CN203151127U - One-machine-and-multiple-charging electrombile charging system and method - Google Patents
One-machine-and-multiple-charging electrombile charging system and method Download PDFInfo
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- CN203151127U CN203151127U CN 201220657549 CN201220657549U CN203151127U CN 203151127 U CN203151127 U CN 203151127U CN 201220657549 CN201220657549 CN 201220657549 CN 201220657549 U CN201220657549 U CN 201220657549U CN 203151127 U CN203151127 U CN 203151127U
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- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
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- 238000010276 construction Methods 0.000 description 2
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- 239000002253 acid Substances 0.000 description 1
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- 230000000903 blocking effect Effects 0.000 description 1
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Abstract
The utility model discloses a one-machine-and-multiple-charging electrombile charging system and method which are used for electrombile charging. The one-machine-and-multiple-charging electrombile charging system and method are characterized in that a rectifying module is divided into a fixing group and a switching group, wherein the output end of each module of the fixing group is respectively connected with each output charging port, and a group of bidirectional controllable electronic switches is connected between the positive pole and the negative pole of the output end of each module of the switching group and each output charging port; the number of opened modules of the switching group is simultaneously controlled by a master control unit according to the size of the current capable of being output by each module; and when output voltage of the opened modules rises to be nearly equal to the battery voltage of an electrombile, the output controllable electronic switches of the opened modules of the switching group are simultaneously turned on, and the modules of the fixing group and the modules of the switching group are all connected with a battery to be charged. According to the one-machine-and-multiple-charging electrombile charging system and method, the utilization ratio of the modules is greatly improved, fast charging can be achieved, and requirements of customers for the charging time can be met; and simultaneously the electrombile battery can be charged in customization mode according to requirements of the customers or a battery management system (BMS), and battery service life can be prolonged.
Description
Technical field
The utility model relates to a kind of charging system for the electric motor car charging.
Background technology
The electric motor car industry is risen at present, the electric motor car charger of Pei Beiing also and then grows up thereupon, but at present because price height, influence such as the battery reliability is low, the charging interval is long, can only use among a small circle in the part, the electrically-charging equipment of electric motor car also can't carry out extensive layout, thereby the electric motor car scope of activities is subjected to very big restriction, must strengthen the extensive layout of electrically-charging equipment, could promote the extensive development of electric motor car.The extensive layout of electrically-charging equipment be subjected to again electrically-charging equipment drop into high, the rare costliness in land for building, area, down town can't the Large scale construction charging station, few, charging interval of electric motor car longly influences influence such as charging station benefit, has a strong impact on the fast development of electric motor car industry.Therefore at present alternating-current charging pile an a kind of machine two just occurred and has filled the AC charging facility that (output charging socket) or a machine four fill, because AC charging facility power output can be directly from electrical network, the power conversion need not be carried out in the centre, and maximum requirement is just passable as long as the distribution device current class between input and output satisfies gross power.But the AC charging time is long, can't satisfy the quick charge requirement, simultaneously for powerful charging electric vehicle batteries such as electronic public transport, electric pressure is higher, can't directly adopt to exchange and charge, must adopt dc charging motor to charge, the present dc charging motor overwhelming majority is filled for the unit list, charge once can only for an electric automobile, also there is the part charger to begin the dc charging motor that adopts a machine two to fill, but can only accomplish charging module is divided into two groups, connect two charging output plugs respectively, can charge for simultaneously two electric automobiles, as shown in Figure 1, this because the dc charging motor that charger constancy of volume or constant next machine two of situation of single-machine capacity fill exists elongated one times of charging interval nearly, just two chargers simply are contained in the cupboard, utilize a cover control and management system, do not deal with problems at all.The dc charging motor that an another kind of machine two fills as shown in Figure 2, it has just designed a cover switched system at the output of charger, many one group of delivery outlets, the same time can only be given an electric motor car charging, could begin charging after another electric automobile must wait last charging electric vehicle to finish, also not solve the practical challenges that the development of electric motor car electrically-charging equipment faces.
Summary of the invention
The purpose of this utility model is that existing charger utilance is low in order to solve, the electrically-charging equipment investment is big, take up an area of big, can not be simultaneously to the multimode charging, problem such as charge power is limited and propose a kind of many charging motor-car charging systems.
The utility model technical scheme that the motor-car charging system adopts of charging is more: two and above rectification module and output charge port are arranged, rectification module is divided into fixing group and switch groups, fixedly pack module output links to each other with each output charge port respectively, be connected with one group of two-way controllable electronic switch between the output both positive and negative polarity of each module of switch groups and each the output charge port, master control, demonstration, communication unit module connect each module and output control switch unit module respectively, and output control switch unit module is connected in two-way controllable electronic switch.
The utility model technique effect is:
1, the utility model has adopted a kind of multimode blocking DC charging system and automatic switchover output module, the utilance of module significantly promotes, different charge port can both obtain that system is more high-power externally charges, and can realize the quick charge requirement, solve the requirement of client to the charging interval; Also can require battery of electric vehicle is customized charging according to client or BMS simultaneously, when the client does not need quick charge, adopt this charge mode can improve the life-span of battery.
2, because the most effective point of module has a scope usually, this charging system can both be carried out the energy-saving charging pattern to each charge port, allow the corresponding operational module of each charge port all be operated between most effective point range, improve the entire system charge efficiency, reach energy-conservation purpose.
3, the utility model can reduce the quantity of output bidirectional switch (high voltage direct current switching device cost is higher) on the one hand, can guarantee that each charge port can both have module to charge simultaneously.The switch groups module can switch to the charge port that needs as required flexibly, accomplishes the top-tier customer Priority Service.
4, the number of modules in the utility model can not be used at the very start and assort, and may increase flexibly according to the development of electric motor car, and when electric motor car increased, complementary module progressively reached the purpose of reducing investment outlay again, simultaneously, need not carry out repeated construction.
Description of drawings
Fig. 1 is existing two kinds of different charger structure charts with Fig. 2;
Fig. 3 is the structure chart of a kind of many charging motor-car charging systems of the utility model;
Fig. 4 is an instance graph of the present utility model;
Fig. 5 is application illustration of the present utility model.
Embodiment
As shown in Figure 3, there be N rectification module in the utility model system, have M output charge port, N, M all be two and more than.Rectification module is divided into two classifications, is referred to as fixing group and switch groups, the module of each group might not be put together, can place flexibly according to system requirements.Fixedly pack module output links to each other with each output charge port respectively, and the centre need not add diverter switch, and the number of modules that each output charge port connects is not necessarily identical.The output both positive and negative polarity of each module of switch groups (also several modules can be connected in parallel be used as a module come with) is exported between charge port with each one group of two-way controllable electronic switch device.Master control, demonstration, communication unit module connect each module and output control switch unit module respectively, and output control switch unit module is connected in two-way controllable electronic switch device.
When any one charge port had the discontented unabridged version charge port charging of module output current that electric motor car is fixedly linked to need, the module of switch groups required to switch the module of corresponding number to this charge port according to electric motor car charging current (or power).
Whole charging process can be as follows, but be not limited to this course of work: charger is set up information interaction with the electric motor car that needs charging by communicating by letter, obtain the battery information of electric motor car, as car the BMS(battery management system is arranged) time, just can obtain the required electric current and voltage of electric motor car charging, the rectification module of fixing group is opened, according to each module can output current size, system master unit processed is controlled the number of opening the switch groups module simultaneously, make the module output current of this part unlatching can satisfy this electric motor car charging demand, the output voltage of institute's opening module rises to battery of electric vehicle voltage and approaches when equating, fixing group and the module of switch groups all begin to link to each other with battery and begin to charge, just the switch groups module need be opened the output gate-controlled switch of this part module simultaneously, and all modules begin to charging battery of electric vehicle.The output gate-controlled switch should use two-way gate-controlled switch, can prevent that different electric motor cars from influencing each other (as anti-filling, crossfire etc.) owing to their cell voltage differences even cause certain danger in when charging.When charge capacity progressively rises, charging current can begin to descend, at this moment, can control unit calculates according to size of current close a module, when closing charging current that a module also can satisfy this moment when requiring, main control unit is closed the module of a switch groups, and the output switch of this module all disconnects accordingly.Disconnect module and can switch to another the output charge port that need charge or disconnect idle (holding state), to another electronic charging.The module of switch groups can progressively be switched into corresponding charge port according to the needs of charging current (or power), can be also to switch to corresponding charge port simultaneously; Same, the module of switch groups can progressively switch (disconnection); All switch disconnection up to the switchable module that this charge port is all.Fixedly pack module is progressively closed each module of fixedly group that is connected in this charge port again according to the needs of charging current, finishes charging up to this charge port.
According to the difference of different charging batteries of electric automobile voltages, electric current, all the module outputs of modular DC charging system are switched as required.Because the voltage of battery charge is directly related with the internal characteristic of battery with charging current, different batteries all have different charging curve requirements, floating charge is arranged, all different conditions such as fill as: lead-acid battery, float charge voltage is different with even charging voltage, charging current is along with the increase of charging capacity is constantly to change, thereby different time also changes the power requirement of charger in charging process, and the utility model changes these characteristics according to the electric current and voltage of battery charge with the variation in charging interval and charges.
The output of each module in the utility model can only add two-way gate-controlled switch at output one utmost point, and another utmost point is connected in parallel, and is just adding two-way gate-controlled switch as output, and all outputs are negative to be parallel with together, also can reach same effect.As shown in Figure 4.
The two-way controllable electronic switch of output in the utility model can be selected different switches for use, opens etc. as two MOSFET, relay, contactor, controlled sky, and Fig. 5 is exactly to be a kind of concrete application of example with two MOSFET.
Claims (3)
1. machine motor-car charging system that charges more, two and above rectification module and output charge port are arranged, it is characterized in that: rectification module is divided into fixing group and switch groups, fixedly pack module output links to each other with each output charge port respectively, be connected with one group of two-way controllable electronic switch between the output both positive and negative polarity of each module of switch groups and each the output charge port, master control, demonstration, communication unit module connect each module and output control switch unit module respectively, and output control switch unit module is connected in two-way controllable electronic switch.
2. a machine according to claim 1 motor-car charging system that charges, it is characterized in that: output one utmost point of each module connects two-way gate-controlled switch, and another utmost point is connected in parallel more.
3. a machine according to claim 1 motor-car charging system that charges, it is characterized in that: two-way controllable electronic switch is that two MOSFET, relay, contactor or controlled sky are opened more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220657549 CN203151127U (en) | 2012-12-04 | 2012-12-04 | One-machine-and-multiple-charging electrombile charging system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220657549 CN203151127U (en) | 2012-12-04 | 2012-12-04 | One-machine-and-multiple-charging electrombile charging system and method |
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| CN203151127U true CN203151127U (en) | 2013-08-21 |
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| CN 201220657549 Expired - Fee Related CN203151127U (en) | 2012-12-04 | 2012-12-04 | One-machine-and-multiple-charging electrombile charging system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023106A (en) * | 2012-12-04 | 2013-04-03 | 江苏嘉钰新能源技术有限公司 | One-machine-and-multiple-charging electrombile charging system and method |
| CN109639114A (en) * | 2018-12-26 | 2019-04-16 | 西安迅湃快速充电技术有限公司 | A kind of dual channel source system and its parallel operation method |
-
2012
- 2012-12-04 CN CN 201220657549 patent/CN203151127U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023106A (en) * | 2012-12-04 | 2013-04-03 | 江苏嘉钰新能源技术有限公司 | One-machine-and-multiple-charging electrombile charging system and method |
| CN109639114A (en) * | 2018-12-26 | 2019-04-16 | 西安迅湃快速充电技术有限公司 | A kind of dual channel source system and its parallel operation method |
| CN109639114B (en) * | 2018-12-26 | 2021-08-27 | 西安迅湃快速充电技术有限公司 | Dual-channel power supply system and parallel operation method thereof |
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| 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: 20130821 Termination date: 20161204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |