CN205017058U - Fill and trade two segmentation dc bus power supply system of electric formula charging station - Google Patents
Fill and trade two segmentation dc bus power supply system of electric formula charging station Download PDFInfo
- Publication number
- CN205017058U CN205017058U CN201520736230.4U CN201520736230U CN205017058U CN 205017058 U CN205017058 U CN 205017058U CN 201520736230 U CN201520736230 U CN 201520736230U CN 205017058 U CN205017058 U CN 205017058U
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- bus
- energy
- bus system
- charging station
- conversion equipment
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The utility model relates to a fill and trade two segmentation dc bus power supply system of electric formula charging station, including one -level dc bus system, two -way DCDC conversion equipment and second grade dc bus system, one -level dc bus system is connected with second grade dc bus system through two -way DCDC conversion equipment. The utility model discloses the energy storage system who utilizes solar photovoltaic system and waste storage battery energy storage to form through second grade dc bus system, supplies power for trade electric robot, illumination, fire control, empty cooling water system for water cooled generator and other auxiliary facilities in the charging station to when the electric energy is sufficient with the energy storage of solar energy in waste storage battery, utilize the power supply of two -way DCDC conversion equipment can give the use of one -level dc bus system.
Description
Technical field
The utility model belongs to new-energy automobile field, is specifically related to one and fills and change the DC bus powered system of electric-type charging station two-part.
Background technology
Charging station as a Power supply unit electric motor car fill change use in electricity time, the Appropriate application of energy and the height of conversion efficiency particularly important, therefore more and more consideration direct current supply substitutes interchange now.DC line does not have induction reactance and capacitive reactance, does not just have reactive loss yet.If with interchange, except the resistance loss of heart line, also have the dielectric loss in insulation and the magnetic induction loss etc. in sheath and armouring.
Direct current transportation has following main feature: (1) direct current transportation overhead wire only needs positive and negative polarities wire, and tower structure is simple, and line corridor is narrow, and cost is low, and loss is little.The conveying capacity of DC line is strong; DC line is without capacitance current, and voltage's distribiuting along the line is even, does not need to install shunt reactor.(2) direct current cables circuit withstand voltage is high, transmission capacity is large, open transmission access is high, loss is little, the life-span is long, and fed distance is not by the restriction of capacitance current.(3) AC system at direct current transportation two ends is without the need to synchronous operation, and its transmission capacity is determined by electric current permissible value, and transmission capacity and distance, not by the restriction of the AC system synchronous operation at two ends, are conducive to long-distance and large-capacity power transmission.(4) the meritorious and idle of direct current transportation conveying all can control quickly and easily, utilizes this quick control can improve the runnability of AC system.(5) direct current transportation can carry out built by separate periods and compatilizing mechanism easily, is conducive to playing returns of investment.
Electric automobile charging station battery altering pattern is also known as ground charging system, and namely battery pack fast replacement system, also claims mechanical charge.The object of its charging is reached for by the battery pack directly changing electric automobile.Because battery weight is comparatively large, the specialization changing battery requires comparatively strong, need be equipped with professional and complete the replacing of battery, charging and maintenance fast by professed machine.Utilize battery altering charge mode, electric automobile user can rent the storage battery being full of electricity, changes the storage battery exhausted, and is conducive to improving vehicle service efficiency, also improves convenience and the agility of user's use.
Summary of the invention
The utility model is in order to overcome prior art deficiency, propose one to fill and change the DC bus powered system of electric-type charging station two-part, described DC bus powered system selects multisection type DC bus for changing the charging of electric-type charging station battery, for saving energy, realizing quick charge has very important meaning.
Technical solutions of the utility model are, one is filled and is changed the DC bus powered system of electric-type charging station two-part, comprise one-level DC bus system, two-way DC/DC conversion equipment and secondary DC bus system, described one-level DC bus system is connected with secondary DC bus system by two-way DC/DC conversion equipment.
Described one-level DC bus system comprises Power entry module and Executive Module, and described Power entry module comprises high-voltage fence, two-way AC/DC conversion equipment and hand switch, and described high-voltage fence is connected with hand switch by two-way AC/DC conversion equipment.
In Executive Module, be provided with unidirectional DC/DC device and battery, described hand switch is connected with the unidirectional DC/DC device in Executive Module by DC bus, and described battery is connected with unidirectional DC/DC device.
Described secondary DC bus system is provided with solar energy photovoltaic system and energy-storage system.
Energy-storage system comprises stored energy application terminal and energy storage group.Stored energy application terminal is change electric machine people, illumination, fire-fighting, air water cooling but system and other auxiliary equipment in charging station.Energy storage group is used and scrapped battery.
Beneficial effect:
The utility model utilizes the energy-storage system of solar energy photovoltaic system and used and scrapped battery energy storage composition, by secondary DC bus system, to change electric machine people, illumination, fire-fighting, the air water cooling in charging station, but system and other auxiliary equipment are powered, and when electric energy is sufficient by the energy storage of solar energy in used and scrapped battery, utilize two-way DC/DC conversion equipment for electric energy to one-level DC bus system.
Accompanying drawing explanation
Fig. 1 is network structure of the present utility model.
In figure, 1, high-voltage fence; 2, solar energy photovoltaic system; 3, hand switch; 4, two-way AC/DC conversion equipment; 5, two-way DC/DC conversion equipment; 6, DC bus; 7, unidirectional DC/DC device; 8, cell load; 9, stored energy application terminal.
Embodiment
As Fig. 1, described one-level DC bus system front end distribution section provides the one-level DC bus system of high power quality index from the 10kV electrical network access high-voltage fence 1 after transformer, filter and the rectification of two-way AC/DC conversion equipment 4 to charging station, i.e. DC bus 6, the electric energy providing high-voltage fence 1 to supply for cell load 8 by unidirectional DC/DC device 7.Secondary DC bus system is powered by solar energy photovoltaic system 2 and energy-storage system.Two-stage bussed supply is coordinated to supplement mutually, completes the Appropriate application of energy and efficient conveying.
Front end distribution section, namely high-pressure section comprises incoming line cabinet, metering cabinet, transformer case, outgoing line cabinet, contact cabinet, switch cubicle etc.; Low-pressure section comprises AC/DC rectifier cabinet and DC/DC direct current voltage reulation part.
The Power supply source of DC bus 6 is that solar energy photovoltaic system 2 and stored energy application terminal 9 form, energy storage group is made up of used and scrapped battery, solar energy photovoltaic system 2 to change electric machine people, illumination, fire-fighting, the air water cooling in charging station, but power by system and other auxiliary equipment, and when electric energy is sufficient by the energy storage of solar energy in used and scrapped battery, for use.
One-level DC bus system and secondary DC bus system two energy resource supply parts can work alone, also mutually supplementing of energy can be realized when needing by two-way DC/DC conversion equipment 5, particularly when solar energy system energy is sufficient, the mains supply part cutting off one-level DC bus system can be selected, carry out Power supply by solar energy photovoltaic system 2 completely.When overcast and rainy or low power consumption in night, by the electric energy of electrical network by two-way DC/DC conversion equipment 5 to the charging of energy-storage battery group, cheap electricity deposit is got up.
Critical component of the present utility model is the two-way DC/DC conversion equipment 5 in Fig. 1, and this two-way DC/DC conversion equipment 5 associates two DC buss 6, realizes the energy exchange between different-energy supply source.When described one-level DC bus system electricity shortage, by electrical network through two-way DC/DC conversion equipment 5 phase energy-storage battery group and mechanical trolley, air water cooling but power by system and other auxiliary system; Or when electric network fault has a power failure, powered to charger by energy-storage battery, implement emergent charging.
In Fig. 1, system power supply changes 10kV to 0.4kV by transformer, AC/DC rectification module converts interchange 0.4kV to direct voltage and charges to DC charging motor, hand switch 3 controls the Power supply of electrical network to DC bus 6, two-way DC/DC conversion equipment 5 is for connecting described one-level DC bus system and described secondary DC bus system, both by the coupling of electric pressure, also flowing freely of energy can be realized.
The electrical network trough period closes hand switch 3, electrical network electric energy is powered to DC charging motor, complete the charging operation of battery, electric energy is by after two-way DC/DC conversion equipment 5, be adjusted to suitable electric pressure for other equipment of charging station and waste and old energy-storage battery, because the electricity consumption of trough period is relatively cheap, now gives used and scrapped battery charging energy-storing, complete the storage of relatively inexpensive electric energy.If when the energy that solar energy photovoltaic system and used and scrapped battery store is sufficient, hand switch 3 can be disconnected, all power to whole charging station by solar energy and energy-storage battery, should and use when also can be used in electric network fault, this ensure that the sustainable of charging station, safe and stable operation.
Claims (2)
1. one kind is filled and changes the DC bus powered system of electric-type charging station two-part, it is characterized in that: comprise one-level DC bus system, two-way DC/DC conversion equipment and secondary DC bus system, described one-level DC bus system is connected with secondary DC bus system by two-way DC/DC conversion equipment;
Described one-level DC bus system comprises Power entry module and Executive Module, and described Power entry module comprises high-voltage fence, two-way AC/DC conversion equipment and hand switch, and described high-voltage fence is connected with hand switch by two-way AC/DC conversion equipment;
In Executive Module, be provided with unidirectional DC/DC device and battery, described hand switch is connected with the unidirectional DC/DC device in Executive Module by DC bus, and described battery is connected with unidirectional DC/DC device.
2. according to claim 1 filling changes the DC bus powered system of electric-type charging station two-part, it is characterized in that: described secondary DC bus system is provided with solar energy photovoltaic system and energy-storage system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736230.4U CN205017058U (en) | 2015-09-22 | 2015-09-22 | Fill and trade two segmentation dc bus power supply system of electric formula charging station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736230.4U CN205017058U (en) | 2015-09-22 | 2015-09-22 | Fill and trade two segmentation dc bus power supply system of electric formula charging station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017058U true CN205017058U (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520736230.4U Active CN205017058U (en) | 2015-09-22 | 2015-09-22 | Fill and trade two segmentation dc bus power supply system of electric formula charging station |
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| CN (1) | CN205017058U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099647A (en) * | 2017-12-07 | 2018-06-01 | 贵州电网有限责任公司电力科学研究院 | Electric vehicle parking systems charging system based on 10kv direct-current micro-grids |
| CN108667117A (en) * | 2018-05-18 | 2018-10-16 | 上海电机学院 | A kind of shared charger baby device based on bus platform photovoltaic generation |
| CN110380401A (en) * | 2019-08-27 | 2019-10-25 | 河南省水利勘测设计研究有限公司 | Town road direct current concentration-distributed distribution system |
-
2015
- 2015-09-22 CN CN201520736230.4U patent/CN205017058U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099647A (en) * | 2017-12-07 | 2018-06-01 | 贵州电网有限责任公司电力科学研究院 | Electric vehicle parking systems charging system based on 10kv direct-current micro-grids |
| CN108667117A (en) * | 2018-05-18 | 2018-10-16 | 上海电机学院 | A kind of shared charger baby device based on bus platform photovoltaic generation |
| CN110380401A (en) * | 2019-08-27 | 2019-10-25 | 河南省水利勘测设计研究有限公司 | Town road direct current concentration-distributed distribution system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Longgang street community of Longgang District of Shenzhen City Tongde Guangdong province 518049 pit road No. 64 building two Patentee after: Shenzhen city and Wei Wei power Polytron Technologies Inc Address before: 518049 Guangdong city of Shenzhen province Futian District Camry Factory 1, the entire 318 Patentee before: AUTOWAY, GUANGDONG ELECTRIC POWER CONSTRUCTION CO., LTD. |