CN204103507U - Street lamp single pole photovoltaic distributed grid-connected electricity generation system - Google Patents
Street lamp single pole photovoltaic distributed grid-connected electricity generation system Download PDFInfo
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- CN204103507U CN204103507U CN201420588984.5U CN201420588984U CN204103507U CN 204103507 U CN204103507 U CN 204103507U CN 201420588984 U CN201420588984 U CN 201420588984U CN 204103507 U CN204103507 U CN 204103507U
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a kind of street lamp single pole photovoltaic distributed grid-connected electricity generation system, belongs to solar power generation grid-connecting field.This system comprises solar module and light pole, solar module is arranged on light pole, inverter is provided with above light pole, solar module is connected to inverter after exporting, inverter is connected to the grid after exporting, Bidirectional intelligent ammeter is provided with, after the input of street lamp is connected to Bidirectional intelligent ammeter between inverter and electrical network.Native system, when ensureing street lighting electricity consumption, has played the photovoltaic installed capacity of light pole to greatest extent, is conducive to the extensive development application of distributed photovoltaic power generation.
Description
Technical field
The utility model relates to a kind of grid-connected system, and particularly a kind of street lamp single pole photovoltaic distributed grid-connected electricity generation system, belongs to solar power generation grid-connecting field.
Background technology
Solar power generation has penetrated in the middle of our daily life gradually, the bottleneck of current solar power generation is mainly grid-connected and fabricating yard, country has put into effect clear and definite industry support policy in grid-connected, support the generating of distributed photovoltaic power generation system grid connection, but owing to being subject to China soil in fabricating yard, the restriction of the aspects such as building property right can't well solve, so current large-scale photovoltaic power generation applications is mostly in the area that the land resources such as northwest are comparatively loose, in densely inhabited districts such as the central and east because the restriction of fabricating yard governs the extensive development of photovoltaic generation.Solar street light is the concrete of photovoltaic generation, one of direct application, in solar lighting street lamp, can see everywhere and electric pole is provided with solar panel for illumination, it is a kind of environment-friendly type illuminator, obtain the accreditation of society, Fig. 3 is the structural scheme of mechanism of prior art, in figure, solar module 1 utilizes support 1 to be fixed on light pole 6, the electricity that solar module one sends, be stored in storage battery 26 by controller 25, if when needing illumination daytime, power directly to street lamp 24, at this, the street lamp 24 used belongs to direct current street lamp, Fig. 4 is the circuit connection diagram of prior art.But, solar cell system on this electric pole, there is the shortcoming of the following aspects, first this electric pole belongs to independent electricity generating and supplying system, the electricity sent can only use by street lamp on this electric pole, and finite capacity, even if send too many electricity, also use is not arranged, the electricity sent can not be used for other aspects, cause certain waste on the contrary, this causes the restriction of street lamp single pole photovoltaic installed capacity, Second Problem is that this solar street light lighting system every root electric pole all needs to configure corresponding storage battery and controller, it is a no small expense under all electric poles configure identical this outfit of equipment, so cause this solar street light cost quite high, a problem is also had to be employ the parts such as lead acid accumulator in street lamp, be easy to be stolen, therefore, need to take anti-theft measure, and, life-span will be shortened after storage battery uses a period of time, need again to change, increase the expense of street lamp, frequent battery altering, also can bring the manpower of part replacement and maintenance, the maintenance cost of material resources, particularly as this product of storage battery, when numerous street lamp uses, life-span almost can expire at the same time, to all batteries all be changed complete in several days, also be a very quite large engineering, to cause solar street light application cost high for these defects above, restricted lifetime, installed capacity is subject to restriction, be unfavorable for the extensive popularization and application of photovoltaic generation.
Summary of the invention
The construction cost existed in solar cell system for power supply separately on single electric pole is high, battery capacity is little, useful life is short and need to take the problems such as anti-theft measure, the utility model provides a kind of single-pole street lamp distributed grid-connected electricity generation system, its objective is the construction cost in order to reduce solar cell street lamp, reduce unnecessary electricity wasting phenomenon, reasonable employment electricity.
The technical solution of the utility model is: street lamp single pole photovoltaic distributed grid-connected electricity generation system, comprise solar module and light pole, solar module is arranged on light pole, inverter is provided with above light pole, solar module is connected to inverter after exporting, inverter is connected to the grid after exporting, Bidirectional intelligent ammeter is provided with between inverter and electrical network, after the input of street lamp is connected to Bidirectional intelligent ammeter, further, on described light pole, series winding is provided with at least four solar modules, inverter is connected to after all solar module series connection export, described solar module is arranged on and is fixedly connected on the support of light pole, support is divided into the upper and lower, the light pole both sides of the upper and lower are respectively arranged with a solar module, described solar module is arranged on position, Chaoyang by being greater than 5 ° of rake angles being less than 90 °, between the upper and lower, in the vertical direction shifts to install, further, : described solar module arranges angle within the scope of place dimension Ф+8 °, further, described light pole is arranged four solar modules, described solar cell is crystal silicon solar batteries, adopt 156 × 156 specification types polysilicon solar battery slice, the solar battery sheet equalization of above-mentioned for every sheet specification is cut into three small pieces, between all small pieces, series connection is rear mutually forms an assembly, inverter is connected to after above-mentioned four assemblies series connection being exported, operating voltage after four assembly series connection is more than or equal to 300V, further, described light pole is arranged four solar modules, described solar cell is monocrystaline silicon solar cell, adopt 125 × 125 specification types monocrystaline silicon solar cell sheet, the solar battery sheet equalization of above-mentioned for every sheet specification is cut into three small pieces, between all small pieces, series connection is rear mutually forms an assembly, inverter is connected to after above-mentioned four assemblies series connection being exported, operating voltage after four assembly series connection is more than or equal to 300V.
The good effect that the utility model brings is, by being connected in series more than four solar modules, the output voltage of battery can be made to meet the requirements of more than 300V, can better adapt to combining inverter DC voltage, on single channel lamp stand, when mechanical load can ensure, enough large installed capacity can be installed, the electric energy that photovoltaic produces is directly by application grid-connected after inverter inversion, electric energy required for street lamp is from grid-connected middle supply, Bidirectional intelligent ammeter is set in centre and realizes bidirectional measuring, this mode has expanded the installing space in distributed power station greatly, the fabricating yard in distributed power station is made not to be limited to roof, the occasions such as vacant lot, the utilization that photovoltaic module is generated electricity spatially achieves three-dimensional, calculate with each street lamp single pole installation 1KW polysilicon members, 1000 light pole installed capacitys can realize the distributed power generation of 1MW, and in photovoltaic plant is built, the installed capacity of 1MW needs the land resource of about 30 mu, a large amount of single channel lamp stands is spread all in the current city of China and roadside, and be generally embedded with power supply network at roadside ground wire, generating of the present utility model is easy to access electrical network, fabricating yard of the present utility model does not need special land resource, a large amount of expenses can be saved, light pole all can be local as the installation of photovoltaic generation, described electric battery component according to place dimension+8 ° angle of inclination according to levels shift to install towards direction on, can absorb solar energy to greatest extent, four solar module outputs of serial connection arrange inverter, the technical requirement that distributed power generation is grid-connected can be met, the direct current that solar cell produces is transformed into alternating current direct connect and be merged in electrical network, two-way ammeter is set between electrical network and inverter, First Astronautic Research Institute for Measurement and Test's energy output and the power consumption that makes, be conducive to the management to solar cell, native system is when ensureing street lighting electricity consumption, play the photovoltaic installed capacity of light pole to greatest extent, the utility model original street lamp photovoltaic generation is only used to meet street lighting creationary change street lamp generating into can be grid-connected, the storage battery accounting for prime cost is eliminated in solar street light in street lighting, be conducive to the significantly reduction of solar street light illumination cost, light pole adopts enough large installed capacity, adopt inverter, achieve the great-leap-forward development of distributed solar generating, the technical solution of the utility model is adopted to be conducive to the extensive development application of distributed photovoltaic power generation.
Accompanying drawing explanation
Fig. 1 the utility model structural representation.
Fig. 2 the utility model circuit connection diagram.
Fig. 3 prior art structural representation.
Fig. 4 prior art circuits connection layout.
Embodiment
In order to better understand and carry out the technical solution of the utility model, provide embodiments more of the present utility model at this, these embodiments, in order to better explain technical scheme described in the utility model, are not formed any form restriction of the present utility model.
Be described with regard to the technical solution of the utility model referring to Fig. 1 and Fig. 2, in figure, 1: solar module, 2: support, 3: inverter, 5: two-way ammeter, 6: light pole.
The improvement that the utility model carries out on the basis of existing technology, such as transform on original 250W polycrystalline silicon solar assembly, product parameters originally: power: 250W, voltage: 30V, size: 1650*986*35MM, the cell piece of 156 × 156 on this assembly is divided into 3 pieces, it is the output voltage in order to improve assembly, better adaptation and meet combining inverter DC voltage, voltage request after four pieces of series connection preferably reaches more than 300V, for the sake of assurance, every block output voltage should reach more than 80V, the output voltage of the polysilicon members of above-mentioned specification assembly after transformation is adopted to reach 90V, voltage after 4 block assembly series connection reaches 360V, can ensure to reach more than 300V, the area of improved new battery component is substantially equal with the area of existing battery component, such as suppose an original battery component is assembled with 6 × 12 cell pieces, be 18 × 36 baby battery sheets after utilizing technical solutions of the utility model, after these cell panels are together in series, use four pieces of battery components, the voltage that can adapt to and meet combining inverter DC side reaches more than 300V, better realize parallel network reverse, adopt employing 125 × 125 specification type the assembly of 250W that is formed by connecting of monocrystaline silicon solar cell sheet adopt same technical scheme also can realize, the solar battery sheet equalization of above-mentioned for every sheet specification is cut into three small pieces, between all small pieces, series connection is rear mutually forms an assembly, inverter is connected to after above-mentioned four assemblies series connection being exported, operating voltage after four assembly series connection can reach and be more than or equal to 300V.Fig. 1 is structural representation of the present utility model, solar module 1 is assembled on support 2, described solar cell faces the sun when installing and is obliquely installed, angle of inclination is 5 ° and is less than in 90 ° of scope tables, best angle of inclination is in+8 °, location latitude, can absorb solar energy to greatest extent, blocking solar module will be avoided during assembling, if blocked, not only can affect the energy output of battery, but also the life-span of battery can be affected, during assembling, solar panel is assembled in the vertically disposed support two ends with light pole 6, described four pieces of batteries, divide two-layer up and down, the electric pole both sides of the upper and lower are respectively arranged with a battery component, to mutually stagger between upper strata battery component and lower layer battery part, avoid upper strata cell panel to be formed lower floor's cell panel to block, affect generating and the life-span of cell panel, Fig. 2 is the utility model circuit connection diagram, the electricity that described solar module sends utilizes inverter 3 that DC power supply is transformed into AC power, then, send in electrical network by two-way ammeter 5, avoid the waste of unnecessary electricity, power grid electric can also be increased, certain effect is served to the generating of reduction fossil energy, for protection of the environment, reduce pollution can play a role, when street lamp 4 needs illumination, the alternating current in electrical network is directly utilized to throw light on by two-way ammeter 5, the number of street lamp 4 power consumptions, and the number of energy output can be found by ammeter, the solar cell street lamp of this structure, at this, the power supply that street lamp uses is AC power, in this enforcement example, described inverter is arranged on electric pole, can be according to circumstances, also can be arranged in the control cabinet of light pole lower end, component count of the present utility model is not limited to four pieces, as long as light pole mechanical load can meet extreme weather and routine request, as far as possible solar module can be installed more, assembly of the present utility model is also not limited to polycrystalline silicon solar cell, as long as solar module can ensure mechanical load and grid-connected parameters of electric power requirement after installing, other type cell also can use in the utility model.
By being connected in series four solar modules, the output voltage of battery can be made to meet the requirements of more than 300V, adapt to combining inverter DC voltage, four solar module outputs of serial connection arrange inverter, the direct current that solar cell produces can be transformed into alternating current direct to connect and be merged in electrical network, two-way ammeter is set between electrical network and inverter, the electricity that can count institute's energy output and use, be conducive to the management to solar cell, the solar cell street lamp of this structure, storage battery cost can be removed from, reduce the labour cost of maintain and replace storage battery, also the anti-theft measure that storage battery is taked is eliminated, take full advantage of Space, Place, for city space is few, inconvenience a kind of new path of having set up solar cell power generation system to open up, increase energy output.By being connected in series more than four solar modules, the output voltage of battery can be made to meet the requirements of more than 300V, adapt to combining inverter DC voltage, on single channel lamp stand, when mechanical load can ensure, enough large installed capacity can be installed, the electric energy that photovoltaic produces is directly by application grid-connected after inverter inversion, electric energy required for street lamp is from grid-connected middle supply, Bidirectional intelligent ammeter is set in centre and realizes bidirectional measuring, this mode has expanded the installing space in distributed power station greatly, the fabricating yard in distributed power station is made not to be limited to roof, the occasions such as vacant lot, the utilization that photovoltaic module is generated electricity spatially achieves three-dimensional, calculate with each street lamp single pole installation 1KW polysilicon members, 1000 light pole installed capacitys can realize the distributed power generation of 1MW, and in photovoltaic plant is built, the installed capacity of 1MW needs the land resource of about 30 mu, a large amount of single channel lamp stands is spread all in the current city of China and roadside, and be generally embedded with power supply network at roadside ground wire, generating of the present utility model is easy to access electrical network, fabricating yard of the present utility model does not need special land resource, a large amount of expenses can be saved, light pole all can be local as the installation of photovoltaic generation, described electric battery component according to place dimension+8 ° angle of inclination according to levels shift to install towards direction on, can absorb solar energy to greatest extent, four solar module outputs of serial connection arrange inverter, the technical requirement that distributed power generation is grid-connected can be met, the direct current that solar cell produces is transformed into alternating current direct connect and be merged in electrical network, two-way ammeter is set between electrical network and inverter, First Astronautic Research Institute for Measurement and Test's energy output and the power consumption that makes, be conducive to the management to solar cell, native system is when ensureing street lighting electricity consumption, play the photovoltaic installed capacity of light pole to greatest extent, the utility model original street lamp photovoltaic generation is only used to meet street lighting creationary change street lamp generating into can be grid-connected, the storage battery accounting for prime cost is eliminated in solar street light in street lighting, be conducive to the significantly reduction of solar street light illumination cost, light pole adopts enough large installed capacity, adopt inverter, achieve the great-leap-forward development of distributed solar generating, the technical solution of the utility model is adopted to be conducive to the extensive development application of distributed photovoltaic power generation.
After describing various specific embodiment of the present utility model above in detail, those of ordinary skill in the art should be well understood to, according to the various common practise of this area, can carry out various equivalent variations, equivalent replacement according to thinking of the present utility model or simply revise, these all should belong to the scope of technical solutions of the utility model.
Claims (6)
1. street lamp single pole photovoltaic distributed grid-connected electricity generation system, comprise solar module and light pole, it is characterized in that: solar module is arranged on light pole, inverter is provided with above light pole, solar module is connected to inverter after exporting, inverter is connected to the grid after exporting, and is provided with Bidirectional intelligent ammeter between inverter and electrical network, after the input of street lamp is connected to Bidirectional intelligent ammeter.
2. street lamp single pole photovoltaic distributed grid-connected electricity generation system according to claim 1, is characterized in that: on described light pole, series winding is provided with at least four solar modules, is connected to inverter after all solar module series connection export.
3. a kind of single-pole street lamp distributed grid-connected electricity generation system according to claim 1, it is characterized in that: described solar module is arranged on and is fixedly connected on the support of light pole, support is divided into the upper and lower, the light pole both sides of the upper and lower are respectively arranged with a solar module, described solar module is arranged on position, Chaoyang by being greater than 5 ° of rake angles being less than 90 °, and between the upper and lower, in the vertical direction shifts to install.
4. street lamp single pole photovoltaic distributed grid-connected electricity generation system according to claim 1, is characterized in that: described solar module arranges angle within the scope of place dimension Ф+8 °.
5. street lamp single pole photovoltaic distributed grid-connected electricity generation system according to claim 2, it is characterized in that: described light pole is arranged four solar modules, described solar cell is crystal silicon solar batteries, adopt 156 × 156 specification types polysilicon solar battery slice, the solar battery sheet equalization of above-mentioned for every sheet specification is cut into three small pieces, between all small pieces, series connection is rear mutually forms an assembly, be connected to inverter after above-mentioned four assemblies series connection being exported, the operating voltage after four assembly series connection is more than or equal to 300V.
6. street lamp single pole photovoltaic distributed grid-connected electricity generation system according to claim 2, it is characterized in that: described light pole is arranged four solar modules, described solar cell is monocrystaline silicon solar cell, adopt 125 × 125 specification types many monocrystaline silicon solar cells sheet, the solar battery sheet equalization of above-mentioned for every sheet specification is cut into three small pieces, between all small pieces, series connection is rear mutually forms an assembly, be connected to inverter after above-mentioned four assemblies series connection being exported, the operating voltage after four assembly series connection is more than or equal to 300V.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420588984.5U CN204103507U (en) | 2014-07-04 | 2014-10-13 | Street lamp single pole photovoltaic distributed grid-connected electricity generation system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365307 | 2014-07-04 | ||
| CN201420365307.7 | 2014-07-04 | ||
| CN201420588984.5U CN204103507U (en) | 2014-07-04 | 2014-10-13 | Street lamp single pole photovoltaic distributed grid-connected electricity generation system |
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| CN204103507U true CN204103507U (en) | 2015-01-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104935003A (en) * | 2015-06-06 | 2015-09-23 | 王子韩 | Streetlamp pole support based distributed photovoltaic power generation system |
| CN105305477A (en) * | 2014-07-04 | 2016-02-03 | 安阳方圆光电科技有限公司 | Street lamp single-rod distributed grid connected photovoltaic generation system |
-
2014
- 2014-10-13 CN CN201420588984.5U patent/CN204103507U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305477A (en) * | 2014-07-04 | 2016-02-03 | 安阳方圆光电科技有限公司 | Street lamp single-rod distributed grid connected photovoltaic generation system |
| CN104935003A (en) * | 2015-06-06 | 2015-09-23 | 王子韩 | Streetlamp pole support based distributed photovoltaic power generation system |
| CN104935003B (en) * | 2015-06-06 | 2018-12-11 | 王子韩 | A kind of distributed photovoltaic power generation system based on light pole support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ANYANG FANGYUAN ENERGY GROUP CO., LTD. Assignor: ANYANG FANGYUAN OPTOELECTRONIC TECHNOLOGY CO., LTD. Contract record no.: 2015410000030 Denomination of utility model: Street lamp single-rod distributed grid connected photovoltaic generation system Granted publication date: 20150114 License type: Exclusive License Record date: 20150423 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170912 Address after: 455000 No. 13 factory building, torch pioneer garden, west section of Changjiang Road, Anyang hi tech Zone, Henan Patentee after: ANYANG FANGYUAN ENERGY GROUP CO., LTD. Address before: 455000 Henan high tech Zone, the Yangtze River Road West Section Patentee before: ANYANG FANGYUAN OPTOELECTRONIC TECHNOLOGY CO., LTD. |
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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: 20150114 Termination date: 20181013 |