CN201518459U - Automatic cleaning and cooling system for solar photovoltaic generation system - Google Patents
Automatic cleaning and cooling system for solar photovoltaic generation system Download PDFInfo
- Publication number
- CN201518459U CN201518459U CN2009201948398U CN200920194839U CN201518459U CN 201518459 U CN201518459 U CN 201518459U CN 2009201948398 U CN2009201948398 U CN 2009201948398U CN 200920194839 U CN200920194839 U CN 200920194839U CN 201518459 U CN201518459 U CN 201518459U
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- water
- pressure
- spraying device
- solar cell
- temperature
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- 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.)
- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 14
- 238000004140 cleaning Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000005507 spraying Methods 0.000 claims abstract description 37
- 238000010248 power generation Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
-
- 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
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to the field of solar cells, and discloses an automatic cleaning and cooling system for a solar photovoltaic generation system. The automatic cleaning and cooling system comprises a temperature detector, a high-pressure water pump, a controller and a high-pressure automatic spraying device, wherein the temperature detector is arranged on the surface of a solar panel for detecting the temperature of the solar panel, the controller is respectively electrically connected the temperature detector, the high-pressure water pump and the high-pressure automatic spraying device for starting the high-pressure water pump and the high-pressure automatic spraying device when temperature detected by the temperature detector reaches the preset threshold value, the water pump is respectively communicated with a water source and the high-pressure automatic spraying device for pumping water in the water source to the high-pressure automatic spraying device under the control of the controller, and the high-pressure automatic spraying device is arranged above the solar panel, rotates and moves up under the effect of high-pressure water pressure, and is used for spraying water for the solar panel under the control of the controller.
Description
Technical Field
The utility model relates to a solar cell field especially relates to a solar photovoltaic power generation system's self-cleaning, cooling system.
Background
The solar photovoltaic system is a system for converting light energy into electric energy, which utilizes solar energy to generate electricity, and the large-scale solar photovoltaic system is generally installed in natural environments such as mountainous areas, deserts or gobi with rich solar energy resources so as to obtain larger electric energy output.
However, in natural environment, pollutants such as dust, wind sand and the like can be adhered to the surface of the solar cell sheet along with the accumulation of time, and the effective conversion of solar energy by the solar cell can be influenced.
In addition, the temperature of the solar cell gradually increases with the increase of solar radiation, and in a solar photovoltaic system, parameters such as open-circuit voltage, short-circuit current and peak power of the solar cell change with the change of temperature. The method comprises the following steps:
the open-circuit voltage of the single solar cell is reduced along with the rise of the temperature, the voltage temperature coefficient is- (2.0-2.2) mv/DEG C, namely, the open-circuit voltage of the single solar cell is reduced by 2.0-2.2 mv when the temperature rises by 1 ℃;
the short-circuit current of the solar cell slightly rises along with the rise of the temperature;
the peak power of the solar cell decreases (directly affects the efficiency) with the increase of the temperature, i.e. the loss rate of the peak power of the solar cell is about 0.35-0.45% for every 1 ℃ increase of the temperature, for example: the output power of the silicon solar cell working at 20 ℃ is 20% higher than that of the silicon solar cell working at 70 ℃.
Therefore, when the silicon solar cell works at an overhigh temperature, the open-circuit voltage is greatly reduced along with the rise of the temperature, and meanwhile, the serious deviation of a charging working point is caused, so that the system is easily damaged due to insufficient charging; the output power of the silicon solar cell is greatly reduced along with the rise of the temperature, so that the solar cell module cannot fully exert the maximum performance.
For the reasons mentioned above, in order to reduce the influence of the over-high temperature on the solar photovoltaic system, when people use the solar cell modules to form a solar energy square matrix (commonly called system design) in series-parallel connection, the number of the solar cell modules is increased properly according to different use environments to compensate the voltage loss and the power loss caused by the rise of the temperature, but the influence of the rise of the temperature on the system cannot be fundamentally solved by adopting the technical scheme.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a solar photovoltaic power generation system's cooling system uses it not only can cool down solar cell panel, can also clean it.
The embodiment of the utility model provides a pair of solar photovoltaic power generation system's cooling system, include: the device comprises a temperature detector, a high-pressure water pump, a controller and a high-pressure self-spraying device; wherein,
the temperature detector is arranged on the surface of the solar cell panel and is used for detecting the temperature of the solar cell panel;
the controller is respectively electrically connected with the temperature detector, the high-pressure water pump and the high-pressure self-spraying device and is used for starting the high-pressure water pump and the high-pressure self-spraying device when the temperature detected by the temperature detector reaches a preset threshold value;
the water pump is respectively communicated with the water source and the high-pressure self-spraying device and is used for lifting and supplying water in the water source to the high-pressure self-spraying device under the control of the controller;
the high-pressure self-spraying device is communicated with the water pump and is used for spraying water to the solar cell panel under the action of spike force.
Optionally, a water reflux device is also included,
the water reflux device is arranged at the lower end of the solar cell panel and used for guiding the water to a set position.
Optionally, a filtering device is also included,
the filtering device is arranged in the water backflow device and used for filtering the water.
Optionally, the high-voltage self-spraying device is arranged in a solar panel square matrix and is positioned on the same horizontal plane with a panel in the square matrix.
From top to bottom, use the utility model discloses temperature detector surveys solar cell panel's temperature, when it detects its temperature and reaches the threshold value of a certain settlement (the design of this threshold value is confirmed according to empirical analysis, this threshold value is the critical temperature value of the harmful effects of temperature to solar cell performance), the controller starts the water pump, high-pressure self-blowing device, the water pump rises the water and conveys to high-pressure self-blowing device, by the spraying procedure that high-pressure self-blowing device set for according to the controller, spray the solar cell panel of its below with water, it cools down solar cell panel to have sprayed through water, and wash, in order to avoid appearing the too high problem that leads to solar photovoltaic power generation system's generating efficiency to descend.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:
fig. 1 is a schematic structural diagram of an automatic cleaning and cooling system of a solar photovoltaic power generation system provided in embodiment 1 of the present invention.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.
Example 1:
referring to fig. 1, the cooling system of a solar photovoltaic power generation system 100 provided in this embodiment mainly includes: a temperature detector (not shown), a water pump 102, a controller 103 and a high-pressure self-spraying device 104. The positions and the connection relations of the components are as follows:
the temperature detector is disposed on a face of the solar cell panel 000, and detects a temperature of the solar cell panel 000. The controller 103 is respectively electrically connected with the temperature detector, the high-pressure water pump 102 and the high-pressure self-spraying device 104 and is used for starting the high-pressure water pump 102 and the high-pressure self-spraying device 104 when the temperature detected by the temperature detector reaches a preset threshold value; the water pump 102 is respectively communicated with a water source and the high-pressure self-spraying device 104 and is used for raising and supplying water in the water source to the high-pressure self-spraying device 104 under the control of the controller 103; the high-pressure self-spraying device 104 is arranged on the solar panel 000 and is a very small spray head, the spray head and the solar panel are in the same plane, otherwise, sunlight can be shielded, the spray head is arranged between solar arrays, the high-pressure self-spraying device 104 automatically rotates, rises and sprays under the hydraulic action, and the spray head returns to the original point under the action of self weight after spraying is finished).
The working principle is as follows:
the temperature detector detects the temperature of the solar cell panel 000, when the temperature detector detects that the temperature reaches a certain set threshold (the threshold is designed according to empirical analysis and determined as a critical temperature value of adverse effect of the temperature on the performance of the solar cell), the controller 103 starts the water pump 102 and the high-pressure self-spraying device 104, the water pump 102 raises the water and transmits the water to the high-pressure self-spraying device 104, the high-pressure self-spraying device 104 sprays the water to the solar cell panel 000 below the high-pressure self-spraying device according to a spraying program set by the controller 103, and the solar cell panel 000 is cooled and cleaned through water spraying, so that the problem that the power generation efficiency of the solar photovoltaic power generation system 100 is reduced due to the fact that the temperature of the solar cell panel 000 is too high is solved.
In addition, in order to save water and improve the utilization rate of water, a water reflux device 105 can be designed in the system: the water returning device 105 is disposed at the lower end of the edge of the solar cell panel 000, and when the water is sprayed for cooling and cleaning, the water returning device 105 can catch the remained water and guide the water (which can be but is not limited to passing through a water pipe and the like) to a set position, such as a water source of the water pump 102.
In addition, in order to avoid the circulation pollution of water and ensure the cleaning effect, a filtering device 106 can be added in the system: the filtering device 106 is disposed in the water returning device 105, so that the water returned to the water source by the water returning device 105 flows through the filtering device 106 before reaching the water source, and is filtered by the filtering device 106, so as to remove dirt and impurities such as dust.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (4)
1. The utility model provides a solar photovoltaic power generation system's self-cleaning, cooling system, characterized by includes: the device comprises a temperature detector, a high-pressure water pump, a controller and a high-pressure self-spraying device; wherein,
the temperature detector is arranged on the surface of the solar cell panel and is used for detecting the temperature of the solar cell panel;
the controller is respectively electrically connected with the temperature detector, the high-pressure water pump and the high-pressure self-spraying device and is used for starting the high-pressure water pump and the high-pressure self-spraying device when the temperature detected by the temperature detector reaches a preset threshold value;
the water pump is respectively communicated with the water source and the high-pressure self-spraying device and is used for lifting and supplying water in the water source to the high-pressure self-spraying device under the control of the controller;
the high-pressure self-spraying device is communicated with the water pump and is used for spraying water to the solar cell panel under the action of spike force.
2. The automatic cleaning and cooling system of a solar photovoltaic power generation system of claim 1, further comprising a water reflux device,
the water reflux device is arranged at the lower end of the solar cell panel and used for guiding the water to a set position.
3. The automatic cleaning and cooling system of a solar photovoltaic power generation system of claim 2, further comprising a filtering device,
the filtering device is arranged in the water backflow device and used for filtering the water.
4. The automatic cleaning and cooling system of a solar photovoltaic power generation system of claim 1, 2 or 3, wherein,
the high-voltage self-spraying device is arranged in a solar cell panel square matrix and is positioned on the same horizontal plane with a cell panel in the square matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201948398U CN201518459U (en) | 2009-09-16 | 2009-09-16 | Automatic cleaning and cooling system for solar photovoltaic generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201948398U CN201518459U (en) | 2009-09-16 | 2009-09-16 | Automatic cleaning and cooling system for solar photovoltaic generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201518459U true CN201518459U (en) | 2010-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201948398U Expired - Fee Related CN201518459U (en) | 2009-09-16 | 2009-09-16 | Automatic cleaning and cooling system for solar photovoltaic generation system |
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| Country | Link |
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| CN (1) | CN201518459U (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303025A (en) * | 2011-09-27 | 2012-01-04 | 北京桑纳斯太阳能电池有限公司 | Intelligent cleaning device for surface of solar photovoltaic cell panel component |
| CN102394253A (en) * | 2011-09-09 | 2012-03-28 | 友达光电股份有限公司 | Solar module |
| CN102820360A (en) * | 2011-06-09 | 2012-12-12 | 刘莹 | System capable of improving photic strength of photovoltaic system and cleaning photic face |
| CN103022157A (en) * | 2011-09-20 | 2013-04-03 | 吉富新能源科技(上海)有限公司 | Dust removal device with transparent thin film solar battery |
| CN103223404A (en) * | 2013-04-18 | 2013-07-31 | 内蒙古电力勘测设计院 | Automatic washing device and method for solar photovoltaic component |
| CN103316861A (en) * | 2013-07-10 | 2013-09-25 | 中国科学院广州能源研究所 | Water-saving device automatically cleaning accumulated dust on surface of photovoltaic module |
| CN103984292A (en) * | 2013-02-07 | 2014-08-13 | 阿特斯(中国)投资有限公司 | Photovoltaic system |
| CN104092433A (en) * | 2014-07-07 | 2014-10-08 | 北京天源科创风电技术有限责任公司 | Cleaning device for solar photovoltaic cell assemblies |
| CN104174616A (en) * | 2014-09-02 | 2014-12-03 | 国家电网公司 | Photovoltaic cell panel washing device |
| CN104690024A (en) * | 2015-03-26 | 2015-06-10 | 北京京东方能源科技有限公司 | Photovoltaic power station cleaning system |
| CN104722519A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Automatic cleaning system for photovoltaic module |
| CN105057262A (en) * | 2015-09-08 | 2015-11-18 | 中国能源建设集团湖南省电力设计院有限公司 | Fine cleaning device and method for photovoltaic modules of large photovoltaic power station |
| CN106253820A (en) * | 2016-08-10 | 2016-12-21 | 上海西屋开关有限公司 | Solar energy photovoltaic generator |
| CN107592070A (en) * | 2017-10-11 | 2018-01-16 | 深圳市中科智诚科技有限公司 | A kind of photovoltaic power generation apparatus suitable for desert area based on Internet of Things |
| CN108526176A (en) * | 2018-03-23 | 2018-09-14 | 登封特卡电子科技有限公司 | A kind of new type solar energy enclosing wall type electric generating station system |
| CN108607835A (en) * | 2018-04-26 | 2018-10-02 | 常州信息职业技术学院 | A kind of photovoltaic system and its working method with self-cleaning function |
| CN108649890A (en) * | 2018-04-11 | 2018-10-12 | 江西创迪科技有限公司 | A kind of solar energy photovoltaic panel |
| CN109120224A (en) * | 2018-07-27 | 2019-01-01 | 河南东润电子有限公司 | A kind of steam-electric power plant with cleaning function |
| CN111375616A (en) * | 2018-12-30 | 2020-07-07 | 国家能源投资集团有限责任公司 | Cleaning method and device for photovoltaic building, storage medium and processor |
-
2009
- 2009-09-16 CN CN2009201948398U patent/CN201518459U/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820360A (en) * | 2011-06-09 | 2012-12-12 | 刘莹 | System capable of improving photic strength of photovoltaic system and cleaning photic face |
| CN102394253A (en) * | 2011-09-09 | 2012-03-28 | 友达光电股份有限公司 | Solar module |
| CN103022157A (en) * | 2011-09-20 | 2013-04-03 | 吉富新能源科技(上海)有限公司 | Dust removal device with transparent thin film solar battery |
| CN102303025B (en) * | 2011-09-27 | 2014-05-14 | 北京桑纳斯太阳能电池有限公司 | Intelligent cleaning device for surface of solar photovoltaic cell panel component |
| CN102303025A (en) * | 2011-09-27 | 2012-01-04 | 北京桑纳斯太阳能电池有限公司 | Intelligent cleaning device for surface of solar photovoltaic cell panel component |
| CN103984292A (en) * | 2013-02-07 | 2014-08-13 | 阿特斯(中国)投资有限公司 | Photovoltaic system |
| CN103984292B (en) * | 2013-02-07 | 2017-03-29 | 阿特斯(中国)投资有限公司 | Photovoltaic system |
| CN103223404B (en) * | 2013-04-18 | 2015-05-20 | 内蒙古电力勘测设计院有限责任公司 | Automatic washing device and method for solar photovoltaic component |
| CN103223404A (en) * | 2013-04-18 | 2013-07-31 | 内蒙古电力勘测设计院 | Automatic washing device and method for solar photovoltaic component |
| CN103316861A (en) * | 2013-07-10 | 2013-09-25 | 中国科学院广州能源研究所 | Water-saving device automatically cleaning accumulated dust on surface of photovoltaic module |
| CN104722519A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Automatic cleaning system for photovoltaic module |
| CN104092433A (en) * | 2014-07-07 | 2014-10-08 | 北京天源科创风电技术有限责任公司 | Cleaning device for solar photovoltaic cell assemblies |
| CN104174616B (en) * | 2014-09-02 | 2016-06-22 | 国家电网公司 | A kind of photovoltaic battery panel rinser |
| CN104174616A (en) * | 2014-09-02 | 2014-12-03 | 国家电网公司 | Photovoltaic cell panel washing device |
| CN104690024A (en) * | 2015-03-26 | 2015-06-10 | 北京京东方能源科技有限公司 | Photovoltaic power station cleaning system |
| CN105057262A (en) * | 2015-09-08 | 2015-11-18 | 中国能源建设集团湖南省电力设计院有限公司 | Fine cleaning device and method for photovoltaic modules of large photovoltaic power station |
| CN105057262B (en) * | 2015-09-08 | 2017-03-22 | 中国能源建设集团湖南省电力设计院有限公司 | Fine cleaning device and method for photovoltaic modules of large photovoltaic power station |
| CN106253820A (en) * | 2016-08-10 | 2016-12-21 | 上海西屋开关有限公司 | Solar energy photovoltaic generator |
| CN107592070A (en) * | 2017-10-11 | 2018-01-16 | 深圳市中科智诚科技有限公司 | A kind of photovoltaic power generation apparatus suitable for desert area based on Internet of Things |
| CN108526176A (en) * | 2018-03-23 | 2018-09-14 | 登封特卡电子科技有限公司 | A kind of new type solar energy enclosing wall type electric generating station system |
| CN108649890A (en) * | 2018-04-11 | 2018-10-12 | 江西创迪科技有限公司 | A kind of solar energy photovoltaic panel |
| CN108607835A (en) * | 2018-04-26 | 2018-10-02 | 常州信息职业技术学院 | A kind of photovoltaic system and its working method with self-cleaning function |
| CN109120224A (en) * | 2018-07-27 | 2019-01-01 | 河南东润电子有限公司 | A kind of steam-electric power plant with cleaning function |
| CN111375616A (en) * | 2018-12-30 | 2020-07-07 | 国家能源投资集团有限责任公司 | Cleaning method and device for photovoltaic building, storage medium and processor |
| CN111375616B (en) * | 2018-12-30 | 2022-03-04 | 国家能源投资集团有限责任公司 | Cleaning method and device for photovoltaic building, storage medium and processor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUNAN SUN-ZONE OPTOELECTRONICS ENERGY CO., LTD. Free format text: FORMER OWNER: ZHAO FENG Effective date: 20101019 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410205 1/F, UNIT 3, BUILDING 3, NO.199, JIEFANG MIDDLE ROAD, FURONG DISTRICT, CHANGSHA CITY, HUNAN PROVINCE TO: 410000 NO.B-624, GROUP C4, HUOJU CITY, CHANGSHA HIGH-TECH. DEVELOPMENT ZONE, HUNAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20101019 Address after: 410000 C4 group B-624, torch City, hi tech Development Zone, Hunan, Changsha Patentee after: Hunan Shenzhou photoelectricity Energy Co., Ltd. Address before: 3, No. 199, No. 410205, first floor, 3 middle Liberation Road, Furong district, Hunan, Changsha Patentee before: Zhao Feng |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Hunan Shenzhou photoelectricity Energy Co., Ltd. Document name: Notification of Termination of Patent Right |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20180916 |