf 71 and interior bimetal leaf 72 degree of crook reduction so that
Inner tube 3 and sorbing material 6 separate or disconnected connection inner tube 3 and the passage of heat of sorbing material 5.The temperature of sorbing material 5 by
Step declines and recovers gettering ability.So as to which the gas in vacuum interlayer 1 is reuptaked in sorbing material 5.In vacuum interlayer 1
Vacuum significantly improve, vacuum heat collection pipe progressively recovers collecting efficiency in operating temperature range.
In the foregoing embodiments, sorbing material 5 can absorb gas in advance.When vacuum pipe heat-collecting pipe inner tube temperature drop
After in control range, connection vacuum heat collection pipe inner tube and the structure of sorbing material 5 in vacuum interlayer disconnect.The temperature of sorbing material
Degree reduction, and recover to absorb the ability of gas.So that the vacuum of vacuum heat collection pipe vacuum interlayer is stepped up, it is ensured that cold conditions
Collecting efficiency during operation.
In the aforementioned embodiment, bimetal leaf can be omitted.The part of sorbing material 5 and the wall contacts of inner tube.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification.Therefore, it is every without departing from
The content of technical solution of the present invention, any modification made according to technical spirit of the invention to above example, equivalent variations
And modification, each fall within the protection domain that the claims in the present invention are defined.
Claims (10)
1. a kind of through-type all-glass vacuum thermal-collecting tube, including inner tube, outer tube and the vacuum clip between inner tube, outer tube
Layer, outer tube can pass through sunlight, the outer surface of inner tube or the internal solar energy heating layer for being disposed with absorption solar radiation, and its feature exists
In the sorbing material of adsorbable gas being disposed with the vacuum interlayer, when the sorbing material is in the vacuum heat collection pipe
When in pipe below design temperature or in the setting temperature difference between said inner tube, the outer tube in cold conditions, absorption
Gas is set with maintaining heat-insulation vacuum degree needed for the vacuum heat collection pipe insulation when the vacuum heat collection pipe is met or exceeded in pipe
When being hot during the setting temperature difference between constant temperature degree or said inner tube, the outer tube, the sorbing material be heated up and
The gas of absorption is released, so that vacuum interlayer vacuum declines in vacuum heat collection pipe.
2. through-type all-glass vacuum thermal-collecting tube as claimed in claim 1, it is characterised in that the vacuum heat collection pipe is additionally included in
The getter arranged in the vacuum interlayer, the getter is used to produce chemistry with non-inert gas remaining in vacuum interlayer
Reaction, so as to the irreversible elimination of residual gas physics be realized, so as to ensure the cold conditions of the solar vacuum heat-collecting pipe
When vacuum.
3. through-type all-glass vacuum thermal-collecting tube as claimed in claim 1, it is characterised in that the sorbing material absorbs in advance
There is gas.
4. through-type all-glass vacuum thermal-collecting tube as claimed in claim 3, it is characterised in that the sorbing material surface is in institute
Do not contacted directly with said inner tube outside wall surface partly or entirely when stating hot.
5. through-type all-glass vacuum thermal-collecting tube as claimed in claim 1, it is characterised in that the vacuum heat collection pipe is additionally included in
The bimetallic material of arrangement in the vacuum interlayer, the bimetallic material be used for the tube wall temperature change for sensing said inner tube and
Deformation, or deformed for sensing the change of the difference of the tube wall temperature between the outer tube, said inner tube, and in the vacuum heat-collecting
Pipe drives the sorbing material to produce displacement when reaching described hot, so that the sorbing material is heated by said inner tube.
6. through-type all-glass vacuum thermal-collecting tube as claimed in claim 5, it is characterised in that when described hot, the suction
Enclosure material is contacted with the outside wall surface of said inner tube or contacted by Heat Conduction Material with the wall of said inner tube.
7. through-type all-glass vacuum thermal-collecting tube as claimed in claim 1, it is characterised in that the sorbing material is inhaled to be porous
Enclosure material.
8. through-type all-glass vacuum thermal-collecting tube as claimed in claim 5, it is characterised in that the bimetallic material includes outer
Bimetallic material and interior bimetallic material, the outer bimetallic material are contacted with the outer tube, the interior bimetallic material and institute
Inner tube contact is stated, is mutually pushed up each other and thermally isolated from each other between the outer bimetallic material and the interior bimetallic material, so that described
The outer bimetallic material and the interior bimetallic material displacement are driven in temperature difference change between inner tube, the outer tube, and then
Drive the sorbing material displacement.
9. through-type all-glass vacuum thermal-collecting tube as claimed in claim 1, it is characterised in that said inner tube outer surface is disposed with
Low-launch-rate radiating layer, the low-launch-rate radiating layer only local complexity said inner tube outside wall surface of said inner tube outer surface arrangement,
Sunlight is through the outer tube and passes through said inner tube, and the heat sink being arranged in said inner tube absorbs.
10. through-type all-glass vacuum thermal-collecting tube as claimed in claim 9, it is characterised in that the low-launch-rate radiating layer is
Solar selective absorbing film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308879.XA CN106989522B (en) | 2017-05-04 | 2017-05-04 | Straight-through all-glass vacuum heat collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308879.XA CN106989522B (en) | 2017-05-04 | 2017-05-04 | Straight-through all-glass vacuum heat collecting tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106989522A true CN106989522A (en) | 2017-07-28 |
| CN106989522B CN106989522B (en) | 2023-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710308879.XA Active CN106989522B (en) | 2017-05-04 | 2017-05-04 | Straight-through all-glass vacuum heat collecting tube |
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| Country | Link |
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| CN (1) | CN106989522B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022111049A1 (en) * | 2020-11-25 | 2022-06-02 | 徐阳 | Vacuum heat collection tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1300447C (en) * | 1986-10-03 | 1992-05-12 | Richard E. Collins | Evacuated solar collector tube |
| CN202792647U (en) * | 2012-08-28 | 2013-03-13 | 北京天瑞星光热技术有限公司 | Medium-high temperature solar evacuated collector tube |
| JP2013122324A (en) * | 2011-12-09 | 2013-06-20 | Celestica Japan Kk | Vacuum double heat collection pipe |
| CN103245090A (en) * | 2013-06-04 | 2013-08-14 | 徐阳 | Single-casing vacuum glass heat collector |
| CN103423899A (en) * | 2012-05-18 | 2013-12-04 | 施侃超 | Variable-vacuum-degree idle sunning protection method and variable-vacuum-degree idle sunning protection product for all-glass vacuum heat collecting element |
| CN106026024A (en) * | 2016-06-19 | 2016-10-12 | 应洪昌 | Protector |
| CN206787082U (en) * | 2017-05-04 | 2017-12-22 | 徐阳 | Through-type all-glass vacuum thermal-collecting tube |
-
2017
- 2017-05-04 CN CN201710308879.XA patent/CN106989522B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1300447C (en) * | 1986-10-03 | 1992-05-12 | Richard E. Collins | Evacuated solar collector tube |
| JP2013122324A (en) * | 2011-12-09 | 2013-06-20 | Celestica Japan Kk | Vacuum double heat collection pipe |
| CN103423899A (en) * | 2012-05-18 | 2013-12-04 | 施侃超 | Variable-vacuum-degree idle sunning protection method and variable-vacuum-degree idle sunning protection product for all-glass vacuum heat collecting element |
| CN202792647U (en) * | 2012-08-28 | 2013-03-13 | 北京天瑞星光热技术有限公司 | Medium-high temperature solar evacuated collector tube |
| CN103245090A (en) * | 2013-06-04 | 2013-08-14 | 徐阳 | Single-casing vacuum glass heat collector |
| CN106026024A (en) * | 2016-06-19 | 2016-10-12 | 应洪昌 | Protector |
| CN206787082U (en) * | 2017-05-04 | 2017-12-22 | 徐阳 | Through-type all-glass vacuum thermal-collecting tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022111049A1 (en) * | 2020-11-25 | 2022-06-02 | 徐阳 | Vacuum heat collection tube |
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| CN106989522B (en) | 2023-01-17 |
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