CN102779869A - Solar power generation and heat collection system - Google Patents
Solar power generation and heat collection system Download PDFInfo
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- CN102779869A CN102779869A CN2012102638605A CN201210263860A CN102779869A CN 102779869 A CN102779869 A CN 102779869A CN 2012102638605 A CN2012102638605 A CN 2012102638605A CN 201210263860 A CN201210263860 A CN 201210263860A CN 102779869 A CN102779869 A CN 102779869A
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- heat
- light receiver
- concentrator
- solar cell
- directional light
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- 238000010248 power generation Methods 0.000 title abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000009432 framing Methods 0.000 claims description 12
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 9
- 239000012809 cooling fluid Substances 0.000 claims description 6
- 239000000110 cooling liquid Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005622 photoelectricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002918 waste heat Substances 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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
-
- 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
- Y02E10/60—Thermal-PV hybrids
Abstract
The invention relates to a condenser which considers both requirements of power generation and heat supply and is high in photoelectric and photothermal conversion efficiency. A solar power generation and heat collection system comprises a condenser used for parallel overlapping of light and a parallel light receiver arranged close to a condenser strap of the condenser. The parallel light receiver comprises a solar battery and a solar heat collection tube which are oppositely and integrally arranged. When a solar power source is needed, the solar battery of the parallel light receiver is led to be opposite to the reflection surface of the condenser; and when a liquid heat source is needed, the parallel light receiver is overturned so as to lead the solar heat collection tube to be opposite to the reflection surface of the condenser. Due to the condenser, photoelectric or photothermal conversion efficiency is high, and further power supply or heat supply can be selected as required.
Description
The application divides an application, the invention and created name of original application " solar generating heat collecting system ", and application number: 201110085377.8, the applying date: on April 6th, 2011.
Technical field
The present invention relates to the technical field of solar energy light gathering and heat collecting and generating, specifically is a kind of solar generating heat collecting system.
Background technology
Existing solar power generation or heating equipment often can only be realized single function, are promptly using adstante febre, do not have external power to replenish; When generating, the waste heat of generation need spend cost to dispel the heat.Solar cell does not have thermostatic control, sunny, when ambient temperature is very high, solar cell Yin Wendu rises and causes generating efficiency to descend, have in addition be damaged.
How taking into account generating and heat supply, and make solar cell when generating, keep constant temperature to guarantee its generating efficiency basically, is the technical problem that this area will solve.
Summary of the invention
[0004] the present invention's technical problem that will solve provide a kind of simple and reliable for structure, be suitable for selecting as required power supply or heat supply and photoelectricity or photo-thermal conversion efficiency higher solar energy power generation and heat collection system.
For solving the problems of the technologies described above, solar generating heat collecting provided by the invention system comprises: be used for the directional light receiver that the optically focused band of concentrator and contiguous this concentrator of the parallel stack of light is provided with; The directional light receiver comprises: solar cell that is wholely set dorsad and solar energy heat collection pipe; When the needs sun-generated electric power, that the reflective surface of the solar cell of directional light receiver and concentrator is relative; When needs liquid thermal source, upset directional light receiver is so that the reflective surface of said solar energy heat collection pipe and concentrator is relative.Owing to adopted concentrator, so photoelectricity or photo-thermal conversion efficiency are higher.
Said solar cell is located on the heat-dissipating cavity; This heat-dissipating cavity is connected with the heat exchange liquid pipeline in the solar energy heat collection pipe through the cooling liquid outlet or the cooling fluid inlet of end; The heat energy that produces when making full use of solar cell power generation, and solar cell played the effect of cooling.
Said concentrator comprises: horizontal skeleton, be vertical at a pair of main framing on the horizontal skeleton, be symmetrically set in the horizontal skeleton both sides the parabola skeleton, be located at the main framing top the directional light receiver, be located at many level crossings parallel on the parabola skeleton with said directional light receiver.
For improving the overall mechanical strength of concentrator, be provided with between the far-end of said parabola skeleton and the middle and upper part of said main framing and tiltedly draw reinforcement.Be provided with the parabola reinforcement between the outside pars intermedia of said parabola skeleton and the middle and upper part of said main framing, to improve the bonding strength of parabola skeleton and main framing.
The said level crossing of 2-5 bar constitutes a level crossing group, has ventilative gap between the adjacent planar mirror group, can finely let in air, and prevents the influence of strong wind to concentrator.Said solar cell is the gallium arsenide solar cell module; On said heat-dissipating cavity, be provided with condenser lens in the place ahead of each gallium arsenide solar cell module.
Further, the width of said level crossing is 45-75mm, so that the light that focuses on the receiver is a rectangle, and then makes the temperature of receiver heating surface more even.The two ends of said level crossing are installed press strip through level crossing and are located on the parabola skeleton, with the clamping plane mirror, and convenient simultaneously the installation.
Solar cell can adopt common monocrystalline silicon battery or adopt the gallium arsenide solar cell module, and the gallium arsenide solar cell mould is located on the said heat-dissipating cavity through ceramic substrate.The condenser lens that adopts is a biconvex lens.
The technique effect that the present invention has: in (1) solar generating heat collecting of the present invention system, on the optically focused band of concentrator, solar cell and solar energy heat collection pipe are wholely set dorsad; When the needs sun-generated electric power, that the reflective surface of the solar cell of directional light receiver and concentrator is relative; When needs liquid thermal source, upset directional light receiver is so that the reflective surface of said solar energy heat collection pipe and concentrator is relative.So it can select power supply or heat supply as required; Owing to adopted concentrator, its photoelectricity or photo-thermal conversion efficiency are higher.(2) in the concentrator; Every glass-reflected light superposes, and makes the light that is superimposed to the receiver heating surface be a rectangle, and then makes the temperature of receiver heating surface more even; Be difficult for producing the situation of local overheating, guaranteed higher photoelectricity or photo-thermal conversion efficiency.(2) adopt level crossing as reflection, its production technology is simple, and low price maintains easily and keeps in repair, and any glass store all can be processed.The fiber-loss of concentrator additive process can compensate through increasing the level crossing way.(4) loss of concentrator additive process can increase level crossing in both sides and compensate a part.(5) the parabola skeleton in the concentrator adopts aluminium die casting or anti-purple modification PC or panel beating, all can die production, and consistent good, be fit to mass processing.(6) concentrator skeleton: by parabola skeleton, horizontal skeleton, main framing, directional light receiver, tiltedly draw reinforcement, parabola reinforcement etc. to constitute general frame, structural strength is good.(7) follow the tracks of support and adopt double-axis tracking mechanism, horizontal rotary mechanism drive motors, electric pushrod motor adopt stepping motor, and adopt code-disc to detect, and guarantee tracking accuracy.Electric pushrod can be placed on the left side also can be placed on the right side.Adopt double-axis tracking, all obtain the utilization of peak efficiency at horizontal angle and azimuth, exceed much than the efficient of any uniaxiality tracking mode, thereby make this double-axis tracking slot type support be suitable for real-time accurate tracks sunlight.Adopt step motor drive, running into the position that big wind energy is put into equipment the windage minimum rapidly.Guarantee device security.When running into heavy snow, can equipment erected, anti-heavy snow overstocks damage equipment.Adopt step motor drive, be guaranteed in tracking accuracy.
Description of drawings
For content of the present invention is more clearly understood, below basis specific embodiment and combine accompanying drawing, the present invention is done further detailed explanation, wherein
The perspective view of the solar generating heat collecting system among Fig. 1 embodiment;
Fig. 2 is the side structure sketch map of the said solar generating heat collecting system among Fig. 1;
Fig. 3 is the perspective view of the concentrator among Fig. 1;
Fig. 4 is the vertical view of said concentrator;
Fig. 5 is the side structure sketch map of said concentrator;
Fig. 6 is the another side structural representation of said concentrator;
Fig. 7 is the structural representation of the heat-dissipating cavity at gallium arsenide solar cell module place;
Fig. 8 is the A-A cross section view of Fig. 7;
Fig. 9 is another perspective view of said solar generating heat collecting system;
Figure 10 is the another side structural representation of said solar generating heat collecting system;
Figure 11 is the local structure for amplifying sketch map of said heat-dissipating cavity;
Figure 12 is when temperature is lower than 0 ℃, and the fin opening in the said heat-dissipating cavity is up to store the structural representation of a small amount of conductive fluid between the base plate of fin and heat-dissipating cavity.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated:
Like Fig. 1-10, the solar generating heat collecting system of present embodiment comprises: be used for the concentrator a of the parallel stack of light and the directional light receiver 4 of the optically focused band setting of this concentrator of vicinity a; Directional light receiver 4 comprises: solar cell 4-1 that is wholely set dorsad and solar energy heat collection pipe 4-2; When the needs sun-generated electric power, that the reflective surface of the solar cell 4-1 of directional light receiver 4 and concentrator a is relative; When needs liquid thermal source, upset directional light receiver 4 is so that the reflective surface of said solar energy heat collection pipe 4-2 and concentrator a is relative.In other execution modes, directional light receiver 4 can adopt single solar cell or solar energy heat collection pipe.
Said solar cell 4-1 is located on the heat-dissipating cavity 11, and this heat-dissipating cavity 11 is connected with the heat exchange liquid pipeline among the solar energy heat collection pipe 4-2 through the cooling liquid outlet 13 of end.Like Fig. 1; During generating, cooling fluid inlet 16 (are A point) of water through heat-dissipating cavity 11 get into, and an end (being B ' interface) of the heat exchange liquid pipeline among the cooling liquid outlet 13 of heat-dissipating cavity 11 (being A ' point) and the solar energy heat collection pipe 4-2 links to each other; Flow through B ' the B section of heat exchange liquid pipeline; Water temperature obtains getting into and promotes, and is flowed out by the another port (being the B point) of heat exchange liquid pipeline again, gets back in the water tank.Thereby when solar cell working, heat exchange liquid plays the effect to the solar cell cooling all the time, so when generating, keep constant temperature basically, and then guaranteed generating efficiency and useful life, prevent overheated situation.Heat exchange liquid is water or conduction oil.
As the execution mode of optimizing, between a plurality of concentrator a, the heat exchange liquid pipeline among the solar energy heat collection pipe 4-2 wherein is series connection successively also; And heat exchange liquid preferred water, with cold water source pipeline that said heat exchange liquid pipeline links to each other on be provided with temperature-sensing valve, be used for coming control water temperature through the control flow.
Said solar cell 4-1 is the gallium arsenide solar cell module; On said heat-dissipating cavity 11, be provided with condenser lens 12, to play further optically focused effect, with further raising photoelectric conversion efficiency in the place ahead of each gallium arsenide solar cell module.
For realizing the sunshine tracking function; Said concentrator a is located at one and is suitable on the tracking support of the motion tracking sun, and this tracking support comprises: column 21, be located at column 21 tops horizontal rotary mechanism 22, be located at the electric pushrod 25 that is used to control the concentrator a elevation angle between the middle and upper part of the installing rack 23 on the horizontal rotary mechanism 22, the front bottom end that is articulated in concentrator a and column 1; The bottom central of concentrator a is articulated on the installing rack 23.
The push rod 25-1 top of said electric pushrod 25 and the front bottom end of concentrator a are hinged, and the guide pin bushing 25-2 middle and upper part in the said electric pushrod 25 and the middle and upper part of column 1 are hinged through anchor ear 26.
Concentrator a comprises: horizontal skeleton 1, be located at main framing 2 on the horizontal skeleton 1, be symmetrically set in horizontal skeleton 1 both sides parabola skeleton 3, be located at main framing 2 tops directional light receiver 4, be located at many level crossings 5 parallel on the parabola skeleton 3 with said directional light receiver 4.The two ends of said level crossing 5 are installed press strip 8 through level crossing and are located on the parabola skeleton 3.
Be provided with between the middle and upper part of the far-end of said parabola skeleton 3 and said main framing 2 and tiltedly draw reinforcement 6.Be provided with parabola reinforcement 7 between the outside pars intermedia of said parabola skeleton 3 and the middle and upper part of said main framing 2.
The width of said level crossing 5 is 45-75mm.This level crossing is as reflection, and its production technology is simple, and low price maintains easily and keeps in repair, and any glass store all can be processed.
Like Figure 11-12; The lower surface of the base plate 14 of said heat-dissipating cavity 11 is used to be provided with solar cell 4-1; Be provided with a plurality of parallel alternate fin 15 of being located at the upper surface of said base plate 14 in the heat-dissipating cavity 11, each fin 15 is an acute angle with the angle of said base plate 14; The top board 17 of the cooling fluid inlet 16 contiguous heat-dissipating cavities 11 of heat-dissipating cavity 11 is provided with, and said cooling liquid outlet 13 contiguous said base plates 14 are provided with.Because when said solar cell 4-1 operate as normal; The temperature at said base plate 14 places is often higher; So heat exchange liquid is sent into from the top board 17 cooling fluid inlet 16 just of contiguous heat-dissipating cavity 11, and is seen off, the contact-making surface of heat exchange liquid and fin is flowed to the higher temperatures place by the lower temperature place from the cooling liquid outlet 13 of contiguous said base plate 14; The heat exchange effect has been guaranteed in, fully heat exchange even to realize.
The upright projection of adjacent fin 15 on said base plate 14 partially overlaps; So that on said base plate 14 upper surfaces conductive fluid is arranged all the time; Thereby can guarantee radiating effect, produce when preventing said solar cell 4-1 operate as normal moment high temperature to the infringement of solar cell 4-1.Has the gap between the top board of said fin and heat dissipation metal cavity, so that the cold and hot abundant convection current of cooling fluid and it is heated evenly.
When utilizing water to cool off, its ambient temperature is lower than when subzero, can rotate said heat-dissipating cavity 11 and the opening direction of fin 15 upwards is provided with; Automatically close into Shui Chu, and make delivery port pump work very short time, to extract a part of water in the heat-dissipating cavity 11 out; Reserve enough spaces, even water may freeze volumetric expansion; Can be with heat-dissipating cavity 11 bursting by freezing yet, a small amount of heat exchange liquid of heat-dissipating cavity 11 existence simultaneously can prevent that also heat-dissipating cavity 11 temperature are too high.
When normal power generation,, implement the water velocity in the control heat-dissipating cavity 11, with rapid heat radiation through temperature detection.
Obviously, the foregoing description only be for clearly the present invention is described and is done for example, and be not to be qualification to execution mode of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (1)
1. solar generating heat collecting system is characterized in that comprising: be used for the directional light receiver (4) that the optically focused band of concentrator (a) and contiguous this concentrator (a) of the parallel stack of light is provided with;
Directional light receiver (4) comprising: solar cell that is wholely set dorsad (4-1) and solar energy heat collection pipe (4-2);
When the needs sun-generated electric power, that the solar cell (4-1) of directional light receiver (4) is relative with the reflective surface of concentrator (a);
When needs liquid thermal source, upset directional light receiver (4) is so that said solar energy heat collection pipe (4-2) is relative with the reflective surface of concentrator (a);
Said solar cell (4-1) is located on the heat-dissipating cavity (11), and this heat-dissipating cavity (11) is connected with the heat exchange liquid pipeline in the solar energy heat collection pipe (4-2) through the cooling liquid outlet (13) or the cooling fluid inlet (16) of end;
Said concentrator (a) comprising: horizontal skeleton (1), be vertical at a pair of main framing (2) on the horizontal skeleton (1), be symmetrically set in horizontal skeleton (1) both sides parabola skeleton (3), be located at many level crossings (5) parallel on the parabola skeleton (3) with said directional light receiver (4); Directional light receiver (4) is located at the top of said main framing (2), and an end of directional light receiver (4) is located at by in the motor-driven rotating self-locking mechanism (4-3); The said level crossing of 2-5 bar (5) constitutes a level crossing group, has ventilative gap between the adjacent planar mirror group;
Said solar cell (4-1) is the gallium arsenide solar cell module; Upward be provided with condenser lens (12) at said heat-dissipating cavity (11) in the place ahead of each gallium arsenide solar cell module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210263860.5A CN102779869B (en) | 2011-04-06 | 2011-04-06 | Solar power generation and heat collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210263860.5A CN102779869B (en) | 2011-04-06 | 2011-04-06 | Solar power generation and heat collection system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110085377A Division CN102182656B (en) | 2011-04-06 | 2011-04-06 | Solar electric power generating heat collecting system |
Publications (2)
| Publication Number | Publication Date |
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| CN102779869A true CN102779869A (en) | 2012-11-14 |
| CN102779869B CN102779869B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210263860.5A Expired - Fee Related CN102779869B (en) | 2011-04-06 | 2011-04-06 | Solar power generation and heat collection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571830A (en) * | 2018-02-05 | 2018-09-25 | 北京石油化工学院 | Solar energy heating radiator and electricity generation system |
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| CN101976972A (en) * | 2010-10-09 | 2011-02-16 | 张国柱 | Controllable double-state reflection/condensation solar energy collection power generation device |
| CN201781437U (en) * | 2010-07-30 | 2011-03-30 | 鞍山恒信科技开发有限公司 | Heat energy utilizing system for gallium arsenide spotlight solar power station |
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2011
- 2011-04-06 CN CN201210263860.5A patent/CN102779869B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100186820A1 (en) * | 2008-11-10 | 2010-07-29 | Schon Steven G | Solar electricity generation with improved efficiency |
| CN101710803A (en) * | 2009-11-03 | 2010-05-19 | 上海聚恒太阳能有限公司 | Solar concentrating generation device capable of realizing surplus heat utilization |
| CN201557063U (en) * | 2009-12-01 | 2010-08-18 | 何斌 | Light-focusing solar energy device adopting parabolic mirror |
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| CN101976972A (en) * | 2010-10-09 | 2011-02-16 | 张国柱 | Controllable double-state reflection/condensation solar energy collection power generation device |
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| CN108571830A (en) * | 2018-02-05 | 2018-09-25 | 北京石油化工学院 | Solar energy heating radiator and electricity generation system |
| CN108571830B (en) * | 2018-02-05 | 2023-05-26 | 北京石油化工学院 | Solar heat collecting and radiating device and power generation system |
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| CN102779869B (en) | 2015-02-18 |
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Inventor after: Qin Yilin Inventor after: Su Yonggang Inventor after: Shen Zhigang Inventor before: Chen Zheng Inventor before: Gui Jingxiang Inventor before: Yao Haifeng |
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Free format text: CORRECT: ADDRESS; FROM: 310000 HANGZHOU, ZHEJIANG PROVINCE TO: 213000 CHANGZHOU, JIANGSU PROVINCE Free format text: CORRECT: INVENTOR; FROM: CHEN ZHENG GUI JINGXIANG YAO HAIFENG TO: QIN YILIN SU YONGGANG SHEN ZHIGANG |
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Effective date of registration: 20141222 Address after: 213000 No. 8, West Lake Road, hi tech Industrial Development Zone, Wujin District, Jiangsu, Changzhou Applicant after: Changzhou Focus on New Energy Technology Co., Ltd. Address before: 310000 room 4, building 20, No. 149 Longtan Road, Hangzhou District, Yuhang, Zhejiang Applicant before: CHANGZHOU FOCUS ON NEW ENERGY TECHNOLOGY CO.,LTD. |
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