CN203827036U - Electrical vehicle charging station charging system - Google Patents
Electrical vehicle charging station charging system Download PDFInfo
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- CN203827036U CN203827036U CN201420262221.1U CN201420262221U CN203827036U CN 203827036 U CN203827036 U CN 203827036U CN 201420262221 U CN201420262221 U CN 201420262221U CN 203827036 U CN203827036 U CN 203827036U
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- 238000007600 charging Methods 0.000 title claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000013500 data storage Methods 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims description 12
- 210000000352 storage cell Anatomy 0.000 claims description 9
- 238000011161 development Methods 0.000 abstract description 7
- 210000004027 cell Anatomy 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 2
- 210000004460 N cell Anatomy 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
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- 238000007667 floating Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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- 230000013011 mating Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Abstract
The utility model discloses an electrical vehicle charging station charging system. The system comprises a three-phase transformer, a centralized electric energy conversion unit, N direct current conversion charging units, N cell boxes, a background monitoring system, a timing unit, an illumination sensor unit, a data storage unit, a wireless communication unit, a controller unit, a driving unit, a solar cell panel, a storage battery energy storage unit and a DC/DC conversion unit, wherein the N is greater than or equal to 1. The system adopts the solar cell panel to generate power and electric energy is input into a direct current bus. One part can be used for charging an electrical vehicle and one part can be directly fed back to a power grid. The system accords with a national green environmental protection electricity consumption concept and accords with a national intelligent power grid development trend. An integrated level is high, a land occupation area is small and integral operation efficiency is high. Optimization control is convenient, a failure rate is low and an amount of used cables is less.
Description
Technical field
The utility model relates to a kind of electric automobile charging station charging system.
Background technology
Electric automobile refers to taking vehicle power as power, travels with power wheel, meets the vehicle of road traffic, safety regulations requirements.Due to less to the relative orthodox car of environmental impact, its prospect is extensively had an optimistic view of.
The composition of electric automobile comprises: the mechanical systems such as driven by power, control system, actuating force transmission complete the equipment of set task etc.Driven by power, control system are the cores of electric automobile, are also the maximum differences that is different from internal-combustion engines vehicle.Driven by power and control system are made up of speed-regulating control device of drive motor, power supply and motor etc.Other devices of electric automobile are basic identical with internal-combustion engines vehicle.The drive motor that power supply is electric automobile provides electric energy, and motor is mechanical energy by the electric energy conversion of power supply.Most widely used power supply is lead acid accumulator, but along with the development of electric vehicle engineering, lead acid accumulator is because energy is low, and charging rate is slow, and the life-span is short, is replaced gradually by other storage batterys.The power supply developing mainly contains sodium-sulphur battery, nickel-cadmium cell, lithium battery, fuel cell etc., and the application of these novel power supplies, for wide prospect has been opened up in the development of electric automobile.The effect of drive motor is to be mechanical energy by the electric energy conversion of power supply, by transmission device or direct drive of wheel and equipment.Electric automobile charging station refers to the website into charging electric vehicle, similar to present gas station.Along with low-carbon economy becomes the theme of China's economic development, electric automobile is as the important component part of new forms of energy strategy and intelligent grid, and one of the strategic new industry determined of State Council, will become the emphasis of Chinese Automobile Industry ' and energy industry development from now on.But ev industry is a systematic engineering of business, electric automobile charging station is one of key link, must realize common coordinated development with electric automobile other field.
The first, existing electric automobile charging station is all that the traditional electric energy of employing is charging electric vehicle, does not consider novel energy this part, does not meet national green environmental protection concept, meets the industrial policies such as national low-carbon economy, energy-saving and emission-reduction.
The second, the charging system of the existing electric automobile charging station generally using is converted into alternating current by AC/DC charger the direct current mating with battery parameter, gives the battery charging of electric automobile.In existing charging system, the AC of AC/DC charger is directly connected with the three phase mains of electrical network, under the control of charging station background monitoring system, be to meet the battery charging that the direct current of battery specification is electric motor car by battery case by grid alternating current rectification respectively.There is following shortcoming in this charging system: the low floor space of multiple AC/DC chargers distribution operation integrated level is large; AC/DC charger distributes and moves, and overall operation efficiency is low, is not easy to optimal control, and more easily breaks down; A large amount of cable laying workloads is large, expends a large amount of manpower and materials.
Utility model content
The purpose of this utility model is to provide a kind of electric automobile charging station charging system, has mainly solved following problem: the first, and existing charging station all adopts traditional electric energy, does not use new forms of energy, does not meet national green environmental protection concept; The second, AC/DC charger distributes and moves, and overall operation efficiency is low, is not easy to optimal control, and more easily breaks down; A large amount of cable laying workloads is large, expends a large amount of manpower and materials; Multiple AC/DC chargers distribute and move the large problem of the low floor space of integrated level.
In order to realize above object, the technical solution of the utility model is as follows: electric automobile charging station charging system, comprises three-phase transformer, centralized electric energy converting unit, a N direct current convert charging unit, a N battery case, background monitoring system; Timing unit, optical sensor unit, data storage cell, wireless communication unit, controller unit, driver element, solar panel, batteries to store energy unit, DC/DC converting unit; N >=1;
The high-pressure side input of described three-phase transformer connects three-phase alternating current electric wire, and the low-pressure side output of three-phase transformer connects the input of centralized electric energy converting unit, and the output of centralized electric energy converting unit connects DC bus;
The input of described direct current convert charging unit connects DC bus, the output electrical connection battery case of direct current convert charging unit;
Described centralized electric energy converting unit can also feed back to three-phase transformer by the electric energy of DC bus;
Described direct current convert charging unit can also feed back to DC bus by the electric energy of battery storage;
The output voltage size of the centralized electric energy converting unit of described background monitoring system control and direct current convert charging unit;
Described timing unit, optical sensor unit, data storage cell, wireless communication unit are electrically connected with controller unit;
Described controller unit turns to by driver element control solar panel;
The electric energy output end of described solar panel connects the input of batteries to store energy unit, and the output of batteries to store energy unit connects the input of DC/DC converting unit, and the output of DC/DC converting unit connects DC bus;
Controller unit is communicated by letter with background monitoring system by wireless communication unit.
Be more preferably technical scheme, the output voltage of described centralized electric energy converting unit is greater than 650V.
Be more preferably technical scheme, the controller of described background monitoring system adopts TMS320C6713.
Be more preferably technical scheme, described timing unit and controller unit adopt MSP430 chip microcontroller; Described data storage cell adopts 24C02 chip; Described wireless communication unit adopts NRF2401 chip to realize.
Compared with prior art scheme, the beneficial effects of the utility model: first, the generating of employing solar panel, and electric energy is input to DC bus, a part can be charged for electric motor car, a part can directly feed back to electrical network, meets national green environmental protection electricity consumption theory and also meets national intelligent grid development trend; Second, centralized electric energy converting unit is concentrated the electric energy of electrical network to be converted to high-voltage direct-current electric energy and to offer DC bus, distributing to multiple direct current convert chargings unit by DC bus, is the rechargeable electrical energy that meets battery request by direct current convert charging cell translation.Prior art is all to adopt the operation that distributes relatively, and the high floor space of the utility model integrated level is little, and overall operation efficiency is high, is convenient to optimal control, failure rate is low, and the cable of use is few.
Brief description of the drawings
Fig. 1 is the utility model principle schematic.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Electric automobile charging station charging system, comprises 1 three-phase transformer, 1 centralized electric energy converting unit, 15 direct current convert charging unit, 15 battery cases, background monitoring system; Timing unit, 3 optical sensor unit, data storage cell, wireless communication unit, controller unit, driver element, solar panel, batteries to store energy unit, DC/DC converting unit;
The high-pressure side input of three-phase transformer connects three-phase alternating current electric wire, and the low-pressure side output of three-phase transformer connects the input of centralized electric energy converting unit, and the output of centralized electric energy converting unit connects DC bus; The input of direct current convert charging unit connects DC bus, the output electrical connection battery case of direct current convert charging unit; Centralized electric energy converting unit can also feed back to three-phase transformer by the electric energy of DC bus; Direct current convert charging unit can also feed back to DC bus by the electric energy of battery storage; The output voltage size (realizing by controlling control end) of the centralized electric energy converting unit of background monitoring system control and direct current convert charging unit; Timing unit, optical sensor unit, data storage cell, wireless communication unit are electrically connected with controller unit; Controller unit turns to by driver element control solar panel; The electric energy output end of solar panel connects the input of batteries to store energy unit, and the output of batteries to store energy unit connects the input of DC/DC converting unit, and the output of DC/DC converting unit connects DC bus; Controller unit is communicated by letter with background monitoring system by wireless communication unit.
Wherein, the output voltage of described centralized electric energy converting unit equals 1200V.
Wherein, the controller of described background monitoring system adopts TMS320C6713.
Wherein, described timing unit and controller unit adopt MSP430 chip microcontroller (because MSP430 single-chip microcomputer contains timer function); Described data storage cell adopts 24C02 chip; Described wireless communication unit adopts NRF2401 chip to realize.
3 optical sensor unit, one of them Due South is to layout, and a due east direction arranges, and a positive west is to layout.Judge according to the aggregation of data of these 3 optical sensor unit collections, more accurate.
Adjust the direction of solar panel according to the time alarm of timer units.
Thereby timer units and optical sensor unit binding analysis can make solar panel more accurately towards sunlight.
The TMS320C6713DSP C6000 series DSP chip that to be American TI released in 1997 a, it is 32 high-speed floating point type DSP, clock highest frequency is 300MHz.TMS320C6713 main feature has: (1) architecture adopts very long instruction word (VLIW) structure, and single instrction word length is 32, has 8 instructions in instruction bag, and total word length reaches 256.The functional unit of carrying out instruction distributes in the time of compiling, when program operation, by special instruction distribution module, the instruction bag of each 256 can be assigned to 8 processing units simultaneously, and be moved by 8 unit simultaneously.Its maximum processing capability can reach 2400MIPS.(2) adopt level 2 buffering processing, the program buffer L1P that 4KByte directly mates, the data buffering L1D that 4KByte can mate, 256KByteL2 additionally mates internal memory.32 external memory interfaces, can seamless link SRAM, EPROM, Flash, SBSRAM and SDRAM.
MSP430 series monolithic is the single-chip microcomputer of 16, adopt reduced instruction set computer (RISC) structure, there is abundant addressing system (7 kinds of source operand addressing, 4 kinds of destination operand addressing), succinct 27 core instructions and a large amount of dummy instructions; In a large amount of registers and sheet, data storage all can be participated in multiple computing; The processing instruction of tabling look-up efficiently in addition.These features have ensured to develop high efficiency source program.
Operation principle of the present utility model and using method: when the high floor space of integrated level of centralized electric energy converting unit is little, overall operation efficiency is high, is convenient to optimal control, failure rate is low.And can feedback power to electrical network.The electric energy that solar panel produces is all input to DC bus, and then a part is used for to charging electric vehicle, and a part is used for feeding back to electrical network.Regulate the direction of solar panel by the time alarm of timing unit, such as morning 6～8 solar panel is towards due east direction, 9～10 solar panels are towards southeastern direction, a 11～solar panel towards Due South to, by that analogy, therefore can effectively ensure that solar panel is all the time just to the sun; By multiple optical sensors unit, because the optical sensor due south having arranges, and some due east arranges, and the positive west having arranges, thereby and the current the signal just optical sensor of sunlight necessarily being gathered judges more greatly current sun direction of light.Above 2 kinds of methods are in conjunction with can accurately judging current sun direction of light.
Claims (4)
1. electric automobile charging station charging system, is characterized in that: comprise three-phase transformer, centralized electric energy converting unit, a N direct current convert charging unit, a N battery case, background monitoring system; Timing unit, optical sensor unit, data storage cell, wireless communication unit, controller unit, driver element, solar panel, batteries to store energy unit, DC/DC converting unit; N >=1;
The high-pressure side input of described three-phase transformer connects three-phase alternating current electric wire, and the low-pressure side output of three-phase transformer connects the input of centralized electric energy converting unit, and the output of centralized electric energy converting unit connects DC bus;
The input of described direct current convert charging unit connects DC bus, the output electrical connection battery case of direct current convert charging unit;
Described centralized electric energy converting unit can also feed back to three-phase transformer by the electric energy of DC bus;
Described direct current convert charging unit can also feed back to DC bus by the electric energy of battery storage;
The output voltage size of the centralized electric energy converting unit of described background monitoring system control and direct current convert charging unit;
Described timing unit, optical sensor unit, data storage cell, wireless communication unit are electrically connected with controller unit;
Described controller unit turns to by driver element control solar panel;
The electric energy output end of described solar panel connects the input of batteries to store energy unit, and the output of batteries to store energy unit connects the input of DC/DC converting unit, and the output of DC/DC converting unit connects DC bus;
Controller unit is communicated by letter with background monitoring system by wireless communication unit.
2. electric automobile charging station charging system according to claim 1, is characterized in that: the output voltage of described centralized electric energy converting unit is greater than 650V.
3. electric automobile charging station charging system according to claim 1, is characterized in that: the controller of described background monitoring system adopts TMS320C6713.
4. electric automobile charging station charging system according to claim 1, is characterized in that: described timing unit and controller unit adopt MSP430 chip microcontroller; Described data storage cell adopts 24C02 chip; Described wireless communication unit adopts NRF2401 chip to realize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420262221.1U CN203827036U (en) | 2014-05-21 | 2014-05-21 | Electrical vehicle charging station charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420262221.1U CN203827036U (en) | 2014-05-21 | 2014-05-21 | Electrical vehicle charging station charging system |
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| Publication Number | Publication Date |
|---|---|
| CN203827036U true CN203827036U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420262221.1U Expired - Fee Related CN203827036U (en) | 2014-05-21 | 2014-05-21 | Electrical vehicle charging station charging system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106611887A (en) * | 2015-10-21 | 2017-05-03 | 保时捷股份公司 | Method for charging or discharging a vehicle battery |
| CN106849233A (en) * | 2017-02-06 | 2017-06-13 | 全球能源互联网欧洲研究院 | A kind of centralized charge-discharge system, control method and device |
| WO2019041746A1 (en) * | 2017-08-28 | 2019-03-07 | 上海蔚来汽车有限公司 | Battery charging and swapping station |
| CN110901471A (en) * | 2019-11-19 | 2020-03-24 | 广州东方电科自动化有限公司 | Rapidly-extensible electric automobile flexible direct-current charging system |
-
2014
- 2014-05-21 CN CN201420262221.1U patent/CN203827036U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106611887A (en) * | 2015-10-21 | 2017-05-03 | 保时捷股份公司 | Method for charging or discharging a vehicle battery |
| CN106849233A (en) * | 2017-02-06 | 2017-06-13 | 全球能源互联网欧洲研究院 | A kind of centralized charge-discharge system, control method and device |
| WO2019041746A1 (en) * | 2017-08-28 | 2019-03-07 | 上海蔚来汽车有限公司 | Battery charging and swapping station |
| CN110901471A (en) * | 2019-11-19 | 2020-03-24 | 广州东方电科自动化有限公司 | Rapidly-extensible electric automobile flexible direct-current charging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |