CN109334488A - Energy source station with oiling, aerating and photovoltaic generating system, energy-storage system and charging pile - Google Patents
Energy source station with oiling, aerating and photovoltaic generating system, energy-storage system and charging pile Download PDFInfo
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- CN109334488A CN109334488A CN201811198585.7A CN201811198585A CN109334488A CN 109334488 A CN109334488 A CN 109334488A CN 201811198585 A CN201811198585 A CN 201811198585A CN 109334488 A CN109334488 A CN 109334488A
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- energy
- photovoltaic
- storage system
- charging pile
- oiling
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention relates to a kind of energy source station with oiling, aerating and photovoltaic generating system, energy-storage system and charging pile, it is provided with photovoltaic generating system, energy-storage system and electric automobile charging pile in oil-gas stations, forms light, stores up, fills complementary micro power network system；Energy-storage system stores the extra output electric energy of photovoltaic system, website is provided at night to use, energy-storage system charges in the daily electricity price valley period, and in peak value electricity price on daytime, electric discharge is used for website, and the electric energy that website can not consume is supplied to electric car by charging pile and uses.The present invention has the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile, makes full use of oil-gas stations free time roof and Land Resources Exploitation to build photovoltaic system, combines traditional fossil energy with new energy, reduce carbon emission, protects environment；Photovoltaic system resource is not wasted, is generated electricity on demand, and the higher internal rate of return (IRR) is maintained；Photovoltaic system decaying is reduced, generated energy is improved, extends mould group service life.
Description
Technical field
The present invention relates to a kind of photovoltaic generating systems, in particular to a kind of have oiling, aerating and photovoltaic power generation
The energy source station of system, energy-storage system and charging pile.
Background technique
Present various types of photovoltaic power stations are wide in industries such as industrial premises, civil buildings, school, hospitals
General use.
Domestic gas station, gas station (hereinafter referred to as oil-gas stations) storage are very big, sum more than 100,000, be distributed in city,
Along rural area and highway.Its photovoltaic can be more than 100,000,000 square metres using area, and for installation scale up to 15Gw, annual electricity generating capacity is super
19,500,000,000 kilowatt hours are crossed, reduce 19,500,000 tons of CO2 emission.
But because oil-gas stations belong to inflammable and explosive region, the photovoltaic generating system for being suitable for oil-gas stations there is presently no one goes out
It is existing.Cause a large amount of station roofs, awning and soil idle, causes huge waste.
Summary of the invention
In view of the deficiency of the prior art, the present invention provide a kind of high security, high efficiency have refuel, aerating
And the energy source station of photovoltaic generating system, energy-storage system and charging pile.
The technical solution used in the present invention is:
A kind of energy source station with oiling, aerating and photovoltaic generating system, energy-storage system and charging pile,
It is provided with photovoltaic generating system, energy-storage system and electric automobile charging pile in oil-gas stations, forms light, stores up, fills complementation
Micro power network system；
Energy-storage system stores the extra output electric energy of photovoltaic system, and website is provided at night and is used, energy-storage system is every
It electricity price valley period charges, and in peak value electricity price on daytime, electric discharge is used for website, and the electric energy that website can not consume is logical
Overcharge stake is supplied to electric car use.
Awning region is all made of the lightweight color steel sheet roofing of fire proofing using grid structure and formed steel construction awning；
There are 3 ° to ridge two sides -- 5 ° of inclination angle；
Battery modules are installed using standing-seam formula aluminium alloy post, and cell array is similarly 3 °--5 ° inclination angles；
Station region uses concrete gravity aluminium alloy post；
Ground region photovoltaic generating system is using solar tracking bracket in standing.
The photovoltaic module of photovoltaic system uses copper indium gallium selenide film battery；
Adjustable attenuation method caused by photovoltaic system potential difference is as follows:
Using the intermediate potential earthing mode of safety, there is anode, negative regions in system；
Using the gap that photovoltaic system night is standby, reversely applied from the cathode interface of inverter direct-flow side into photovoltaic system
Add a voltage, since photovoltaic system voltage at this time is zero, backward voltage and do not have to it is too high, 220V in this way may be used
To remove accumulation on daytime in the negative electron of negative pole end, more holes are discharged.
Energy-storage system uses integrated form energy storage cabinet；Energy storage cabinet capacity is determined according to the practical electricity consumption of website.
The solar tracking bracket includes upper support shelf, is provided with photovoltaic cell component on support frame；
Solar tracking bracket includes: column, is provided with u-bracket at the top of column；
U-bracket is connected by cross shaft assembly with upper support shelf；
Bearing block is provided in u-bracket；Bearing block includes Left hand bearing block and right side bearing block；
Cross shaft assembly is provided on bearing block；
Cross shaft assembly includes: support rotating axis, is set with turning sleeve in the middle part of support rotating axis；
Support rotating axis axis is horizontally disposed；
Support rotating axis rotates in turning sleeve under external force；
Left-side support axis and Right side support axis are radially symmetrically set on turning sleeve outer circumference surface；
The axis perpendicular of the axis of Left-side support axis and Right side support axis and support rotating axis；
Left-side support axis is arranged on Left hand bearing block；
Right side support axis is arranged on the bearing block of right side；
The both ends of support rotating axis are provided with support base；
Support base includes front support seat and back support seat；
Front support seat and back support seat are connected with upper support shelf respectively；
Upper support shelf is rectangular frame；
There are four dead rings for the lower part setting of rectangular frame；
The corner of rectangular frame is arranged in dead ring；
Driving motor is provided on column；
Driving motor is connected with controller；
Driving motor includes top driving motor and lower part driving motor；
Driving motor is connected by transmission shaft with double flute wirerope wire spool；
Driving motor is connected by bolt with column；
Two cable wires are wound on double flute wirerope wire spool；
Two cable wires are wrapped in different directions on double flute wirerope wire spool；
Every driving motor drives two wireropes to move in the opposite direction；
The other end of wirerope is connected with the top dead ring in upper support shelf；
On the basis of be provided with lower part dead ring；
Lower part dead ring is connected with the lower end connection ring of connecting shaft；
Connecting shaft upper end is provided with fixed pulley；
Cable wire passes through fixed pulley and is connected with top dead ring.
Top dead ring, lower part dead ring and double flute wirerope wire spool are in perpendicular.
Middle part dead ring is provided with internal dead ring on the basis of column side；
Internal dead ring is connected by steel chain with the lower end of protection spring；
The upper end of protection spring is connected by configuration pulley with cable wire.
Column top is provided with cable wire folder；
Lower part dead ring is provided with middle part dead ring on the basis of column side；
Middle part dead ring is pressed from both sides with cable wire by assisting cable wire to be connected.
Solar tracking bracket is run using pre-programmed pattern；
According to the astronomy data pre-entered, the running track from sun daily from host computer installation point position, by adjusting
Thing inclination angle and pitch angle, photovoltaic mould group moment and the sun keep best angle；
According to astronomy data, universal time is controlled according to the latitude coordinates value of solar tracking bracket and Green's prestige, is calculated
Daily sun set/raise time and solar elevation control solar components in two axial directions with five minutes for minimum time unit
It keeps fixing with the relative angle of the sun on direction；
Solar tracking bracket movement by four groups of wireropes and center cross axle realize two axial directions on keep with too
The relative angle of sun is fixed；
After controller, which provides, to be executed instruction, two groups of motors by capstan winch drive respectively east, west to and southern, north orientation wirerope put
Pine or tightening；
Upper bracket structure is pulled and rotates；
Amount of spin is measured by the three-axis sensor on bracket；
After reaching predetermined angular, sensor provides signal, and controller stops motor operation.
Illumination photometer and thermometer by uploading environmental data to cloud platform in real time.
Three shaft position sensors, optical sensor and airspeedometer are configured on solar tracking bracket, can accurately analyze self space
Posture simultaneously makes corresponding adjustment.
In post sunset, solar tracking bracket runs to the state of 15 ° of inclination eastwards, and night if there is precipitation, can wash away mould
Group reaches clean effect.
When snowing, adjustment upper bracket to inclination maximum slides convenient for accumulated snow；
When air velocity transducer detects wind speed and reaches 28m/s, controller issues signal, runs supporting structure to horizontal position
It sets, amount of spin is measured by the three-axis sensor on bracket；After reaching predetermined angular, sensor provides signal, and controller stops
Only motor operation.
And solar tracking bracket is provided with communication module, can remotely observe support operation state in real time.
The present invention compared with the prior art the utility model has the advantages that
The present invention has the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile, makes full use of oil
Gas station free time roof and Land Resources Exploitation build photovoltaic system, combine traditional fossil energy with new energy, reduce carbon row
It puts, protects environment；All devices are completely in non-anti-explosion area, and prevent the generation of indirect disaster；Station inner region is divided
Class design, does not waste photovoltaic system resource, generates electricity on demand, maintains the higher internal rate of return (IRR)；Photovoltaic system decaying is reduced, hair is improved
Electricity extends mould group service life.
The present invention has the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile, and energy-storage system can
It is complementary with photovoltaic generating system, it is sustainable to provide the energy for website in rainy days and grid power blackout.Also, in peak of power consumption
Season can reduce network load, and the electric energy that consumption night leaves unused meets national " peak load shifting " Power policy, relies on simultaneously
" peak valley price differential " reduces electricity consumer by electric cost.
The addition of charging pile makes the oiling for consuming traditional fossil energy, gas station stride into new-energy automobile service field,
The very few bottleneck problem of electrically-charging equipment of limitation Development of Electric Vehicles at present is alleviated to a certain extent.
The present invention has the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile, has process letter
Single, the features such as safe and reliable, equipment and technology easily obtains, replication capacity is strong, applied widely.
This method both can inhibit the generation of PID phenomenon, in turn, ensures that system safety, avoids risk, and use cost
It is extremely low.
Detailed description of the invention
Fig. 1 is the control for the energy source station that the present invention has oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
System schematic；
Fig. 2 is the light storage for the energy source station that the present invention has oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
System schematic；
Fig. 3 is the solar tracking for the energy source station that the present invention has oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
The structural schematic diagram of bracket；
Fig. 4 is the solar tracking for the energy source station that the present invention has oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
The wirerope linkage structure schematic diagram of bracket；
Fig. 5 is the solar tracking for the energy source station that the present invention has oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
The structural schematic diagram of the action actuating mechanism of bracket；
Fig. 6 is the solar tracking for the energy source station that the present invention has oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
The solar tracking bracket installation position figure of bracket；
Fig. 7 is the partial enlargement diagram of the A of Fig. 6；
Fig. 8 is the partial enlargement diagram of the B of Fig. 6；
Fig. 9 is the solar tracking for the energy source station that the present invention has oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
The driving motor and cable connection schematic diagram of the solar tracking bracket of bracket；
Figure 10 is chasing after for the energy source station that the present invention has oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
Day wirerope of bracket and the attachment structure schematic diagram of bracket；
Figure 11 is the partial enlargement diagram of the C of Figure 10；
Figure 12 is the PID for the energy source station that the present invention has oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
BOX wiring diagram.
Main component symbol description in attached drawing:
In figure:
1: photovoltaic cell component 2: upper support shelf
3: cross shaft assembly 4: bearing block
5: upper and lower motor 6: electric cabinet
7: column 8, u-bracket
9, support base 10, double flute wirerope wire spool
21, spring 22, wirerope are protected
23, wire clip 24, auxiliary wirerope
25, wire clip 26, top dead ring
27, chaining part 28, chaining part bolt
29, configuration pulley 210, fixed pulley
211, steel chain 213, carbine
214 lower part dead rings.
Specific embodiment
Referring to the drawings and embodiment the present invention will be described in detail:
Attached drawing 1-12 is it is found that a kind of energy with oiling, aerating and photovoltaic generating system, energy-storage system and charging pile
It stands,
It is provided with photovoltaic generating system, energy-storage system and electric automobile charging pile in oil-gas stations, forms light, stores up, fills complementation
Micro power network system；
Energy-storage system stores the extra output electric energy of photovoltaic system, and website is provided at night and is used, energy-storage system is every
It electricity price valley period charges, and in peak value electricity price on daytime, electric discharge is used for website, and the electric energy that website can not consume is logical
Overcharge stake is supplied to electric car use.
Awning region is all made of the lightweight color steel sheet roofing of fire proofing using grid structure and formed steel construction awning；
There are 3 ° to ridge two sides -- 5 ° of inclination angle；
Battery modules are installed using standing-seam formula aluminium alloy post, and cell array is similarly 3 °--5 ° inclination angles；
Station region uses concrete gravity aluminium alloy post；
Ground region photovoltaic generating system is using solar tracking bracket in standing.
The photovoltaic module of photovoltaic system uses copper indium gallium selenide film battery；
Adjustable attenuation method caused by photovoltaic system potential difference is as follows:
Using the intermediate potential earthing mode of safety, there is anode, negative regions in system；
Using the gap that photovoltaic system night is standby, reversely applied from the cathode interface of inverter direct-flow side into photovoltaic system
Add a voltage, since photovoltaic system voltage at this time is zero, backward voltage and do not have to it is too high, 220V in this way may be used
To remove accumulation on daytime in the negative electron of negative pole end, more holes are discharged.
This function is realized that, by power distribution cabinet by power grid electricity side-draw, energy consumption is negligible for it by a PID BOX.
Energy-storage system uses integrated form energy storage cabinet；Energy storage cabinet capacity is determined according to the practical electricity consumption of website.
By taking the website of day power consumption 200kwh as an example, 600kwh stored energy capacitance is installed, practical exportable power is about
544kwh.In standing while 6 New-energy electric vehicles charging parking stalls of setting are about disappeared with the fully charged calculating of daily every 1 train number of parking stall
Consume 300kwh electricity.Energy-storage system can satisfy the day power consumption requirements of entire website substantially.
Energy-storage system is charged by the lowest point rate period (23:00-7:00), the Critical Peak Pricing period (10:30-11:
30,19:00-21:00) receive energy pipe with peak electricity tariff period (8:30-10:30,18:00- 19:00,21:00-23:00)
The scheduling strategy of reason system (EMS) is made by the charge and discharge of Energy Management System intelligentized control method for all load equipment work of website
With.
System is compact to design, highly-safe, includes 1 250kW energy accumulation current converter PCS using 20 Foot energy storage containers, and 1 set
Energy Management System EMS, 600kWh ferric phosphate lithium cell, 1 set of battery management system BMS, 1 set of power & environment supervision system and 1 set from
The equipment such as dynamic fire-fighting system.
Matched simultaneously with energy-storage system is fast-speed direct current charging pile, and technology maturation, compatibility is high, securely and reliably.It adopts
With two grade equipment collocation installations of 60KW and 120KW.By taking tesla's vehicle as an example, battery capacity 60kwh theoretically makes
It can be full of in a hour with 60kw grade charging pile, 120kw grade charging pile can be full of at 30 minutes, be reached
To theoretical course continuation mileage 400KM or more.
The solar tracking bracket includes upper support shelf 2, and photovoltaic cell component 1 is provided on support frame；
Solar tracking bracket includes: column 7, and u-bracket 8 is provided at the top of column 7；
U-bracket 8 is connected by cross shaft assembly 3 with upper support shelf 2；
Bearing block 4 is provided in u-bracket 8；Bearing block 4 includes Left hand bearing block and right side bearing block；
Cross shaft assembly 3 is provided on bearing block；
Cross shaft assembly 3 includes: support rotating axis 31, and turning sleeve 32 is set in the middle part of support rotating axis 31；
Support rotating axis axis is horizontally disposed；
Support rotating axis rotates in turning sleeve under external force；
Left-side support axis 33 and Right side support axis 34 are radially symmetrically set on 32 outer circumference surface of turning sleeve；
The axis perpendicular of the axis of Left-side support axis and Right side support axis and support rotating axis；
Left-side support axis 33 is arranged on Left hand bearing block 4；
Right side support axis 34 is arranged on right side bearing block 4；
The both ends of support rotating axis 31 are provided with support base 9；
Support base includes front support seat and back support seat；
Front support seat and back support seat are connected with upper support shelf respectively；
Upper support shelf 2 is rectangular frame；
There are four dead rings 26 for the lower part setting of rectangular frame；
The corner of rectangular frame is arranged in dead ring 26；
Driving motor is provided on column 7；
Driving motor is connected with controller；
Driving motor includes top driving motor and lower part driving motor i.e. top motor and lower motor；
Driving motor is connected by transmission shaft with double flute wirerope wire spool 10；
Driving motor is connected by bolt with column；
Two cable wires 22 are wound on double flute wirerope wire spool 10；
Two cable wires are wrapped in different directions on double flute wirerope wire spool 10；
Every driving motor drives two wireropes to move in the opposite direction；
The other end of wirerope is connected with the top dead ring 26 in upper support shelf；
On the basis of be provided with lower part dead ring 214；
Lower part dead ring is connected with the lower end connection ring of connecting shaft；
Connecting shaft upper end is provided with fixed pulley 210；
Cable wire passes through fixed pulley 210 and is connected with top dead ring.
Top dead ring 26, lower part dead ring 214 and double flute wirerope wire spool 10 are in perpendicular.
Middle part dead ring is provided with internal dead ring 216 on the basis of column side；
Internal dead ring 216 is connected by steel chain 213 with the lower end of protection spring 21；
The upper end of protection spring 21 is connected by configuration pulley 29 (fixed pulley) with cable wire 22.
Column top is provided with cable wire folder 25；
Lower part dead ring 214 is provided with middle part dead ring 215 on the basis of column side；
Middle part dead ring 215 is connected with lower part cable wire folder 25；
Lower part cable wire folder 25 is by assisting cable wire 24 to be connected with upper steel cord clip 25.
Solar tracking bracket is run using pre-programmed pattern；
According to the astronomy data pre-entered, the running track from sun daily from host computer installation point position, by adjusting
Thing inclination angle and pitch angle, photovoltaic mould group moment and the sun keep best angle；
According to astronomy data, universal time is controlled according to the latitude coordinates value of solar tracking bracket and Green's prestige, is calculated
Daily sun set/raise time and solar elevation control solar components in two axial directions with five minutes for minimum time unit
It keeps fixing with the relative angle of the sun on direction；
Solar tracking bracket movement by four groups of wireropes and center cross axle realize two axial directions on keep with too
The relative angle of sun is fixed；
After controller, which provides, to be executed instruction, two groups of motors by capstan winch drive respectively east, west to and southern, north orientation wirerope put
Pine or tightening；
Upper bracket structure is pulled and rotates；
Amount of spin is measured by the three-axis sensor on bracket；
After reaching predetermined angular, sensor provides signal, and controller stops motor operation.
Illumination photometer and thermometer by uploading environmental data to cloud platform in real time.
Three shaft position sensors, optical sensor and airspeedometer are configured on solar tracking bracket, can accurately analyze self space
Posture simultaneously makes corresponding adjustment.
In post sunset, solar tracking bracket runs to the state of 15 ° of inclination eastwards, and night if there is precipitation, can wash away mould
Group reaches clean effect.
When snowing, adjustment upper bracket to inclination maximum slides convenient for accumulated snow；
When air velocity transducer detects wind speed and reaches 28m/s, controller issues signal, runs supporting structure to horizontal position
It sets, amount of spin is measured by the three-axis sensor on bracket；After reaching predetermined angular, sensor provides signal, and controller stops
Only motor operation.
And solar tracking bracket is provided with communication module, can remotely observe support operation state in real time.
Such as Fig. 9, wirerope is starting point from wire spool, is connected by pulley with ground base at B point, at A point and bracket
One jiao is connected and fixed.C point is spring pulley contact point, the tensioner degree for keeping wirerope due to spring effect, in wirerope
In motion process, length H changes at any time, and C point position also can accordingly change.Four angles of supporting structure all respectively at
One wirerope is connected.
The present invention has the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile, makes full use of oil
Gas station free time roof and Land Resources Exploitation build photovoltaic system, combine traditional fossil energy with new energy, reduce carbon row
It puts, protects environment；All devices are completely in non-anti-explosion area, and prevent the generation of indirect disaster；Station inner region is divided
Class design, does not waste photovoltaic system resource, generates electricity on demand, maintains the higher internal rate of return (IRR)；Photovoltaic system decaying is reduced, hair is improved
Electricity extends mould group service life.
The present invention has the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile, and energy-storage system can
It is complementary with photovoltaic generating system, it is sustainable to provide the energy for website in rainy days and grid power blackout.Also, in peak of power consumption
Season can reduce network load, and the electric energy that consumption night leaves unused meets national " peak load shifting " Power policy, relies on simultaneously
" peak valley price differential " reduces electricity consumer by electric cost.
The addition of charging pile makes the oiling for consuming traditional fossil energy, gas station stride into new-energy automobile service field,
The very few bottleneck problem of electrically-charging equipment of limitation Development of Electric Vehicles at present is alleviated to a certain extent.
The present invention has the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile, has process letter
Single, the features such as safe and reliable, equipment and technology easily obtains, replication capacity is strong, applied widely.
This method both can inhibit the generation of PID phenomenon, in turn, ensures that system safety, avoids risk, and use cost
It is extremely low.
Bracket is mounted in the prefabricated cross concrete foundation in ground, and basal perimeter can plant undershrub etc., can also raise
It supports the family fowl.It is not safe from danger to environmental danger when operation, does not also generate noise.
Determine photovoltaic system installed capacity.The year electricity consumption level of oil-gas stations is estimated first.Usually II grades of oilings
Year electricity consumption of standing is about 40,000 kilowatt hours or so, and building station jointly then if it is oil gas is 150,000 kilowatt hours or so.Dress in power station
Machine meter counts that there are relatively big differences with conventional photovoltaic power station in.Major consideration has following two o'clock:
1, oil-gas stations are compact-sized, and different zones have different characteristics, are that the oil-gas stations of different condition formulate reasonable disposition side
Case；
2, according to the standard working-out photovoltaic system of distributed power station " generating power for their own use, surplus online ", oil-gas stations are considered as
Electric cost.The usual local business electricity price standard (1.5 yuan of peak value electricity price or so) of oil-gas stations electric cost execution, and upper wet end
Electricity price is divided then to execute (0.9 yuan or so) according to local stake electrovalence.From the perspective of improving the internal rate of return (IRR), institute's generated energy
=stand in consumption electricity be perfect condition, since photovoltaic power generation is by season and inside even from weather, thus should according to year mean value into
Row calculates.
3, in the suitable website of condition, in addition to photovoltaic generating system, energy-storage system and electric automobile charging pile is installed, formed
Light stores up, fills complementary micro power network system.Energy-storage system can store the extra output electric energy of photovoltaic system, mention at night
It is used for website, meanwhile, it charges in the daily electricity price valley period, and discharging in peak value electricity price on daytime makes for website
With.The part that website can not dissolve then passes through charging pile and is supplied to electric car use.
Oil-gas stations can use photovoltaic territorial classification
1, awning region: being usually the maximum roof of oil-gas stations, area is from hundreds of square meters to thousands of square meters etc..Highly 6
To 7 meters, roofing is non-anti-explosion area far from oiling island and storage tank.Structure is generally divided into bolt-ball net frame structure, formed steel construction and steel
Tendon concrete structure.Wherein reinforced concrete structure is more rare, is often required using in the biggish coastal area of wind load.Net
Frame structure and formed steel construction awning are all made of the lightweight color steel sheet roofing of fire proofing.For draining, there are 3 ° to ridge two sides -- 5 °
Inclination angle.Battery modules are installed using standing-seam formula aluminium alloy post current at present, and cell array is similarly 3 ° -- and 5 °
Inclination angle.
2, station region: according to the difference of website location, scale etc., station is designed as single or double layer, roofing surface
Product is usually smaller, is often the flat roof of cement of 100 to 200 square meters or so, except explosion-proof area.Its bearing capacity is good, can
To select optimum angle of incidence to carry out the installation of mould group according to local circumstance.Since roofing uses thermal-insulating waterproof material more, to avoid
It destroys, using concrete gravity aluminium alloy post.
3, ground solar tracking region in standing: in standing except anti-explosion area, do not influence plus, emptying vehicle pass-through, region not
To be not present using plan, periphery at present or following will not generate installs efficient solar tracking bracket on the vacant lot blocked.Bracket installation
Quantity is determined by land area.Current most of gas stations do not have the above site condition.
In three regions, accurate generated energy only can be carried out using the station region of optimum angle of incidence mounting means
Estimation: installed capacity X area photovoltaic number=estimated annual electricity generating capacity when hair
Awning region is 3 ° due to setting angle -- 5 °, annual electricity generating capacity only has 80% or so of station region.
Solar tracking bracket is since adjustment in every five minutes is once to day angle, and the moment keeps consistent with the angle of the sun, year power generation
Amount is about the 130% of station region.
So using the maximum awning region of area, generating capacity is most weak；Generating capacity strongest ground solar tracking area
Domain is restricted by many factors；Generating capacity is stablized, and the strong station of roofing bearing capacity can be less than normal using area, and if it is single layer station
Room is easily blocked by awning or surrounding building.Respectively there is feature in these regions, and the important link in the present invention is exactly rationally right
They are configured.
CIGS photovoltaic cell mould group
Explosion risk zontation is 0th area, 1st area and 2nd area in oil-gas stations, and specific standards are referring to " explosion and fire hazard ring
Border electric device design specification GB 50058 ".
It wherein defines as follows:
0th area: continuous to occur or occur for a long time the environment of explosive gas mixture；
1st area: the environment of explosive gas mixture is likely to occur when operating normally；
2nd area: the environment of explosive gas mixture can not occur when operating normally, or occurring be only in short-term
The environment of existing explosive gas mixture.
It is divided according to fuel charger explosion hazard area, tank truck shoe polish explosion hazard area divides and buried horizontal oil tank
Explosion hazard area divides, all apart from 4.5 meters of fuel charger radius, and emptying blow vent, the region except 3 meters of blow vent are non-explosion-proof
Area, therefore be not required to using special explosion-proof criteria electric equipment products.
For the appearance for avoiding indirect fire hazard, needs to improve and the fire prevention for being in outdoor layout equipment in oil-gas stations is wanted
It asks.Equipment mentioned here is solar battery mould group.
Photovoltaic module uses copper indium gallium selenide (CIGS) hull cell, and such battery has the safe and efficient, long-life and is applicable in
The features such as range is wide belongs to multi-element compounds class photovoltaic cell technology, has many advantages compared to conventional crystal silion cell:
A, battery structure:
Conventional crystal silicon (monocrystalline silicon/polysilicon) photovoltaic mould group is connected via conducting wire by several independent silicon wafers and is formed
, they are placed on plastics lining board, surface glass protection.At least there are a solder joints up to a hundred in each battery component
Series/parallel plays all silicon wafers.Silicon wafer generates photovoltaic effect under certain intensity of illumination, become be joined together one by one it is only
Vertical power supply.When the failure of certain a piece of silicon wafer (as just sheltered from light by leaf), it is to load and produce by power source transition
Heat energy, under given conditions, the high fever generated at solder joint can melt plastics lining board.It usually avoids that fire, crystal occurs
Silicon component can design installation bypass diode, but the above phenomenon still happens occasionally, and can not prevent.
The structure of CIGS hull cell passes through the means such as sputtering, coevaporation and chemical deposition completely and makes in glass back plate
5 different metallic diaphragms out mark off conducting and insulation system using physical means in different film layers, are consequently formed complete
Hull cell group in parallel.Top layer is with tempered glass as protection.
In such a configuration, the electric current export of battery realizes do not have series/parallel conducting wire, do not weld by different film layers
Contact.When battery structure is in a certain area failures, high temperature hot spot not will form.The substrate of glass does not also have burning condition.
B, decaying is controllable:
CIGS mould group due to the characteristic of its structure, either PID effect or temperature decline coefficient, all than crystalline silicon by
Influence want small.Specific method of controlling can be described in detail below.
C, electricity generation efficiency:
The spectral response peak range of CIGS mould group is: 350 --- 1100nM is shown in (attached drawing 7)
The spectral response peak range of crystalline silicon is: 750 --- 1000nM
CIGS mould group can work under wider light condition, and in other words, rainy weather can also generate electricity, and dim light is good.
The temperature coefficient of CIGS mould group be -0.3%/DEG C or so
The temperature coefficient of crystal mould group be -0.5%/DEG C or so
That is under normal temperature (25 DEG C), every 1 DEG C of the rising of temperature, CIGS power of battery decline 0.3%, and crystal silicon
Power of battery decline 0.5%.By taking summer as an example, the module temperature under sunlight usually reaches nearly 70 DEG C, the CIGS power of battery will under
Drop 13.5%, crystal silicon battery power will decline 22.5%.
By the way that compared with current most popular crystal silicon battery, the generated energy of CIGS battery is higher by crystal silicon battery on year-on-year basis
5%--8%.In the region of the such limited area of oil-gas stations, CIGS mould group obviously has more advantage.
PID suppression technology product
Decaying (PID) is that photovoltaic cell performance is caused to decline as caused by potential difference, the major reason of lower power production, it
The mechanism of generation is as follows:
The open-circuit voltage of CIGS photovoltaic system reaches 1000V, and operating voltage is more than 700V, according to normal electrical installation shape
Formula, we can select intermediate potential point to do ground protection, therefore in photovoltaic system, cathode voltage will remain in higher level
(500V--350V).Photovoltaic cell generation electric current is the free electron of the PN section side process mobile to the hole of the other side, this
Need higher energy of position and more active hole.And after using intermediate potential ground connection, cathode voltage only has 50%, power generation
Each group string will cause PN section free electron and sky close to the half battery modules of cathode all in negative potential in this way in square matrix
The reduction in cave, battery modules electricity generation efficiency persistently reduce.
Traditional processing mode are as follows: change grounding point, negative potential is changed to by intermediate potential, is grounded by cathode, it is referred to as " negative
Pole is grounded method ", system voltage can be made to be between 0V--1000V in this way, all be positive pressure.But do so need whole system and
All electrical equipments of neighboring area carry out insulation against ground, otherwise very likely occur smashing equipment, fire, electric shock hurt sb.'s feelings etc. it is tight
Weight accident.This way usually only environment it is relatively easy, there is professional detection device and the power station of special maintenance human attendance to make
With.Places inflammable and explosive in this way for oil-gas stations, that electrical equipment is numerous, surrounding enviroment are complicated, personnel are not relatively professional are obvious
This mode cannot be taken.
PID control method: the intermediate potential earthing mode of safety is still used, there is anode, negative regions in system.Benefit
With the gap that photovoltaic system night is standby, reversely apply an electricity into photovoltaic system from the cathode interface of inverter direct-flow side
Pressure, since photovoltaic system voltage at this time is zero, backward voltage does not simultaneously have to too high, 220V, can remove so white
Its accumulation discharges more holes in the negative electron of negative pole end.This function realizes that it passes through power distribution cabinet by a PID BOX
By power grid electricity side-draw, energy consumption is negligible.
PID BOX wiring diagram is shown in attached drawing 9.
This method both can inhibit the generation of PID phenomenon, in turn, ensures that system safety, avoids risk, and use cost
It is extremely low.
Integrated form energy storage cabinet；
At the station for having soil condition (have and leave unused using soil, and keep safe distance with oiling island and oil gas storage tank)
Point design installs integrated form energy storage cabinet.Energy storage cabinet capacity is determined according to the practical electricity consumption of website.With the station of day power consumption 200kwh
For point, 600kwh stored energy capacitance is installed, practical exportable power is about 544kwh.In standing while 6 New energy electrics are set
Automobile charging parking stall, with the fully charged calculating of daily every 1 train number of parking stall, about consumption 300kwh electricity.Energy-storage system can expire substantially
The day power consumption requirements of the entire website of foot.
Energy-storage system is charged by the lowest point rate period (23:00-7:00), the Critical Peak Pricing period (10:30-11:
30,19:00-21:00) receive energy pipe with peak electricity tariff period (8:30-10:30,18:00- 19:00,21:00-23:00)
The scheduling strategy of reason system (EMS) is made by the charge and discharge of Energy Management System intelligentized control method for all load equipment work of website
With.
System is compact to design, highly-safe, includes 1 250kW energy accumulation current converter PCS using 20 Foot energy storage containers, and 1 set
Energy Management System EMS, 600kWh ferric phosphate lithium cell, 1 set of battery management system BMS, 1 set of power & environment supervision system and 1 set from
The equipment such as dynamic fire-fighting system.
Matched simultaneously with energy-storage system is fast-speed direct current charging pile, and technology maturation, compatibility is high, securely and reliably.It adopts
With two grade equipment collocation installations of 60KW and 120KW.By taking tesla's vehicle as an example, battery capacity 60kwh theoretically makes
It can be full of in a hour with 60kw grade charging pile, 120kw grade charging pile can be full of at 30 minutes, be reached
To theoretical course continuation mileage 400KM or more.
Fig. 6, surface are N to (the positive north).
Two wireropes that upper motor is driven are respectively (the 45 ° of directions) X1, X3 (225 ° of directions)
Two wireropes that lower motor is driven are respectively (the 315 ° of directions) Y4, Y2 (135 ° of directions)
When bracket operating, two motor movements of daily solar motion track control in every 5 minutes provided according to computer,
The length of four wireropes is adjusted, to change pitch angle of the bracket on four direction.Different periods wirerope length sequence is big
It causes as follows:
At sunrise: Y4 > X1 > X3 > Y2 tilts southeastward side；
When high noon: Y4=X1 > X3=Y2 is tilted towards southern side；
At sunset: X1 > Y4 > Y2 > X3 tilts southwester side；
Wind sheltering mode: X1=Y2=X3=Y4 keeps horizontal；
Night mode: Y4=X3 > Y2 > X1 rolls eastwards oblique 15 °.
The present invention has the advantage that oil-gas stations free time roof and Land Resources Exploitation is made full use of to build photovoltaic system,
It combines traditional fossil energy with new energy, reduces carbon emission, protect environment；All devices are completely in non-anti-explosion area,
And prevent the generation of indirect disaster；Classification design is carried out to station inner region, photovoltaic system resource is not wasted, generates electricity on demand, maintain
The higher internal rate of return (IRR)；Photovoltaic system decaying is reduced, generated energy is improved, extends mould group service life.
Energy-storage system can be complementary with photovoltaic generating system, sustainable to provide energy for website in rainy days and grid power blackout
Source.Also, network load can be reduced in peak of power consumption season, the electric energy that consumption night leaves unused meets national " peak load shifting "
Power policy, while electricity consumer is reduced by electric cost by " peak valley price differential ".
The addition of charging pile makes the oiling for consuming traditional fossil energy, gas station stride into new-energy automobile service field,
The very few bottleneck problem of electrically-charging equipment of limitation Development of Electric Vehicles at present is alleviated to a certain extent.
In conclusion the present invention has, process is simple, safe and reliable, equipment and technology easily obtains, replication capacity is strong, is applicable in model
Enclose the features such as wide.
The above described is only a preferred embodiment of the present invention, not making in any form to structure of the invention
Limitation.Any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
Belong within the scope of technical solution of the present invention.
Claims (10)
1. a kind of energy source station with oiling, aerating and photovoltaic generating system, energy-storage system and charging pile, it is characterised in that:
It is provided with photovoltaic generating system, energy-storage system and electric automobile charging pile in oil-gas stations, forms light, stores up, fills the micro- of complementation
Type network system；
Energy-storage system stores the extra output electric energy of photovoltaic system, and website is provided at night and is used, energy-storage system is daily
The electricity price valley period charges, and in peak value electricity price on daytime, electric discharge is used for website, and the electric energy that website can not consume is by filling
Electric stake is supplied to electric car use.
2. there is the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile according to claim 1,
It is characterized by:
Awning region is all made of the lightweight color steel sheet roofing of fire proofing using grid structure and formed steel construction awning；
There are 3 ° to ridge two sides -- 5 ° of inclination angle；
Battery modules are installed using standing-seam formula aluminium alloy post, and cell array is similarly 3 ° -- 5 ° of inclination angles；
Station region uses concrete gravity aluminium alloy post；
Ground region photovoltaic generating system is using solar tracking bracket in standing.
3. there is the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile according to claim 1,
It is characterized by:
The photovoltaic module of photovoltaic system uses copper indium gallium selenide film battery；
Adjustable attenuation method caused by photovoltaic system potential difference is as follows:
Using the intermediate potential earthing mode of safety, there is anode, negative regions in system；
Using the gap that photovoltaic system night is standby, reversely apply one into photovoltaic system from the cathode interface of inverter direct-flow side
A voltage, since photovoltaic system voltage at this time is zero, backward voltage does not simultaneously have to too high, 220V, in this way can be clear
Except accumulation on daytime is in the negative electron of negative pole end, more holes are discharged.
4. there is the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile according to claim 1,
It is characterized by:
Energy-storage system uses integrated form energy storage cabinet；Energy storage cabinet capacity is determined according to the practical electricity consumption of website.
5. there is the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile according to claim 2,
It is characterized by:
The solar tracking bracket includes upper support shelf, is provided with photovoltaic cell component on support frame；
Solar tracking bracket includes: column, is provided with u-bracket at the top of column；
U-bracket is connected by cross shaft assembly with upper support shelf；
Bearing block is provided in u-bracket；Bearing block includes Left hand bearing block and right side bearing block；
Cross shaft assembly is provided on bearing block；
Cross shaft assembly includes: support rotating axis, is set with turning sleeve in the middle part of support rotating axis；
Support rotating axis axis is horizontally disposed；
Support rotating axis rotates in turning sleeve under external force；
Left-side support axis and Right side support axis are radially symmetrically set on turning sleeve outer circumference surface；
The axis perpendicular of the axis of Left-side support axis and Right side support axis and support rotating axis；
Left-side support axis is arranged on Left hand bearing block；
Right side support axis is arranged on the bearing block of right side；
The both ends of support rotating axis are provided with support base；
Support base includes front support seat and back support seat；
Front support seat and back support seat are connected with upper support shelf respectively；
Upper support shelf is rectangular frame；
There are four dead rings for the lower part setting of rectangular frame；
The corner of rectangular frame is arranged in dead ring；
Driving motor is provided on column；
Driving motor is connected with controller；
Driving motor includes top driving motor and lower part driving motor；
Driving motor is connected by transmission shaft with double flute wirerope wire spool；
Driving motor is connected by bolt with column；
Two cable wires are wound on double flute wirerope wire spool；
Two cable wires are wrapped in different directions on double flute wirerope wire spool；
Every driving motor drives two wireropes to move in the opposite direction；
The other end of wirerope is connected with the top dead ring in upper support shelf；
On the basis of be provided with lower part dead ring；
Lower part dead ring is connected with the lower end connection ring of connecting shaft；
Connecting shaft upper end is provided with fixed pulley；
Cable wire passes through fixed pulley and is connected with top dead ring.
6. there is the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile according to claim 5,
It is characterized by:
Top dead ring, lower part dead ring and double flute wirerope wire spool are in perpendicular.
7. there is the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile according to claim 6,
It is characterized by:
Middle part dead ring is provided with internal dead ring on the basis of column side；
Internal dead ring is connected by steel chain with the lower end of protection spring；
The upper end of protection spring is connected by configuration pulley with cable wire.
8. there is the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile according to claim 7,
It is characterized by:
Column top is provided with cable wire folder；
Lower part dead ring is provided with middle part dead ring on the basis of column side；
Middle part dead ring is pressed from both sides with cable wire by assisting cable wire to be connected.
9. with oiling, aerating and photovoltaic generating system, energy-storage system and being filled described in a kind of claim 1 to 8 any one
The energy source station of electric stake, which is characterized in that
Solar tracking bracket is run using pre-programmed pattern；
According to the astronomy data pre-entered, the running track from sun daily from host computer installation point position, by adjusting thing
Inclination angle and pitch angle, photovoltaic mould group moment and the sun keep best angle；
According to astronomy data, universal time is controlled according to the latitude coordinates value of solar tracking bracket and Green's prestige, is calculated daily
Sun set/raise time and solar elevation control solar components in two axial directions with five minutes for minimum time unit
Upper holding and the relative angle of the sun are fixed；
The movement of solar tracking bracket is realized by four groups of wireropes and the cross axle in center and is kept on two axial directions and the sun
Relative angle is fixed；
After controller, which provides, to be executed instruction, two groups of motors by capstan winch drive respectively east, west to and southern, north orientation wirerope loosen or
Tightening；
Upper bracket structure is pulled and rotates；
Amount of spin is measured by the three-axis sensor on bracket；
After reaching predetermined angular, sensor provides signal, and controller stops motor operation.
Illumination photometer and thermometer by uploading environmental data to cloud platform in real time.
10. there is the energy source station of oiling, aerating and photovoltaic generating system, energy-storage system and charging pile according to claim 9,
It is characterized by:
Three shaft position sensors, optical sensor and airspeedometer are configured on solar tracking bracket, can accurately analyze self space posture
And make corresponding adjustment.
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| CN110260336A (en) * | 2019-07-30 | 2019-09-20 | 湖南人文科技学院 | A kind of farm's distributed energy utilization system |
| CN113572195A (en) * | 2021-07-26 | 2021-10-29 | 阳光电源股份有限公司 | Photovoltaic module charging system and photovoltaic system |
| CN114394024A (en) * | 2022-01-26 | 2022-04-26 | 上海伟翔众翼新能源科技有限公司 | Wind-solar-storage integrated electric automobile charging system based on model predictive control |
| CN115580215A (en) * | 2022-11-10 | 2023-01-06 | 中建八局第三建设有限公司 | Novel integrated light and firewood storage integrated energy station |
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