CN101964536B - Charger distributed control system of pure electric automobile and method thereof - Google Patents
Charger distributed control system of pure electric automobile and method thereof Download PDFInfo
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- CN101964536B CN101964536B CN2010102624266A CN201010262426A CN101964536B CN 101964536 B CN101964536 B CN 101964536B CN 2010102624266 A CN2010102624266 A CN 2010102624266A CN 201010262426 A CN201010262426 A CN 201010262426A CN 101964536 B CN101964536 B CN 101964536B
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention relates to a charger distributed control system of a pure electric automobile and a method thereof. The system comprises a rectification control unit, a voltage control and management unit, a data base, a computer and at least two sets of charge control devices. The charge control device comprises charger digital controllers, a charger and a battery pack which are sequentially connected in series. One port of the computer is connected with the data base, and the other port thereof is connected with the charger digital controllers. The computer is connected with the voltage control and management unit, the voltage input end of the voltage control and management unit is connected with the rectification control unit, and the voltage output end is connected with each charger digital controller. The system collects the battery pack information through the charger digital controllers, and sends the data of the whole control system to the computer controller and the power supply department timely and accurately through the data base. The system can realize the dynamic charging management according to the changes of the current and the voltage of the power supply line, and provide charging for the battery packs of 48 to 256 pure electric automobiles, thereby enhancing the efficiency of the whole control system.
Description
Technical field
The present invention relates to the electric vehicle charging electrical domain, particularly relate to a kind of distributed control system of pure electric vehicle charger and method.
Background technology
Automobile give human life bring convenient comfortable in, consumed too a large amount of petroleum resources, discharging waste gas, manufacturing noise, natural ecological environment and mankind itself's health have also been brought the negative effect that can't avoid.At present, along with countries in the world to the control of motor vehicle emission, the growing interest of energy problem, cleaning, environmental protection, energy-conservation electric automobile have become the focus of world car developing industry.At present restriction ev industry development mainly contains two aspects: the one, and battery itself, the 2nd, charging modes.Electric automobile battery charger is as the necessary means of battery charging, and its performance quality and complex process degree direct influence are to the useful life of battery and the popularization of electric automobile.But present charger control system adopts the structure of independent control more, can't reasonably be that the battery pack of a plurality of battery pack or cluster be charged, thereby causes the inefficiency of whole system.
Summary of the invention
Technical problem to be solved by this invention provides a kind of distributed control system of pure electric vehicle charger and method, can realize the Charge Management of dynamic cluster formula, has improved the efficient of whole control system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of distributed control system of pure electric vehicle charger is provided, comprises rectification control unit, voltage control administrative unit, database, computer and at least two group battery charge controllers; Described battery charge controller comprises charger digitial controller, charger and the battery pack of successively series connection; Described computer one end links to each other with described database, and the other end links to each other with charger digitial controller in the described battery charge controller; Described computer links to each other with the signal input part of described voltage control administrative unit; The voltage input end of described voltage control administrative unit links to each other with described rectification control unit, and voltage output end links to each other with described each charger digitial controller.
Described database is used for collecting the data of whole control system, and sends computer control personnel and power supply department to by internet.
Described computer control personnel are according to the variation of electric current and the voltage of supply line, carry out dynamic Charge Management, first the battery pack of 3-6 pure electric automobile is charged, after electric current to be charged descends, again the battery pack of an other 3-6 pure electric automobile is charged, finish successively the charging of whole pure electric automobile battery pack, whole control procedure is according to the algorithm that puts into operation of rated power largest optimization.
Described Distributed Control System provides the batteries charging of 48-256 pure electric automobile.
Described rectification control unit is used for changing the alternating voltage of 10000-100000 volt into 200800 volts DC bus-bar voltage.
Described charger digitial controller comprises data acquisition unit, data transmission unit, calculating electric weight unit, regulates measurement control unit; Described calculating electric weight unit links to each other with described data acquisition unit, data transmission unit and adjusting measurement control unit respectively.
Described data acquisition unit is by the voltage and current information in the wired or wireless transmission means collection battery.
Described wire transmission mode is RS232 communication or RS485 communication or CAN optical-fibre communications.
Described wireless transmission method is bluetooth communication, and its communication distance is 20 ~ 50 meters.
The technical solution adopted for the present invention to solve the technical problems is: also provide a kind of pure electric vehicle charger collecting and distributing control method, may further comprise the steps:
(1) utilize the charger digitial controller to gather the voltage and current information of each battery in the battery pack;
(2) the charger digitial controller is crossed network with the information exchange that collects and is uploaded to computer;
(3) computer is uploaded to database with the information of receiving, database is crossed internet with this information exchange and is transferred to computer operator and power supply department, the computer operator processes the data of receiving according to the electric current of supply line and the variation of voltage, and result fed back to computer, computer sends the order of output regulation voltage to the voltage control administrative unit according to the result that receives;
(4) the voltage control administrative unit receiving computer order of sending, and provide the charger digitial controller of voltage to carry voltage to needs;
(5) the charger digitial controller sends the instruction of output voltage electric current to charger after receiving conveying voltage, is then charged to battery pack by the charger power section.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art, have following advantage and good effect: make the data of whole control system can send timely and accurately computer control personnel and power supply department to by database, variation according to electric current and the voltage of supply line, carry out the optimization Charge Management of dynamic cluster formula, whole charging process strictly is limited to the allowed band of network load, the batteries charging of 48-256 pure electric automobile can be provided simultaneously, greatly improve the efficient of whole control system.
Description of drawings
Fig. 1 is system block diagram of the present invention;
Fig. 2 is the structured flowchart of charger digitial controller among the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
The first execution mode of the present invention relates to a kind of distributed control system of pure electric vehicle charger, as shown in Figure 1, comprises rectification control unit, voltage control administrative unit, database, computer and at least two group battery charge controllers; Described battery charge controller comprises charger digitial controller, charger and the battery pack of successively series connection; Described computer one end links to each other with described database, and the other end links to each other with charger digitial controller in the described battery charge controller; Described computer links to each other with the signal input part of described voltage control administrative unit; The voltage input end of described voltage control administrative unit links to each other with described rectification control unit, and voltage output end links to each other with described charger digitial controller.Described rectification control unit is used for the alternating voltage of 10000-100000 volt is changed into the DC bus-bar voltage of 200-800 volt.
Database is used for collecting the data of whole control system, and sends computer control personnel and power supply department to by the Internet.The data of whole system comprise the information of each battery pack, and the information such as the electric current in the supply line and voltage.The computer control personnel process according to the electric current of supply line and the variation of voltage, and result (namely the battery pack of which pure electric automobile being charged) fed back to computer, carry voltage by computer control voltage control administrative unit to each charger digitial controller of needs power supply again.Such as, after computer operator's start-up system, system is according to the electric current of the supply line of receiving and the information of voltage and each battery pack, determine first the battery pack of 3-6 pure electric automobile to be charged, electric current to be charged charges to the battery pack of an other 3-6 pure electric automobile after descending again, finishes successively the charging of whole pure electric automobile battery pack, whole control procedure is according to the algorithm that puts into operation of rated power largest optimization, thus the optimization Charge Management of realization dynamic cluster formula.Generally, native system can charge to 48-128 battery pack simultaneously, if just can charge to 48-256 battery pack simultaneously increase enlargement module in the voltage control administrative unit after.
As shown in Figure 2, described charger digitial controller comprises data acquisition unit, data transmission unit, calculating electric weight unit, regulates measurement control unit; Described calculating electric weight unit links to each other with described data acquisition unit, data transmission unit and adjusting measurement control unit respectively.
The second execution mode of the present invention relates to the collecting and distributing control method of a kind of pure electric vehicle charger, may further comprise the steps: (1) utilizes the charger digitial controller to gather the voltage and current information of each battery in the battery pack; (2) the charger digitial controller is crossed network with the information exchange that collects and is uploaded to computer; (3) computer is uploaded to database with the information of receiving, database is crossed internet with this information exchange and is transferred to computer operator and power supply department, the computer operator processes the data of receiving according to the electric current of supply line and the variation of voltage, and result fed back to computer, computer sends the order of output regulation voltage to the voltage control administrative unit according to the result that receives; (4) the voltage control administrative unit receiving computer order of sending, and provide the charger digitial controller of voltage to carry voltage to needs; (5) the charger digitial controller sends the instruction of output voltage electric current to charger after receiving conveying voltage, is then charged to battery pack by the charger power section.Wherein, in described step (5) the charger digitial controller to battery pack in the electric weight of each battery carry out balance.It is implemented as follows:
When electric automobile with after charger links to each other, data acquisition unit in the charger digitial controller gathers the voltage and current information of each battery of battery pack in the electric automobile by wired or wireless transmission means, then by calculating the dump energy of electric weight unit according to each battery in the voltage and current information calculations battery pack that collects, by data transmission unit information is uploaded to computer again, computer is sent to database by network with information after receiving this information, database is crossed internet transmission to computer operator and power supply department with the information exchange of receiving, the computer operator processes according to the situation of electric current in the supply line and voltage, the information (this information comprises provides voltage to which charger digitial controller) of finishing dealing with is fed back to computer, and computer is then given an order to the voltage control administrative unit and is made it provide the charger digitial controller of voltage to carry voltage to needs.The voltage that the charger digitial controller receives is the direct voltage by the output of rectification control unit.Charger digitial controller control charger charges to battery pack, meanwhile the measurement control unit in the charger digitial controller is regulated electric current according to the electric weight in each battery in the battery pack, and the electric weight difference in each battery is remained in certain scope (namely the electric weight of each battery in the battery pack being carried out balance).Wherein, the used wire transmission mode of data acquisition unit can be RS232 communication or RS485 communication or CAN optical-fibre communications; Used wireless transmission method is bluetooth communication, because bluetooth communication is high band, is difficult for being interfered, and its communication distance is 20-50 rice, is fit to very much short-range transfer of data.In whole charging process, can be first to 3-6 pure electric automobile battery pack charge (this 3-6 pure electric automobile can be that the car that second day uses the earliest also can be the car that entered the earliest charging station the same day), after the charging current to these battery pack descends, again the battery pack of an other 3-6 pure electric automobile is charged, and so forth, until the batteries charging of all pure electric automobiles is complete, whole control procedure is according to the algorithm that puts into operation of rated power largest optimization.
Be not difficult to find, the present invention makes the data of whole control system can send timely and accurately computer control personnel and power supply department to by database, variation according to electric current and the voltage of supply line, carry out the optimization Charge Management of dynamic cluster formula, the batteries charging of 48-256 pure electric automobile can be provided simultaneously, greatly improve the efficient of whole control system.
Claims (9)
1. a distributed control system of pure electric vehicle charger comprises rectification control unit and voltage control administrative unit, it is characterized in that, described control system also comprises database, computer and at least two group battery charge controllers; Described battery charge controller comprises charger digitial controller, charger and the battery pack of successively series connection; Described computer one end links to each other with described database, and the other end links to each other with charger digitial controller in the described battery charge controller; Described computer links to each other with the signal input part of described voltage control administrative unit; The voltage input end of described voltage control administrative unit links to each other with described rectification control unit, and voltage output end links to each other with described each charger digitial controller; Described charger digitial controller comprises data acquisition unit, data transmission unit, calculating electric weight unit, regulates measurement control unit; Described calculating electric weight unit links to each other with described data acquisition unit, data transmission unit and adjusting measurement control unit respectively.
2. distributed control system of pure electric vehicle charger according to claim 1 is characterized in that, described database is used for collecting the data of whole control system, and sends computer control personnel and power supply department to by internet.
3. distributed control system of pure electric vehicle charger according to claim 2, it is characterized in that, described computer control personnel are according to the variation of electric current and the voltage of supply line, carry out dynamic Charge Management, first the battery pack of 3-6 pure electric automobile is charged, electric current to be charged charges to the battery pack of an other 3-6 pure electric automobile after descending again, finishes successively the charging of whole pure electric automobile battery pack.
4. distributed control system of pure electric vehicle charger according to claim 1 is characterized in that, described Distributed Control System provides the batteries charging of 48-256 pure electric automobile.
5. distributed control system of pure electric vehicle charger according to claim 1 is characterized in that, described rectification control unit is used for the alternating voltage of 10000-100000 volt is changed into the DC bus-bar voltage of 200-800 volt.
6. distributed control system of pure electric vehicle charger according to claim 1 is characterized in that, described data acquisition unit is by the voltage and current information in the wired or wireless transmission means collection battery.
7. distributed control system of pure electric vehicle charger according to claim 6 is characterized in that, described wire transmission mode is RS232 communication or RS485 communication or CAN optical-fibre communications.
8. distributed control system of pure electric vehicle charger according to claim 6 is characterized in that, described wireless transmission method is bluetooth communication, and its communication distance is 20 ~ 50 meters.
9. the collecting and distributing control method of pure electric vehicle charger is characterized in that, may further comprise the steps:
(1) utilize the charger digitial controller to gather the voltage and current information of each battery in the battery pack;
(2) the charger digitial controller is crossed network with the information exchange that collects and is uploaded to computer;
(3) computer is uploaded to database with the information of receiving, database is crossed internet with this information exchange and is transferred to computer operator and power supply department, the computer operator processes the data of receiving according to the electric current of supply line and the variation of voltage, and result fed back to computer, computer sends the order of output regulation voltage to the voltage control administrative unit according to the result that receives;
(4) the voltage control administrative unit receiving computer order of sending, and provide the charger digitial controller of voltage to carry voltage to needs;
(5) the charger digitial controller sends the instruction of output voltage electric current to charger after receiving conveying voltage, is then charged to battery pack by the charger power section.
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| CN103872712B (en) * | 2012-12-13 | 2017-06-09 | 西门子公司 | Control guiding device, charging socket, charging equipment of electric automobile and system |
| CN106033904B (en) * | 2015-03-20 | 2017-10-10 | 深圳奥特迅电力设备股份有限公司 | The charging method of matrix form flexibility charging heap and dynamically distributes power |
| CN108268020A (en) * | 2018-02-27 | 2018-07-10 | 上海瑞华(集团)有限公司 | A kind of pure electric vehicle ship Distributed Control System device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201341031Y (en) * | 2008-12-30 | 2009-11-04 | 北京凯源新能科技有限公司 | Intelligent charging network system of electric automobile |
| CN201345393Y (en) * | 2008-11-25 | 2009-11-11 | 北京市电力公司 | Battery monitoring system used in electric automobile battery charger |
| CN201839048U (en) * | 2010-08-25 | 2011-05-18 | 上海瑞华(集团)有限公司 | Distributed control system of pure electric vehicle charger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201345393Y (en) * | 2008-11-25 | 2009-11-11 | 北京市电力公司 | Battery monitoring system used in electric automobile battery charger |
| CN201341031Y (en) * | 2008-12-30 | 2009-11-04 | 北京凯源新能科技有限公司 | Intelligent charging network system of electric automobile |
| CN201839048U (en) * | 2010-08-25 | 2011-05-18 | 上海瑞华(集团)有限公司 | Distributed control system of pure electric vehicle charger |
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Effective date of registration: 20211119 Address after: 201800 358 Kefu Road, Jiading District, Shanghai_ Area E, 1st floor, building 4, 368 Patentee after: Shanghai Ruixuan New Energy Technology Co.,Ltd. Address before: 200335 No. 8, Canton Road, Shanghai, Changning District Patentee before: SHANGHAI LINKONG RUIHUA ELECTRIC Co.,Ltd. |