CN102538255A - Heat tube type all-glass vacuum solar collector tube - Google Patents
Heat tube type all-glass vacuum solar collector tube Download PDFInfo
- Publication number
- CN102538255A CN102538255A CN2012100146894A CN201210014689A CN102538255A CN 102538255 A CN102538255 A CN 102538255A CN 2012100146894 A CN2012100146894 A CN 2012100146894A CN 201210014689 A CN201210014689 A CN 201210014689A CN 102538255 A CN102538255 A CN 102538255A
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- glass
- heat
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- pipe
- vacuum
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- 239000011521 glass Substances 0.000 title claims abstract description 112
- 238000009833 condensation Methods 0.000 claims abstract description 42
- 230000005494 condensation Effects 0.000 claims abstract description 42
- 238000012546 transfer Methods 0.000 claims abstract description 20
- 239000006059 cover glass Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- 239000007791 liquid phase Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The invention discloses a heat tube type all-glass vacuum solar collector tube which belongs to the field of solar energy utilization equipment and is formed by combining an all-glass vacuum solar collector tube (1) and an all-glass heat tube (2); the evaporation section (3) of the all-glass heat tube (2) is formed by an inner glass tube (9) in the all-glass evacuated solar collector tube (1), and the condensation section (4) of the all-glass heat tube (2) is formed by coaxially extending the inner glass tube (9) outwards from a ring seal cup opening (1) of the all-glass vacuum solar collector tube (1) with equal diameter; the wall thickness of the inner glass tube (9) is more than that of a cover glass tube (8) of the all-glass vacuum solar collector tube (1) by 0.8-1.2 mm, and the thickness of the glass wall of the hot seal end (5) on the condensation section (4) is equal to the thickness of the wall of the cover glass tube (8); a heat transfer medium (7) is filled in a vacuum cavity (6) of the all-glass heat tube (2), and the volume ratio of the heat transfer medium (7) and the vacuum cavity (6) is 0.05%-0.4%; and the length L1 of the condensation section (4) is 70-150mm. The heat tube type all-glass evacuated solar collector tube integrates the heat collection and heat transferring, is quick in heat transfer speed, high in heat efficiency, good in performance, safe and reliable, easy to manufacture, low in cost, convenient to install and transport and easy to promote and apply, and the national performance standards can be met.
Description
Technical field
The invention belongs to field of solar utilizing equipment, relate to a kind of heat pipe type full-glass vacuum solar collector pipe.
Background technology
In solar thermal collector and water heater, the combination of glass vacuum solar collector tubes and heat pipe has three kinds, and first kind of metal heat pipe for the band absorber places the single-glass pipe; The crack vacuumizes between the two, and adopts metal and glass heat press seal mode sealed vacuum chamber, and weak point is; Very big based on metal and two kinds of material nature differences of glass; Therefore, mode sealed vacuum chamber complex process is sealed in hot pressing, difficulty is big, unreliable, and cost is high simultaneously; Second kind of metal heat pipe for band absorber (like fin) inserts in the complete glass vacuum sun thermal-collecting tube, because the crack is antivacuum shape between the two, therefore, effect is undesirable, and cost is high; The third is that other joins the glass condensation segment of heat pipe with the inner glass tube of the complete glass vacuum sun thermal-collecting tube evaporator section shell as heat pipe, and its great advantage is simple in structure; Cost is low, and effect is good, is beneficial to and applies; Weak point is, inner glass tube and cover glass tube all adopt conventional wall thickness (be that GB is 1.6 ± 0.2mm) glass tube, its compressive resistance is on the low side; Therefore and limited the addition of the heat-transfer working medium in the heat-tube vacuum chamber, and the heat-transfer working medium addition is on the high side, and the pressure in then using in the heat pipe is high; Heat pipe is prone to explosion, and influence is normally used, and the addition of heat-transfer working medium is on the low side; Can reduce the thermal efficiency again, influence result of use, in addition the aspect; Like application number is in the 2004200509367 disclosed technical schemes, and the glass condensation segment of heat pipe is to burn the way of melting a glass butt tube at the ring seal rim of a cup place of complete glass vacuum sun thermal-collecting tube to realize, can make complete glass vacuum sun thermal-collecting tube produce the secondary thermal stress; And be difficult to effective elimination, can produce potential safety hazard, simultaneously many, the recruitment duration of consumptive material.
Summary of the invention
The technical problem that solves:
A kind of heat pipe type full-glass vacuum solar collector pipe is provided, can overcomes the deficiency that exists in the prior art, can not only improve the compressive resistance and the mechanical strength of heat pipe, be prone to simultaneously make, cost is low, is easy to apply.
The technical scheme that adopts:
A kind of heat pipe type full-glass vacuum solar collector pipe; Comprise complete glass vacuum sun thermal-collecting tube; All-glass heat pipe; Said all-glass heat pipe is made up of the heat-sealing end on evaporator section, condensation segment and the condensation segment; In the vacuum chamber of all-glass heat pipe heat-transfer working medium is housed; It is characterized in that: the evaporator section of all-glass heat pipe is made up of the inner glass tube of complete glass vacuum sun thermal-collecting tube, and the condensation segment of all-glass heat pipe is extended outside the coaxial and equal diameter from the ring seal rim of a cup place of complete glass vacuum sun thermal-collecting tube by the inner glass tube of complete glass vacuum sun thermal-collecting tube and constitutes, and the vacuum exhaust mouth on the condensation segment termination of all-glass heat pipe is to be the heat-sealing end on the said condensation segment after the filling nozzle heat-sealing of heat-transfer working medium; The evaporator section of said all-glass heat pipe and the pipe thickness of condensation segment; The pipe thickness that also is said inner glass tube all increases 1.0 ± 0.2mm than the pipe thickness of the cover glass tube of complete glass vacuum sun thermal-collecting tube, and the glass wall thickness of the heat-sealing end on the said condensation segment equals the pipe thickness of said cover glass tube.
Beneficial effect;
Owing to extending outside the coaxial and equal diameter from the ring seal rim of a cup place of complete glass vacuum sun thermal-collecting tube with the inner glass tube of complete glass vacuum sun thermal-collecting tube, the condensation segment of all-glass heat pipe constitutes; Can overcome and burn the deficiency of melting the butt tube method and making ring seal rim of a cup place generation secondary thermal stress in the prior art; And make easily, save material, can also improve security performance; The evaporator section of all-glass heat pipe and the pipe thickness of condensation segment; Also be of the increase of the pipe thickness of inner glass tube than the pipe thickness of cover glass tube; Can obviously improve security performance; And heat-sealing end is made the pressure limiting thin-walled with respect to the pipe thickness of evaporator section and condensation segment and is handled, can be under improper situation bombing and play relief valve, help safety.The selection of the volume ratio of the liquid phase volume of heat-transfer working medium and the total measurement (volume) of vacuum chamber is suitable for said setted structure; The present invention can make thermal-arrest, it is integrated to conduct heat, and function admirable is safe and reliable; Can reach designing requirement fully, be prone to make, cost is low, is suitable for assembling solar heat collector and water heater; Performance reaches the national standard specification requirement; Be convenient to simultaneously install, transport, be easy to apply the regional water heater market demand of particularly suitable China " three Norths ".
Description of drawings
Fig. 1, general structure sketch map;
The empty experiment condensation segment 4 warm varied curve figure that shine of the single heat pipe type full-glass vacuum solar collector pipe of Fig. 2, embodiment one.
The specific embodiment
In conjunction with further explanation in detail of accompanying drawing;
As shown in Figure 1; The structure of complete glass vacuum sun thermal-collecting tube 1 is a known technology; Have the corresponding vacuum interlayer of forming by cover glass tube 8, inner glass tube 9, blind end 15 and ring seal rim of a cup 10 11, getter 12, breathing film 13, coating for selective absorption 14 and respective support 16 also are housed in the vacuum interlayer 11; Said a kind of heat pipe type full-glass vacuum solar collector pipe; Comprise complete glass vacuum sun thermal-collecting tube 1, all-glass heat pipe 2; Said all-glass heat pipe 2 is made up of the heat-sealing end 5 on evaporator section 3, condensation segment 4 and the condensation segment 4, in the vacuum chamber 6 of all-glass heat pipe 2 heat-transfer working medium 7 is housed; The evaporator section 3 of said all-glass heat pipe 2 is made up of the inner glass tube 9 of complete glass vacuum sun thermal-collecting tube 1; The condensation segment 4 of all-glass heat pipe 2 is extended outside the coaxial and equal diameter from ring seal rim of a cup 10 places of complete glass vacuum sun thermal-collecting tube 1 by the inner glass tube 9 of complete glass vacuum sun thermal-collecting tube 1 and constitutes; Therefore can avoid making ring seal rim of a cup 10 places of complete glass vacuum sun thermal-collecting tube 1 to produce the secondary thermal stress; To improve security performance, the vacuum exhaust mouth on condensation segment 4 terminations of all-glass heat pipe 2 is to be the heat-sealing end 5 on the said condensation segment 4 after the filling nozzle of heat-transfer working medium 7 seals; The evaporator section 3 of said all-glass heat pipe 2 and the pipe thickness of condensation segment 4; The pipe thickness that also is said inner glass tube 9 all increases 1.0 ± 0.2mm than the pipe thickness of the cover glass tube 8 of complete glass vacuum sun thermal-collecting tube 1, and the glass wall thickness of the heat-sealing end 5 on the said condensation segment 3 equals the pipe thickness of said cover glass tube 8.
The pipe thickness of said evaporator section 3 and condensation segment 4 all increases 1.0 ± 0.2mm with respect to the pipe thickness of cover glass tube 8; Can effectively prevent all-glass heat pipe 2---on the evaporator section that bears high temperature continuously 3 bombing takes place especially; Thereby raising security performance; Experiment and Theoretical Calculation show that tube wall thickens 1.0mm, and the bearing capacity of glass heat pipe improves 1.70 times.
The glass wall thickness of the heat-sealing end 5 on the said condensation segment 4 equals the pipe thickness of cover glass tube 8; Promptly make the pressure limiting thin-walled and handle with respect to the thickness of evaporator section 3 and condensation segment 4 tube walls, so that heat-sealing is held 5 ability bombings and is played relief valve under improper situation, and after its bombing pressure release; Both just the water in the solar energy hot water tank got into wherein; Do not have any danger yet, still can be used as common complete glass vacuum sun thermal-collecting tube and use, can not influence the operation of integral solar water heater.
As shown in fig. 1, the length L of the condensation segment 4 of said all-glass heat pipe 2
1Be 70～150mm; The length L of condensation segment 4 is meant the distance of the heat-sealing end 5 on the condensation segment 4 of ring seal rim of a cup 10 places to the all-glass heat pipe 2 of said complete glass vacuum sun thermal-collecting tube 1, i.e. inner glass tube 9 length of extending outside the coaxial and equal diameter from ring seal rim of a cup 10 places of complete glass vacuum sun thermal-collecting tube 1.
Among the present invention, the volume ratio of the volume of the liquid phase heat-transfer working medium 7 that is equipped with in the vacuum chamber 6 of all-glass heat pipe 2 and the total measurement (volume) of vacuum chamber 6 is 0.05%～0.4%, is preferably 0.1～0.3%, is preferably 0.15～0.25%.
Heat-transfer working medium 7 is 0～50% glycol water or 0～30% methanol aqueous solution among the present invention, and said percentage is the volume ratio of ethylene glycol or methyl alcohol and water; The methylene blue, fluorescein or the phthalein that also contain in the heat-transfer working medium 7 less than 0.01% are dark green, and said percentage is the mass ratio of pigment and heat-transfer working medium 7.
Embodiment 1
Press shown in Fig. 1 structure heat pipe type full-glass vacuum solar collector pipe length L.1800mm, the external diameter 58mm of cover glass tube 8, wall thickness are 1.8mm, and the external diameter of inner glass tube 9 is 47mm, and wall thickness is 2.6mm, the outer development length L of inner glass tube 9
1---the length that is condensation segment 4 is 100mm, and the glass wall thickness of heat-sealing end 5 is 1.8mm, the length L of evaporator section 3
2Be 1770mm; The total measurement (volume) of vacuum chamber 6 is V
12566cm
3, heat-transfer working medium 7 is a distilled water, its liquid phase volume is V
25.1ml both volume ratios are V
2/ V
1=0.2%.
Shown in table one, for the condensation segment 4 of the single heat pipe type full-glass vacuum solar collector pipe of embodiment 1 inserts vexed solarization in 10 liters the test water tank of being filled with water, thermal performance test result under normal solar radiation, data are the hot property data (two groups) of simulation water heater.
Table one
As shown in Figure 2; Let out and carry out sky solarization temperature experiment in the foam adiabatic heat-insulation cover for the condensation segment 4 of the single heat pipe type full-glass vacuum solar collector pipe of embodiment 1 is embedded in polyurethane; Condensation segment 4 temperature variation curves under normal solar radiation; Curve A is shown condensation segment 4 temperature and time graphs of a relation among the figure, and curve B is shown environment temperature and time chart.The said empty condensation segment 4 that is meant thermal-collecting tube that shines is under the water-less environment evaporator section 3 is carried out solar radiation.
Test result shown in table one and Fig. 2 is in mid-November, 2010 and carries out under the fine day.
Claims (3)
1. heat pipe type full-glass vacuum solar collector pipe; Comprise complete glass vacuum sun thermal-collecting tube; All-glass heat pipe; Said all-glass heat pipe is made up of the heat-sealing end on evaporator section, condensation segment and the condensation segment; In the vacuum chamber of all-glass heat pipe heat-transfer working medium is housed; It is characterized in that: the evaporator section of all-glass heat pipe is made up of the inner glass tube of complete glass vacuum sun thermal-collecting tube, and the condensation segment of all-glass heat pipe is extended outside the coaxial and equal diameter from the ring seal rim of a cup place of complete glass vacuum sun thermal-collecting tube by the inner glass tube of complete glass vacuum sun thermal-collecting tube and constitutes, and the vacuum exhaust mouth on the condensation segment termination of all-glass heat pipe is to be the heat-sealing end on the said condensation segment after the filling nozzle heat-sealing of heat-transfer working medium; The evaporator section of said all-glass heat pipe and the pipe thickness of condensation segment; It also is the pipe thickness of said inner glass tube; All the pipe thickness than the cover glass tube of complete glass vacuum sun thermal-collecting tube increases 1.0 ± 0.2mm, and the glass wall thickness of the heat-sealing end on the said condensation segment equals the pipe thickness of said cover glass tube.
2. a kind of heat pipe type full-glass vacuum solar collector pipe according to claim 1; It is characterized in that: the volume ratio of the liquid phase volume of the heat-transfer working medium (7) that is equipped with in the vacuum chamber (6) of all-glass heat pipe (2) and the total measurement (volume) of vacuum chamber (6) is 0.05%～0.4%; Be preferably 0.1～0.3%, be preferably 0.15～0.25%.
3. a kind of heat pipe type full-glass vacuum solar collector pipe according to claim 1 and 2; It is characterized in that: heat-transfer working medium (7) is 0～50% glycol water; Or 0～30% methanol aqueous solution, said percentage is the volume ratio of ethylene glycol or methyl alcohol and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014689.4A CN102538255B (en) | 2012-01-18 | 2012-01-18 | Heat tube type all-glass vacuum solar collector tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014689.4A CN102538255B (en) | 2012-01-18 | 2012-01-18 | Heat tube type all-glass vacuum solar collector tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102538255A true CN102538255A (en) | 2012-07-04 |
| CN102538255B CN102538255B (en) | 2014-09-10 |
Family
ID=46345797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210014689.4A Active CN102538255B (en) | 2012-01-18 | 2012-01-18 | Heat tube type all-glass vacuum solar collector tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102538255B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119085A (en) * | 1975-09-22 | 1978-10-10 | Grumman Aerospace Corporation | Solar energy collector |
| JPS5912253A (en) * | 1982-07-13 | 1984-01-21 | Sanyo Electric Co Ltd | Solar heat collector |
| JPS59229138A (en) * | 1983-06-10 | 1984-12-22 | Matsushita Electric Ind Co Ltd | Vacuum glass tube type solar heat collector |
| CN1563847A (en) * | 2004-03-18 | 2005-01-12 | 王恒月 | Anti-explosion solar all glass vacuum heat collecting tubes |
| CN2757029Y (en) * | 2004-11-06 | 2006-02-08 | 淮安市淮阴辉煌真空镀膜有限公司 | Novel full glass vacuum heat collecting tube for pressure-bearing solar water heater |
| CN2797976Y (en) * | 2005-02-06 | 2006-07-19 | 北京清华阳光能源开发有限责任公司 | Full glass heat-pipe type vacuum solar energy heat collector |
| CN1815102A (en) * | 2005-02-06 | 2006-08-09 | 北京清华阳光能源开发有限责任公司 | Full-glass heat-pipe type vacuum solar heat-collecting pipe |
| CN101245953A (en) * | 2007-12-29 | 2008-08-20 | 浙江工业大学 | Improved full glass vacuum tube type solar energy water heater |
| CN101344331A (en) * | 2008-08-27 | 2009-01-14 | 黄永定 | Light-concentration explosion-proof full glass heat pipe type solar heat collection pipe |
| CN101762038A (en) * | 2008-10-27 | 2010-06-30 | 北京环能海臣科技有限公司 | All-glass heat pipe vacuum collector tube provided with reflecting condenser |
| CN202719786U (en) * | 2012-01-18 | 2013-02-06 | 天普新能源科技有限公司 | Heat pipe type all-glass vacuum solar heat collecting pipe |
-
2012
- 2012-01-18 CN CN201210014689.4A patent/CN102538255B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4119085A (en) * | 1975-09-22 | 1978-10-10 | Grumman Aerospace Corporation | Solar energy collector |
| JPS5912253A (en) * | 1982-07-13 | 1984-01-21 | Sanyo Electric Co Ltd | Solar heat collector |
| JPS59229138A (en) * | 1983-06-10 | 1984-12-22 | Matsushita Electric Ind Co Ltd | Vacuum glass tube type solar heat collector |
| CN1563847A (en) * | 2004-03-18 | 2005-01-12 | 王恒月 | Anti-explosion solar all glass vacuum heat collecting tubes |
| CN2757029Y (en) * | 2004-11-06 | 2006-02-08 | 淮安市淮阴辉煌真空镀膜有限公司 | Novel full glass vacuum heat collecting tube for pressure-bearing solar water heater |
| CN2797976Y (en) * | 2005-02-06 | 2006-07-19 | 北京清华阳光能源开发有限责任公司 | Full glass heat-pipe type vacuum solar energy heat collector |
| CN1815102A (en) * | 2005-02-06 | 2006-08-09 | 北京清华阳光能源开发有限责任公司 | Full-glass heat-pipe type vacuum solar heat-collecting pipe |
| CN101245953A (en) * | 2007-12-29 | 2008-08-20 | 浙江工业大学 | Improved full glass vacuum tube type solar energy water heater |
| CN101344331A (en) * | 2008-08-27 | 2009-01-14 | 黄永定 | Light-concentration explosion-proof full glass heat pipe type solar heat collection pipe |
| CN101762038A (en) * | 2008-10-27 | 2010-06-30 | 北京环能海臣科技有限公司 | All-glass heat pipe vacuum collector tube provided with reflecting condenser |
| CN202719786U (en) * | 2012-01-18 | 2013-02-06 | 天普新能源科技有限公司 | Heat pipe type all-glass vacuum solar heat collecting pipe |
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| Publication number | Publication date |
|---|---|
| CN102538255B (en) | 2014-09-10 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Heat tube type all-glass vacuum solar collector tube Effective date of registration: 20150213 Granted publication date: 20140910 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Beijing universal solar energy industry Co., Ltd.|Amperex Technology Limited Registration number: 2015990000143 |
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Denomination of invention: Heat tube type all-glass vacuum solar collector tube Effective date of registration: 20160224 Granted publication date: 20140910 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Tianpu New Energy Technology Co., Ltd. Registration number: 2016990000140 |
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Date of cancellation: 20170518 Granted publication date: 20140910 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Tianpu New Energy Technology Co., Ltd. Registration number: 2016990000140 |
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Denomination of invention: Heat tube type all-glass vacuum solar collector tube Effective date of registration: 20170518 Granted publication date: 20140910 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Beijing Amperex Technology Limited solar energy industry Co., Ltd. Registration number: 2017990000417 |
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Date of cancellation: 20180914 Granted publication date: 20140910 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Tianpu New Energy Technology Co., Ltd.|Beijing Tianpu Solar Energy Industry Co., Ltd. Registration number: 2017990000417 |
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Denomination of invention: Heat tube type all-glass vacuum solar collector tube Effective date of registration: 20180914 Granted publication date: 20140910 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Tianpu New Energy Technology Co., Ltd.|Beijing Tianpu Solar Energy Industry Co., Ltd. Registration number: 2018990000838 |
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Date of cancellation: 20190930 Granted publication date: 20140910 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Tianpu New Energy Technology Co., Ltd. Registration number: 2018990000838 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Heat tube type all-glass vacuum solar collector tube Effective date of registration: 20190930 Granted publication date: 20140910 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: Tianpu New Energy Technology Co., Ltd. Registration number: Y2019990000301 |
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Date of cancellation: 20210401 Granted publication date: 20140910 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: TIANPU NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2019990000301 |
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Denomination of invention: A heat pipe type all glass vacuum solar collector Effective date of registration: 20210427 Granted publication date: 20140910 Pledgee: Beijing agricultural financing Company limited by guarantee Pledgor: TIANPU NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021110000012 |
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